Allplan Bim Compendium (eng) 2016 12 [619893]
BIM COMPENDIUM
THEORY AND PRACTICE
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Allplan
BIM Compendium
Theory and Practice
based on the official IFC4 release
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3rd updated and extended edition, December 2016
Product management: Robert Bäck
Authors: Anke Niedermaier, Robert Bäck
Document no. 171eng01s38 -3-BM1216
BIM Compendium Contents i
Contents
The BIM Compendium ……………………………………………………….. 1
Some notes on the third edition ……………………………………………………………. 2
Who are we? …………………………………………………………………………………………….. 3
What is BIM? ……………………………………………………………………………………………. 4
Terms …………………………………………………………………………………………………………. 5
BIMmodeling …………………………………………………………………………………………………. 5
BIM XD …………………………………………………………………………………………………………… 7
AEC …………………………………………………………………………………………………………………. 8
Building structure …………………………………………………………………………………………. 8
IFC …………………………………………………………………………………………………………………… 9
IFC subset ………………………………………………………………………………………………………. 9
IFC version ……………………………………………………………………………………………………. 13
CityGML ……………………………………………………………………………………………………….. 14
gbXML ………………………………………………………………………………………………………….. 14
MVD ……………………………………………………………………………………………………………… 15
IDM ……………………………………………………………………………………………………………….. 15
STEP ………………………………………………………………………………………………………………. 15
XML ………………………………………………………………………………………………………………. 17
IFCClass/ObjectType …………………………………………………………………………………….. 17
PSet ………………………………………………………………………………………………………………. 18
Base quantities ……………………………………………………………………………………………. 18
LoD ……………………………………………………………………………………………………………….. 18
LoI …………………………………………………………………………………………………………………. 20
BRep ……………………………………………………………………………………………………………… 20
Swept Solid ………………………………………………………………………………………………….. 20
UUID or GUID ………………………………………………………………………………………………. 21
BCF ……………………………………………………………………………………………………………….. 21
IAI …………………………………………………………………………………………………………………. 22
buildingSMART ……………………………………………………………………………………………. 22
History ……………………………………………………………………………………………………. 23
Why BIM? ………………………………………………………………………………………………. 29
The BIM model …………………………………………………………………………………………….. 30
IFC format ……………………………………………………………………………………………………. 30
ii Contents Allplan
IFC specifications………………………………………………………………………………………… 31
File preview …………………………………………………………………………………………………. 31
Import ………………………………………………………………………………………………………….. 32
Layers …………………………………………………………………………………………………………… 32
Attributes ……………………………………………………………………………………………………. 33
The BIM Process ……………………………………………………………….. 35
What is behind BIM? …………………………………………………………………………….. 38
Implementing BIM ………………………………………………………………………………… 40
Summary ………………………………………………………………………………………………… 44
Big BIM and Little BIM …………………………………………………………………………. 45
How BIM benefits your daily work …………………………………………………………… 45
BIM and Allplan ……………………………………………………………….. 49
Support …………………………………………………………………………………………………… 53
BIM in Practice …………………………………………………………………. 55
Before getting started on the project ………………………………………………… 57
Creating the model ……………………………………………………………………………….. 58
The building structure ……………………………………………………………………………….. 60
The plane model …………………………………………………………………………………………. 70
Layers in Allplan …………………………………………………………………………………………. 86
Working with line styles and area styles ………………………………………………… 100
The IFCObjectType …………………………………………………………………………………….. 109
Attributes and properties ………………………………………………………………………… 119
Attribute mapping ……………………………………………………………………………………. 131
Elements and attributes ……………………………………………………………………… 135
Unfinished structure ………………………………………………………………………………… 135
Finish ………………………………………………………………………………………………………….. 152
MEP ……………………………………………………………………………………………………………. 165
All-purpose elements ……………………………………………………………………………….. 167
Rooms ………………………………………………………………………………………………………… 168
Attributes of the hierarchic levels ………………………………………………………….. 171
The Objects palette …………………………………………………………………………………… 176
BIM Compendium Contents iii
Export from Allplan …………………………………………………………………………….. 182
Export to IFC ……………………………………………………………………………………………… 184
Export to bim+ …………………………………………………………………………………………. 189
Checking data ……………………………………………………………………………………… 194
IFC viewer ………………………………………………………………………………………………….. 196
bim+ platform ………………………………………………………………………………………….. 196
Communication a nd collaboration on BIM projects ……………………….. 197
IFC and BCF – the languages of BIM ………………………………………………………. 198
BIM-compliant communication in Allplan …………………………………………….. 203
Import to Allplan …………………………………………………………………………………. 211
Importing ………………………………………………………………………………………………….. 212
Updating the model ……………………………………………………………………………. 217
Comparing data ………………………………………………………………………………………… 218
Modifying data …………………………………………………………………………………………. 222
FAQs on IFC and BIM …………………………………………………….. 225
Exchanging plans ………………………………………………………………………………… 226
You cannot exchange IFC data ………………………………………………………….. 226
You cannot open IFC files …………………………………………………………………… 227
You cannot export components correctly ……………………………………….. 227
The project only has a fileset structure ……………………………………………. 228
You cannot transfer all drawing files ……………………………………………….. 229
You cannot select the 'Export IFC Data' tool …………………………………… 230
Appendix I – Check Lists ……………………………………………….. 231
Check list I: Situation at your office …………………………………………………. 232
Check list II: Data exchange and formats ………………………………………… 235
Check list III: Building structure ………………………………………………………… 238
Check list IV: Plane model and component heights ……………………….. 241
Check list V: Layers and format definitions ……………………………………… 244
Check list VI: Line styles, area styles …………………………………………………. 246
Check list VII: Object attributes, attribute favorites ……………………….. 249
Check list VIII: Export options ……………………………………………………………. 251
iv Contents Allplan
Appendix II – Attributes ………………………………………………… 253
Object numbers of components ………………………………………………………… 254
Overview of attributes and PSets ……………………………………………………… 256
Base Quantities (geometri c attributes) …………………………………………………… 256
PSet Common (general element properties) …………………………………………. 259
Additional PSet (special element properties) …………………………………………. 267
Additional attributes (additional element properties) ………………………….. 272
All Allplan attributes and IFC attributes …………………………………………… 276
Attributes for the building topology ……………………………………………………… 276
Attributes for the unfinished structure ………………………………………………….. 280
Attributes for fin ish elements …………………………………………………………………. 292
Attributes for engineering ………………………………………………………………………. 308
Attributes for IFCObjectTypes …………………………………………………………………. 311
Index ……………………………………………………………………………….. 313
BIM Compendium The BIM Compendium 1
The BIM Compendium
The BIM compendium is designed for anyone who wants
to learn more about BIM. Being very complex, BIM
challenges you to study its tools and methods. Th is is
necessary to achieve the best possible results when it
comes to communication and collaboration.
Today, you can find a multitude of documents and publications dealing with BIM. However, these
documents either focus on the theoretical aspects of BIM
or refer to a particular software program. As the basic idea of BIM is open collaboration across programs and
disciplines, the BIM compendium is designed to close the
gap between theory and practice.
Therefore, this book has two parts:
The first part cove rs BIM in general, explaining its
underlying ideas and methods. In addition to discussing misunderstandings and doubts, the first part also looks at the opportunities and advantages of
BIM. Under the motto of "all you need to know about
BIM", this part pro vides the theoretical background
you need for implementing BIM in your daily work.
The second part shows how to use BIM in practice. Based on a
“real project ”, you will work through the
tasks step by step, learning how and to what extent you can use BIM th roughout the project cycle. The
motto of "holistic thinking
” does not necessarily mean
that the whole project must be geared to the BIM approach; sometimes it makes sense to apply BIM to
particular project phases only.
2 Some notes on the third edition Allplan
Some notes on the third edition
Const ructive collaboration is essential for planning and executing
construction projects. The more diverse the software used and the
more people involved, the greater the effect of collaboration and
communication. And this applies whether or not BIM is used.
As IFC4 is increasingly being accepted as the official standard, the
BCF format, which was developed in parallel, is becoming more and
more important even though the BCF format is still a mystery to
many people. Therefore, this new edition dedicates a whol e chapter
to the topic of ‘Communication and collaboration on BIM projects ‘
(see page 197), explaining the tools, workflows and processes in
detail. In particular, this chapter deals w ith BCF and its associated
tasks and topics on the part of Allplan.
Furthermore, this new edition comes with two new topics: IFC now
includes the sectors of urban planning and infrastructure, which are
also covered in this compendium. In addition, using th e IFC interface
in Allplan, you can control how to transfer attributes during export
for the first time. This option is also covered in this new edition.
BIM Compendium The BIM Compendium 3
Who are we?
A paradigm shift from pure 2D drafting to object- oriented 3D
building modeling has been taking place ever since the introduction
of CAD for computer- aided drawings. In particular, this development
started in the early eighties. Since then it has been reinforced by increasingly powerful applications. As a pioneer, Professor Georg
Nemetschek has always played a decisive role in the development of
BIM.
Today, the construction industry is characterized by rapid technical development and by increasingly complex and global projects. In
this context, the topic of data exchange is becoming more and mor e
important. What’ s more, topics such as Building Information
Modeling (BIM) and openBIM have become the standard when it
comes to handling projects and combining all relevant information
in a central building model.
4 What is BIM ? Allplan
What is BIM?
BIM (Building Information Modeling) is the digital working method
for the construction industry, creating additional benefit, as humans,
processes and tools interact throughout the full life cycle of a
building. Thus, a building project gains in transparency, quality, cost
certain ty and time certainty.
Building projects are increasingly complex. Many people are
involved in a building project, such as professional planners, project
controllers and investors. On the one hand, this is due to rapid
technical development, internationalization and ever higher
requirements of buildings. On the other hand, urban planning and
infrastructure planning pose new challenges. Just think of the
situation in large cities: Living space becomes scarce; there is more
and more traffic; protection of the environment gains in importance.
All in all, new concepts are required urgently. Due to this
complexity, processes and people have been forced to specialize in
particular fields of the construction industry.
BIM renders communication and collaboration tra nsparent. Based on
a digital building model – the BIM model – BIM makes it possible to
virtually display all processes of a building throughout its full life
cycle. By providing meaningful simulations, BIM helps you make
decisions, enabling you to optimize processes right from the start.
BIM Compendium The BIM Compendium 5
Terms
If you have ever exchanged 3D data and building models, you have
certainly heard of the terms IFC and BIM. But what exactly do these
terms mean? And what about PropertySet or the abbreviation IAI?
Some terms are clearly defined, whereas others are ambiguous. As a
result, almost everybody understands something else, which is not
very helpful in exchanging complex data and information. In
addition, there are many abbreviations (IDM, STEP …) from which
the actual meaning cannot be deduced easily. So that you know
what you are talking about, this chapter explains the most important
terms about BIM, helping you to communicate clearly.
BIMmodeling
The abbreviation BIM, which stands for B uilding Information
Modeling, is used in different contexts nowadays. It describes the
process of creating and maintaining a virtual, three -dimensional
building on the basis of a digital data model. This building is the central object of Building Information M odeling, in short, the BIM
model.
The model is a kind of database including all graphic, geometric and alphanumeric parameters and characteristic values of a building or
project. These data are available to all those involved in a project.
All new features , changes and further developments are integrated
into this model. By entering data graphically and geometrically, you
create and change components and (architectural) elements. In
addition, you can give these objects additional information in the
form of properties and attributes.
You can use the database itself and the BIM model well beyond the initial phases of planning and construction, reaping the benefits of
BIM throughout the life cycle of the building. And if it is time to
demolish and dispose of th e building, the BIM model even helps you
do this quickly and easily.
The basic structure of the BIM model is created by the architect ’s
planning. Over the course of the project, the BIM model constantly
evolves. All those involved in the project add, change and adjust
data and objects of any kind:
6 Terms Allplan
• Architecture
• Structural analysis
• MEP / building services
• Contractor, production
• Facility management
Information ranges from materials, costs and quantities to structural
analyses (such as compressive strength and bending deflection) or
MEP characteristics (such as flow velocity or required number of air
changes) to access control and maintenance intervals relevant to
facility management.
On the one hand , the BIM model includes the physical components
and elements that can be modeled geometrically (such as walls, slabs
and reinforcement), HVAC elements and other equipment (such as
conduits, switches, control modules, sanitary objects and so on). On
the ot her hand, the BIM model also includes virtual areas and
volumes in the form of rooms and room groups, which are required
BIM Compendium The BIM Compendium 7
for operating, maintaining and managing the building. In addition,
the project structure itself is part of the model. It is included in the
form of a hierarchical tree structure.
After completion the model can still be used as the database for the building in use and (new) information can be added and analyzed
using data sheets.
Ideally, the BIM model grows together – although not simulta neously
– with the actual construction project. Finally, it represents a virtual
building model that is identical to the actual building. Although the
BIM model exists only virtually, it includes all pieces of information
on the actual building.
Provided i t is constantly maintained and updated, the BIM model is
an exact copy of the actual building, providing all those involved with the information and data they need at any time.
BIM XD
BIM is not only about the three known dimensions – length , width
and height – but also about 4D, 5D or even 6D. In the meantime, we
have reached 7D; the eighth dimension is in planning.
In addition to the common three dimensions (X, Y and Z), BIM 4D
features the time factor. This means that all model elements are
assigned to actions defined in a time schedule. This way, you can
visualize the chronological sequence of the building process and the
progress in the model.
BIM 5D includes not only the time factor but also the cost factor.
Here, the model elements form the basis for quantities, which are
then priced. This way, you can visualize and thus check the building
costs in accordance with the building process.
In BIM 6D , the model elements are given information resulting from
their actual production. In other words, this information turns a
virtual component into a real component. As a result, the 6D model
with its objects represents the actual, built state of the building.
BIM 7D finally takes into account the building in use. The model
elements are given additio nal information about their use and
maintenance. Here, too, everything can be handled using the
building model.
8 Terms Allplan
AEC
You will often hear the abbreviation AEC, which stands for
Architecture, Engineering and Construction. People frequently use it
as a synonym for CAD, referring to CAD programs simply as AEC
software. In its entirety, AEC describes all topics, data or objects that
are commonly used in the construction industry. So AEC can refer to
both real parts of a building (such as walls, slabs or columns) and
virtual data (such as rooms, formwork or reinforcement). Being used
collectively by the entire construction industry, AEC usually stands
for "concerning building and real estate". Today, you can even hear
the abbreviation AECO . The letter O stands for operation,
representing the use and maintenance of a building, including
facility management.
Building structure
The building structure is one of the two options Allplan provides for
structuring and mana ging drawing files and documents. It has been
available since Allplan 2006. You can use the building structure on
its own or in parallel with the fileset structure. Reflecting the
structure of a real building, the building structure has structural
levels t hat are arranged hierarchically. You can assign documents
and drawing files to these levels.
The building structure can be associated with a plane model, which
defines the heights of the real building. You can then assign planes
from this model to the structural levels, thus defining the heights of
the building parts.
A building structure is essential for exchanging data via the IFC
interface. Otherwise, the program cannot create the IFC file.
BIM Compendium The BIM Compendium 9
IFC
The abbreviation IFC stands for Industry Founda tion Classes. IFC is a
neutral, open file format you can use to describe and exchange data
relevant to the construction industry and facility management. What
you exchange is a digital building model. The structure and
properties of this model are specifie d precisely by the IAI.
The IFC format is certified by ISO and registered as ISO/PAS 16739.
IFC4 is the first format to be a separate ISO standard.
The advantage of a neutral data format is that problems that may occur when data are exchanged and converte d to a different format
can be reduced to a minimum. In addition, all those involved in a
project can choose the software they need. The only requirement is
that the software has an IFC interface.
Architects usually work with CAD programs and layout softwa re,
whereas structural engineers need software for calculating loads and
forces and analyzing moment curvature. Quantity takeoff and cost
calculations require costing software and programs for tendering,
awarding and invoicing. Scheduling is also an import ant aspect.
When it comes to execution planning, it is a question of machines
and CNC that analyze and implement the modeled geometry. Finally,
there are CAFM programs and associated databases, which are used
to manage and maintain buildings and real estat e.
The IFC format includes all these details: The geometric data form
the virtual model; the alphanumeric data are the attributes,
descriptions and properties, describing the elements in this model.
IFC subset
When IFC -format data are e xchanged as a BIM model, the IFC
interface normally transfers all information it finds in the model. However, all these data are not required by all project participants.
Depending on the persons involved and the project phase, different
pieces of informat ion are important to different persons. What's
more, most programs cannot even read and analyze data they do not need. Therefore, you can extract individual subgroups – called
subsets – from the complete data package. These subsets contain
reduced and filt ered information for particular applications,
optimizing data exchange. Using subsets, you can thus reduce the volume of data while speeding up processing times.
10 Terms Allplan
At the moment, there are three subgroups for IFC2x3 and four
subgroups for IFC4. The subgroup that is best suited to your needs
depends on the type of data you want to exchange. The following
subgroups are available:
IFC CoordinationView
IFC4 ReferenceView
IFC4 Design TransferView
IFC StructuralAnalysisView
IFC FMHandOverView
Like the IFC format, the subsets themselves have version names
referring to a particular IFC version.
BIM Compendium The BIM Compendium 11
IFC CoordinationView
Coordination View or in short CV (2.0 is the current version for
IFC2x3) is the most common subgroup. CV includes all components
and architectural elements as 3D solids with their characteristic
values and attributes. As CV is the largest and most extensive subset,
it is often considered to be equivalent to IFC. In addition t o the
project structure, IFC CoordinationView includes and supports
architectural components and MEP components, such as walls,
columns, downstand beams, pipes, ducts and switches.
During trans fer, all elements get a unique ID. In addition, you can
give the elements an unlimited number of additional pieces of
information. The elements are always displayed in relation to the
other elements and structures that are subordinate and superordinate
to them.
In addition to architects and MEP planners, engineers also use this
IFC subgroup for creating precast elements, general arrangement
drawings and reinforcement drawings.
IFC4 replaced CoordinationView with ReferenceView and
DesignTransferView.
12 Terms Allplan
IFC DesignTransferView, IFC ReferenceView
IFC4 replaced Coordination View with Reference View and Design
Transfer View, which are further developments of Coordination
View. Reference View is useful for tr ansferring models whose
elements should not be edited further.
Design Transfer View, on the other hand, is useful for modifying the
element geometry after import. The general edit options you have do
not depend on the view. Instead, the edit tools that ar e actually
available to you vary depending on the CAD program you use. In addition, neither view is suitable to exchange data in both directions.
Instead, you can only transfer data in one direction at any one time.
IFC StructuralAnalysisView
IFC StructuralAnalysisView is a separate subgroup for structural
design. The way it describes and displays the elements is completely
different from that used by IFC CoordinationView.
IFC StructuralAnalysisView includes support conditions, static loads,
dynamic loads, load factors and so on. For example, in this view, a
downstand beam made of wood is not a geometric, architectural
component with information on the material a nd a predefined cross –
section. Instead, it is a member with specific support conditions
engineers can use to calculate loads and characteristic values, such
as cross- section and material quality.
BIM Compendium The BIM Compendium 13
IFC FMHandOverView
Facility man agement and real estate management usually rely on
databases without graphical information.
In order to get data for CAFM programs ( Computer Aided Facility
Management), you can derive relevant values as a separate subgroup
from the model. In addition to the spatial structure, this subset
includes equipment objects as worksheets and data records.
IFC version
Like file formats of any software program, the IFC format has been
changed, re vised and updated extensively over the years. Initially,
the whole structure of the IFC format changed with each new
version. Today, the focus is on correcting errors, adding new
elements and defining additional properties for existing elements.
Since the release of the first formats (IFC1.5 and IFC2.0), there have
been a number of X versions, which have been released regularly.
These X versions are largely compatible. At the moment, IFC4 is the
latest version.
14 Terms Allplan
CityGML
The CityGML format w as developed as BIM was opening up to new
disciplines and planning areas. This format is an application of
Geography Markup Language, in short GML. GML is a markup
language, a term that originates from the printing industry. Using
this language, you can no t only structure and format texts and
objects but also add information ("marking up" a manuscript).
CityGML is used to describe and exchange virtual 3D models of cities. It includes classes, definitions and descriptions for all common
objects in urban plan ning and regional planning, such as, water,
roads, vegetation or buildings. Each object is described with its
geometry and position. In addition, the description defines how the object looks and interacts with other objects.
Like IFC and the IFC library wi th IFCObjectTypes common in
building construction, CityGML covers urban planning and regional planning.
gbXML
Green Building XML is another file format for exchanging 3D
models and building data. Although gbXML is an independent
format, it c an be compared to a particular view or an IFC subset.
gbXML is mainly used to transfer files including energetic and
ecological information about a building and its components. Using appropriate software, you can calculate and simulate energy
consumption, thus giving estimates on the future energy costs of a
building.
These calculation programs often have no IFC interface; instead, they have a gbXML interface. Here, too, the basis is an element library
with more than 500 types and attributes. During convers ion, the
CAD data are assigned to these types and attributes.
BIM Compendium The BIM Compendium 15
MVD
In addition to the term IFC subset, you can find the abbreviation
MVD, which stands for M odelViewDefinition. A view is identical to a
subset, standing for a particular selection of elements or data
records, which are taken from the complete model. In other words,
you define what is transferred. However, the structural engineer sees
a column in a different light than the architect: The structural
engineer sees the column as a vert ical element for transferring
vertical loads. For the architect, on the other hand, the column is a
three-dimensional component with a particular material and surface
finish. Therefore, ViewDefintion defines not only which elements are
transferred but also how elements are transferred. In other words,
which form and which information elements get for transfer.
IDM
Information Delivery Manual (IDM ) describes the view definitions
and subset definitions of the IFC format. Each subset has its own
manual, describing how this subset is exchanged. In other words, the
manual describes the subset in more detail, defining who has to
provide which information and when.
STEP
The structures of the IFC format are based on the ST andard for the
Exchange of P roduct Model Data (STEP). STEP is part of ISO 10303.
It is not primarily a file format. Rather, it is a standard defining the structure of files you can use to transfer geometric elements.
In other words, STEP describes the elements and architect ural
components of the building model both physically and functionally .
This description includes geometric values (= base quantities) and inherent properties (= property sets, PSets) of elements. In addition, it
defines how elements interact with other objects.
16 Terms Allplan
STEP also defines the life cycle of the objects. By interacting with
other components, the objects and thus their properties and
attributes can change.
Like IFC subsets, STEP is divided into subgr oups for specific
applications and tasks. Here, these subgroups are referred to as
application protocols. Subgroup 225 "Structural Building Elements
Using Explicit Shape Representation" is particularly important for
the construction industry and thus for B IM and IFC.
EXPRESS is the data modeling language and programming language
behind STEP and IFC. With EXPRESS, developers create objects with
their properties and attributes. These objects can correlate and
interact.
BIM Compendium The BIM Compendium 17
XML
XML is short for E Xtensible Markup Language, which is an all-
purpose, platform -independent programming language that is
common in the IT industry and software industry. As an alternative
to EXPRESS, you can use this "extensible markup language" for data
modeling. XML includes t ools not only for creating and describing
objects with their properties and relations but also for transferring
these objects to specific exchange formats. Although this language
can be used universally, files in XML format are often very large,
thus takin g up much disk space.
XML files are pure text files, which you can open, read and edit
using a normal text editor. With regard to BIM, the ifcXML format is
most commonly used. However, there are numerous other subtypes
of XML files.
IFCClass/ObjectType
All standard elements commonly used in architecture, MEP,
structural analysis, facility management and other sectors in the
construction industry are defined as types in IFC. These types can be
combined into classes. Each type is e quivalent to a specific IFC
library element to which the associated object is assigned during data exchange. The types in this library grow with each new IFC
version. An element must have particular properties so that it can be
assigned to the appropriate IFC library element. When you create a
column or room using the associated Allplan tool, the program
automatically assigns the appropriate object type and class to the
column or room.
Using the IFCObjectType attribute, you can change the class later.
This is useful if you want to transfer an architectural element as a
different component. For example, if you want to transfer a column as a wall. In addition, you can assign an IFCObjectType to 3D objects
and user -defined architectural elements in order to tra nsfer them as
predefined elements.
18 Terms Allplan
PSet
Depending on information density and purpose, each element can be
given any attributes and properties. Some of these features are
defined as minimum requirements for transferring elements in
accordance with IFC. These basic features are combined in Property
Sets (PSet). Each element that can be transferred via IFC has its own,
general property package (Pset_WallCommon, Pset_DoorCommon
and so on). The number of attributes in these packages can differ.
Some components – in particular finish elements, such as doors,
windows and rooms – have additional predefined attribute groups
including glass properties or manufacturer information. With this grouping, you can break down the attribute set into smaller
structures, so that you can clearly see which components have which
attributes.
Base quantities
In Allplan , each element is defined by its geometry. This definition
includes the dimensions of the element and its position in the
coordinate system, which defines the position of the element in the
building model. You can enter the dimensions of the element in its
properties dialog box. Although these dimensions are also attributes
of the element, you cannot change these attributes in the pro perties
dialog box.
Unlike normal attributes, geometric data are not fixed values. On the
contrary, the program recalculates these values whenever you select
the element so that you can immediately see what has changed. Take
a wall, for example. To identify and display the element, the program
requires the height, length and thickness. In addition, the program
calculates the attribute values from these data, combining these
values in the basic geometry attribute package (base quantities) in
the IFC file.
LoD
Level of Detail or L evel of Development describes the level of detail
or the level of development of the components and the overall
model. The level can vary depending on the project phase and the
requirements. LoD, which is usually specifi ed in a project handling
plan, is based on the definitions laid down by the AIA (American
Institute of Architecture). The AIA classifies the levels from 100 to
500, with 100 having the least information content and 500 having
BIM Compendium The BIM Compendium 19
the highest information content of the model or object in question.
In practice, the five main levels can be named as follows:
conceptual , approximate geometry, precise geometry , fabrication
and as-built.
• Conceptual (100): The element may be graphically represented in
the model with a symbol or other generic representation;
information related to the element can be derived from other
elements in the model.
• Approximate geometry (200): The element is graphically
represented within the model as a generic system or object with
approximate quantities, size, shape, location and orientation.
Non-graphic information may also be attached to the element.
• Precise geometry (300): The element is graphically represented
within the model as a s pecific system or object in terms of
quantity, size, shape, location and orientation. Non -graphic
information may also be attached to the element.
• Fabrication (400): The element is graphically represented within
the model as a specific system or object in terms of size, shape,
location, quantity and orientation with detailing, fabrication,
assembly and installation information. Non -graphic information
may also be attached to the element.
• As-built (500): The element is a field verified representation in
terms of size, shape, location, quantity and orientation. Non –
graphic information may also be attached to the elements.
LoD, that is to say, Level of Detail is also commonly used in urban
planning and thus in CItyGML. Here, too, LoD describes the level of
detail; however, the focus is on the geometry. Urban planning uses
levels 0 to 4 . This way, you can classify digital urban models by
scale or precision.
• LOD 0 : (supra)regional terrain model
• LOD 1 : block model; building as a simple object
• LOD 2 : 3D model of bui lding including roof shape
• LOD 3 : architectural model of building with textures and surfaces
• LOD 4 : architectural model with stories and interior structures
20 Terms Allplan
LoI
Information content or L evel of Information ( LoI) is closely
connected with the l evel of detail of models and their components.
Therefore, people often use these two terms synonymously. However,
LoI focuses on alphanumeric data whereas LoD focuses on
representing the geometry. So you can also achieve a high level of
information by atta ching a hyperlink or a product data sheet of the
manufacturer. Moreover, LoI is not equally important to all
disciplines and project participants. So it makes sense to customize
the information to suit the needs of the recipient.
BRep
When it comes to describing the geometry of a closed volume solid,
you can choose between two options. B oundary Representation or
BRep is one of them. This method describes the solid as volume
bounded by its surfaces. BRep can also be applied to surface models.
The advantage of BRep is that it can be used to model and describe
any solid, regardless of its shape and complexity. The only
requirement is that the surfaces actually form a closed solid and the
edges match.
Swept Solid
Swept Solid is another option you can use to describe a volume
solid. The term 'sweep' indicates the method: A profile and a path
form the basis. Using this method, you create the solid by
"sweeping" the profile (any sur face) along the path (a curve) in 3D
space. While doing so, you can change the profile by turning or
distorting it.
BIM Compendium The BIM Compendium 21
The descriptions of solids created in this way do not take up much
disk space. However, you cannot use this method to create solids of
any shape. This method is primarily used to export standard
components like walls or columns to IFC. You must use a swept solid
to describe the shape of an object if its IFC type includes the addition
StandardCase .
UUID or GUID
These two terms – Universally Unique Identifier ( UUID) or Globally
Unique Identifier ( GUID) – have more or less the same meaning.
GUID is a Microsoft -specific implementation of UUID. IFC and BIM
also tend to use GUID. One of its subtypes is IFC ID. This universal
and thus unique ID number has 32 characters, which are subdivided
into 5 blocks and assigned to each object in a database. This results
in countless combinations, making sure each number is unique.
Therefore, this ID number can be used to identify an object within the structure.
As opposed to other object IDs, a Unique Identifier does not give any
information on the type or properties of the object identified. It is a
random number that is not based on parameters.
BCF
The BIM Collaboration Format ( BCF) is a completely new format
within IFC. IFC4 is the first version to include this new format. With
BCF, you can mark changes within a model and provide others with
information thereon. So, i n a first step, you can exchange only these
data and not the entire model. You can then adjust and use only the
elements in question. Unlike IFC objects, these elements are not
elements with geometric and alphanumeric properties but coded
messages.
22 Terms Allplan
Acting as a kind of virtual notepad, these messages are used by
software programs to exchange information on objects. So one
program can inform the other program about changes in objects or
other problems. Each BCF file is linked via the universal IFC ID with
the object in question, making sure the assignment is unique.
IAI
The International Alliance for Interoperability (IAI ) was founded by
leading software providers in 1994. Its aim is to develop an open and
platform -independent data model that can be used to map the entire
life cycle of a building. By defining specifications for the data
structure, this international organization focuses on integrating as
many applications as possible.
The IAI was initially founded as the Industry Alliance for
Interoperability. Right from the start, it was open to all interested
parties. In 1997 it was renamed International Alliance for
Interoperability. In 2005 it was renamed again. Since then it has
been called buildingSMART.
buildingSMART
buildingSMART International , formerly the International Alliance
for Interoperability (IAI), is an alliance of organizations with regional
chapters all over the world. In Germany, it is represented by the
buildingSMART e.V. association.
Its goal has not ch anged – it is still dedicated to improving processes
within the construction and facility management industries through defining the use and sharing of information. Organizations within
the alliance include architects, engineers, contractors, building
owne rs, facility managers, manufacturers, software vendors,
information providers, government agencies, research laboratories,
universities and more.
Allplan GmbH, which has been a pioneer in this alliance right from
the start, strongly focuses on improving a nd developing open
program interfaces and formats.
BIM Compendium The BIM Compendiu m 23
History
Whereas mankind has constructed and used buildings since earliest
times, people started documenting the relevant information not so
long ago.
At the beginning, people passed informa tion by word of mouth. In
particular, this was common in medieval construction. The master
builder knew everything about the building, acting as a human "data
carrier". Written records did practically not exist. So information was
lost when the person in c harge died or left the building site.
However, master builders were highly respected persons.
The first building drawings passed down to us are from the end of
the Middle Ages. These drawings include sections on parchment and
sections scratched into the st one floors of Gothic cathedrals. From
then on parchment or paper served as the "data carrier", making it
possible for the first time in history to document, store and reuse
these drawings.
These sections on parchment were the prototypes of modern drawings. Even today, paper drawings are widely used, in particular
on construction sites. Drawings have primarily changed in two
points over time:
• The type and form of the tools used to create these drawings, the material of the drawings and the form of the data c arrier
• The number and contents of the drawings and the degree of
abstraction
Although the development and rise of the computer fundamentally
revolutionized office routine, this had little effect on the construction
industry at first. When documenting build ings and information in
the form of plans and drawings, computers initially changed only the way these documents were created.
24 History Allplan
Starting with mechanical engineering and automotive engineering,
the first CAD systems came onto the market in the early eightie s.
Consequently, drawings were no longer created on the drawing
board. Instead, the computer was used to generate the necessary
building documents, such as floor plans, sections, elevations and
details. However, all these documents were still two- dimension al line
drawings. The computer mouse replaced the pencil as the drawing tool and a more or less program -specific file replaced paper as the
data carrier.
Even at this early stage, there were first steps towards object-
oriented, three -dimensional building models, making the most of
computers and software. Although three -dimensional building
modeling has become the standard for documenting building
processes, it has still not gained full acceptance to this day.
BIM Compendium The BIM Compendium 25
Whereas drawings, plans and other documents can be exchanged
easily in paper form, digital and program -specific files cannot be
exchanged so easily, in particular, if the persons involved do no t
work with the same software programs. As each program has its own
rules and specifications, it can happen that data are not read
correctly or not read at all.
By converting data to a different format, you always run the risk of changing the data. Due to the great variety of programs and formats,
it is impossible to transfer data one -to-one. Information may be lost
or it may be wrong afterwards. In order to minimize this risk, optimize the flow of information and provide as large a bandwidth
of programs as possible, some of the leading software providers for
the construction industry formed an alliance in the middle of the Nineties.
Their aim was to use existing standards to develop a neutral and
open file format for describing and exchanging data, elements and
processes of the construction industry and real estate industry.
26 History Allplan
Until then PDF had been the only relatively neutral format. However,
its structure and contents are more like paper or a digital printout.
The advantages of the PDF format are that it displays the original
drawing elements as they are and that you can display it on any
computer using the free Adobe Reader®. But when it comes to
exchanging complex data, the PDF format has some big
disadvantages:
Once created, you can no longer change the PDF file. What's more,
not every program can import PDF files or interpret their contents
correctly. But the fundamental weakness is that any information
other than pure 2D graphics is lost when the PDF file is created.
Basically, the PDF file is a paper d rawing in digital form. So PDF
serves the purpose for which it was developed, but it falls short of
the alliance's aim.
In addition to PDF, the AutoCAD -based DXF format has been used
for exchanging CAD data. However, DXF is not a neutral format and
it is also geared to exchange 2D data. With DXF, you can exchange
normal design entities, 3D shapes and additional information as
attributes. However, this is limited to the AutoCAD form and
description. In order to ensure that (CAD) software correctly transfers
and interprets DXF data, you need a program that is based on this
standard.
The IFC format, on the other hand, is based on STEP. This is an open
and software -neutral standard. The IFC format, which was developed
by IAI, describes elements and processes wit h all their properties. In
addition, this format describes how elements look in 3D and how they interact. Another important aspect is that STEP focuses on the
construction industry with its specific requirements. Therefore, IFC
objects include walls, reinf orcing bars and room groups. But they do
not include pistons and ball bearings, which are commonly found in mechanical engineering and automotive engineering. So you find the
objects and processes you actually need.
The first IFC version – IFC1.5.1 – came on the market at the end of
the Nineties. It was a kind of prototype, but the more stable version 2.0 replaced it shortly afterwards. The structures of these two
versions are completely different from those of all subsequent
versions. Therefore, they are not compatible with any subsequent
version.
This changed with the first X release: Since then each new version has built on and thus expanded the previous one, thus ensuring
compatibility with the previous versions. From 2000 to this day,
there have been f our X versions:
BIM Compendium The BIM Compendium 27
• IFC2x
• IFC2x2
• IFC2x3
• IFC2x4
Although IFC2x3 is still the most commonly used release, its
successor 2×4 – with the name IFC4 – is now the official standard.
Apart from improving features and correcting errors, buildingSMART
focuses on adding new objects and functions, opening up new
applications. Not only members of the alliance but also any (CAD)
user has the right to suggest new elements or improvements in
general. buildingSMART is alway s open to new ideas and
suggestions.
With regard to the German Government ’s initiative for planning and
executing public construction projects (digital road map 4.0), IFC4 first introduced the areas of urban planning and infrastructure,
coming with new types for common objects. In addition, the topics
of environment and sustainability were not ignored either: the
objects can be given an additional property package with
information on their ecological footprint, that is to say, information
on resources that are consumed during production.
In addition to the "main version", each release comes with a text file and a compressed format. Whereas the STEP- based main format
includes the geometric model, the text file provides a 2D description
28 History Allplan
in the form of an XML s cript. Thus, it has the extension *.ifcXML .
You can open this text file in any text editor. It can even be read by
programs that do not have an IFC interface.
You can convert both the IFC file and the IFC -XML file to a
compressed file in *.ifcZIP format, thus considerably reducing the
file size. In order to open the file again, you can use any file
archiver.
BIM Compendium The BIM Compendium 29
Why BIM?
There are numerous opinions about BIM itself and how to use BIM in
projects. As result, people are often unsure about BIM or reject it
altogether, not knowing how to deal with this topic.
There are the following two reasons for this behavior:
• On the one hand, people fear that they have to spend much time
and effort creating an d maintaining the building model, resulting
in extra costs they cannot charge anybody.
• On the other hand, people are afraid that they have to give up their usual way of working, being forced to redefine all office standards, resources and defaults, also in volving much time and
extra costs.
Although these concerns are not completely unreasonable, switching
to BIM has far less impact on office routine than most people
assume. Of course, you have to spend some time rethinking building
data so that you can crea te building models in an optimal way. In
addition, the employees in your office have to be trained in the BIM method. This is particularly true when they have not yet worked in
3D.
In any case, switching to BIM is always a worthwhile and future –
oriented in vestment. A database that is universally available,
functional and up -to-date can not only prevent many
misunderstandings and errors during planning but also speed up
project work on the whole.
The following section briefly describes the most important FAQ s on
BIM and IFC. These FAQs are described in detail later. Here, we just want to do away with some misunderstandings right from the start,
helping you to quickly get a realistic view of BIM and its effects on
planning.
30 Why BIM? Allplan
The BIM model
Everybody is talking about BIM, BIM models and BIM -compliant
software. What is it all about? And what does the abbreviation
BIM mean and is Allplan BIM -compliant?
The abbreviation BIM stands for B uilding Information Modeling,
which roughly means "modeling the data of a building ”. BIM
describes the process and method of creating a central building data
model that includes all data, characteristic values and attributes
relevant to planning, designing, constructing and maintaining the
building. The virtual model of the building created in this manner is
referred to as the BIM model.
There is no actual BIM -compliant label in the form of a certification
for a software program. Each CAD program you can use to create a
data model of this kind is BIM -compliant. Only t he IFC interfaces for
data exchange are certified.
Allplan has supported this development since the eighties even
though Allplan 2008 was the first version to actually include BIM.
As Allplan has always focused on creating and analyzing a 3D
model, Allplan is BIM -compliant in every respect. Of course, Allplan
comes with certified interfaces.
IFC format
What is the IFC format? Are there different types? Can my
planning partner read all these types?
IFC or Industry Foundation Classes is a s pecial file format for
describing and transferring information relevant to the construction
industry and facility management. This is done by means of a digital
building model, whose structure and properties are predefined by the
*.ifc format.
IFC offers t he following formats: IFC2x2, IFC2x3, IFC4 and IFC –
XML. Although IFC2x3 is still commonly used, IFC4 is the official
standard right now. Allplan 2017 is the first version to provide this
format for data export. IFC -XML, on the other hand, does not
provide model data but returns the associated descriptions in text
form, which you can read using any common editor. Therefore, this
format is useful for exchanging partial information. An IFC -XML file
is larger than a pure IFC file.
You should use the IFC2x3 and IFC4 formats. Each CAD program
with an IFC interface should be able to read one of these two
formats.
BIM Compendium The BIM Compendium 31
IFC specifications
Which software or provider is responsible for IFC and who defines
its specifications?
IFC is an open and ne utral format, that is to say, it is independent of
any program and provider. An international consortium defines the
specifications and standards describing how to create building
models and how to structure data. Launched in 1994, the IFC
alliance was fou nded by a group of leading software providers. Right
from the outset, it was open to all interested parties. Today, it also includes government agencies, research laboratories, universities as
well as groups and private persons. Founded as International
Alliance for Interoperability (IAI), the consortium was renamed
buildingSMART International in 2005. The specifications defined by
IAI and buildingSMART have become a standard by now. They are
certified by ISO and registered as ISO/PAS 16739.
Being an active member of the buildingSMART alliance, Allplan
GmbH not only helps improve and develop the IFC interface but also takes part in the certification process.
File preview
How can I display IFC files? Do I need a specific CAD program or
can I get a preview of these files prior to importing them to
Allplan?
Being an open format, an IFC file can be read by any CAD program
provided it has an IFC interface. Basically, you import IFC data,
which means that the data are read and converted to the program –
specific format. As a result, you can then edit the information as if it
was initially created by this program.
To display the file, you can choose from numerous IFC Viewers, which are mostly available as freeware. Using these viewers, you can
move around and explore the 3D model interactively, as well as
retrieving information on elements in this model. You can even
convert the data to other formats. However, this feature is not
provided by all viewers.
You can also use bim+ , the Allplan solution f or interdisciplinary
teamwork. bim+ comes with an integrated viewer. Using bim+, you can upload IFC files from anywhere, combine them with other
models, give them additional information and attach data. Allplan is
directly connected with bim+. You can find more information on
32 Why BIM? Allplan
how to use bim+ in a separate guide, showing you how to use bim+
in conjunction with IFC data and Allplan data.
As opposed to the DWG interface, the IFC interface in Allplan does
not provide an integrated preview. You can use a viewer to access
the relevant information. After having created an IFC file, you can
use this viewer to visually check the data and the properties and
attributes before you distribute the file.
Import
I have received IFC -format files. How can I imp ort these files to
Allplan? Can I specify where and how the file contents are saved?
You can import the data to an existing project. You can also create a
new project and import the data to this new project. In order to
import the data, select the File menu – Import or Create –
Interfaces –
Import IFC Data. You can also drag the file directly
into the workspace.
In any case, the drawing file that is currently open is irrelevant: You
always specify the f irst drawing file for import in a separate dialog
box. Starting with this drawing file, Allplan arranges the elements in
the IFC file on empty drawing files in ascending order. As Allplan
always uses only empty drawing files, you do not run the risk of
overwriting data.
The data structure is defined by the file itself, so you cannot change
the data structure during import. Therefore, you do not need to
define any specific import settings. However, you can specify which
elements you want to import. In additi on, you can use the "Copy,
Move Elements between Documents" tool to refine the data structure
after import. For example, you can arrange the data by component.
Layers
What is the role of layers in IFC?
In Allplan and other CAD programs, lay ers provide an additional
means of applying a structure to elements, in particular when it
comes to defining visibility, format properties and privileges. Unlike
other CAD programs, Allplan does not store data in layers. In
Allplan, the actual data creatio n process happens in drawing files.
A layer is a format property, such as the color or line type, and a
layer is transferred in this form to IFC. In the IFC file, layers are
displayed as general element properties and can be shown or hidden.
BIM Compendium The BIM Compendium 33
Layers are par ticularly important if you work with programs that do
not provide any other means of applying a structure.
The term layer in an IFC file refers to the construction layer of a
component, such as a multi -layer wall.
Attributes
Which compone nt attributes and element properties will be
transferred? Can I also transfer user- defined attributes and
attributes that are not in the IFC attribute group?
Each transferable architectural element created in three dimensions
in Allplan will be transferred with all its properties that are required
to identify this element in IFC. These properties include the
geometry, position and general properties, such as the object type
and name.
Using attributes, you can assign any other information that is
relevant to the element. These attributes will be transferred together
with the element. To assign attributes in Allplan , you can use the
Object Manager module with the
Assign, Modify Object
Attributes and
Assign Attributes to Elements tools.
The group from which you take the attributes is irrelevant. You can
also use user -defined attributes. Allplan always transfers all
attributes that are assigned a nd that have values.
The entries in the IFC attribute group are used for structural
analyses, building physics, fire protection or for describing the
element in general. Therefore, these entries are defined as minimum
requirements in the IFC specifications .
When it comes to transferring data, the group to which an attribute belongs is irrelevant. It is the internally coded assignment that
defines whether an attribute is transferred as an IFC attribute or as
an Allplan attribute. You can find detailed inform ation about
attributes and assignments in ‘Elements and attributes ‘ (see page
135) and in the tables in the appendix.
Allplan 2017 is the first version to let you control how to transf er
and assign attributes during IFC export. However, this should be done by experienced Allplan users with in- depth program knowledge
only, as this requires the user to create an assignment file with a text
editor. You can find detailed information in ‘Attribute
mapping ‘ (see
page 131).
34 Allplan
BIM Compendium The BIM Process 35
The BIM Process
What is BIM? And what is BIM not? There are many
different, in part opposing views and opinions. What's
more, people often use the terms BIM and IFC
synonymously. Although being closely related, these two
terms are completely different. By no means is BIM a
new invention. On the contrary, its ideas and underlying
philosophy are quite old.
However, BIM has become more an d more important in
recent years. Today it is an ever -present topic,
particularly in building construction.
Apart from a number of other factors, some specific developments mainly account for this trend:
The increasingly complex construction cycle –
accom panied by more and more rules and regulations
– has split the planning process into a number of small
parts, forcing the people involved to specialize in specific fields. You can find this phenomenon not only
in the construction industry but everywhere. As a
result, it has become increasingly important how
people communicate and exchange information. In the
end, this often decides whether a project is successful
or not.
Internationalization is another phenomenon, involving
all industries throughout the world. Here, too, it is essential that people communicate and exchange
information. This will only work if they create a
common database everybody can access at any time.
36 Allplan
When computers and CAD found their way into office
life, building professionals switched from drawing
lines and points to modeling structures. Thanks to powerful computers and a large variety of programs, people can nowadays use and analyze data in myriad
ways. For example, a building model created as the
basis for planning can also be used t o simulate energy
consumption (provided you enter appropriate
parameters). But this will only work with a common database that can be processed by the different
programs.
So communication involves both people and programs.
This trend will not only continue but also accelerate
considerably. Construction -related fields, such as
landscaping and urban planning, have also been integrated into BIM. In addition, more and more
countries include BIM in their specifications and
regulations. In the US or Scandinavia, for example, BIM
is an integral part of public contracts. Although the situation is still different in Germany, BIM has become
increasingly popular in recent years, prompting the
government to draft some bills.
BIM Compendium The BIM Process 37
The following pages show you what is behind BIM. In
addition, you will discover the ideal way to plan and
handle your projects using BIM.
With this knowledge, you will be in a position to adjust
your own workflow and office routine to BIM.
38 What is behind BIM? Allplan
What i s behind BIM?
Only if all project participants speak the same language and have
access to the same data will they be able to communicate effectively
and make the right decisions. In addition, information must always
be up to da te and available to everybody. Otherwise, there will be
misunderstandings. This is exactly where BIM starts. Actually, BIM
comprises several aspects:
• Data type
• Data creation
• Data exchange
buildingSMART defines detailed specifications for each of these
aspects. In order to provide a database that can be used by any
software, the BIM model uses an open file format, which is based on
a predefined standard of given elements with a uniform structure:
• IFC, the Industry Foundation Classes
However, IFC is not a cha racter format. Instead, IFC focuses on
objects and their shapes, parameters and attributes. In addition, it describes how these objects interact and fit in the overall context.
This format is based on the ISO standard STEP, specifying how the
structure of files must look if geometric elements are transferred with
these files. In addition, these files must be able to describe any
changes during the life cycle of these elements.
The IFC language includes all objects in the form of a component
library of prede fined elements. Apart from its name, each object has
a list of possible parameters, properties and functions. This list also
describes how this object interacts with other objects. Being the same
for all objects, the advantage of this scheme is that new el ements can
be added to the library quickly and easily.
Take a column, for example. Its object name in the library is
IFCColumn , regardless of its name in the different CAD programs.
The most important parameters are the column's geometric values,
such as i ts height and cross -section. You can find a list with its
functions and properties in the Property Set. For the Column object,
the Property Set includes the name, column type, static load
capacity, inclination, fire resistance and an identifier indicating
whether the column is inside or outside a building. If you want to
know how the column interacts with other objects, you can look at
recesses, connected components, reinforcement, technical building
equipment and so on.
BIM Compendium The BIM Process 39
The contents of the PSets change with the object types and their
complexity. However, architectural elements are an exception, as
most of their general properties are included in IFC objects.
Therefore, you can find these properties in nearly every PSet:
• Object type ("Reference")
• Alteration category ("Status")
• Load capacity ("LoadBearing")
• Inside, outside ("IsExternal")
• Fire resistance ("FireRating")
• Sound insulation ("AcousticRating")
These properties are combined in the general propert y package . In
addition, there can be any number of additional properties in the
form of attributes.
40 Implementing BIM Allplan
Implementing BIM
Regardless of whether working with or without BIM, planners start
each project by assessing and compiling informa tion and looking
over the parameters and boundary conditions given. This results in
an initial database, forming the basis for all subsequent steps. In the
first step, the architect usually plans and designs the building,
creating drawings, sketches, layou ts and three -dimensional models.
Ideally, BIM starts at the same time and continues until the project
ends.
The planner combines the key data into a three -dimensional virtual
data model, forming the prototype of the BIM model. This model is
identical to th e real building. From now on, this model is at the
center of all processes. Creating, maintaining and updating this data
model is the actual BIM process, that is to say, the modeling of
building data. However, this covers only one aspect of BIM, that is to
say, data creation.
Planners create the geometric outlines of all objects and elements in
the model using a CAD program. After this, the objects and elements
BIM Compendium The BIM Process 41
are given additional information. This for ms an initial database,
which is identical to the building and which can serve as the basis
for all subsequent steps.
So that all project participants can access and work with this
database, as well as using the information therein, it must meet the
follow ing requirements: the database must be in a form that can be
read by the software program used and it must be a uniform, program -independent data package that is available to everyone.
So the next step is to convert the model to this form, which means
exporting it to IFC format via the corresponding interface. In doing
so, the program assigns each object – that is, each building block of
the model – to the appropriate library element within the IFC
definition and writes the object- specific information to th e list of
characteristic values and parameters. In other words, each object
becomes a database sheet with a uniform structure.
As a result, everybody who works with the database knows exactly
which object he or she is dealing with, avoiding misunderstandin gs
right from the start.
42 Implementing BIM Allplan
During planning the database grows with the project, as all those
involved not only add new objects or components but also change
existing ones. In doing so, they create new library elements or fill
the columns of existing database sheets with values. As a result, the
entire model builds up building block by building block. By
interacting with one another, the objects change and produce
information, which is also written to the database sheets.
However, project participants cannot edit the IFC model itself, as the
IFC format and the IFC platform do not provide tools for
manipulating objects directly. What ’s more, the IFC programm ing
language is not suited to this task either. Instead, each project
participant can use his or her own familiar software program,
provided it has an IFC interface. This is the basic requirement for
translating objects from the BIM model into the program -internal
format and writing them back after editing. When you import an IFC file, the program transfers and assigns the IFC library elements in
this file to its program -internal objects, tools and functions.
BIM Compendium The BIM Process 43
Planners do not need to transfer the entire mode l or all the
components of an object if they want to edit only some parts.
Instead, they can use IFCSubsets or ModelViewDefinitions (MVD) to
filter and transfer exactly the elements and parameters they actually
need. During import, these objects are transl ated into the program –
specific "language" for editing. For example, the structural engineer
uses a structural analysis program to calculate cross -sections for
reinforcing bars. The engineer in charge of technical building
services uses a separate program t o place heating lines and
ventilation lines. And last but not least, the quantity surveyor
assigns cost keys to components using a program for tendering,
awarding and invoicing.
As on site, everybody can speak the language that is specific to his
or her ow n field and use the vocabulary he or she is familiar with,
making internal processes faster and more efficient. The standardized format is used only for external communication and communication
between different groups, ensuring that special terms and
expressions, which might be ambiguous, are not used. Otherwise,
misunderstandings and planning errors are inevitable, resulting in
delays and higher costs.
After editing, planners write the up- to-date objects back to the BIM
model, thus integrating them into the database that is available to all project participants. In other words, the program converts the
modified objects back to the IFC format using the export interface.
Provided all those involved continuously synchronize their office
documents with the BIM model, the virtual BIM model is an identical
copy of the real building throughout the whole project.
Instead of editing the whole model, planners usually have to change only some objects or areas. In practice, markers indicating changes
have been proven t o be useful. In addition to communicating
changes in the traditional way by email, telephone or fax, planners
can mark changes or problems directly in the software program.
In order to do this, they can use a kind of “ virtual notepad ” – the
BIMCollaboratio nFormat (BCF). It can be attached to any IFC object
within the model. In addition to acting as a note, it also tells
planners who created it and when. Instead of exchanging the whole
model, planners can exchange these notes in a first step. After this,
they can change and adjust only the objects in question. However,
this is not done in the BCF file, which can contain only instructions
and proposed changes. Instead, planners change and adjust the
relevant objects manually using their familiar software progr ams.
44 Summary Allplan
These virtual notes not only help project participants to collaborate
closely and efficiently but also to reduce the volume of data and
thus the time it takes to upload and download the data. You can find
detailed information on the BCF format and how to use it in
‘Communication and collaboration on BIM projects ‘ (see page 197).
Ideally, the BIM model is complete at the same time as the real
building is complete. So both the buildi ng and the database can
enter the second phase, that is, utilization. Basically, this is done by facility managers using CAFM programs for managing buildings and
real estate. Facility managers can use the data to derive specific key
figures and values, suc h as the number of windows that must be
cleaned or the total office area within a block of buildings. At the
same time, they can continue to model building data by adding more
attributes and information to the objects of the BIM model.
As you can see, the BIM model helps all those involved. For
example, research facilities can use the BIM model to create energy simulations. Above all, it is the client or owner who benefits most
from the BIM model, as he or she can access the building data at any
time. For e xample, if it is time to renovate parts of the building, the
owner can quickly and easily derive all necessary values from the
model. And finally, when it comes to demolishing a building, the
BIM model provides everything an owner needs – from quantity
values to material types to constituent parts required for disposal.
Summary
As you can see, BIM is much more than just creating a 3D building
model with the aid of CAD software and attaching information and
attributes to the objects and components within th is model.
Furthermore, BIM is not limited to planning and construction, that
is, the work typically done by architects. Rather, BIM encompasses
the full life cycle of a building.
You can also see that switching to BIM does not require you to
purchase any new or additional software programs or more powerful
computers. In fact, if all those involved rethink how they work and
communicate, the tools on hand can be used effectively and
efficiently in Building Information Modeling.
BIM Compendium The BIM Process 45
Big BIM and Little BIM
How BIM benefits your daily work
As you all know, opinions about the meaning of the term BIM differ
widely; its ideas and underlying philosophy are interpreted
differently. Similarly, you can find diverse approaches to
implementing BIM in practice. Apart from worrying about the effort
and costs involved, people weigh up the opportunities and risks of
this new method of working. In addition, they want to know how
and to what extent this new method can be integrated into office
routine.
Basically, BIM adds to planning and the building process as a whole,
thus boosting efficiency over the long term. However, the attitude of
those involved is not the only thing that matters. There are a number
of conditions controlling how and to what extent BIM can be applied
to a project. There is neither a universal rule of thumb nor a general
formula for predicting the degree of utilization that will be achieved
in the end.
Although both Allplan and BIM are based on the motto of "holistic
thinking", this does not necessarily mean that the whole project must
be geared to the BIM approach. Sometimes it makes sense to apply
BIM to particular project phases only. You must take this decision
whenever you start a new project, as this decision depends on a
number of factors, such as the software used. In addition, you need
to think about whether you are dealing with complex tasks or
whether and how you are working together with external partners.
In the end, it is up to you to decide whether you want to embr ace the
BIM philosophy and its underlying ideas and methods. Anyway, it is a future -oriented investment in your own knowledge. The more BIM
is practiced and implemented, the greater the benefit to all those
involved and the more natural it becomes in offic e routine. One day
it will be taken as a matter of course much in the same way as computer -aided design replaced the conventional drafting board
some time ago.
46 Big BIM and Little BIM Allplan
Once you have decided to use BIM in your office, there are a number
of possible scenarios:
• The client requires you to provide a BIM model and to handle the
project in a BIM -compliant manner. These points are integral
parts of the contract. This is already the case in the US and Scandinavia. In Germany, too, more and more public contracts
include BIM .
• There is an external project controller instructing all those
involved to use a BIM model as the basis for planning.
• The parties involved agree to use BIM for the whole project or
some phases or areas.
If all those involved agree to use BIM, this agreeme nt should be
drawn up in writing at the beginning of the project.
Like collaboration and data exchange in general, BIM will only be
successful if all those involved embrace it and communicate openly.
As you can see, BIM also encourages communication.
Benef it
If BIM is an integral part of the contract, you do not need to think
about the benefit. But if the decision is up to the project participants,
they will only opt for BIM if they can see the additional benefit.
There are still a great man y doubts and worries. In the early project
phases in particular, the effort involved in BIM seems to be much
more than in conventional project handling.
That's right. However, the effort involved also depends on your general office routine and whether you work together with external
partners. But you will enjoy the benefits as the project expands. In
the end, the benefit is far greater than the initial effort involved.
If you regularly work together with other offices, the topics of data
exchange and suitab le data and documents play an important role.
Basically, the volume and quality of these data define how much all those involved benefit from BIM. The more detailed the information,
the easier it is to analyze and edit the data. Ideally, it should be
possible to exchange data one -to-one. Even though this is not yet
possible, each piece of information that can be transferred and each
object that can be exchanged saves everybody much time and effort.
If this is the way you work, you are used to working with defined
structures and specifications, allowing you to save information as
uniform and up -to-date as possible to files and thus to a building
model – even without BIM.
BIM Compendium The BIM Process 47
As you can see, even if you do not focus on BIM, an approach
geared to efficient data exc hange helps you tap the full potential of
CAD and building -specific software for planning. This also applies if
you use the data only within your own office. If you build up your building model right from the start and consistently add all pieces of
inform ation, changes and new components, you always work with
up-to-date data, which you can use in many different ways. In
addition, you do not run the risk of working with different or
obsolete documents, nor do you have to create the data for each
phase from scratch. In the end, this brings about additional benefit which more than compensates for the additional work at the
beginning.
BIM is not limited to planning. Rather, BIM encompasses the full life
cycle of a building, resulting in a great deal of options for using and
analyzing the data of the building model. Although the client and
facility managers benefit most from these options, you – as a planner
– can also benefit greatly from these models and databases:
48 Big BIM and Little BIM Allplan
• You can use them as templates and documents for other projects
that are similar or that use similar components. Based on these
data, you can then estimate the time and costs using practical
values.
• When it comes to altering or extending the buil ding, you can use
the planning documents as the basis for your work. Consequently, you do not need to adjust obsolete drawings on
site, nor do you need to enter the geometry of the building from
scratch.
• If the BIM model remains the property of the creator – that is to
say, you as the planner – and you also own the copyright, you
can conclude a maintenance contract with the client. In this case, you update the model to reflect any changes in the building,
charging the client separately for this service.
• …
Scope
The manner in which you implement BIM in practice can vary
considerably. In addition, this is influenced by numerous boundary
conditions. For example, you can apply BIM to the whole project
from its beginning to its end, or you can use B IM for particular
project phases or areas. In this context, you will often hear the terms "Big BIM" and "Little BIM". Strictly speaking, only "Big BIM" is real
BIM. This is the only method to reflect the central idea of BIM.
However, it is not always possi ble to implement "Big BIM" without
restrictions. For example, some project participants may not have
appropriate software or they want to stick to the conventional way.
Even so, "Little BIM" offers advantages to all those involved. Provided it is implement ed consistently, "Little BIM" allows project
participants to use the data in many different ways. What’ s more,
BIM does not necessarily require project participants to exchange
data or use different software solutions. As you can see, BIM can
also be appli ed within a program or family of programs.
BIM Compendium BIM and Allplan 49
BIM and Allplan
Allplan's data structure and its numerous tools and
objects are tailored to suit the needs of architects and
engineers. Therefore, Allplan provides the ideal platform
for cr eating, editing and maintaining a BIM model as
well as handling projects in accordance with the BIM
concept:
Almost all elements you can find in the Allplan
component library have counterparts in the IFC library, such as walls, columns, stairs, rooms and so on. If you
create drawings and projects using architectural
components as usual, Allplan automatically assigns these
components to the appropriate IFCObjectType during
export. Allplan transfers all parameters and properties,
including interactions with a djacent components. You do
not need to define anything separately.
In addition to the data generated automatically, you can attach any number of properties to the components
usingAllplan
’s attribute catalog. As a result, you can
provide your planning partn ers with everything they
need to know about a component. Allplan transfers all
attached values as attributes.
50 Big BIM and Little BIM Allplan
In order to structure the data within Allplan , you use a
building structure and drawing files, which you can
assign to the structural levels in the hierarchy. This data
structure is in compliance with the requirements the IFC
format places on the structure.
BIM Compendium BIM and Allplan 51
Acting as an open platform, Allplan has supported the
IFC version and numerous ot her file types for a long
time. Allplan's IFC interface is certified and quality –
assured, guaranteeing smooth data exchange at all times.
The Allplan product family – encompassing Allplan
Architecture, bim+, Allplan Engineering, Allplan Allfa,
Allplan IBD, Nevaris and various directly connected
applications, such as the programs for structural analyses
or precast elements – allows you not only to create the
model but also to edit and analyze it using a single
software solution.
52 Big BIM and Little BIM Allplan
Therefore, you can work with BIM and handle your
projects in a BIM -compliant manner even in parts of
Allplan itself. You do not need to exchange data using
other formats or the IFC interface.
BIM Compendium BIM and Allplan 53
Support
If you want to successfully introduce BIM to office routine, the first
and moist important step is to study the BIM philosophy and its
underlying ideas and methods. The first part of this compendium
helps you do so.
In the second part, you will learn how to use BIM in practice. This
part describes each step in detail, showing you which software
programs can be used and how.
Other important factors are communication, coordination and
collaboration. Apart from in -depth knowledge in your own field, you
require basic knowledge in related fields. In addition, you should be familiar with the topic of data exchange. If you want to take on the
role of the person responsible for BIM in your office or for a project,
you will be the contact person for all employees and project
participants. As you can imagine, this role requires skills of
coordinating and controlling.
With its modular training concept, Allplan GmbH offers you the training you need to be successful. Allplan's training is designed for
both newcomers to BIM and experienced BIM users who want to
deepen their knowledge. In different levels of qualifications which
build on one another, you can have yourself and your employees
certified, thus proving your BIM competence.
The first step is to get the certification of Allplan BIM Modeler . If
you want to do this, you can take part in a 1.5- day seminar at
different locations within the sales region. After having gained in –
depth knowledge, you can demonstrate what you have lea rned at the
end of the seminar by taking a test, which consists of a theoretical part and a practical part. Numerous Allplan users have already
participated in this seminar and successfully passed this test. If you
require any further information, contact your sales partner or visit
our web site.
In addition, you can turn to external BIM consultants for help.
54 Allplan
BIM Compendium BIM in Pract ice 55
BIM in Practice
In the end, it is up to you to decide whether you want to embrace the
BIM philosophy and its underlying ideas and methods. At any rate, it
is a future -oriented investment in your own knowledge that pays.
However, when it comes to introducing BIM to office routine, you
need to consider a number of additional factors, such as the software
used. In addition, you nee d to think about whether you handle
complex projects or whether you work together with external
partners. Moreover, there is more to BIM than simply switching from
pure 2D drafting to 3D building modeling. Rather, BIM is about a completely different approa ch to thinking and doing, requiring a
completely different view of project handling and planning.
So much for theory, but what about practice?
• Project participants enter all the key data of a project or
construction project in digital form, combining the data into a
virtual model.
• They define all the details of a component or object in the form
of parameters or by its geometry. Regardless of the approach, the information must be identical.
• As in a real building, the components and objects in the database
interact, forming a whole. They cannot be regarded separately.
This must be kept in mind when it comes to creating and
maintaining the model.
• Pieces of information and documents are always derived from
this model, which is similar to an extensive project dat abase
including a geometric, three -dimensional representation.
• Throughout the project, the project participants constantly update
and maintain the database by adding new details, changing and
adjusting data.
• The data model with all its components is given to all those
involved in the project. It is essential that the model is in a
neutral format and that it can be accessed by everyone at any
time.
• All those involved communicate via the data model, which reflects the current planning status. Consequently, the model is
an identical copy of the real building.
56 Allplan
• BIM Collaboration Format (BCF) is preferably used for
communication. This format allows projects participants to attach
questions, change proposals or additions to components of the
model.
In this context, you will hear the terms "Big BIM" and "Little BIM",
describing to what extent BIM is used in a project. "Little BIM"
means that the data model is used for some project phases or specific
areas only. This may be necessary if some project participants do not
have appropriate software. Although BIM can be used in this way,
you have to spend more time coordinating and planning the project.
"Big BIM" is the ideal solution if all project participants hav e
embraced the BIM philosophy and agree to use BIM for the whole
project.
Check list I: Situation at your office (see page 232 )
BIM Compendium BIM in Practice 57
Before getting started on the project
Projects are hardly similar in the building industry. Therefore, you
must decide whether and to what extent you can use BIM whenever
you start a new project. There is no one -size-fits-all solution. You
have to consider numerous parameters and components, which may not even be known at the beginning of the project.
As you have learned before, the BIM process should start together
with the project. So you have to take decisions and make
arrangements on which you can build. Like collaboration and data
exchange in general, BIM will only be successful if all those involved
communicate openly and easily. As you can see, communication is
the essential factor.
Basically, there are three possible sce narios for any project:
• The client requires you to provide a BIM model and to handle the
project in a BIM -compliant manner. Here in Germany, more and
more public contracts include BIM. In the US or Scandinavia, for
example, BIM is already an integral part of public contracts.
• An external project controller, who is in charge of the whole project, instructs all those involved to use a BIM model as a central database.
• After having discussed this topic, all those involved decide
whether and how to use BIM for handling the project.
At the beginning of the project, you should draw up a check list as
the basis for collaboration. This check list should include all the
details you have agreed upon, such as the ways you have chosen to
exchange data and to communicate.
If you have not yet worked together with some project participants
(for example, external companies), you should exchange some test
files in advance. This is the only way to detect and remove any
stumbling blocks right from the start, ensuring that everyt hing runs
smoothly after the project has started.
Check list II: Data exchange and formats (see page 235)
58 Creating the model Allplan
Creating the model
After having discussed the imp ortant points with all those involved,
you can start creating the building model in Allplan . The model
should start at an early stage, ideally during preliminary design. The
model will then be expanded, adjusted and completed throughout the
project.
The ar chitecture of the building and thus, the architectural model
you have created usually forms the basis of the BIM process. So this model is at the center of the whole BIM process. Consequently, you
are responsible for managing and maintaining the model, ass uming
the role of the coordinator and controller (provided there is no
(external) project controller).
Apart from working in 3D and using a single model, designing in
and with Allplan is not different from other methods of working.
However, there are some points you must bear in mind, making sure
the
Allplan data meet the specifications and requirements of a BIM
model. Otherwise, you cannot exchange the data using the IFC
interface. The basic rule is that only objects and elements modeled in
3D can be part of the BIM model: Texts, line drawings, dimensions
and so on are not included.
Consequently, if you want to add information to a component or object, you must include this information in the geometry of the
component or object. As an alternative, you can also define an
(additional) attribute and assign it to the component or object. This also applies to values and data you receive from other project
participants, for example, the structural engineer. In addition, the
data structure within the model and th us within the whole project
must be in compliance with IFC and BIM specifications.
To achieve this, you must use a building structure in Allplan .
Moreover, you can use only particular structural levels within this
building structure.
BIM Compendium BIM in Practice 59
Check these rules time and again, making sure you do not have to
spend much time correcting data later.
• Create all elements and components of the building model in 3D
using the corresponding Allplan tools.
• Use a BIM- comp liant building structure for the data. Make sure
the model includes only drawing files of the appropriate
structural levels.
• Define any details and values of the components and objects together with their geometry or use attributes to attach data to
the co mponents and objects.
60 Creating the model Allplan
The building structure
Unlike most other CAD programs, Allplan is a multiple file system,
allowing you to flexibly structure the data using drawing files,
filesets, free NDW documents and so on. However, if you want to
work with BIM and exchange the architectural model as a whole,
you have to stick to BIM specifications, somewhat limiting this
flexibility. A BIM -compliant structure reflects the structure of a real
construction project. Consequently, you can use sites, buildings and
stories for structuring the drawing files. Of course, you can also use
filesets and the fileset structure in parallel.
Start by creating a b asic structure that meets these criteria. You can
create your own structure from scratch, or you can use one of the
templates that come with Allplan and adjust this template to BIM
specifications.
If you use
New Project, Open Project (on the File menu) to create
a new project, Allplan will ask you whether you want to use a
project template for structuring the data. If you select one of the
templates, Allplan will load the associated building structure in to the
new project. You can then use and adjust the building structure. If you want to create your own building structure, just skip this point
and create the project without a structure. You can add a structure
BIM Compendium BIM in Practice 61
afterwards. In any case, you need a building structure as soon as you
want to give the building model to other project participants or
upload it to a (BIM) server.
You must use a building structure for drawing files in a BIM
project!
Apart from the fact that the building structure is required for BIM,
there are three main differences between the building structure and
the fileset structure:
• The building structure is structured hierarchically. It includes superordinate and subordinate levels, reflecting the topology of a
real building. The fileset str ucture, on the other hand, does not
differentiate between structural levels; they are all at the same
level.
• Each drawing file within a project can be assigned to exactly one structural level in the building structure. But a drawing file can
belong to coun tless filesets.
• The building structure can include a plane model defining the
heights of the default planes in the drawing files. Using this plane
model, you can define the heights for all documents assigned to a
structural level. This allows you to work a cross drawing files.
As the building structure reflects the structure of a real building, you can use only structural levels that exist in real buildings in a
building structure that complies with IFC and BIM specifications. In
addition, the structural lev els must be logically and hierarchically
correct: For example, a story cannot include a site, but a site can
include a story.
Using
Open on a Project -Specific Basis (on the File menu), you
can find out whether the structure complies with IFC and BIM specifications. You can also use this tool to create your own
structure in accordance with these specifications.
You can use the following structural levels below the project level:
• Site
• Building
• Story
It is not enough to simply give structural levels these names. You
must use the corresponding tool to create structural levels as such. This is the only way to ensure that they get the correct identifiers for
export.
62 Creating the model Allplan
Creating the building structure
If you do not want to use a template, you can create your own
building structure. To do this, double -click the left mouse button in
an empty area of the workspace. As an alternative, open the File
menu and click
Open on a Project -Specific Basis . Then go to
theBuilding structure tab. Allplan displays a message – the current
project does not have a building structure – and lists the options
you have:
• Use one of the structures that c ome with Allplan and adjust the
structure to the requirements of the project.
• Use the structure of another project, for example, a template in
the office standard.
• Convert a fileset structure to a building structure. Allplan will
convert the filesets to st ructural levels of the same name and
assign the drawing files accordingly.
• Create the building structure using the wizard, which leads you through the process step by step.
• Create the building structure manually.
If you decide to use the wizard or to create the structure manually, you can start defining the building structure immediately afterwards.
Only the left side of the building structure is important for BIM and
exchanging data using IFC. Y ou cannot export the right side (derived
from building structure), regardless of whether this side includes 3D data or not.
BIM Compendium BIM in Practice 63
The Project is the topmost level in any building structure. You
cannot delete this level. Below it, you can insert structural levels
both on the left and one the right. To do this, right- click the project
node and open the Insert structural level shortcut menu.
The next dialog box lists only the structural levels you can assign to
this node, making sure everything is hierarchically correct. Repeat
this step until the basic structure is complete. Use the Site, Building
and Story structural levels. Then go to the right side (derived from
building structure) and insert the Views , Sections , Details and
Reports structural levels with their subfolders below the project
node.
Next, assign drawing files to the structure. This is roughly the same
as moving files in Windows Explorer. Allplan offers you numerous
options to do this; the result is alw ays the same. Make sure you
assign drawing files only to BIM -compliant structural levels (Site ,
Building , Story ).
64 Creating the model Allplan
You can open the Assign drawing files … tool by selecting it on the
shortcut menu or by clicking the corresponding icon. To assign
drawing files, you can enter their numbers or drag them from the list
to the relevant structural levels. Using this approach, you build up
the entire project structure. Of course, you can adjust and change it
at any time.
Modifying the building structure
If you use a building structure from another project or a template
provided by Allplan , you usually have to adjust this structure to the
requirements of your project, which can v ary considerably. Similarly,
a structure may change over the course of a project, so that you have
to adjust it.
Like the building model with its objects and elements, the data
structure in the building structure is not rigid and unchangeable.
You can modi fy and adjust it whenever you need. The procedure is
always the same, regardless of when you change the structure. You
can select all necessary tools on the shortcut menu. In addition, you
can use drag -and-drop operations.
Whereas you are required by BIM s pecifications to use particular
structural levels, you can define their names freely. To do this,
simply click a name or open the shortcut menu and select Rename. You can then change the name proposed by Allplan . You can
rename not only structural levels b ut also the files assigned to these
levels.
BIM Compendium BIM in Practice 65
If you need additional structural levels, select the node to which you
want to add a subordinate level. Then open the shortcut menu, select
Insert structural level and click the structural level you require. If
you have already assigned structural levels of the same type to this
node, Allplan will place the new level so that it is the first in the list.
You can then move it to the required position. Do the same if you
want to rearrange the structural levels in a b uilding structure. If you
want to move or copy structural levels, you can use the shortcut
menu's Cut and Copy tools as you would in any other Windows
application. The Paste behind … and Paste under … tools let you
place the structural levels correctly.
There is an important difference between these two tools:
• Paste behind … places the structural level so that it is at the same
level as the node selected in the building structure.
• Paste under … places the stru ctural level so that it is
hierarchically subordinate to the node selected in the building
structure.
You can also use drag -and-drop operations to rearrange structural
levels within the building structure. All you need to do is keep the
mouse button presse d down and drag the structural levels to the
required positions. If the building structure includes structural levels
you no longer need, you can remove these levels by selecting Delete
on the shortcut menu. As an alternative, drag the levels to a place
outside the dialog box so that the cursor changes to a waste bin. As
you cannot undo this operation, Allplan will prompt you to confirm.
66 Creating the model Allplan
Only after you have confirmed this prompt will Allplan delete the
data.
Like folders and subfolders in Windows Explorer, structural levels
are merely folders for storing the actual files. Therefore, deleting
these folders will not delete the data and the associated drawing
files. It is simply the assignment that will be los t. This also applies to
filesets: Deleting filesets will not the delete the drawing files with
their data. To access the data again, you must simply reassign the
files – that's all!
You should adjust and revise the building structure before you start
worki ng on the actual project. This is the only way to ensure that
you use the appropriate files right from the start, thus avoiding time –
consuming changes and adjustments later.
BIM Compendium BIM in Practice 67
Restoring the building structure
As soon a s you click Close , you cannot undo any changes in the
building structure. Like *.bak files for drawing files, backup files for
the building structure will be created automatically by Allplan . Using
these backup files, you can restore the building structure if data are
lost or changed inadvertently.
As the building structure is project- specific, Allplan saves all the files
to the BIM subfolder in the project folder.
You can usually find the following files in this folder:
• Allplan_BIM_BuildingStructure.xml or *.log
• Allplan_BIM_Views.xml or *.log
• Allplan_BIM_LevMo_XXXX.xml
If the project includes a layout structure, you can also find the
following file:
• Allplan_BIM_LayoutStructure.xml or *.log
Wheres the *.log files save the status, the XML files save the
structure:
• The BuildingStructure file includes the left side of the
building structure, that is to say, the actual project structure.
• The Views file includes the objects derived from the building
structure, that is to say, the right side with the sections and
views.
• The plane model saved with the building structure is written to
the LevMo_XXXX file. XXXX stands for the name of the plane
model.
You can find backup files for both sides of the building structure in
the Backup subfolder. These files end in *.bak. Th ey have the
same name as the files mentioned above. The only difference is that
their names include the date and time. The backup file for the plane
model is in the BIM folder.
If you want to restore one of these files, start by manually removing
the addi tional information from the file name. You can then move
the file back into the BIM folder, thus replacing the existing file and restoring the building structure to its previous state.
68 Creating the model Allplan
Checking the building structure
If you want to handle projects in a BIM -compliant manner and
exchange data using the IFC interface, you must structure the
Allplan data in a building structure complying with IFC and BIM
specifications. Allplan helps you do so by checking the building
structure for inconsistencies.
Like most tools in the building structure, this checking tool is on the
shortcut menu. To access it, right- click the project node. Select the
Restrictions of building structure option.
Another dialog box opens. Click the IFC-compliant structure icon to
check the building structure. Allplan shows which structural levels
and assignments are allowed. At the same time Allplan checks the
structure to find out whether it meet s these requirements. If this is
not so, Allplan displays a message, marking any inconsistencies in the building structure. You can then correct the structure by
removing invalid structural levels and reassigning drawing files.
BIM Compendium BIM in Practice 69
If you use the wizard to create the building structure, you can create
an IFC -compliant structure right from the start. All you need to do is
select the corresponding check box.
You can then select only drawing file assignments and structural
levels that meet these criteria. All the other levels are grayed out and
inactive. This also applies if you select the IFC -compliant structure
for the project node BEFORE y ou start (manually) creating the
building structure. In this case, Allplan presents only structural levels
you are allowed to use. Consequently, you cannot find the Any
structural level entry on the shortcut menu.
Check list III: Building structure (see page 238)
70 Creati ng the model Allplan
The plane model
The plane model , which is produced by the Floor Manager , is
closely linked with the building structure. However, unlike the
building struct ure, the plane model is not necessarily needed for
handling projects in a BIM -compliant manner. As the plane model
and the building structure are saved to two different files, they do
not depend on each other. Consequently, you can use the building
structure without a plane model and the plane model without a
building structure. With regard to BIM, however, we recommend
working with both the building structure and the plane model. Using
the plane model, you can define and modify heights quickly and
easily.
BIM Compendium BIM in Practice 71
The concept of reference planes in Allplan
The concept of reference planes in Allplan controls the height of the
building model with all its components and obje cts. You can find the
following planes in Allplan: default planes , custom planes and roof
planes . Although roof planes and custom planes are created
differently, their effect is almost exactly the same. Basically, planes
always come in pairs, regardless of which planes you use. Every pair
consists of an upper plane and a lower plane. There is no single
plane.
Default planes
As indicated by their name, default planes exist in every Allplan
drawing file. You cannot delete default planes, but you can change
their height settings. Being invisible, default planes extend parallel
to the datum level over the whole drawing file. They are always
horizontal. You can predefine the height settings of these planes. To
do this, select the Tools menu, click
Options and open the Planes
page. The default is 0.00 m for the lower plane and 2.50 m for the upper plane.
The
List Default Planes tool gives you an overview of the planes'
height settings in all active drawing files (current and open in edit mode). If you want, you can change th e height settings. As well as
entering any value, you can take the height settings from a plane model (provided your project includes a plane model).
Default planes stretch to infinity, extending parallel to the xy
plane. They are always horizontal and hav e the lowest
priority.
72 Creating the model Allplan
Custom planes
You can create custom planes using the
Custom Planes tool. You can freely define all proper ties of
custom planes, such as their height setting and their position in
three-dimensional space. You can use as many custom planes as you
want in a drawing file or in a project. However, custom planes apply only to objects in the drawing file in which yo u create these planes.
In addition, custom planes cannot be part of a plane model.
Therefore, you should use custom planes only if there is no other
way.
Custom planes have priority over default planes. Consequently,
inserting a pair of custom planes will cause components whose
heights were defined relative to the default pair to lose their
association with the default pair and to adjust to the new constraints
imposed by the custom pair . You can define a custom pair in the xy
plane by entering a closed polyline in plan. To do this, you can use
the coordinates or the angle of inclination. As soon as you have
defined a pair of custom planes, they take precedence over the
default planes. Any component associated with planes will take its
height from the custom planes, ignoring the default planes. To define
custom planes, you can enter coordinates or the angle of inclination.
The following four combinations of custom planes are possible:
• Both planes are horizontal.
• One of the planes is inclined.
• Both planes are inclined but parallel.
• Both planes are inclined at different angles.
To create a pair of custom planes, open the Architecture – General:
Roofs, Planes, Sections module or the Create menu and select the
Custom Planes tool. Click Properties to open the dialog box in
which you can define the geometry of the upper plane and the lower
plane by entering parameters. The preview on the right changes with
the settings you make for the planes.
BIM Compendium BIM in Practice 73
To define the height of horizontal planes, enter a fixed Z value as an
elevation point. If both planes are horizontal, you can enter the
offset for one of the planes instead. This also applies if both planes
are in clined but parallel to each other. To define inclined planes,
enter three definition points in the bottom part of the dialog box.
The settings that are actually available to you depend on the settings
you have already defined for the other plane. Values yo u have
already defined are grayed out.
As the name implies, planes are always planar; they cannot be
curved or bent. Planes are geometrically defined by three points or
two points and one angle. To define these points, enter their X, Y
and Z coordinates. Y ou can also define the points graphically by
clicking the
Match icon in the Definition points area. The dialog
box closes temporarily and you can click the points on screen. This method is especial ly useful if you want to take height values from
your model. You can also use this method if you know the
inclination of the plane, but you do not know the height of the
points defined.
74 Creating the model Allplan
Note: To take height values from your model, you must click the
points in isometric view. You cannot do this in plan. If you click a
point in plan, Allplan interprets this point as being in the xy plane.
Consequently, its height is 0. This applies not only to plane points
you define but also to coordinate values you measure .
Next, click the three points one after the other. If you want to enter
the inclination instead, the first two points you click must bat at the
same height. Otherwise, the planes would be warped. As soon as you
have defined all points, the dialog box open s again, showing the
values of the points clicked. You can check and change these values.
Clicking OK takes you back to the workspace. Next, define the
outlines of the planes using the polyline entry tools.
The
Modify Planes tool allows you to change the height or
inclination of pairs of planes you have already defined. To change
the outlines and thus the spatial boundaries of the planes, you can
use the
Modify Offset,
Fold Lines and
Stretch Entities
tools.
Custom planes do not stretch to infinity; they can have any
planar shape. Custom planes have the highest priority,
overriding both roof planes and default planes. A pair of
custom planes applies only to elements in the same drawing
file; it cannot be part of a plane model.
BIM Compendium BIM in Practice 75
Roof planes
In Allplan , you can also create roof planes . These planes are often
referred to as roof frames. Their main use is in roofs and attics. But
regardless of their name, you can also use them to define the height
settings of any objects and components. Roof planes have priority
over default planes. Therefore, any component associated with
planes will take its height from the roof planes, ignoring the default
planes.
Pairs of custom planes, on the other hand, take precedence over roof
planes (provided they are on top of each other). There is a main
difference between custom planes and roof planes: the lower plane
of a roof frame is always horizontal, whereas the upper plane can be
horizontal or inclined. Depending on the roof shape (barrel roof,
gambre l roof), the upper plane can also consist of several parts. Here,
too, the following applies: the parts that make up the roof frame
must be planar.
You can thus create roof planes of complex geometry. This would
not be possible with custom planes. In addition, you can add roof
planes to a plane model, allowing you to define the height settings
of components across drawing files.
Use the
Roof Frame tool to create roof planes. You can find this
tool in the Architecture – General: Roofs, Planes, Sections module
or on the Create menu. Like custom planes, roof planes are entered
in two steps: first, you enter the outline in plan. Then, you define the
shape of the roof frame. To enter the outline in plan, use th e
polyline entry tools . As opposed to custom planes, it is irrelevant
whether you start by entering the outline or by defining the roof parameters. You can do this in any sequence.
The Roof Frame dialog box changes with the roof shape you select.
When desi gning barrel roofs or gambrel roofs, you can define
additional parameters in a separate dialog box. Regardless of the
roof shape you select, you always have to specify the global height
of the roof frame in the Z direction.
76 Creating the model Allplan
Whereas the bottom level is equivalent to the lower default plane,
the top level does not define the value for the upper roof plane.
Rather, it defines the upper limit of the roof frame. In other words,
the roof frame can ext end as far as this value. Together, the two
values define an envelope. The actual roof frame is within this
envelope. Allplan cuts any component projecting beyond the top
level. Therefore, make sure this value is always greater than the
maximum height of t he ridge. Another important value is the height
of the eaves. This value must be greater than the bottom level but
smaller than the top level. Otherwise, Allplan cannot create the roof frame.
After you have defined all parameters and entered the outline, t he
dialog line prompts you to click edges of roof frame to apply
slopes . You can click as many sides as you need. While doing this,
you can even select a different roof shape to design a complex
roofscape. Press ESC to finish, thus creating the actual roof frame.
Note: The roof frame you create here is not actually a roof – it is
simply a collection of planes defining the height. To create the actual
components of the roof, use
Roof Covering ,
Slab or any other
tool and define the height of these components relative to the roof
planes.
You can find various tools for modifying roof planes in the
Architecture – General: Roofs, Planes, Sections module or on the
Change menu.
BIM Compendium BIM in Practice 77
Roof planes or roof frames are a collection of different pairs of
planes that do not stretch to infinity. The lower roof plane is
always horizontal. Roof planes have a higher priority than
default planes but a lower priority than custom planes. Roof
planes can be part of a plane model, defining the height
settings of components across drawing files.
As custom planes and roof planes are clearly delimited, you can see
their out lines in plan. This does not apply to default planes. As
default planes are usually not visible, you cannot assign format properties (pen, line, color and so on).
Custom planes and roof planes, on the other hand, can be given any
format properties. Using the
Modify Format Properties tool, you
can change these properties at any time. In addition, you can
configure Allplan to display all planes in elevation and isometric
views. You can even define the form at properties for the planes in
these views.
To do this, open the Tools menu, click
Options and go to the
Planes page. Select the Representation in 3D check box to display
the planes in all views. As this is very useful for defining height
settings, you should select this check box for the roof planes and the
custom planes.
Note: Like rooms and stories, planes are not real objects, but they are
virtual structures. Therefore, pen 7 (= pen thickness of 0.13) plays a special role when it comes to defining format properties. If you have
selected this pen, virtual elements are automatically created as
construction lines, regardless of whether thi s option is active on the
format toolbar or not. To avoid this, you must select a different pen.
You cannot use
Modify Format Properties – Convert
construction lines to 2D entities to change this later.
78 Creating the model Allplan
Creating the plane model
Unlike the concept of reference planes in Allplan , the floor manager
and the plane model do not apply universally. With regard to BIM,
however, we recommend using the plane model in conjunction with
the building structure. The plane model and the building structure
are closely linked. Thus, you can create a building structure from a plane model, and vice versa.
You can use the floor manager to create or modify a plane model. To
access the floor manager , click
Open on a Project -Specific Basis.
As an alternative, double -click the left mouse button in an empty
area of the workspace. The dialog box for selecting drawing file
opens. Click the Floor Manager icon. You can find this icon both in
the fileset structure and in the building structure. Another dialog box
opens. If you have already defined a plane model, you can see this
plane model. Otherwise, the dialog box is empty. Click the New
model icon to cre ate your own model. You can then use this model
to define the height settings of the structural levels and stories
within the building structure.
The structure of the floor manager reflects the structure of a real
building. Therefore, the planes (that is to say, the floors) and the
height settings you define are based on the geometry of a real
building. As you have already learned, planes always come in pairs
BIM Compendium BIM in Practice 79
in Allplan . Here, too, you can find a n upper plane and a lower plane.
These planes are usually equivalent to the top and bottom levels of
the stories. Therefore, they take their name from the corresponding
story. Generally, the height of the ground floor is set to ± 0.00. You
can create addit ional stories – and thus the corresponding pairs of
planes – above or below the ground floor. To create the initial
structure, start by defining how many stories you want to create above and below the ground floor. Then enter the slab thickness and
the clear height between the unfinished slabs. If you have not yet
created a building structure, you can do this together with the plane
model.
Click OK to finish, thus creating an initial model. As th e stories in a
building are hardly ever of the same height, you can change and adjust the settings whenever you need.
The Floor Manager dialog box has two parts: On the left, you can
see the building structure in a tree structure, which is similar to that in Windows Explorer. The area on the right shows a preview of the
building structure. The two areas are dynamically linked.
Consequently, the areas update automatically to reflect any changes
80 Creating the model Allplan
you make on either side. To change a value, double -click it so t hat it
is highlighted in blue. Then enter the new value.
It is irrelevant whether you want to change the name of a pair of
planes or its height. The procedure is always the same. If you want to
insert or delete stories or pairs of planes, you can use the shortcut
menu or the icons at the bottom of the dialog box. Allplan always
deletes the pair of planes you have selected. When inserting an
additional story, Allplan places it in accordance with the height
settings you have defined. Stories cannot overlap. Consequently, the
upper plane must always be below the lower plane of the story
above.
As mentioned before, roof frames and roofscapes can be part of a
plane model. However, you cannot create ro of frames or roofscapes
in this dialog box. You must design them in a drawing file or a free
NDW document in advance. To do this, use the
Roof Frame tool.
You can then integrate the roof frames or roofsc apes into the plane
model by clicking the Insert roofscape icon. A roofscape is not a
story; rather, it is a third, locally delimited plane you add to a story.
You can see which story has a roofscape: a roof symbol appears in
both the plane model and the building structure.
BIM Compendium BIM in Practice 81
Using a roofscape together with a plane model has many advantages
over using a roofscape on its own. You can benefit from these
advantages when both creating and modifying the building model.
As you know, roof planes and custom planes apply only to
components and objects that are in the same drawing file . However,
the data are usually in different drawing files, such as rooms, walls
and roof components. Therefore, you must copy the roof frames to
all these drawing files, making sure the height settings are correct. If
you want to change something, you must do this separately in each
file. This takes up much time and is prone to errors. By integrating a
roofscape into a plane mod el, you can apply the roofscape to several
drawing files at the same time . In addition, the roof frame cannot be
changed inadvertently: it is placed on an internal Allplan layer,
which is always set to visible, frozen or hidden, frozen. You cannot
set it to modifiable.
Assigning planes
Creating the plane model is only the first step. The plane model you
have created will not automatically apply to the building structure
and the drawing files used. To achieve this, you must assign the
height settings to the structural levels. Like most tools in the
building structure, the Assign planes tool is on the shortcut menu.
You can select this tool for drawing files and for structural levels. A
structural level is NOT automatically linked with a story in the floor
82 Creating the model Allplan
manager even if it has the same name. Clicking Assign planes opens
the floor manager with the model you just created. You can now
select the planes or stories and assign them to the selected files or
structural levels.
Note: You do not necessarily have to use the planes of a single story.
The upper and lower planes can come from different stories. The planes Allplan actually uses for the upper plane and the lower plane
depend on the height settings. The names in the plane model are
absolutely irrelevant.
Note: You can create several discrete plane models within a project.
But the planes you assign must be from one and the same plane model.
Note: If a drawing file is to have height settings that are not defined
in the plane model, use the
List Default Planes tool and enter the
height settings you need.
In addition to the data structure within the project, the building
structure also shows the heig ht settings of the files. So you do not
need to open the floor manager.
BIM Compendium BIM in Practice 83
Just have a look at the Height at bottom and Height at top columns:
• If you have assigned height settings to a structural level, these
height values are shown in black .
• These columns are empty if the drawing files take their height
settings from the structural level to which they are assigned.
• If you have assigned planes from the plane model directly to a
drawing file, these height values are shown in blue.
• If drawing files have height settings that are not taken from the
plane model, you can see the – character instead of the height
values in the columns.
• A ? indicates that the plane is not defined.
Any changes you make in t he plane model always apply to all
drawing files and components associated with planes. This is
perfectly suited to planning, where changes are the rule. You can
adjust everything quickly and easily without having to change the
properties of each component or the height settings of each file.
84 Creating the model Allplan
Defining the height settings of components
Creating a plane model and assigning the height values defined
therein to the drawing files and structural levels of your project does
not mean that the components and objects in these files
automatically assume the heights defined in this model. This is a
specific object property . In other words, components can also have
fixed hei ght settings, which do not depend on the drawing file. This
is the default setting for 3D solids you create in the 3D Modeling
module. A 3D solid always has a fixed, absolute height defined by its
geometry.
It is a good idea to define the height settings of a component while
you are creating it. To do this, use the Properties dialog box. We
recommend using planes wherever possible. Try to avoid fixed
elevations, thus keeping the components flexible. You can find the
Height … button in the properties dialog box of every component.
Click this button to open the dialog box for setting the height. In this
dialog box, you can define the height separately for the top level and
for the bottom level. A preview on the right shows the settings you
have made.
You have the following options:
• Using the first two icons, you define the component height so
that it is relative to the lower default plane or to the upper
default plane. If you want, you can also enter an offset between
the component and the plane. This offset is always constant even
if you change the height of the reference plane. In areas with custom planes or roof planes, Allplan will use these planes
instead of the default planes. This setting is most commonly used.
• Using Elevation Point , you can enter an abso lute value in the Z
direction. This value defines the height of the component's upper
edge or lower edge. We recommend using this setting for fixed
components within the model. These components do not adapt to
any changes in the story height. In addition, only components
with fixed elevation points can be raised or lowered using
Move or modified using
Stretch Entities .
• Using the two icons with the sloping planes, you can take the
height of the bottom or top from a component you have already
defined. Contrary to the symbols, this has nothing to do with
sloping planes. The height is defined by the component you click.
When you click this icon, the Hei ght dialog box closes
temporarily so that you can click the component whose height
settings you want to use. However, in doing so, you do not select
BIM Compendium BIM in Practice 85
the height dynamically: If you change the height of the
component clicked or delete this component later, t he height
defined will not update accordingly. Instead, the height is a fixed
Z value.
• Using the last icon, you define the Z dimension of the
component, that is to say, the component height from its upper
edge to its lower edge. However, this option define s only one
height setting. This is useful for slabs or similar elements, which have a fixed structure and component thickness but whose
absolute height may change over the course of the project.
Basically, it is worth spending some time thinking about how to define the height settings of components. Once you have drawn up a
concept, stick to it throughout the project. For example, you can
associate all exterior walls with the upper and lower default planes.
For slabs, on the other hand, you can define the component height
and use only one plane. These rules make it easier for you to create
the model, as you can proceed quickly without having to think about
height settings again. Based on these rul es, you can create the plane
model in the building structure and assign height settings to
structural levels and drawing flies.
Check list IV: Plane model and component heights (see page 241)
86 Creating the model Allplan
Layers in Allplan
Using the building structure and the plane model, you make sure
your building model is set up correctly, being and remaining both
consistent and flexible. Allplan comes with layers, providing an
additional means of applying a structure. Most CAD users are
familiar with layers, as layers are part of numerous CAD systems,
such as AutoCAD.
In other CAD programs, users only have layers to structure data. In
Allplan , however, a layer is a format property you can assign to any
element independently of the drawing file to which the element
belongs. Apart from being on a par with the element color and line
type, layers have some additional functions. For example, you can
define other format properties (pen, line, color) together with the
layer assigned. In addition, you can use layers to grant users access
to particular parts of the building model. Last but not least, layers
allow you to quickly show or hide elements on sc reen and in layouts.
This requires print sets and privilege sets, which will be explained in
detail later.
BIM Compendium BIM in Practice 87
An Allplan layer is a format property, such as the element
color. In addition to drawing files, you can use layers to
structure data within the mo del. Layers work across drawing
files. You can define them within the project or in the office
standard.
Each object you draw has a layer. In addition, you can use
layers to predefine the other format properties (from layer).
By defining print sets and pri vilege sets, you can specify
which elements are visible and control who can access which
parts of the model.
Although BIM does not require you to use layers in your building
model, we strongly recommend working with layers in Allplan . In
addition to the advantages listed above, data exchange benefits
greatly from layers. When you export data using the IFC interface, layers allow you to control how to transfer components and objects.
Creating the layer structure
Allplan comes with appropriate layers for all common elements and
objects. The layers are arranged in categories (architecture,
engineering, timber construction and so on ), which are divided into
subgroups. Based on this default structure, you can create your own
office -specific or project -specific layer structure. So you do not have
to spend time creating your own structure from scratch. Public
authorities or large institutions often have their own layer structures.
If this is so, you are obliged to use the given str ucture when
exchanging data. In this case, you can create the required structure
manually based on a layer table. As an alternative, you can use a
prototype file (ends in *.dwt) to import the layer structure directly
into Allplan .
88 Creating the model Allplan
Keep your layer structure as lean as possible so that you do not have
to waste time finding the right layer. Therefore, delete all the layers
or subgroups you do not need or combine them into new groups. As
experience h as shown, 60 to 80 layers are usually enough.
Using the shortcut menu in the Layer dialog box, you can delete,
move, rename and create layers and layer levels. To open this dialog box, double -click the right mouse button in an empty area of the
workspace. As an alternative, use the Format toolbar or the Format
menu and select
Select, Set Layers . The layer palette does not offer these
functions. But you can use this palette to show and hide layers.
BIM Compendium BIM in Practice 89
Note: The layers that come with Allplan are default layers. Therefore,
you cannot delete these templates from the Select Layer/Visibility
tab. But you can do this on the Layer Structures tab.
Note: Depending on the resource settings, only the administrator (if
you use office -specific layers) or the administrator and project owner
(if you use project -specific layers) are allowed to create and change
the layer structure. This ensures that the layer str ucture cannot be
changed inadvertently.
Each layer has a full name and a short name. These names should be
meaningful and unique, making it easier for you to identify the
layers. Whereas you can use the full name as often as you want, the
short name must b e unique for each layer; Allplan uses the short
name together with the (internal) layer number to identify the layer. Once you have created a layer and integrated it into the layer
structure, you can assign more properties to this layer using the tabs.
90 Creating the model Allplan
Layers' format properties
Apart from being a format property itself, each Allplan layer can
define the pen, line and color formats of the elements placed on it.
Here, the emphasis is on "can", as this is not a property of the layer
itself but a property of the element in question. In other words, one
and the same layer can include elements with different settings, that
is to say, elements that take all their format properties from the
layer, elements that take some of their f ormat properties from the
layer and elements that take no format properties from the layer. To
assign a particular format to a layer, select the layer on the Format Definition tab and set the pen , line and color as you need. As an
alternative, you can also assign a line style . A line style combines
these three formats for different scales or drawing types. You will
learn more about line styles later.
However, defining the format of a layer does not mean that the
elements on this layer automatically assume these properties. You
can set this option for the entire project in the layer dialog box. You
can also assign it to an element using the
Modif y Format
Properties tool.
We recommend working with the "from layer “ for pen, line and
color option, giving a uniform look -and-feel not only to your data
and but also to the BIM model. There is another big advantage: by
selecting the right layers, users au tomatically use the right formats.
They do not have to set the formats separately.
BIM Compendium BIM in Practice 91
The "from layer" option is a project setting. To select it, do the
following:
• First, open the Format Definition tab. Go to the Layers' format
properties area and select the Match from layer based on line
style, pen, line, color assigned option.
• Then switch to the Select Layer/Visibility tab and select the
From layer, line style check boxes for Pen, Line and Color .
As long as you do not change this setting, all elements you create
take their format properties from the layer used. To assign this
option to an element or remove this option from an element, use the
Modify Format Properties tool. In the Type of modification
area, select Change "From layer" for pen, line and color . As a
result, you can select only these three format properties in the lower
part of the dialog box.
• The element you are modifying takes the f ormat properties you
select from the layer.
• Consequently, the format properties you do not select are not taken from the layer; so you can still set these properties
independently of the layer.
92 Creating the model Allplan
As this option is a global setting that applies to the entire project,
only the project owner or administrator can select this option, which
then applies to all users working on this project.
Print sets and privilege sets
In addition to helping you structure data and define format
properties, layers in Allplan offer two more options you can use to
control how elements on layers look and can be edited: print sets
and privilege sets . Using print sets , you can show and hide layers
quickly and easily. Using privilege sets , you can grant users access
to particular parts of the building model, thus protecting objects or
areas from unauthorized changes. This option is ver y useful if a large
number of users work on the same project at the same time, which is
often the case with BIM projects. Involving many people, BIM
projects are usually very complex. So you have to break up tasks
within the office. Using privilege sets, you can define responsibilities
quickly and easily.
BIM Compendium BIM in Practice 93
Each Allplan layer can have four different statuses:
• Current (red) : All elements you create get this layer. You can see
the name of the layer on the Format toolbar.
• Modifiable (yellow): All elements on this layer are visible on
screen; you can edit modifiable elements.
• Visible, frozen (gray) : Although the elements on frozen layers
are visible, you cannot edit them. If the Display elements on
frozen layers using a fixed color option is active (default settin g)
in the Layer dialog box, all elements on frozen layers are
displayed in the color selected.
• Hidden, frozen (white) : You can neither see nor edit elements on
hidden layers.
Using the Layer pal ette or the Select Layer/Visibility tab in the
Layer dialog box, you can change the status separately for each
layer or for an entire layer level. Note that only one layer can be
current at any one time.
94 Creating the model Allplan
Print set
Although its name sugge sts otherwise, a print set is not limited to
printing. Rather, you can use print sets to control the visibility of
layers in general. Any layer in a print set can have the visible or
hidden status, which means that the elements on this layer are
visible on screen or not. You can define a print set in two different
ways: using the Print Set tab or the Select Layer/Visibility tab. If
you want to use the latter, define the layer settings as you need.
Then open the shortcut menu and select Save current setting as a
print set. If you use the Print Set tab, you also start by defining the
layer settings. After this, click the Define, modify print set… button.
Then click New print set … and enter a meaningful name for the
print set. If you want, you can also assign it to a group. This is
useful if you work with a large number of different print sets.
If you want to use a defined print set to change the visibility of
layers in a single step, open the short cut menu again. This time click
Match visibility from print set… and select the print set you want
to use. Allplan displays the layers in accordance with the settings in
this print set.
BIM Compendium BIM in Practice 95
In layou t editor, however, the global layer dialog box applies only to
elements you have drawn directly in the layout. Use the Properties
to define visibility settings for the drawing files and layout windows
you have placed in the layout. To do this, select the
List Layout
Elements tool, which shows you all the documents placed in a table.
Use the Layer, print set column to define the settings as you need.
Privilege set
You can use a priv ilege set to control who can access what within a
project. In addition, you can use privilege sets to define which layers
are available to the current project, thus reducing a large layer
structure to a number of defined layers. This makes it easier for
project participants to select the right layers. A layer in a privilege
set can have one of the following statuses: full access right
(modifiable), viewing right (frozen) or no right (hidden, frozen) .
As opposed to the status in layer selection, the status in a privilege
set cannot be changed by the user. What's more, if a layer is set to
hidden, frozen, neither the elements on this layer nor the layer itself
is visible in the structure. The proced ure for creating a privilege set
is almost exactly the same as that for creating a print set . The only
difference is that you use the Privilege Set tab. Define the layer
settings as you need. Then click Define, modify privilege set…. – >
96 Creating the model Allplan
New privilege set .… and enter a meaningful name. The privilege set
called Allplan is always available. It includes all layers in the
Allplan default folder.
If you use Workgroup Manager and several users work on the same
project at the same time, layers play an important r ole in controlling
access and collaboration. Therefore, only the project owner or
Allplan administrator can define the settings described. Normal users
can only use print sets and privilege sets (provided they have been
assigned to sets; otherwise, they ca nnot access any sets). You can
make these assignments when you define a set or later. To do this,
click Define, modify privilege set… or Define, modify print set ….
The assignment table consists of two tabs, which function in the
same way. Therefore, you can assign a user to a set or a set to a
user. The result is the same.
When working with layers and their functions, make sure all
assignments are complete. Otherwise, you cannot fully exploit
the benefits of layers.
BIM Compendium BIM in Practice 97
Assigning layers
When working with layers, you start by creating a layer structure
and defining the properties. Although this is the first step, it is not
the most important one. Just creating the layers is not enough. You
must also use them when designing the objects. Otherwise, Allplan
simply places every object on the same layer, which is usually the
DEFAULT layer. The most important step is assigning the layers to
the components, ideally while you are cr eating them. Like drawing
files, layers can be changed later. However, this takes much time and effort. Therefore, each time you select a tool, check that the correct
layer is set.
Depending on the tool selected and the settings in the options, you
can se lect layers in two different ways:
• Directly in the Properties dialog box on the Format properties
tab. You can do this for linear components, multi -layer
components and objects made up of individual parts that can
have different layers (dimension strings, …).
• On the Format toolbar using Select … or Set… in the dropdown
list of layer selection.
If you want to use the Format toolbar to set the layers globally for
all tools, open the Tools menu, cl ick
Options and open the
Components and architecture page. Go to the Architectural settings
across modules area and select Properties from the Format toolbar
in addition to settings in dialog box . Do not select the second
option: Also apply to multi -layer components . Otherwise, Allplan
places all construction layers on the same layer, making it impossible
for you to show or hide construction layers separately.
98 Creating the model Allplan
For example, if you want to give the structural engineer only the
load-bearing construction layers of the components, you can do this
in the current Allplan version. Just hide the unnecessary layers and
select Do not transfer hidden lay ers in the IFC export settings . This
option is not available if all construction layers are on the same
layer. To find out more about export, see page 182 .
We recommend that you work with the Auto -select layer with tool
settin g, helping you use layers systematically in your building
model. You can select this setting on the Select Layer/Visibility tab
in the Settings area. With this setting, Allplan automatically chooses
the layer that is appropriate to the tool you select. The re is another
option helping you use layers consistently: you can copy the layer
from an element you have already formatted correctly. To do this,
click the
Match current layer icon or double -click a component
with the right mouse button.
In the beginning, using layers might feel like an unpleasant duty,
especially when you are collaborating and exchanging data with
public authorities or large institutions. But as soon as you have
familiarized with layers and seen their advantages, you will never
want to do without them again. Admittedly, setting up an office –
specific, logical layer structure takes some time and effort, but in the end, the benefits will far outweigh the effort.
Check list V: Layers and format definitions (see page 244 )
BIM Compendium BIM in Practice 99
The database is one of the core aspects of handling projects in a
BIM-compliant manner. Based on an initial model, the database is
developing an d growing constantly. This database is the BIM model
you create as a prototype in the early project phases. This model will then be expanded, adjusted and refined over the course of the
project. The manner in which components and details look varies
depend ing on the planning phase. The database is always the same;
only the look and level of detail differ. To display everything
correctly in accordance with the relevant phase, you can use area
styles and line styles when modeling components in Allplan Using
these styles in conjunction with drawing types and reference scales ,
you can display one and the same element in many different ways.
Line styles and area styles allow you to display one and the
same object differently depending on the planning phase and
situation. You do not have to spend time entering the object
from scratch.
Clearly reflecting the concept of BIM, line styles and area
styles play an important role in handling projects in a BIM –
compliant manner. Using drawing types and scale ranges, you
can control what you can see and when. Drawing types and
scale ranges can even have their own format properties.
100 Creating the model Allplan
Working with line styles and area styles
Line styles and area styles are an alternative to simple and relatively
rigid format properties and to basic surface elements, such as
patterns, hatching, fills and bitmap areas. You can use line styles and
area styles not only for simple 2D elements but also for 3D objects
and components. In 3D, the advantages of using line styles and area styles are even more obvious than in 2D. When creating the BIM
model, you should always prefer line styles and area styles to any
other option. Otherwise, you have to spend much time adjusting the
model to the relevant planning phase, or you even have to create
parts of the model or the entire model from scratch.
In addition, you can benefit from line styles and area styles in
various ways without having to do any extra work. Whether you
select a hatching style or a style area when you create a component
is completely irrelevant to the overall procedure. The same is true for
other format properties: simply select a line style instead of a pen,
line and color on the Format toolbar.
Area styles and style areas look different depending on the drawing
type or scale range. Line styles, on the other hand, change their
appearance in accordance with the format properties (pen, line and
color) of the elements.
There are two important d ifferences between line styles and area
styles:
• A line style is an element's format property whereas an area
style or style area is a discrete 2D element or it can be used to
display architectural elements in plan.
• Furthermore, you cannot assign a line sty le directly to an
element; you can assign it only to a layer as a format definition.
All elements that are on this layer and that have the from layer
format property will take their format properties from the line
style.
BIM Compendium BIM in Practice 101
Allplan comes with some predefined area styles for the most
common materials. The same applies to line styles: You can find
various line definitions in the default folder. To get an overview of
these resources, open the Tools menu, select Defaults and click Line
Styles, Area Styles, Drawin g Types .
Select the line style or area style to see its details. Allplan shows the
style ’s parameters. The parameters you can see vary d epending on
whether you have selected Show definition of scale or Show
definition of drawing type at the top of the dialog box. For a line
style, you can see the pen , line and color. For an area style , you can
see a pattern , hatching style , fill or bitmap area. In other words,
area styles and line styles simply refer to basic formats and surface
elements, which are then displayed in accordance with the setting.
The default templates in Allplan come with separate definitions for
both scale and drawing type, making them as flexible as possible.
102 Creating the model Allplan
Using line styles and area styles
In Allplan , style area and area style refer to two different things
even though these two terms are often used synonymously.
A
style area is a drafting tool you can use to create a discrete
surface element. The way it looks depends on the area style used. In
other words, this area style is a format definition for a surface
element or the surface element of an object.
So if you want to draw a 2D area whose appearance is to change,
use the
Style Area tool in the Draft module ( Create area). Using
the Properties , you can select the area style you want to use. After
this, enter the area as you would a polyline or a basic surface
element.
You can even convert surface elements to style areas, thus making
them more fl exible. To do this, use the
Convert Surface Element
tool.
All you need to do is change the reference scale or the drawing type
– the area will look different each time you select a different setting.
As you create your building model in three dimensions, you will not
work with these 2D drafting tools. However, you should use area
styles for architectural components wherever possible, making sure
the components are displayed correctly in different planning phases
BIM Compendium BIM in Practice 103
and at different scales. This applies not only to the way surface
elements appear in plan view but also to the level of detail used to
display construction layers of walls. To select and se t the format,
open the Allplan tool you want to use (wall, column, slab …) and
click the Properties icon. Then open the Surface elements tab, click
below Style area and select an area style in the dropdown list.
Like 2D style areas, the components displayed in plan change with the scale or drawing type you select. Whether the lines between the
layers of multi- layer walls are visible or not depends on the settings
in the options. Select the Tools menu , click
Options and open the
Components and architecture page. When working with
"intelligent" surface elements, you do not need the Display lines
where components intersect option. Therefore, make su re it is not
selected. For the next option, select Display junction lines, division
lines between different surface elements .
There is a third option defining the lines between style areas. Here, select Hide with same area . As a result, you can display a multi-
layer wall as a single -layer wall in a design plan or a submission
plan (provided the style areas used have the same definitions for the
relevant scale range or drawing type).
104 Creating the model Allplan
If you want to use line styles for elements, you must work with the
"from layer" format property. Remember: You cannot assign a line
style directly to an element, but you can assign a line style to a
layer. As described in 'Layers in Allplan ‘ (see page 86), you can
select this property in the layer dialog box on the Format Definition
and Select Layer/Visibility tabs.
You can choose the line style you want to use on the Format
Definition tab, too. To do this, select the Assign, use line style check
box and click a line style in the dropdown list.
All elements that are on this layer and that use the “from layer “
format property will take their settings from the line style.
Consequently, these elements look different whenever you change
the drawi ng type or scale. This applies to 2D elements, architectural
elements and complex objects. Consequently, when you work with
line styles and the "from layer" format property, the elements you
place on the same layer must be identical in their display option s.
Take this into account when you create the layer structure.
In addition to layers, drawing types are closely linked with line
styles and area styles in Allplan . Using drawing types or the
reference scale, you can control how components and objects are
displayed. The styles themselves only form the basis.
To find out which drawing type and reference scale you are currently
using, have a look at the status bar at the bottom of the viewport.
There, you can also change these settings. You can also select a
different scale on the View menu. Just click
Reference Scale.
BIM Compendium BIM in Practice 105
When working with line styles and area styles, you must bear two
important points i n mind:
• The reference scale is hierarchically subordinate to the drawing
type. If you have selected a drawing type, the scale definition is
irrelevant. Consequently, simply changing the scale will not
change the appearance of your drawing. To change the lo ok of
your drawing, you must select Scale definition .
• In the layout editor, the settings displayed in the status bar apply
only to the elements drawn directly in the layout, such as the
layout border or the title block. If you want to define these
settings for the drawing files and layout elements placed, use the
List Layout Elements tool or the properties. You can define
these settings separately for each element.
Here, too, the drawing type takes precedence over the scale. If you
want to use the latter, select scale definition.
Creating your own line styles and area styles
The line sty les and area styles in the Allplan default folder cover the
most common materials and uses. Of course, you can add your own
line styles and area styles at any time or customize the existing
resources for your needs or for project- specific requirements.
We recommend that you create only as many area styles as you
need, keeping the total number to a minimum. In addition, spend
some time thinking about the structure and logic of the area styles
you want to use and discuss this topic with the other project
participants in advance.
In conjunction with Workgroup Manager, you require administrator
privileges if you want to define and modify resources in Allplan . The
106 Creating the model Allplan
administrator can edit both the office standard (STD) and the project
standard. The project owner ca n edit only the latter. To define new
resources, open the Tools menu, select Defaults and click Line
Styles, Area Styles, Drawing Types . You can also change, adjust or
delete definitions. A dialog box opens, showing all available line
styles and area style s. To create a new style, click the New,
manage … button. In the next dialog box, click New. Enter a
meaningful name for the new line style or area style. You can also
assign an ID number. If you require a large number of different
styles, you should arrang e them in subgroups.
As soon as you click OK , Allplan creates the line style or area style,
selecting it automatically. Next, you can define how you want to
display the line style or area style. T o do this, specify which surface
element (pattern, hatching, fill, bitmap area) or which format (pen,
line, color) you want to use for each drawing type or scale range .
Simply select the surface element or format in the dropdown list. For
surface elements, you can define additional parameters by clicking
the … icon.
BIM Compendium BIM in Practice 107
Do the same if you want to change definitions.
If the drawing types that come with Allplan do not meet your
requirements, you can cust omize them for your needs or define your
own ones. To do this, click the + icon to the right of Drawing type
or use the shortcut menu. Enter a name for the new drawing type.
Allplan lists the new drawing type with all available line styles and area styles. You can define display parameters for the new type as
described above.
Line styles, area styles and drawing types are always linked with a
particular layer structure and the patterns, hatching, p ens and lines
defined in this layer structure. Therefore, make sure you always work with project- specific or office- specific resources. You can check these
path settings in the project properties. To do this, open the File menu
and select
New Project, Open Project or ProjectPilot .
We recommend creating a sample project as a project template with
project -specific resources, including the entire o ffice standard. This is
useful not only for creating a BIM model but also for defining an
office -specific standard. You can use this project as a template for
new projects or use some of its resources for other projects.
Check list VI: Line styles, area styles (see page 246 )
When working in Allplan , you usually use the appropriate Allplan
tools for creating components and thus the project data, regardless
of whether you work with or w ithout BIM. By doing so, you can
108 Creating the model Allplan
fully exploit the benefits afforded by the program's extensive
functionality, thus avoiding the time -consuming process of adjusting
data later. This is particularly important when it comes to creating
the BIM model and hand ling projects in a BIM -compliant manner.
For example, by using the
Wall tool, you ensure that the
component you create will be transferred and identified as a wall. While you are creating the component, it is automatically given
object -specific attributes and properties, without you having to do
anything else. Some of these attributes and properties apply to
almost all architectural components whereas others are very specific
and apply to a few objects o nly. In addition, just by creating the
component, you define how it interacts with other components, such
as a window opening or an adjacent room.
Advantages of using the appropriate Allplan tool:
• You can transfer the component as a predefined type .
• The component automatically gets the properties and parameters
required for identification.
• The component knows how to interact with other objects .
• You can use the Allplan tools for analyses and conversion .
BIM Compendium BIM in Practice 109
While designing a component, you enter its geometry and define
various settings in the properties dialog box (wall thickness, column
cross-section …). In addition, you can give every object you are
creating additional information in the form of parameters and
attributes .
Of course, you can display these details as 2D labels, dimension lines and so on in Allplan , allowing you to visually check the data and
create layouts and (PDF) files. However, these additional details are
not part of the building model; thus, they will not be transferred by
the IFC interface. Therefore, you should not use these details to attach additional information to an object, but you can use these
details to display or highlight the properties you have already
assigned to an object.
A typical example is a room stamp in the form of a label style: It is
not the visible text that defines the function of the room, but the
function is a property of the room, and the room is labeled with this
property. As soon as you change a property, th e contents of the
room stamp update automatically. You do not have to modify the
text manually.
The IFCObjectType
BIM and Allplan are geared primarily to the AEC industry. Therefore,
the data model and IFC library include all common elements in the
fields of architecture (wall, window, room, …), engineering (beam,
foundation, …) and building services (conduit, switch, outlet, …).
Each object you create with the appropriate Allplan tool
automatically gets the associated IFCObjectTy pe. You can change
this IFCObjectType later if you want to give an element a different
class. This allows you to transfer the element as a different
component. In this case, however, you first have to turn the element
into a neutral object using the
Convert Elements tool. This
automatically removes the IFCObjectType from the element and you
can assign a new type afterwards.
Assigning the type
If Allplan does not provide an appropriate tool for a component you
require in your model, you can create this component as a solid
using the tools in the 3D Modeling module. You can assign an
IFCObjectType to any element you design in this module. The same
applies to user -defined SmartParts , to elements you combine into
smart 3D symbols or to elements you convert to user -defined
110 Creating the model Allplan
architectural elements . Allplan then transfers these elements in
accordance with the IFCObjectType assigned.
Using Allplan , you can create elements of any IFCObjectType that is
currently available, regardless of whether or not there is an
appropriate tool. However, the element must have a 3D geometry
(volume). As you know, 2D elements in any form, including smart
2D symbols or 2D SmartParts, will not be trans ferred.
We recommend converting an element to a BIM object or an IFC
component immediately after you have created it. Otherwise, you
might forget it or lose track of elements you still have to convert.
Work through the following steps one after the other. In particular, if
you use an Allplan version before 2016, it is essential that you stick
to this workflow. Otherwise, you have to assign attributes and types
multiple times:
• Model the 3D geometry and combine the elements into a smart
symbol or convert them to a user -defined architectural element.
• Assign the necessary attributes, primarily the IFCObjectType .
• Set the required values within the attributes and define other
parameters.
There is one more point to bear in mind if you work with Allplan
2015 or an e arlier version and if you do not use the User -Defined
Archit. Element tool in the architectural module but convert a 3D
solid to a user -defined architectural element: You can convert an
element to a user -defined architectural element only if the element
does not have any additional attributes. Therefore, you must delete
these attributes before you convert the element. To do this, you can
use the
Remove Attributes tool in the Object Manager module.
Otherwise, Allplan will issue a message instead of converting the
element.
BIM Compendium BIM i n Practice 111
Note the following if you want to combine your elements into a
smart symbol: Allplan will export and transfer only the att ributes
and information you assign directly to the smart symbol, ignoring
any characteristics of the objects making up the smart symbol.
After this, create the object using the
Convert Elements – 3D to
U-D Elements or
Smart Symbol tool.
Next, assign attributes to the modeled object. Right- click the object
and select
Assign, Modify Object Attribut es on the shortcut
menu.
You can also access this tool by opening the Change menu and
clicking Bonus Tools – Object Manager .
Note: You will learn more about attributes in 'Elements and
attribut es‘ (see page 135 ). This section will also show you how to use
attributes.
112 Creating the model Allplan
You can see the attributes attached to the element. Normally, these
attributes include the name, material and the geometric values, such
as the area and volume. Click the Assign new attribute icon to open
a dialog box where you can find all the attributes you can assign in
Allplan . In the Default area, select the IFC group and the IFC object
type attribute.
Click OK to confirm, adding the selected attribute to the end of the
list. The value is still Undefined . You will change this in the next
step, which involves setting the type, that is to say, the component
or object to which you want to con vert the element. To do this, click
within the Undefined box to open the dropdown list of all IFC
objects currently supported by Allplan . Select the entry you need.
BIM Compendium BIM in Practice 113
Allplan displays the attribute va lue you selected, transferring the
element in accordance with the IFCObjectType defined. Bear in mind
that all components and elements without IFCObjectTypes and all
components and elements with the type being set to Undefined
become proxies in the BIM mode l after transfer. In other words,
these proxies are neither defined nor classified in the BIM model. As
they cannot be identified, these elements are nothing more than
empty objects without any functionality. To avoid this, use the
appropriate tool right f rom the start or assign the appropriate
IFCObjectType before you transfer data.
114 Creating the model Allplan
The types in detail
Looking at the name of an IFCObjectType in the selection list, you
may have difficulties identifying the object behind this name. To
make things easier for you, the following section lists all currently
available object types by group. In addition, you can find a short
description of the function and the special features for each object
type.
• Elements of the unfinished structure and architectural elements in
general:
– IFCBeam : downstand beam, upstand beam, horizontal beam
– IFCColumn : column or pillar, vertical supporting element
– IFCFooting : foundation, footing, usually sprea d
– IFCPile : pile, deep footing
– IFCRamp : straight or spiral ramp; can be a single component
or composed of a number of constituent parts (flight, landing,
railing, …). Unlike the other tools, this tool does not
automatically assign the IFCObjectType .
– IFCRampFlight : straight ramp flight or entrance ramp. You
should avoid using the Flight type definition. Instead, use the
more general definition, where the ramp shape is derived from
the geometric values and additional attributes. Using the
general definition, you can define the Flight as a subordinate
element.
– IFCRoof : roof. The Roof IFC object type represents the
container including the constituent parts of the roof (covering,
supporting structure).
– IFCSlab : slab or floor slab. The load -bearing layer gets the
Slab IFC object type. You should create coverings and linings
as separate components and assign the covering
IFCObjectType to these components. Exceptions are landings
of ramps and stairs, which also get the IFCSlab IFCObjectType.
To identify these compon ents as landings, you can use the
Predefined Type = Landing additional attribute.
– IFCStair : stair or stair flight; can be a single component or
composed of a number of constituent parts (step, stringer,
landing, railing, …).
– IFCStairFlight : continuous straight stair flight. As with ramps,
you should avoid using the Flight type definition for stairs.
Instead, use the more general definition.
BIM Compendium BIM in Practice 115
– IFCWall : wall
– IFCWallStandardCase : single -layer wall component of basic
geometry. You should avoid using the Standar dCase IFC type
definition. Instead, use the more general definition. The shape
and structure are defined by the geometry and additional
attributes.
Allplan provides an appropriate tool for each of these objects. We
strongly recommend that you create each o bject using the
appropriate tool. When you assign an IFC object type to an
ordinary 3D solid, this solid gets the corresponding type in the
IFC file; however, this does not change its function in Allplan
itself. In Allplan , it is still an ordinary solid or a user -defined
architectural element and the options you have are limited to
those provided for 3D solids or user -defined architectural
elements.
• Finish elements and surfaces:
– IFCCovering : covering, lining, finish; should always interact
with a room or a superordinate element of the unfinished
structure.
– IFCCurtainWall : curtain wall or facade in general. Here, the
decisive factor is that the object is an object of the building
envelope.
– IFCDoor : door, French door. Normally, this object is not an
independe nt object. Instead, an opening element (IFCOpening)
connects this object with the component in which the door is inserted. As an alternative, this object can be part of an object
group, which is usually a facade. You can use the FillsVoid or
Decomposed relation to define how the objects interact.
– IFCFurnishingElement : furnishings, equipment, furniture; can
be movable or fixed and should always belong to a room.
– IFCRailing : railing, safety fence, guard rail
– IFCSpace : room
– IFCTransportElement : transport eleme nt that does not (yet)
have its own IFCObjectType, such as elevators or escalators.
116 Creating the model Allplan
– IFCWindow : window. Like a door, this object is usually not
an independent object. Instead, an opening element
(IFCOpening) connects this object with the component in
which the window is inserted. As an alternative, this object
can be part of an object group, which is usually a facade or
glass construction. You can use the FillsVoid or Decomposed
relation to define how the objects interact.
Here, too, Allplan provides an app ropriate tool for each of these
objects. We strongly recommend that you create each object
using the appropriate tool. As far as windows and doors are
concerned, it is completely irrelevant whether you use smart
symbols or SmartParts.
• Engineering elements :
– IFCReinforcingBar : bar reinforcement
– IFCReinforcingMesh : mesh reinforcement
When creating engineering elements, that is to say reinforcement, you define various boundary conditions, specifications and
properties automatically by selecting the bending shape, cross –
section catalog and so on. Here, assigning object attributes is not
so important. Therefore, you should only model engineering
elements freely if you cannot create the shape you need in any
other way.
• Elements helping you structure the data with in the IFC schema:
– IFCBuilding : building, building as a whole
– IFCBuildingStorey : story, floor
– IFCSite : site, plot
You should not assign IFCBuilding, IFCSite and
IFCBuildingStorey to objects even though these types are
presented for selection and Allplan provides objects in the Urban
Planning module that would match these types. However, these
types are used only for the structural levels within the IFC
definitions and specifications; they do not (yet) represent discrete
elements.
BIM Compendium BIM in Practice 117
• Elements and objects for technical building equipment (MEP) and
for creating systems that can transport, distribute and store gas,
water and energy:
– IFCDiscreteAccessory : independent MEP component that is
not installed in any superordinate object
– IFCDistributionChamberElement : exca vation, manhole or
entrance hatch for checking and maintaining plenum spaces
and shafts
– IFCElectricalElement : constituent or element for energy
supply, primarily electricity. As this is an all- purpose type
definition, you should not use it any longer. Instead, use the
more precise definitions that exist by now.
– IFCEnergyConversionDevice : system or device for converting
energy, for example, a heat exchanger
– IFCFastener : fastener or mounting for all sorts of elements
transporting gas, water and energy
– IFCFlow Controller : flow controller
– IFCFlowFitting: pipe socket, connecting piece
– IFCFlowMovingDevice : system for transporting gas, water
and energy
– IFCFlowSegment : piping part, segment or elbow
– IFCFlowStorageDevice : tank, device for storing liquids or
gases
– IFCFlowTerminal : piece at the start or end of a system for
transporting gas, water and energy; clamp, holder, fastener,
shut-off
– IFCFlowTreatmentDevice : system for water treatment
– IFCMechanicalFastener : automatic fastener, shut -off
Allplan provides an extra mod ule you can use to create systems
for heating, ventilation, sanitary facilities and electrical installations with all necessary components. However, most users
work with their own MEP programs. Therefore, users only assign
an object type of this kind if a 3D object within the building
model requires a precisely defined MEP function.
118 Creating the model Allplan
• More general and superordinate object definitions:
– IFCBuildingElementPar t: constituent of a main component
– IFCBuildingElementProxy: substitute for a component; used
if the comp onent does not (yet) have its own definition in the
IFC schema
– IFCDistributionElement : any element that transports or
distributes gas, water and energy; that is to say, all MEP
elements
– IFCElementAssembly : element group, component made up of
constituent pa rts; is described more precisely by the is
decomposed by FC definition.
– IFCEquipmentElement : infrastructure element, equipment
or equipment part, fixture. You should not use the Equipment
type definition any longer. Instead, define the equipment
object more precisely.
– IFCMember : bar-shaped, linear component in any position; it
often has a load -bearing function within the building model.
You should use this all -purpose type definition only if there is
no definition that matches the object exactly.
– IFCOpenin gElement : component opening in general; it is
defined as an opening or niche in the attributes; it always requires a superordinate object in which this opening is
inserted.
– IFCPlate : plate or disc; mostly planar component in any
position; it acts as a boun dary or it has a load- bearing
function within the building model. You should use this all –
purpose type definition only if there is no definition that
matches the object exactly.
– IFCProxy: universal substitute for all objects that do not (yet)
have their ow n definitions in the IFC schema and that cannot
be assigned to any class.
You should not use the IFCProxy definition. Instead, select the most suitable type definition in the list. The most general
definitions you can use are IFCBuildingElement for archite ctural
elements, IFCDistributionElement for MEP elements and
IFCElementAssembly for composite objects. You should always
think about whether it is useful to create independent objects and
model them in 3D.
BIM Compendium BIM in Practice 119
This is often not necessary, as you can attach p lenty of
information in the form of parameters and attributes to standard
components. In no way do BIM and IFC mean that you have to
individually model all components down to the last detail.
After having turned a 3D solid, smart symbol, SmartPart or user-
defined architectural element into a defined component by assigning
the corresponding IFCObjectType, you should give this component
the necessary properties and information provided by the IAI and
buildingSMART. These properties are combined in a property
package (PSet Common), which is explained in detail in the
'Attributes and properties' section that follows. You can find a list of
minimum requirements for each type in the 'Elements and attributes'
chapter. In addition, the appendix of this book provides an overview
in table format.
Attributes and properties
Attributes and the Object Manager module are powerful and
extensive tools in Allplan . Using attributes, you can attach details
and values to any object in your drawing. These data c an then be
analyzed in various ways, transferred to other programs for further
editing or displayed on screen, in layouts and in drawings. We
recommend that you study these tools and options so that you can
work with the full scope of features provided by Allplan .
120 Creating the model Allplan
Regarding BIM and the BIM model, attributes are particularly
important. Attributes are one of the core aspects of BIM's underlying
methods and ideas. BIM does not work without attributes; so there is
no way around attributes. Allplan can neither transfer nor analyze
any information or value that is not defined in the object geometry
or as an attribute. Consequently, these details cannot be used by the
other project participants in the BIM proce ss.
Allplan comes with an extensive set of attributes arranged in groups.
The most important attributes are the Name, Function , Material and
Component ID . In addition, there are the geometric values of the
object. These values are also saved as attributes . Other attributes
include component -specific values and module -specific values
(glazing area, reinforcement percentage, occupancy type …).
Numerous attributes, such as name or material, belong to a number
of different attribute groups. However, each att ribute is defined just
once. This definition is accessed by all groups. Therefore, the group
from which you select the attribute is irrelevant when it comes to
transferring the data.
If you require special attributes, you can create these attributes as
user-defined attributes in addition to the default attributes
provided. You can also arrange your own attributes in groups.
Note: Regardless of their name, user -defined attributes are not
transferred as IFC attributes. They are combined in a separate attribut e set called Allplan attributes .
Whether default attributes are transferred as Allplan attributes or as
IFC attributes does not depend on the attribute group to which they
belong. What counts is whether the attribute you use is in the
PropertySet of the el ement and whether the program can find a
corresponding assignment.
Using Allplan 2017 , you can control automatic attribute assignment
for the first time ever by creating an assignment file with a text editor. However, this should be done only by CAD admini strators
and experienced Allplan users with in -depth program knowledge
who are familiar with text editors. You can find detailed information
in ‘Attribute mapping ‘ (see page 131).
BIM Compendium BIM in Practice 121
Assigning attributes
Allplan provides three different options you can use to give objects
the necessary attributes and properties as well as any other
information you want to transfer:
• You can use the
Assign, Modify Object Attributes ,
Transfer, Delete Object Attributes and
Assign Attributes
to Elements tools in the Object Manager module you can find in
the Bonus Tools family.
• You can use the
Assign, Modify Object Attributes tool on the
shortcut me nu, which you can open by right -clicking the element
in question.
• You can click the Attributes button in the properties of the
element in question. You can find this button in the dialog boxes
of most architectural elements (room, wall, …).
122 Creating the model Allplan
In the list that opens, you can change values of attributes, add
further information and delete entries you no longer need.
Some attributes belong to the component definition itself. Therefore,
you cannot delete them. The geometric values (length, height, …) and
internal Allplan characteristics (component ID) come from the
element's pro perties; so you cannot change these values in the
attribute dialog box. Consequently, the corresponding entries are
grayed out in the list. Sometimes, you have a long list of attributes,
in particular with advanced BIM models. To avoid confusion, you
can h ide these values using the Show, hide fixed geometric
attributes and Show, hide Allplan default attributes icons. As a
result, you can see only the entries you can change or delete.
To create an IFC building model that complies with the regulations
specifi ed by buildingSMART and IAI, you must give each
architectural element a minimum of particular properties and
attributes that are defined in the corresponding property package
(PSet Common). The minimum geometric values required are
referred to as base quan tities. The minimum requirements vary from
element to element.
BIM Compendium BIM in Practice 123
In addition, there are interactions with other components, such as
superordinate objects, subordinate objects and adjacent objects.
These interactions are referred to as relations . Like most ge ometric
values, relations will be created and calculated automatically.
Relations reflect the hierarchy in Allplan , where you can find
PARENT (superordinate) and CHILD (subordinate) elements.
For example, the wall is the PARENT of an opening, whereas the
opening is the CHILD of the wall. On the other hand, the wall is not
the PARENT of a smart window symbol. Instead, the opening symbol
is its PARENT, and the smart window symbol is the CHILD of this
opening symbol.
Creating your own attributes
The attributes that come with Allplan are usually not enough to
cover all your needs, in particular with regard to BIM and the BIM model. Therefore, you can create user -defined attribute defi nitions
and assign these user -defined attributes to objects. Before you start,
you should discuss this topic with your planning partners. In
particular, you should decide how many attributes you want to
124 Creati ng the model Allplan
create and how to name the attributes. In addition, y ou should agree
on the attribute type, ensuring consistency. We recommend creating
a project -specific attribute list (for example, in Excel). Keep and
maintain this list throughout the project, making sure it is always up
to date.
To define new attributes in Allplan , you can use the
Assign,
Modify Object Attributes tool. Click New attribute to open the
dialog box for selecting attributes. In the Attribute group area on
the left, select the category to w hich you want to add the new
attribute. Usually, this is the User category. Then click New attribute
again to define the new attribute in detail. You can define the following parameters for the new attribute:
• Enter a meaningful Name for the attribute. Allp lan distinguishes
between small letters and capital letters. Make sure you enter the
name correctly.
• Select the Attribute type . You can choose between Text ,
Floating- point number , Integer and Date. Text is an all- purpose
format, because you can use it to e nter both letters and numbers.
However, you cannot use text attributes in calculations.
• Select the Input type , controlling the values of the attribute.
Apart from the general input type, you can select ComboBox
with entries , ComboBox without entries and CheckBox . With a
ComboBox , you create a dropdown list whose contents are either
predefined and fixed (without entries) or user- definable (with
entries). A CheckBox limits input to Yes or No.
• Specify the Text length, limiting the number of characters to the
value you enter here. Any additional characters will be cut off.
• If you select a number format for the attribute type, you can set
the Unit. This is important for geometric values.
• Specify the Proposed value . This is the default value the program
uses when you assign this attribute to an object. In addition, you
define the entries for the ComboBox . These are the entries Allplan
presents for selection in the dropdown list.
• If you select a number format for the attribute type, you can limit the value range by defining a Minimum value and a Maximum
value .
• If you want, you can define the Input method, which is similar to
the input type.
BIM Compendium BIM in Practice 125
Click OK to confirm the settings. Now you are back in the Attribute
Selection dialog box. Allplan lists the new attribute with the other
user-defined attributes. You can now assign this new attribute to any
object.
Modifying attributes
If you want to modify an attribute, the procedure is almost exactly
the same as for creating a new attribute. However, there are two
points you must keep in mind:
• You can change only attributes you defined yourself. Attributes
in the Allplan default folder cannot be modified. As user -defined
attributes are in the o ffice standard, modifying them requires
administrator privileges (provided you are running Workgroup Manager).
• Each attribute is identified by its name and attribute number ,
which is internally assigned by Allplan . If you rename an
attribute (later), Allplan lists this attribute with its new name in
the attribute list of the objects to which you have already
assigned this attribute.
To change an attribute, select the attribute whose parameters you
want to modify on the right side in the selection dialog box . Then
click Modify attribute . The dialog box with the parameters opens.
You can now change the parameters. However, bear in mind that
changing the type or unit may cause Allplan to interpret the values
126 Creating the model Allplan
of assignments differently or incorrectly. Therefore, we recommend
modifying attributes as little as possible. It is worth spending time
carefully thinking about the type and values of an attribute before
you define it. So you do not have to modify it later.
In addition, you should check the attribute list t ime and again,
deleting incorrect attributes or attributes you no longer require. To
do this, select the attribute you want to delete on the right side in the
selection dialog box. Then click Remove attribute . This deletes the
attribute not only from the l ist but also from the attribute set of all
objects to which you assigned this attribute.
Note: As opposed to the New attribute and Remove attribute icons,
the + and X icons create and delete entire attribute groups
respectively. Remember: You can delete and modify only groups you created yourself. Groups in the Allplan default folder cannot be
deleted or modified. If you have selected a default group, the two
icons are grayed out.
Working with attri bute favorites
The more sophisticated and detailed your BIM model, the more
extensive the values and parameters of the objects in the BIM model.
Normally, every component group (wall, roof, room, …) has a set of
particular at tributes that are always the same. These attributes result
from the default values generated automatically, from the definitions (PSets) based on the regulations specified by buildingSMART and
from project -specific or office- specific characteristics. Instead of
compiling these attributes from scratch each time, you can work with
attribute favorites in Allplan . Using favorites, you can attach an
entire set of attributes to a component in one go. If you want, you
can even save values with favorites.
BIM Compendium BIM in Practice 127
When crea ting the elements of your building model, you should give
them a minimum set of attributes, making sure all important details
are transferred. You can find detailed information on these minimum
requirements in the following section. To do this, you can def ine a
favorite yourself or you can ask us to help you. We are glad to assist
you. If you know which attributes you require for the components in
your model, you can even add the relevant values to the favorite.
To create an attribute favorite , open the Att ribute Selection dialog
box or the
Assign Attributes to Elements tool. Using the New
attribute and Remove attribute icons, combine the required
attributes into the set you want to assign to a number of elements in
one go. You can select the attribute without specifying any values. If
you want, you can also define values at this stage. Of course, you
can change these values later. If you have completed the set of
attributes, save it by clicking
Save as a favorite at bottom left in
the dialog box.
If you want all employees in your office to access this favorite
independently of the project, save the favorite to the office standard
(STD folder). Otherwise, select the Favorites subfolder of the project .
Make sure you enter meaningful and unique names for the favorites,
in particular when you are saving component -specific sets of
attribute s. This is the only way to ensure that you can clearly
identify the favorites later. As with other resources and definitions,
saving attribute favorites requires corresponding privileges: the
administrator can save favorites to the office standard (STD) an d the
project standard. The project owner can use only the latter.
128 Creating the model Allplan
Favorites include only the attributes whose values you can change,
excluding fixed parameters and geometric values. Compared with
favorites for components or objects, attribute favorites ar e all-
purpose tools you can use across elements.
To apply favorites and thus assign the values to the components of
your BIM model, you can use the
Assign, Modify Object
Attributes or
Assign Attributes to Elements tool. You can also
open the Attribute dialog box on the shortcut menu . Click
Load
favorite at bottom left and select the se t of attributes you want to
use. You can attach all attributes in this set to the selected object or
you can use only some of the attributes you saved to the favorite.
Next, Allplan asks you what to do with the existing parameters. You
have two options:
• New Attributes : This option removes all parameters from the
element. This does not include parameters that are absolutely
necessary or generated automatically. As a result, the element
only has the attributes in the favorite.
• Add Attributes : This option reta ins the parameters of the element
even if these parameters are not absolutely necessary. As a result,
the element has the existing attributes plus the attributes in the
favorite.
BIM Compendium BIM in Practice 129
In addition to thes e two options, the result after assignment depends
on two other factors: whether the attribute status is active or
inactive in the favorite and whether a value is entered for the
attribute in the favorite. This applies to each attribute you saved to
the fa vorite. If you do not know these facts, you run the risk of
overwriting values inadvertently.
The New Attributes option has the following effects:
• Allplan removes all attributes that are not defined in the favorite
or that have the remove attribute status in the favorite.
• Allplan deletes the value of an attribute if this attribute is defined
and active in the favorite but does not have a value in the
favorite.
• Allplan overwrites the value of an attribute if this attribute is
active in the favorite and has a value in the favorite. This value
then replaces the old one.
• Allplan retains the attribute and its value if this attribute is defined in the favorite but not active, that is to say, this attribute
has the inactive status in the favorite.
The Add Attribute s option has the following effects:
• Allplan removes only the attributes that have the remove
attribute status in the favorite.
• Allplan overwrites the value of an attribute if this attribute is
active in the favorite and has a fixed value in the favorite.
• Allplan retains the attributes without changing anything if they
are not defined in the favorite or they have the inactive status in
the favorite.
• Allplan adds new attributes with the status defined in the
favorite.
If you use the
Assign Attributes to Elements or
Transfer,
Delete Object Attributes tool, you can check and change the settings
of the favorite before you apply it, thus making sure everything is
correct. So if you are not sure about the definitions in the favorite,
use one of these tools to check them. If you want to change
something, you can do this without any problems and save the
favorite again.
130 Creating the model Allplan
You may find it helpful to create a list of all your favorites with their
definitions. The attribute sets provided by us are based on the
minimum requirements specified by buildingSMART (PSets). The
necessary attributes in these se ts are set to inactive. So you do not
run the risk of overwriting values inadvertently. However, do not
forget to set these attributes to active before you save the attribute
dialog box.
Check list VII: Object attr ibutes (see page 249 )
BIM Compendium BIM in Practice 131
Attribute mapping
Allplan automatically assigns and transfers the attributes during
export to IFC. Allplan 2017 is the first version to let you control
attribute assignment, p rovided you use the Export IFC4 Data tool
(File menu – Export). To enable modification, we placed the
program -internal coding in special files:
Default_PropertyMap_Allplan_TO_IFC2x3.cfg or
Default_PropertyMap_Allplan_TO_IFC4.cfg
. You can find these files in the IFC subfolder in the ETC folder.
Which of the two files Allplan uses for export depends on the IFC
format you choose in the dialog box.
Contrary to its name, the Export IFC4 Data tool can transfer files in
IFC4 format and in IFC2x3 format.
Basic ap proach
Sometimes, it is necessary to change the default settings to meet
requirements of the client or BIM manager. However, you should not
change the settings in the original files. This is obvious when you
look at the f older: The ETC folder is a program folder; the data in
this folder will be updated and overwritten whenever you update Allplan. Moreover, the configuration files in the ETC \IFC folder are
system files, which should not be changed.
Instead of changing the o riginal files, you create additional
configuration files of similar structure in the USR user folder of
Allplan. During export, these files have a higher priority than the
default configuration files. Only the changed settings replace the
corresponding def ault assignments; all other settings are still based
on the default configurations in the ETC folder. So it is not necessary
to add all attributes to the user -defined file.
All you need to do is enter the entries you want to change. However,
the basic stru cture of the two files is the same. So you can copy the
default configuration files from the ETC \IFC folder to the USR user
folder. You can then rename and adjust the contents of the files in
the USR folder.
The predefined names of these files are
User_PropertyMap_Allplan_TO_IFC2x3.cfg or
User_PropertyMap_Allplan_TO_IFC4.cfg,
depending on the IFC format used.
132 Creating the model Allplan
Using user -specific files, you can control attribute assignment
during export in various ways:
• You can give attributes different assignments and thus names in
IFC. In doing so, you can assign an attribute to a predefined IFC
attribute, such as U -value or load-bearing, or you can enter any
name.
• You can assign attributes to a different PSet (property package).
In doing so, you can create a new set or refer to an existing set.
• You can exclude attributes from transfer.
• In the case of multilayer components, you can define the attributes of the layers as characteristic values of the overall
component. Allplan will then transfer only these values during
export to IFC.
You can combine all these different options in a file. So you do not
need to create separate files for renaming and selecting the attributes
for transfer.
Structure and contents of the file
Although the manner in which attributes are transferred and
assigned applies in part globally to all objects, it partially differs for
some components. Therefore, the mapping file has several sections.
The first section includes the assignments that do not refer to
components. This section is followed by a number of sections
defining how to transfer the components. There is a separate section
for each component with different or additional transfer settings.
You can create comments a bout entries. To do this, start the relevant
entry with a # character. Entries preceded by # will be skipped by
the program and interface during export. However, comments are
useful to the user, because they help the user understand the file
contents.
Each attribute assignment, whether global or object- specific,
corresponds to one line in the mapping file. The structure of each line in the mapping file is the same. The first section does not have a
heading; all other sections are preceded by a heading line consisting
of an @ character followed by the name of the component defined
in this section (wall, slab, column and so on). This name is
equivalent to the relevant IFC object type. This means that you can
define separate assignments for each type.
BIM Compendium BIM in Practice 133
In the case of multilayer components, you can use the heading line
to define the layer of which you want to transfer the attributes. If the
heading line does not include anything else, which is the default for
export, Allplan will transfer only the attributes tha t are assigned to
the superordinate component (container). Otherwise, you have to add
(Object Layer Attributes #x) to the heading line. The
layer count starts with 0. So if you want to transfer the attributes of
the second wall layer, the heading line shou ld look like this:
@Wall (Object Layer Attributes #1)
The mapping lines are structured as follows:
AllplanAttribute -> IFCPSet: IFCAttribute (IFCAttributeType)
• Each line starts with the Allplan attribute, which is identified by
its name or ATT_ID followed by the internal attribute number.
You can even combine these two options.
• The assignment arrow ( ->) is followed by the name of the
property package (PSet), where the attribute is to be placed
during export. You can use predefined default PSets or create
new PSets with names based on the Pset_xxx pattern.
• Then comes a colon (:) followed by the desired name of the
attribute in the IFC file. You can select the name of a predefined
default attribute or create a new attribute, which you can name
freely.
• Finally, you can define the attribute type more precisely in
brackets. To do this, use the names defined in the IFC
specifications. These names match the type definitions in Allplan;
the IFCLabel text attribute is the most general definition.
• If you want to exclud e an attribute from transfer, define the
mapping line as follows:
AllplanAttribute -> <NIL>
134 Creating the model Allplan
Use
After you have created a user -defined assignment file in this form,
you can use it for export. To do this, save this file to the Local
subfolder in the USR user folder of Allplan. Here, you do not need to
create an additional IFC subfolder.
As long as the assignment file is in the user folder (for example,
USR\local), Allplan will automatically use this file for IFC4
export. If you do not want to use this file, you can rename it or
move the file temporarily to a different folder. This way, you can
also switch between different assignment files for different export
operations.
If you want to exclude some entries within the file from t ransfer, you
can temporarily precede the lines you want to exclude with a #character. This defines the lines as comments. Consequently,
Allplan will ignore these lines when reading the file.
The same applies to incorrect entries, which do not make the whol e
file unreadable. Allplan simply skips incorrect lines.
Attribute mapping only applies to export. When importing an IFC file, Allplan transfers all properties and characteristic values of the
objects one -to-one. In doing so, Allplan creates additional use r-
specific attributes if this is necessary.
BIM Compendium BIM in Practice 135
Elements and attributes
The following chapter lists the required minimum attributes and
minimum geometric values for components. These attributes and
geometric values comply with the specifications and definitions
buildingSMART laid down for the current IFC4 release. In addition, you can find a selection of attributes and values that are commonly
used (based on the standards for IFC -compliant data exchange
specified by the US Army Corps of Engineers). The relations listed
result from the element position within the overall structure, which means that relations are not attributes as defined by Allplan.
Unfinished structure
Foundations, footing – IFCFooti ng
Foundation elements of various types and cross -sections created
with the corresponding tools (
Strip Foundation ,
Slab
Foundation ,
Block Foundation ).
• Geometric attributes – BaseQuantities
– Thickness – Width
– Length – Length
– Height – Height
– Gross base area – GrossFootprintArea
– Net base area – NetFootprintArea
– Gross volume – GrossVolume
– Net volume – NetVolume
136 Elements and attributes Allplan
• Element properties – Pset_FootingCommon
– Material – Material
– Foundation type – Reference
– Building alteration category – Status
• Element pro perties – Additional Properties
– Name of foundation – Name
As far as different foundation types are concerned, IFC only
differentiates between spread footing and deep footing; however, it
does not identify them as discrete element types. IFCFooting defines
spread footing; you can use the Reference attribute to specify and
transfer the foundation type.
Single -layer walls – IFCWallStandardCase
Single -layer walls of which the cross -section does not change.
Volume and surface are expo rted as swept solids.
• Associations – Relations
– Associated story in the building structure –
ContainedInStructure
– Openings – VoidsElements
– Connecting elements – Connections
• Geometric attributes – BaseQuantities
– Thickness – Width
– Length – Length
– Height – Height
– Area – Area
– Volume – Volume
BIM Compendium BIM i n Practice 137
• Element properties – Pset_WallCommon
– Exterior wall or interior wall – IsExternal
– Room -high – ExtendedToStructure
– Building alteration category – Status
– U-value – ThermalTran smittance
– Structure_load -bearing – LoadBearing
– Fire resistance classification – FireRating
– Inflammable – Combustible
– Fire behavior – SurfaceSpreadOfFlame
– Sound transmission class – AcousticRating
– Defining fire compartment – Compartmentation
• Element properties – Additional Properties
– Name of wall – Name
– Function – LongName
– Material – Material
– Flammability rating – Flammability
As laid down by buildingSMART, you should not use the
StandardCase type. Instead, replace it with the more general type
definition.
Walls in general – IFCWall
Multi- layer walls, walls of complex geometry and walls of which the
dimensions change.
138 Elements and attributes Allplan
• Associations – Relations
– Associated story in the building structure –
ContainedInStructure
– Openings – VoidsElements
– Connecting elements – Connections
• Geometric attributes – BaseQuantities
– Thickness – Width
– Length – Length
– Height – Height
– Area – Area
– Volume – Volume
• Element properties – Pset_WallCommon
– Exterior wall or interior w all – IsExternal
– Room -high – ExtendedToStructure
– Building alteration category – Status
– U-value – ThermalTransmittance
– Structure_load -bearing – LoadBearing
– Fire resistance classification – FireRating
– Inflammable – Combustible
– Fire behavior – SurfaceSpreadOfFlame
– Sound transmission class – AcousticRating
– Defining fire compartment – Compartmentation
• Element properties – Additional Properties
– Name of wall – Name
– Function – LongName
– Material – Material
– Flammability rating – Flammability
The material of multi -layer walls is transferred separately for each
layer. You must assign the element properties of the PSet to the wall
as a whole. Otherwise, the data may not be transferred correctly.
BIM Compendium BIM in Practice 139
Downstand beams and upstand beams – IFCBeam
Elements created with the
Downstand Beam, Upstand Beam tool
in the Basic: Walls, Openings, Components module or with the
Rafters ,
Beam ,
Roof Beam tools in the Frame
Construction module.
• Associations – Relations
– Associated story in the building structure –
ContainedInStructure
– Openings – VoidsElements
• Geometric attributes – BaseQuantities
– Length – Length
– Cross- sectional area – CrossSectionArea
– Surface (unfolded) – OuterSurfaceArea
– Volume – Volume
• Element properties – Pset_BeamCommon
– Exterior component or interior component – IsExternal
– Structure_load -bearing – LoadBearing
– U-value – ThermalTransmittance
140 Elements and attributes Allplan
– Fire resistance classification – FireRating
– Inclination – Slope
– Span – Span
– Tilt angle – Roll
– Beam type – Reference
– Building alteration category – Status
• Element properties – Additional Properties
– Name of (downstand) beam – Name
– Function – LongName
– Material – Material
Columns, pillars – IFCColumn
Architectural components created with the
Column tool. These
components are usually vertical. If you use the Post tool instead, you
must manually assign the Column IFCObjectType.
• Associations – Relations
– Associated story in the building structure –
ContainedInStructure
– Openings – VoidsElements
• Geometric attributes – BaseQuantities
– Height – Length
– Cross- sectional area – CrossSectionArea
– Surface (unfolded) – OuterSurfaceArea
– Volume – Volume
BIM Compendium BIM in Practice 141
• Element properties – Pset_ColumnCommon
– Exterior compone nt or interior component – IsExternal
– Structure_load -bearing – LoadBearing
– Fire resistance classification – FireRating
– U-value – ThermalTransmittance
– Column type – Reference
– Building alteration category – Status
– Inclination – Slope
– Tilt angle – Roll
• Eleme nt properties – Additional Properties
– Name of column – Name
– Function – LongName
– Material – Material
Slabs, floor slabs – IFCSlab
Single -layer elements created with the
Slab tool. Excepti ons are
landings of ramps and stairs, which also get the Slab IFCObjectType.
To identify these components as landings, you can use the
PredefinedType = Landing additional attribute.
• Associations – Relation s
– Associated story in the building structure –
ContainedInStructure
– Openings – VoidsElements
• Geometric attributes – BaseQuantities
– Thickness – Width
– Area – SideArea
– Volume – Volume
142 Elements and attributes Allplan
• Element properties – Pset_SlabCommon
– Exterior slab or interior slab – IsExternal
– Structure_load -bearing – LoadBearing
– Slab type – Reference
– Building alteration category – Status
– Fire resistance classification – FireRating
– Inflammable – Combustible
– Fire behavior – SurfaceSpreadOfFlame
– Inclination – Slope/PitchAngel
– Sound transmis sion class – AcousticRating
– Defining fire compartment – Compartmentation
– U-value – ThermalTransmittance
• Element properties – Additional Properties
– Name of slab – Name
– Function – LongName
– Material – Material
– Production year – ProductionYear
– Concrete grade – ConcreteDensity
The material specified does not refer to the element as a whole.
Instead, the material will be transferred for the slab layer even
though you can create slabs only as single -layer elements in Allplan
and the Slab IFCObjectType applies only to the load- bearing layer.
BIM Compendium BIM in Practice 143
Roofs – IFCRoof
Single -layer and multi- layer elements created with the
Roof
Covering tool.
• Associations – Relations
– Associated story in the building structure –
ContainedInStructure
– Openings – VoidsElements
• Geometric attributes – BaseQuantities
– Area – SurfaceArea
– Projected area – ProjectedArea
• Element properties – Pset_RoofCommon
– Roof type – Reference
– Building alteration category – Status
– Sound transmission class – AcousticRating
– U-value – ThermalTransmittance
– Exterior component or interior component – IsExternal
– Fire resistance classification – FireRating
• Element properties – Additional Properties
– Name of roo f – Name
– Function – LongName
– Solar installation – SolarPanel
Within the IFC schema, the Roof IFCObjectType mainly serves as a
container that includes the constituent parts of the roof (covering,
supporting structure, …).
144 Elements and attributes Allplan
Members – IFCMember
Linear, column -like or beam -like components in any position, which
are mainly created in the Frame Construction or 3D Modeling
module. Allplan does not provide a particular tool for creating
members. To assign this element type, use the IFCObjectType
attribute.
• Associations – Relations
– Associated story in the building structure –
ContainedInStructure
– Openings – VoidsElements
• Geometric attributes – BaseQuantities
– Height – Length
– Cross- sectional area – CrossSectionArea
– Surface – OuterSurfaceArea
– Volume – Volume
• Element properties – Pset_MemberCommon
– Exterior component or interior component – IsExternal
– Structure_load -bearing – LoadBearing
– Member type – Reference
– Building alteration category – Status
– U-value – ThermalTransmittance
– Fire resistance classification – FireRating
– Inclination – Slope
– Span – Span
– Tilt angle – Roll
• Element properties – Additional Properties
– Name of member – Name
– Function – LongName
BIM Compendium BIM in Practice 145
Plates, discs – IFCPlate
Planar, single -layer or multi -layer components in any position.
Allplan does not provide a particular tool for creating plates. You
can use the tools in the 3D Modeling module and the
User-
Defined Archit. Element and
Slab tools in the modules in the Architecture family. To assign
this element type, use the IFCObjectType attribute.
• Associations – Relations
– Associated story in the building structure –
ContainedInStructure
– Openings – VoidsElements
• Geometric attributes – BaseQuantities
– Thickness – Width
– Area – SideArea
– Volume – Volume
• Element properties – Pset_PlateCommon
– Exterior component or interior compone nt – IsExternal
– Structure_load -bearing – LoadBearing
– Plate type – Reference
– Building alteration category – Status
– Sound transmission class – AcousticRating
– Fire resistance classification – FireRating
– U-value – ThermalTransmittance
• Element properties – Additional Properties
– Name of plate – Name
– Function – LongName
146 Elements and attributes Allplan
Stairs – IFCStair
Freeform components created with the tools in the
Stairs module.
You can create a stair as a single compon ent or use a number of
constituent parts (step, stringer, landing, railing, …). If you create the
stair from a number of constituent parts, the IFCObjectType and the
attributes will be assigned to the superordinate object acting as a
container .
• Associations – Relations
– Associated story in the building structure –
ContainedInStructure
• Geometric attributes – BaseQuantities
– Length – Length
– Volume – Volume
• Element properties – Pset_StairCommon
– Number of rise rs – NumberOfRiser
– Number of treads – NumberOfTreads
– Rise – RiserHeight
– Tread run – NumberOfTreads
– Nosing – NosingLength
– Offset of walking line – WalkingLineOffset
– Minimum tread length on the inside –
TreadLengthAtInnerSide
– Tread length at offset – TreadLe ngthAtOffset
– Minimum thickness of stair flight – WaistThickness
– Exterior stair or interior stair – IsExternal
– Stair type – Reference
BIM Compendium BIM in Practice 147
– Building alteration category – Status
– Escape route – FireExit
– Suitable for the disabled – HandicapAccessible
– Fire resistanc e classification – FireRating
– Clearance required – RequiredHeadroom
– Skidproof – HasNonSkidSurface
• Element properties – Additional Properties
– Name of stair – Name
– Function – LongName
Ramps – IFCRamp
Ramp -shaped components created with the
Straight Ramp or
Spiral Ramp tool or with any other tool (stair, slab, 3D modeling)
you can use to enter a ramp -shaped outline. The ram p element type
will not be assigned automatically. You have do this manually using
the IFCObjectType attribute. You can create a ramp as a single
component or use a number of constituent parts (flight, landing,
railing, …). If you create the ramp from a number of constituent
parts, the general attributes will be assigned to the superordinate
object acting as a container .
• Associations – Relations
– Associated story in the building structure –
ContainedInStru cture
• Geometric attributes – BaseQuantities
– Length – Length
– Area – SurfaceArea
– Volume – Volume
148 Elements and attribu tes Allplan
• Element properties – Pset_RampCommon
– Exterior ramp or interior ramp – IsExternal
– Ramp type – Reference
– Building alteration category – Status
– Escape route – FireExit
– Skidproof – HasNonSkidSurface
– Suitable for the disabled – HandicapAccessible
– Clearance required – RequiredHeadroom
– Inclination required – RequiredSlope
– Fire resistance classification – FireRating
– Height – Height
– Diameter – Diameter
– Inclination – Slope
• Element properties – Additional Properties
– Name of ramp – Name
– Function – LongName
BIM Compendium BIM in Practice 149
Bar reinforcement – IFCReinforcingBar
Reinforcing bar elements and placements created with the tools in
the
Bar Reinforcement module in the Engineering family. As an
alternative, you can use SmartParts you can take from the library
(Default – Engineering – Concrete – …). If you use SmartParts, you
must assign the appropriate IFCObjectType to the component using
the
Assign, Modify Object Attributes tool. Bar reinforcement
automatically gets the correct object type.
• Associations – Relations
– Associated story in the building structure –
ContainedInStructure
• Geometric attributes – BaseQuantities
– Diameter – NominalDiameter
– Cross- sectional area – CrossSectionArea
– Bar length – BarLength
– Bar surface – BarSurface
150 Elements and attributes Allplan
• Element properties – Allplan_ReinforcingBar
– Standard – ShapeCode
– Bending pin diameter – BendingDiameter
– Hook length – HookLength
– Hook angle – HookAngle
– Hooke, bending pin diameter – HookBendingDiameter
– Weight per meter – WeightPerMeter
– Number of pieces – CountOfBars
• Element prope rties – Additional Properties
– Name of bar reinforcement – Name
– Steel grade – Material
As opposed to the other components, you do not need to enter the
properties and details you want to transfer for bar reinforcement
using the
Assign, Modify Object Attributes tool. Instead, Allplan
calculates the data directly from the geometry or enters these details
as (necessary) properties during placement. The material is the only
exception. You can specify the mat erial on the Tools menu – Options
– Reinforcement – Steel grade .
BIM Compendium BIM in Practice 151
Mesh reinforcement – IFCReinforcingMesh
Mesh placements, edge reinforcement and support reinforcement
created with the tools in the
Mesh Reinforcement module in t he
Engineering family.
• Associations – Relations
– Associated story in the building structure –
ContainedInStructure
• Geometric attributes – BaseQuantities
– Mesh width – MeshWidth
– Mesh length – MeshL ength
– Transverse overlap – CrossOverlapping
– Longitudinal overlap – LongitudinalOverlapping
• Element properties – Allplan_ReinforcingMesh
– Mesh type – PredefinedTyp
– Standard – ShapeCode
– Longitudinal bar diameter – LongitudinalBarNominalDiameter
– Cross bar diam eter – TransverseBarNominalDiameter
– Cross- sectional area of longitudinal bar –
LongitudinalBarCrossSection Area
– Cross- sectional area of cross bar –
TransverseBarCrossSectionArea
152 Elements and attributes Allplan
– Longitudinal bar spacing – LongitudinalBarSpacing
– Cross bar spacing – Transver seBarSpacing
Additional attributes for non -planar placements:
– Code of bending pin – BendingShapeCode
– Bending pin properties – BendingParameters
• Element properties – Additional Properties
– Name of mesh – Name
– Steel grade – Material
– Mesh weight – WeightOfMesh
Like bar reinforcement, mesh reinforcement takes its properties and
details from the geometry or from the mesh type and placing
parameters. You do not need to define these properties using the
Assign , Modify Object Attributes tool.
Finish
Within the IFC schema and its structures, building finishes are
defined as secondary objects that do not belong to the (load- bearing)
structure. Building finishes include not only furnishings in the
classic sense, but also windows, glass facades and MEP elements.
Windows – IFCWindow
Elements created and inserted in window openings using the
Smart Window and Door Symbols ,
Window SmartPart or
Smart Symbol tool. These elements can also be constituent parts
of a facade. French doors are created as doors in Allplan ; thus, they
will not be transferred as windows. When you insert a window
opening in a wall or a roof, the window opening acts only as a
connection to the superordinate element; the inserted smart symbol
or SmartPart gets the attributes. When you integrate an opening in a
facade, the facade acts as a container; the relevant group defines
how the elements interact.
For each opening you create using the
Window or Skylight tool,
Allplan creates an opening object with information on the
dimensions, the position within and the connection to the
superordinate component. In Allplan , these opening objects are not
visible as elements but as recesses in the superordinate element.
BIM Compendium BIM in Practice 153
• Associations – Relations
– Associated story in the building structure –
ContainedInStructure
– Inserted in wall – FillsVoids (via OpeningElement)
– Constituent of a facade – Decomposed
• Geometric attributes – BaseQuantities OpeningElement
– Height – Height
– Width – Width/Length
– Area – NominalArea
– Perimeter – Perimeter
• Element properties – Pset_WindowCommon
– Exterior component or interior component – IsExternal
– U-value – ThermalTransmittance
– Fire resistance classification – FireRating
– Safety category – SecurityRating
– Window type – Reference
– Building alteration category – Status
– Sound transmission class – AcousticRating
– Smoke protection – SmokeStop
– Air permeability – Infiltration
– Window sill on the outside – HasSillExternal
– Window sill on the inside – HasSillInternal
– Automatic drive – HasDrive
– Emergency exit – FireExit
– Glass content – GlazingAreaFraction
154 Elements and attributes Allplan
• Glass properties – Pset_DoorWindowGlazingType
– Number of panes – GlassLayers
– Gas filling – FillGas
– Glass color – GlasColor
– Tempered – IsTempered
– Laminated – IsLaminated
– Coated – IsCoated
– Wire glass – IsWired
– Light reflectance value – VisibleLightReflectance
– Luminous transmission – VisibleLightTransmittance
– Absorption factor for solar radiation – SolarAbsorption
– Reflection factor for solar radiation – SolarReflectance
– Transmittance factor for solar radiation – SolarTransmittance
– Total energy transmittance – SolarHeatGainTransmittance
– U-value for summer/winter – ThermalTransmittanceSummer/
Winter
– Shadow – ShadingCoefficient
• Manufacturer's information – Pset_Manu facturerTypeInformation
– Article_ number – ArticleNumber
– EAN, bar code – GlobalTradeItemNumber
– Model number – ModelReference
– Model name – ModelLabel
– Producer – Manufacturer
– Production year – ProductionYear
– Installation site – AssemblyPlace
• Element properties – Additional Properties
– Name of window – Name
– Function – LongName
– Type – ConstructionType
All window properties and glazing properties are part of the smart
symbol or SmartPart; the opening itself does not have any attributes.
During transfer, the program creates the opening object as an
IFCOpeningElement in addition to the smart symbol or SmartPart.
However, the opening object is not visible. It connects the elements,
that is, the component, opening, opening object and the smart
symbol or SmartPart. The o pening object and its dimensions define
BIM Compendium BIM in Practice 155
the geometric attributes (BaseQuantities) and the position within the
component.
Doors – IFCDoor
Elements created and inserted in door openings using the
Smart Window and Door Symbols ,
Door SmartPart or
Smart Symbol tool. These elements can also be constituent parts
of a facade. Fr ench doors will also be transferred, as they are created
as doors in Allplan . The door opening acts only as a connection to
the superordinate element; the inserted smart symbol or SmartPart
gets the attributes. When you integrate an opening in a facade, th e
facade acts as a container; the relevant group defines how the elements interact.
For each wall opening you create using the
Door tool, Allplan
creates an opening object with information on the dimensi ons of the
door, the position within and the connection to the superordinate
component. These opening objects are not independent elements, but they are visible as recesses in the superordinate element.
• Associations – Relations
– Associated story in the building structure –
ContainedInStructure
– Inserted in wall – FillsVoids (via OpeningElement)
• Geometric attributes – BaseQuantities OpeningElement
– Height – Height
– Width – Width/Length
– Area – NominalArea
– Perimet er – Perimeter
156 Elements and attributes Allplan
• Element properties – Pset_DoorCommon
– Exterior component or interior component – IsExternal
– U-value – ThermalTransmittance
– Fire resistance classification – FireRating
– Safety category – SecurityRating
– Sound transmission class – AcousticRating
– Wear rating – DurabilityRating
– Climate class – HygrothermalRating
– Air permeability – Infiltration
– Door type – Reference
– Building alteration category – Status
– Suitable for the disabled – HandicapAccessible
– Emergency exit – FireExit
– Automatic drive – HasDri ve
– Self-closing – SelfClosing
– Proportion of glazing – GlazingAreaFraction
– Sound transmission class – AcousticRating
– Smoke protection – SmokeStop
• Glass properties – Pset_DoorWindowGlazingType
– Number of panes – GlassLayers
– Gas filling – FillGas
– Glass color – GlasColor
– Tempered – IsTempered
– Laminated – IsLaminated
– Coated – IsCoated
– Wire glass – IsWired
– Light reflectance value – VisibleLightReflectance
– Luminous transmission – VisibleLightTransmittance
– Absorption factor for solar radiation – SolarAbsorption
– Reflection factor for solar radiation – SolarReflectance
– Transmittance factor for solar radiation – SolarTransmittance
– Total energy transmittance – SolarHeatGainTransmittance
BIM Compendium BIM in Practice 157
– U-value for summer/winter – ThermalTransmittanceSummer/
Winter
– Shading – ShadingCoefficient
• Manufacturer's information – Pset_ManufacturerTypeInformation
– Article_number – ArticleNumber
– EAN, bar code – GlobalTradeItemNumber
– Model number – ModelReference
– Model name – ModelLabel
– Producer – Manufacturer
– Production year – ProductionYear
– Instal lation site – AssemblyPlace
• Element properties – Additional Properties
– Name of door – Name
– Function – LongName
– Type – ConstructionType
– Door swing – OperationType
All door properties and glazing properties are part of the smart
symbol or SmartPart; the opening itself does not have any attributes.
During transfer, the program creates the opening object as an
IFCOpeningElement in addition to the smart symbol or SmartPart.
However, the opening object is not visible. It connects the elements,
that is, the compon ent, opening, opening object and the smart
symbol or SmartPart. The opening object defines the geometric
attributes of the door opening (BaseQuantities) and its position
within the component.
158 Elements and attributes Allplan
Facades – IFCCurtainWall
Vertical or inc lined elements modeled freely or created with the
Facade tool. In addition, these elements are part of the external
envelope delimiting the building. Facades are usually object groups
consisting of different components (mullion, transom, panel, …) that
are combined into a single component. Regardless of how you create
the facade, you must use the IFCObjectType attribute to assign the
facade element type to the component as a whole. Here, the facade
acts as a container .
• Associations – Relations
– Associated story in the building structure –
ContainedInStructure
• Geometric attributes – BaseQuantities
– Length – Length
– Height – Height
– Width/thickness – Width
– Area – Area
• Element properties – Pset_CurtainWallCommon
– Exterior component or interior component – IsExternal
– Fire behavior – SurfaceSpreadOfFlame
– Inflammable – Combustible
– U-value – ThermalTransmittance
– Facade type – Reference
– Building alteration category – Status
– Fire resistance classification – FireRating
– Sound transmission class – AcousticRating
BIM Compendium BIM in Practice 159
• Manufacturer's information – Pset_ManufacturerTypeInformation
– Article_number – ArticleNumber
– EAN, bar code – GlobalTradeItemNumber
– Mode l number – ModelReference
– Model name – ModelLabel
– Producer – Manufacturer
– Production year – ProductionYear
– Installation site – AssemblyPlace
• Element properties – Additional Properties
– Name of facade – Name
– Function – LongName
– Material – MaterialName
The
Facade tool assigns all facade properties and glazing
properties to the facade as a whole. If you model the facade freely,
you can combine the elements into a single element (smart symbol)
with all necessary attributes. If you transfer the elements
individually or as an element group, each single element gets the
required IFCObjectType attribute.
160 Elements and attributes Allplan
Coverings, linings – IFCCovering
Elements created within a
Room using the Finish tab or elements
created with the
Floor,
Ceiling or
Vertical Surface tool.
Although finishing surfaces are discrete objects within the IFC
schema, you should always use finishing surfaces in connection with
a room or superordinate component.
• Associations – Relations
– Associated story in the building structure –
ContainedInStructure
– Associated room – ContainedInSpace
• Geometric attributes – BaseQuantities
– Area – Area
• Element properties – Pset_CoveringCommon
– Fire resistance classification – FireRating
– Covering type – Reference
– Building alteration category – Status
– Flammability rating – FlammabilityRating
– Sound transmission class – AcousticRating
– Fragility – FragilityRating
– Fire behavior – SurfaceSpreadOfFlame
– Inflammable – Combustible
– U-value – ThermalTransmittance
– Quality of finish – Finish
BIM Compendium BIM in Practice 161
• Element properties – Additional Properties
– Name of covering – Name
– Function – LongName
– Material – Material
IFC does not differentiate between the different covering types as
separate element types. You can use t he reference attribute to specify
the type.
In the case of multi -layer coverings, the material and the layer
thickness will be transferred separately for each layer. In addition,
the total thickness of all layers will also be transferred.
The drawing file assignment and the geometric position define the
room to which the coverings belong. If the room and the coverings
are in the same drawing file and the finish element is within the
room geometry, the program will automatically assign the finish
element to this room, regardless of whether the finish element is
independent or part of the room definition.
Railings, fences – IFCRailing
Discrete elements modeled freely or created with the
Railing tool.
These elements act as a guardrail system, safety fence, handrail or
the like. The IFCRailing element type will not be assigned
automatically. You have to do this manually using the
IFCObjectType attribute. As an alternative, you can tran sfer railings
as constituent parts of a stair or ramp, provided the stair or ramp is
an object group and not a single element.
162 Elements and attributes Allplan
• Associations – Relations
– Associated story in the building structure –
ContainedInStructure
– Associated room – ContainedInSpace
• Geometric attributes – BaseQuantities
– Length – Length
– Area – Area
• Element properties – Pset_RailingCommon
– Exterior component or interior component – IsExternal
– Railing type – Reference
– Building alteratio n category – Status
– Height – Height
– Diameter – Diameter
• Element properties – Additional Properties
– Name of railing – Name
– Function – LongName
– Material – MaterialName
– Inclination – Slope
The
Railin g tool assigns all properties to the railing element as a
whole. When you model the railing freely, you can combine the
elements into a single element (smart symbol) with all necessary
attributes. But when you transfer the elements individually or as an element group, each individual element of the railing gets the
required IFCObjectType attribute.
BIM Compendium BIM in Practice 163
Furnishings, equipment – IFCFurnishingElement
These elements or element groups furnish a room. They can be
movable or fixed. You can take these objects from the folders of the
library and place them directly. As an alternative, you can model
these objects freely in 3D and combine them into a Smart Symbol or
SmartPart. In any case, you must use the IFCObjectType attribute to
define t he element as an equipment object.
• Associations – Relations
– Associated story in the building structure –
ContainedInStructure
– Associated room – Contai nedInSpace
• Geometric attributes – FurnishingQuantities
– Length – Length
– Thickness – Width
– Height – Height
164 Elements and attributes Allplan
• Element properties – Pset_FurnitureTypeCommon
– Description – Description
– Style – Style
– Nominal height – NominalHeight
– Nominal length – NominalLength
– Nominal depth – NominalDepth
– Primary color – MainColor
– Built-in/movable – IsBuiltIn
• Manufacturer's information – Pset_ManufacturerTypeInformation
– Article_number – ArticleNumber
– EAN, bar code – GlobalTradeItemNumber
– Producer – Manufacturer
– Production year – ProductionYear
– Model name – ModelLabel
– Model number – ModelReference
– Installation site – AssemblyPlace
• Element properties – Additional Properties
– Name of equipment element – Name
– Function – LongName
– Furniture type – Reference
– Classification key – ItemReference
The IFC schema does not provide separate object definitions for all
equipment objects. You should use the all -purpose IFCFurniture
object type, which will combine and replace the other definitions in
future. You can classify the object precisely within the object
attributes by assigning the appropriate PSet (for example,
PSetChairCommon) and the Reference attribute.
The room to which an equipment object belongs is defined by the
drawing file, the link and the geometric positions of the elements.
The program automatically assigns an equipment object to a room if
the object and the room are in the same drawing file, the object is
linked with the room (this can be defined in the properties) and the
object is within the room geometry.
BIM Compendium BIM in Practice 165
MEP
Allpla n provides its own tools for MEP planning (provided you have
purchased the Technical Building Equipment module). But when it
comes to defining these objects, users usually model only
placeholders to which they assign the appropriate IFCObjectType and
the necessary general properties using the Assign, Modify Object
Attributes tool. This considerably reduces the number of undefined
objects during transfer to IFC.
Below is a list of available object types. Basic information is only
included if it is defined by IFC.
• IFCDiscreteAccessory – discrete MEP component
• IFCDistributionChamberElement – inspection manhole,
excavation
– Type – Reference
– Building alteration category – Status
• IFCDistributionElement – HVAC compone nt in general
• IFCElectricalElement – element for energy supply
• IFCEnergyConversionDevice – energy converter
• IFCFastener – fastener, mounting
• IFCFlowController – flow controller
• IFCFlowFitting – connecting piece
• IFCFlowMovingDevice – piping system
• IFCFlowSe gment – piping part
166 Elements and attributes Allplan
• IFCFlowStorageDevice – tank, storage
• IFCFlowTerminal – start device or end device
• IFCFlowTreatmentDevice – filter, treatment element
• IFCMechanicalFastener – automatic fastener
• IFCTransportElement – transport element
– Type – Reference
– Building alteration category – Status
– Maximum number of persons – CapacityPeople
– Maximum weight – CapacityWeight
– Escape route – FireExit
In addition to the object type, you should enter a name as an
attribute. The program then transfers this name as the objec t name to
IFC.
BIM Compendium BIM in Practice 167
All-purpose elements
If you want to transfer objects and 3D solids as defined types to IFC
without knowing their exact functions or meanings, you can select
one of the all -purpose definitions from the list. You can also use this
all-purpose definition for an object that does not (yet) have its own
IFC object type.
The following list of available object types includes the required
basic information if it is defined by IFC.
• IFCBuildingElementPart – part of building element
• IFCBuildingElementProxy – any building element
– Component type – Reference
– Building alteration category – Status
– Exterior component or interior component – IsExternal
– Structure_load -bearing – LoadBearing
– U-value – ThermalTransmittance
– Fire resistance classification – FireRating
• IFCElementAssembly – element group
• IFCEquipmentElement – infrastructure element
168 Elements and attributes Allplan
• IFCOpeningElement – component opening
– Opening type – Reference
– Building alteration categor y – Status
– Function – Purpose
– Emergency exit – FireExit
– Protected opening (in case of fire) – ProtectedOpening
• IFCProxy – any object
To define the precise function of an all -purpose object, you should
use the Name attribute to assign an object name, which is included
in the transfer to IFC. The Function attribute allows you to define the
function precisely.
Rooms
Not being real objects, rooms are special cases in both the building
model and the IFC schema. Rooms belong neither to the building
finishes nor to the spatial hierarchy; instead, rooms are exactly
between these two categories.
Rooms – IFCSpace
Element with a freeform outline created with the
Room tool. This
element complies with the minimum height specified. In Allplan , a
room is always defined by its net area and volume. Any
(architectural) elements within the room geometry are subtracted if
they exceed the minimum size specified. The components that
enclose the roo m are ignored.
BIM Compendium BIM in Practice 169
• Associations – Relations
– Associated story in the building structure –
ContainedInStructure
• Geometric attributes – BaseQuantities
– Top level of finished floor – FinishFloorHeight
– Bottom level o f finished ceiling – FinishCeilingHeight
– Height of floor structure – ElevationWithFlooring
– Wall area – WallArea
– Perimeter – Perimeter
– Floor area – FloorArea
– Volume – Volume
– Cross- sectional area – CrossSectionArea
• Element properties – Pset_SpaceCommon
– Room type – Reference
– Exterior room or interior room – IsExternal
– Net area_planned – NetPlannedArea
– Base area_planned – GrossPlannedArea
– Suitable for the disabled – HandicapAccessible
– Publicly accessible – PubliclyAccessible
• Thermal requirements – Pset_SpaceThermalRequirements
– Temperature_min – SpaceTemperatureMin (summer/winter)
– Temperature_max – SpaceTemperatureMax (summer/winter)
– Humidity – SpaceHumidity
– Humidity_max – SpaceHumidityMax
– Humidity_min – SpaceHumidityMin
– Humidity_cooling – SpaceHumiditySummer
– Humidity_heating – SpaceHumidityWinter
– Natural ventilation – NaturalVentilation
– Natural air change rate – NaturalVentilationRate
– Mechanical air change rate – MechanicalVentilationRate
– Air-conditioned – AirConditioning
– Central air -conditioner – AirConditioningC entral
170 Elements and attributes Allplan
• Lighting requirements – Pset_SpaceLightingRequirements
– Artificial light – ArtificialLighting
– Illuminance – Illuminance
• Fire protection requirements – Pset_SpaceFireSafetyRequirements
– Fire hazard class – FireRiskFactor
– Storage of flammable goods – FlammableStorage
– Sprinkler protection – SprinklerProtection
– Automatic sprinkler protection –
SprinklerProtectionAutomatic
– Emergency exit – FireExit
– Air pressure equalization – AirPressurization
• Classification – IFC_ClassificationReference
– DIN277 occupancy t ype – ItemReference
– DIN277 area type – ClassificationName
• Element properties – Additional Properties
– Name – Name
– Function – LongName
Rooms will always be transferred as invisible elements to IFC.
Consequently, if you check the model in an IFC viewer after the
export, you can see neither rooms nor finishing coverings until you
explicitly select them using the appropriate dialog box.
Regardless of whether you create finish coverings of the
Room
using the r oom properties or the
Floor,
Vertical Surface or
Ceiling tool, the program always transfers finish coverings as
independent elements that are subordinate to the room. Therefore, you can show and hide finish coverings separately.
BIM Compendium BIM in Practice 171
Attributes of the hierarchic levels
If you want to exchange the data model via the IFC interface, you
must use the building structure with its structural levels to structure
the project hierarchically. Although Allplan offers tools for most
structural nodes, they are not suitable for creating and trans ferring
the data model. This applies to both export and import.
Elements you create in Allplan in the Urban Planning module using
the
Plot,
Buildi ng and
Floor Level tools and the
Story
tool in the Architecture – Rooms, Surfaces, Stories module do not
comply with IFC specifications. The inter face does not consider these
objects to be part of the model, thus excluding them from transfer.
This is to avoid errors in the data model and to keep the number of
undefined elements (proxies) to a minimum.
Rooms, which are the lowest level in the hierarc hy, are exceptions.
To create rooms in Allplan , you can use the
Room tool and
assign the associated properties and attribute values.
Make sure you use only the Site , Building and Story structural levels
of the building structure. To assign attributes to the structural nodes,
use the project attributes in the properties of the project, where you
can also specify values for the attributes and modify the attributes.
During transfer, these entries will automa tically be assigned to the
appropriate structural nodes.
172 Elements and attributes Allplan
Entering project information
In order to access the project settings, open the File menu and click
New Project, Open Project . Select the relevant project, open the
shortcut menu and choose Properties . Click the Assign attributes
button to open a dialog box listing all the attributes you can use for
a project. With BIM and IFC in mind, use the entries in the General ,
Construction project and Building information groups. Attributes in
any other group are neither applied to the structural levels nor
transferred to IFC.
Like the chapter about components, the foll owing section lists the
required minimum attributes for structural levels. These attributes correspond to the specifications buildingSMART laid down for the
current IFC4 release. In addition, you can find a selection of
attributes and values that are commo nly used (based on the
standards for IFC -compliant data exchange specified by the US Army
Corps of Engineers).
BIM Compendium BIM in Practice 173
Site – IFCSite
The site, which is below the project, represents the topmost structural
level in the building structure.
• Element properties – Pset_SiteCommon
– Site classification – Reference
– Gross area – TotalArea
– Site occupancy index – SiteCoverageRatio
– Floor area ratio – FloorAreaRatio
– Area available for building – BuildableArea
– Maximum height of building – BuildingHeightLimit
• Element properties – Additional Properties
– Project number – Name
– Project name – LongName
– Longitude – Longitude
– Latitude – Latitude
– Height above mean sea level – Elevation
– Construction project, addre ss – AddressLine
– Construction project, town – Town
– Construction project, region or state – Region
– Construction project, ZIP code – PostalCode
– Construction project, country – Country
174 Elements and attributes Allplan
Building – IFCBuilding
The building represents the se cond hierarchic level below the site. Do
not use the 'Structure' structural level.
• Element properties – Pset_BuildingCommon
– Building classification – Reference
– Construction method – Construction Method
– Fire-protection rating of building – FireProtectionClass
– Sprinkler protection – SprinklerProtection
– Automatic sprinkler protection –
SprinklerProtectionAutomatic
– Building type – OccupancyType
– Gross area, planned – GrossPlannedArea
– Net area, planned – NetPlannedArea
– Number of stories – NumberOfStoreys
– Building identifier – BuildingID
– Building identifier, permanent – IsPermanentID
– Year of construction – YearOfConstruction
– Last renovation – YearOfLastRefurbishment
– Landmarked – IsLandmarked
• Element prope rties – Additional Properties
– Project number – Name
– Project name – LongName
– Construction project, address – AddressLine
– Construction project, town – Town
– Construction project, region or state – Region
– Construction project, ZIP code – PostalCode
– Constructio n project, country – Country
BIM Compendium BIM in Practice 175
Story – IFCBuildingStorey
You can find the Story structural level below the building. The story
is the level that gets most drawing files.
• Element properties – Pset_BuildingStoreyCommon
– Story classification – Reference
– Gross area, planned – GrossPlannedArea
– Net area, planned – NetPlannedArea
– Entrance level – EntranceLevel
– Above ground – AboveGround
– Sprinkler protection – SprinklerProtection
– Automatic sprinkler protection –
SprinklerProtectionAutomatic
– Load- bearing capacity of floor slab – LoadBearingCapacity
• Element properties – Additional Properties
– Story number – Name
– Story name – LongName
– Story height – Height
The drawing file assignment within the building structure defines
how the (architectural) elements interact with the story, which is
referred to as relations in the IFC attribute specifications. During
transfer, the program automatically associates all elements in a
drawing file assign ed to a story with this story
(ContainedInStructure). The building structure also defines how the hierarchic levels interact. These interactions are written as relations
(ContainedIn …) to the IFC file.
176 Elements and attributes Allplan
The Objects palette
Allplan 2016 introduced the Objects palette for checking the model
parts and their structure. The Objects palette gives you an overview
of all elements that are currently available and visible in the
workspace. You can both see and edit the main properties of the
elements.
Consequently, the Objects palette is a useful tool that helps you
detect and correct missing information or incorrect assignments
within the model quickly and easily. You can thus improve the data
quality right from the start and, what is even more important, before
you transfer the data to external planning partners, which is to the
benefit of all those involved. The same applies to the processes of
revising, detailing and maintaining the model, that is to say, the
actual BIM (modeling of building data) within the planning process.
To open the Objects palette, select the View menu – Toolbars –
Objects .
Like the other palettes, the Objects palette can be positione d freely or
hidden automatically. The contents of the Objects palette are dynamic, reflecting the current status of your drawing. In addition,
the Objects palette updates automatically as soon as you make
changes.
BIM Compendium BIM in Practice 177
List structure
Using the top part of the palette, you define the criteria according to
which you want to sort the list contents. In addition, you can specify
which parameters you want to display for the elements. To do this,
Allplan provides four predefined options. Select the option you want
to use by clicking the corresponding button:
1 Sort by building structure
The sorting criterion is the current building stru cture with the
structural levels being at the top. The objects are sorted and listed
in accordance with the structural levels. Starting with the project, the objects palette lists each level down to the drawing files. This
structure reflects the actual bui lding topology. If you are working
with the fileset structure, the Sort by building structure button is
grayed out.
2 Sort by drawing file
The sorting criterion is the drawing files, which are at the top.
You can see all drawing files containing elements. In addition to
the name, the program also displays the current status of each drawing file (current , open in edit mode , ope in reference
mode). Here, sorting is based on the building structure or the
fileset structure, depending on your current selection.
3 Sort by layer
The sorting criterion is the layers, which are are at the top. You
can see all layers that are assigned to the elements. In addition to
the short name, the program also displays the current status of
each layer (current; modifiable; visible, frozen; hidden, frozen ).
You can find objects with different layers, such as multilayer walls, in the varied list.
4 Sort by material
The sorting criterion is the materials, which are at the top. The program lists the values you entered for the materi als in the
object attributes. You can find all elements without materials,
such as text or 2D lines, in the *not defined* list.
178 Elements and attributes Allplan
These four predefined options come with preset list levels. The object
groups are at the second level. These object groups are defined by
the internal Allplan object numbers. (You can find the assignments
for the most common components in the appendix.) The object types
are at the third (and last predefined) level. The program
automatically defines these object types, which provide a finer structure than the object groups. However, the Allplan object types
are not identical to the IFC object types.
If you want to add further sorting criteria or change the sequence of
the predefined criteria, click the arrow to the left of the predefined
options to open custom sorting. The current settings are displayed as
text boxes. As soon as you point to a text box, the cursor changes to
a double -headed arrow, allowing you to drag the text box to a new
position. This automatically changes the sequence of the list levels, as the text boxes reflect the hierarchical structure of the list levels:
the box on the left represents the list level at the top and the box on
the right represents the list level at the bottom. To add or remove
criteria, open th e shortcut menu by clicking the right mouse button.
Looking at the check marks on the left, you can see which criteria
are active.
BIM Compendium BIM in Practice 179
Selecting and displaying objects
Using the Objects palette, you can quickly and easily select, show or
hide individual objects or entire levels within the hierarchical list
structure. To do this, you can use the icons above or to the right of
the actual list. Click + or – to expand or reduce the level of detail in
the list. There is a bidirectional link between what you see in the
workspace and what you see in the palette. In other words, an object
that is selected in the drawin g file is also marked as selected in the
palette.
You can select an object in the palette by clicking its selection
square: As a result, the program selects this object plus all associated
(sub-)objects, displaying the objects in detection color in the
viewport. Clicking the selection square again cancels the selection.
When you have selected several objects, the Go to next active
element icon quickly takes you from element to element. Hide
everything that is not selected shows only the selected objects in
the workspace, making it easier for you to find objects and to keep track of everything. Here, too, you can use the Zoom in on selected
objects tool, which you know from the Properties palette.
Using the eye symbol , you can control which objects are visible,
regardless of whether the objects are selected or not. Click the eye
symbol to toggle between Visible and Invisible . As the list has a
hierarchical structure, all subordinate levels automatically inherit the
180 Elements and attributes Allplan
settings from the superordinate level. Using the two icons on the far
right, you can select or show and hide all the elements with a single
click.
In addition, Invert visibility allows you to invert the current state:
Clicking this icon h ides all objects that are currently visible and
shows the ones that are currently invisible.
Changing object properties
Apart from controlling selection and visibility, you can check and
edit the properties of the objects listed in the Objects palette.
However, you can change only the parameters that are displayed in
the palette and that are not values predefined by the program. Consequently, you can change
• the layer ass igned to an object and
• the material assigned to an object.
First, you must select the sorting criterion, that is to say, the layer or material. The list level you choose is irrelevant. In addition, make
sure the list also includes the layer or material th at is to be the target
of the change, because you cannot define new layers or materials
within the Objects palette. Objects whose properties you want to
change must be visible and on a layer that is set to current or
modifiable at the time of modification.
Like the building structure or layer structure, the Objects palette
provides two options for changing the properties: You can use drag-and-drop operations or the shortcut menu. To do this, select the
object(s) to which you want to assign a different layer or material.
• You can drag the object(s) to the level of the target layer or target
material.
• You can open the shortcut menu, click Cut , select the target level,
open the shortcut menu again and click Paste .
This is particularly useful if your model includes elements on
undefined layers or elements without materials. Using the Objects
palette, you can find and modify these elements quickly and easily.
BIM Compendium BIM in Practice 181
Changing the status
Layersast but not least, the Objects palette allows you to change the
document status and the layer status, complementing the Open on a
Project -Specific Basis and Layer dialog boxes. Like the model data,
the dialog boxes are also bidirectional. Consequently, the dialog
boxes update automatically to reflect any changes you make in the
palette or vice versa.
To change the status, point to the icon to the left of the drawing file
or layer whose status yo u want to change. The icon shows the
current status. As soon as you point to this icon, the program opens a flyout showing all available options:
• For drawing files: active , in edit mode , passive or deactivated
• For layers: current , modifiable , visible, froz en or hidden, frozen
Select the status you want to set. The program immediately applies this status to the relevant objects in the workspace.
If you have observed all the points mentioned in the preceding
chapters about data modeling and checked your model using the
Objects palette and the other tools provided, you now have a
comprehensive and detailed Allplan data model meeting all the
requirements of a BIM model.
However, BIM only works if ever yone involved in the project
exchanges information and uses the project database. Collaboration,
which means sharing and refining the model, is the core aspect of
BIM. As long as your model exists only in Allplan , you can use it
just for yourself. Thus, yo u can practice BIM only in a limited way
(Little BIM). To fully exploit all the benefits afforded by BIM and its
cyclical workflow, you must export the model from Allplan and give
it to all those involved in the project.
182 Export from Allplan Allplan
Export from Allplan
After you have created the model and assigned the necessary
information to all objects and components, you have to export the
model from Allplan and transfer the data to your planning partners
and other project participants, such as the client or the appropriate
authorities. You can do this in two different ways : you can convert
the model to IFC format and export the model using the
corresponding interface or you can upload theAllplan model
directly to the bim+ platform . If you have not transferred the model
before, you should always export the model as a whole, regardless of
the method you choose. Once the whole model is available to all
those involved, it may be enough to export layers or components
over the course of t he project.
Which way you choose primarily depends on the project environment and the other participants. Bear in mind that everyone should be able to access the model and thus the project database at
any time. This is the most important point you need to consider. You
should take this decision at the beginning of the project.
BIM Compendium BIM in Practice 183
We recommend using a check list including the important facts, such
as the software programs used and the network environment. Onc e
you have decided on the method, stick to it throughout the project.
Check list VIII: Export options (see page 251 )
Regardless of the method you choose, the procedure is almost
exactly the same. Open the File menu, point to Export and select
Export IFC Data or
Export bim+ Data . The IFC format
focuses on transferring 3D -based building models. Therefore, you
can access the tools for exporting and importing IFC data only from drawing file mode . If you work in the layout editor, you cannot
select these tools; they are grayed out. Although you can export
bim+ data from the layout editor, Allplan transfers only drawing
files, that is to say, the 3D elements you created there.
The drawing files or documents that are currently open and
displayed on screen have no effect on the data transferred by the
Export IFC Data tool. Instead, you can select the data you want
to export in a separate dialog box. However, it is a good idea to open all the drawing files you want to transfer before you export the data.
If you do so, the model cur rently displayed in Allplan is exactly the
same as the one you give to your planning partners.
Unlike IFC export, the
Export bim+ Data tool for uploading a
building model to the bim+ platform does not open the dialog box
for selecting drawing files. Instead, this tool always exports the
current document and all documents that are open in edit mode, that
is to say, all the data that are currently visible in the workspace.
Note: Unlike drawing files, t he selected layers have a direct impact
on the objects to be transferred. Allplan exports only components on
visible layers, allowing you to control what will be exported. Multi –
layer components are exceptions. You will learn about their specific features in the section explaining the export settings.
184 Export from Allplan Allplan
Export to IFC
If you want to use an IFC file for export, open the File menu or the
Create menu. Select Export –
Export IFC Data or Interfaces –
Export IFC Data .
If you work with the current Allplan version, you can also select
Export IFC4 Data . Contrary to its na me, the Export IFC4 Data tool
can transfer files in IFC4 format and in IFC2x3 format. The
procedure and the other settings are the same for the two formats.
However, you cannot use this tool to select a subset
(CoordinationView, StructuralAnalysisView) or to exclude
construction layers of components from export.
The Select drawing file dialog box opens and you can see the
building structure of the project. Select the drawing files and
structural levels you want to export as an IFC file.
BIM Compendium BIM in Practice 185
You can see check ma rks for all the drawing files in the IFC model.
This is the default setting that transfers the entire model. By
choosing drawing files and structural nodes, you can select the parts
you want to transfer. You can select data on the left side of the
building structure only . The area on the right and the fileset
structure are not available. Using Select drawing files currently
loaded , you can select only the current drawing file and the drawing
files that are open in edit mode.
You can use
Save current selection as a favorite to save the
current selection to a separate file, which you can retrieve whenever
you need by clicking
Load favorite . Using th ese tools, you ensure
that the program always exports the same drawing files, regardless
of the current selection.
Click OK to confirm. In the next dialog box, you can define further
settings for the file. Click Browse … to specify the folder and the
name of the file. To set more options, click
Settings .
186 Export from Allplan Allplan
IFC export settings
In the Elements to be transfer red area, you can filter particular
element types you (do not) want to transfer. This area lists only the
elements you can transfer to IFC. In addition, you can use the export
options to control what will be transferred and how. The Certified
CV2.0 data export option transfers only elements defined in the
associated Coordination View subset, excluding 2D elements and
proxies from export. This option is set by default. Using Do not
transfer hidden layers , you can exclude construction layers of
components from transfer. For example, this is useful if you want to
transfer only the load -bearing construction layers of components.
You can use the Structural Analysis View option if you want to
export a model for structural analyses in the form of a line drawing
– as is common in analyses of structures. However, this option locks
all the other (filter) settings, as they are predefined by the view definition.
Using Coordinates and length parameters , you can change the unit
in the IFC file, resize the IFC file or defin e an additional offset to
displace the coordinates in the IFC file. If you do not want to define these settings from scratch each time, you can save them as an
Exchange favorite for future export operations. To do this, select the
Save as… button below t he Current exchange favorite area and
specify the folder and name. The list of exchange favorites shows the
settings you have already saved. You can use the About… button to
add more information to the exchange favorite. For example, you
can add details about its use.
BIM Compendium BIM in Practice 187
When you have defined the necessary settings, close the dialog box
and click OK to start exporting. A window opens, indicating how
much data have been exported so far. After transfe r, the log file
opens in a separate window.
The log file lists all the elements you have exported from Allplan to
the IFC file. Click Find to check particular elements.
188 Export from Allplan Allplan
The log file is a temporary file. The program will overwrite this file
the next time you export data. If you want to keep this file, click the
Print button to print out the file or to save it in PDF format.
You can now provide your planning partners with the finished IFC
file for further editing. For example, you can send it by email or
store it on the company network or on a (BIM) server on the world
wide web. You can also save the IFC file to the bim+ platform, which
will be described in detail on the following pages.
BIM Compendium BIM in Practice 189
Export to bim+
After you and the other project participants have decided to use
bim+ for export, the BIM coordinator has to register, create a bim+
team and invite all those involved to this team. These steps are also
necessary if you want to use the bim+ portal to open and view an
IFC file you were given by a planning partner or you created in
Allplan (see page 194). By the way, a bim+ account created in this
manner also includes some demo projects you can use to tes t the
functions and options provided by bim+.
The browser you use considerably influences the performance and
quality of the representation. In particular, this applies to 3D
applications. Therefore, we recommend that you use a 64 -bit browser
version for t he bim+ platform.
Creating a bim+ project
So that you can upload your own models from Allplan , the team
owner must create a new project within the team. Being the team
owner, you can create a new project after you have logged in to the
bim+ platform (www.bimplus.net or www.portal.bimplus.net) or
while you are uploading data from Allplan .
Open your browser and go to the bim+ web page. Log in t o bim+
using your login details. This takes you to your personal area
showing an overview of all projects. Each project is listed with its
name, a preview and a short description. Click Add project to open
the dialog box for creating new projects. Enter a name for the new
project. If you want, you can also describe the project briefly.
The new project opens as soon as you confirm your entries by
clicking the Add project button. You can now add data to the project
and define further settings. To do this, you can use four tabs: Info,
Models , Documents and Members .
User administration is particularly important for interdisciplinary
collaboration across all phases, which is the keystone of handling project s in a BIM -compliant manner. You can use the Members tab
190 Export from Allplan Allplan
for user administration. Only the team owner can create or delete
projects. The administrators appointed by the team owner have full
access to projects. A user invited to a project by the team owner or
administrator has access to this project. To do this, the team owner
or administrator can use the Invite users button. Each project
partner can be given a particular role, which defines his or her area
of responsibility (for example, viewer or editor).
You should assign access rights at the beginning of a project or
when you upload the model for the first time. Otherwise, some
project partners cannot access the data, which may cause
unnecessary delays.
Using the Upload models button on the Models tab, you or other
team members with appropriate rights can add more models to the
project without having to export the models directly from Allplan .
For example, the engineer in charge of technical building services
can add ventilation lines or the structural eng ineer can add the
structural model. If you want to upload native Allplan data, you
have to do this straight from Allplan .
As an alternative, you can create a new project directly when you
export data from Allplan . This option is new in the current version.
After you have opened the export dialog box, logged in and selected
the appropriate team, you can see a list of all projects to which you
can add models. To create a new project, click the + icon below the
Projects list and enter a name for the new project in the data entry
box. Then click the icon below the Models list and enter a name for
the new model. The default is the Allplan project name with the
prefix Allplan_…or AllplanModel_…. Confirm your entries by
clicking the Upload button. This creates the new project with the
new model, which includes all currently selected Allplan data.
BIM Compendium BIM in Practice 191
Notes: Using bim+, you can upload data straigh t from Allplan
without having to convert the data in advance. In addition, bim+
supports the IFC format. As an alternative, you can work with the
SKP format, which is used by SketchUp. bim+ can also import and
display this format without conversion.
You ca nnot create an empty project using the Allplan dialog box.
Allplan always adds the current data in the form of a model.
Similarly, user administration and all further options can only be
accessed using the bim+ portal.
The dialog box for creating a new project only appears when you
export bim+ data from Allplan for the first time. If you have
uploaded data before, the target project is preset on bim+ . In this
case, you only have two options: you can either create an additional
version of the model in the pr oject ( Revision ) or overwrite the
existing model (Update ).
192 Export from Allplan Allplan
Uploading Allplan models
As mentioned in the introduction to 'Export from Allplan‘ (see page
182) we recommend that you use the definitio ns and specifications
laid down for the IFC format to create the data structure of a model
you want to upload straight from Allplan to the bim+ portal. If you
have observed all the points mentioned in the chapter about creating
the model (see page 58 ), you can be sure that your model meets all
these requirements.
To upload your building model to bim+, open the File menu, point to
Export and click
Export bim+ Data .
Unlike IFC export, the tool for uploading data to bim+ does not open
the dialog box for selecting drawing files. Instead, this tool always
exports the current document and all documents that are open in
edit m ode, that is to say, all the data that are currently visible in the
workspace. Therefore, you should check the selected documents
BEFORE you open the export tool. You cannot change the selection
later.
After you have logged in and selected the appropriate Team , the
steps that follow vary depending on whether you export data from
the project for the first time or you have uploaded a building model
to bim+ before.
When you export data for the first time, the dialog box displays a list of all the projects belo nging to the selected team. As soon as you
select a project, you can see a list of all the models in the selected
project. You can either select an existing model and overwrite it with
the current Allplan data or create a new model within the selected
project by clicking the + icon and entering a name for the new
model. As an alternative, you can create an all- new project with a
new model as described in ‘Creating a bim+ project ‘ (see page 189).
When you have exported bim+ data before, the target project is preset and the model is preselected. In the Upload setting area, you
BIM Compendium BIM in Practice 193
can decide whether you want to overwrite the model or add the
current Allplan data as an additional version of the model. After
having made up your mind, select the Update the current model
option (equivalent to overwriting the existing model) or the Create a new revision option (equivalent to adding a version). If you opt for
the revision, you can enter a name for the new model. To start the
process, click the Upload button.
Note: When you overwrite a model, the program always deletes all
data, replacing the old data with the new data. Therefore, you should
do this only if you are absolutely sure that you do not need the data
anymore. To be on the safe side, back up the data in Allplan in
advance. As opposed to IFC export, the program does not create a
separate file when you upload data from Allplan directly to the bim+
platform. So there is nothing you can fall back on.
The progress bar at bottom right shows you how much data Allplan
has already uploaded. As soon as the process is complete, you can see the project was transferred successfully message. Click OK to
confirm this message. Unlike IFC export, the tool for uploading data
to bim+ does not create a log file.
194 Checking data Allplan
Checking data
After you have exported your building model, you should check the
file before you give it to others, making sure that all objects have
been transferred correctly. This section contains some general notes.
You will learn about the options for checking data in more detail on
the following pages.
Whenever you exchange data or create and import IFC files, you
convert da ta to a different format. This always changes the data,
albeit marginally. Due to different programming and element
descriptions, you can hardly ever convert data one -to-one to a
different format, regardless of the target format or the source format
you us e to convert data to Allplan files.
Logically, you can conclude that you cannot check the data by
reimporting
a file you created or by importing a file you received, because
these files do not contain the original data.
If you want to check an IFC file in its original format before you
convert or distribute the file, you require a program that can directly
read this format. You can do this in two different ways:
• You can use an IFC Viewer to open and check the files in their
original format.
• You can upload the files to bim+ or a different data server . In
conjunction with appropriate applications, you can display and interactively explore a number of different formats.
BIM Compendium BIM in Practice 195
Other (CAD) programs automatically convert the data to their own,
inherent format. You mus t use the bim+ platform to check your own
data you created with the
Export bim+ Data tool straight from
Allplan . The reason for this is that you have never converted the
data; the model is still in th e native Allplan format.
We recommend using the bim+ platform for teamwork in general.
The bim+ platform facilitates the workflow of a BIM project ,
providing you with a wide range of features for collaboration.
Checking data is just one of them.
Regardless of the tool you use, you should always check the (IFC)
files you created yourself or you received from planning partners in
two respects:
• Check that the geometry of the building is correct and th at the
components are positioned correctly. In addition, make sure the
model is complete.
• Check that the attribute sets (PSets) of the objects include all
necessary parameters, attributes and pieces of information .
Depending on the program you use for chec king, the options you
have and the steps you take may differ. Consult the program's help
for details. Therefore, IFC viewers are described only briefly whereas
the options provided by bim+ are explained in more detail on the
following pages.
196 Checking d ata Allplan
IFC viewer
You can find a number of mostly free IFC viewers on the Internet.
These viewers can differ in handling and user interface. With these
viewers, you can display and interactively explore IFC files and
retrieve information on the elements. S ome viewers offer additional
functionality. For example, you can transfer data to other file
formats or display conflicts within the components.
As IFC viewers are separate programs, you can use them independently of a CAD system to visualize building mode ls.
Therefore, they are also suitable for presenting models to clients or
authorities who do not work with Allplan .
However, you cannot use IFC viewers to change data, that is to say,
the geometric information the elements or the attributes and
parameters of elements. If you want to do this, you must open the
data in a CAD system or in any other suitable program.
Note: In IFC the meaning of layer differs from that in Allplan . This
might lead to misunderstandings. In IFC a layer always describes the
layer of a component. For example, you can define construction
layers of walls or construction layers of finishing surfaces in Allplan .
Whereas in Allplan , the term layer describes a format property you
can assign to each element. As a result, layers will be impor ted and
exported as element properties and transferred with the data
structure.
bim+ platform
Compared with any IFC viewer, the open bim+ platform provides
you with many more features and options. This applies to its
connection to Al lplan, the possible data formats and the tools you
have. What's more, you can use the bim+ platform not only to
check data but also to collaborate and communicate with your
planning partners throughout the project.
BIM Compendium BIM in Practice 197
Communication and collaboration on BIM
projects
Communication and collaboration are essential for handling projects
in a BIM -compliant manner. Being central core aspects of BIM,
collaboration and communication decide whether or not a project
will be successful. Consequently, a BIM project will only be
successful if communication and collaboration work. Therefore, you
should focus on these two factors right from the start, describing all
associated processes in detail in the project handling plan.
Collaboration on BIM projects differs from collaboration in
conventional project handling even though the purpose and aim of
collaboration are still the same. In a BIM project, the building model
as the central database is the collaborat ion platform that is used by
all those involved to discuss important points and to exchange
information.
This offers numerous advantaged to all those involved:
• Project information is always up -to-date and available to
everyone at any time.
• Detailed inform ation and questions can directly be assigned to
and linked with the associated model component.
• Problems, conflicts and interactions can be detected and
visualized immediately.
• …
The changed means of communication requires all those involved to
adjust the way they work and to embrace new methods. Just as you
exchange model data using the IFC interface, you communicate and
exchange information in digital form using a specially developed
data format: the BIM Collaboration Format or in short, BCF.
198 Communication and collaboration on BIM projects Allplan
IFC and BCF – the languages of BIM
Whereas IFC as a neutral data format is used to exchange models
and building information in a BIM project, BCF is the format
planning partners and project participants use to communicate. The
BCF format is also a tool for documenting all processes involving the
model(s). Ideally, this format replaces all written correspondence concerning the project.
The two formats are closely linked, interacting with one another. Whereas IFC is a discrete format that can als o be used on its own,
BCF cannot be used without the associated IFC model. Moreover, IFC
is the older, more extensive and universal format; BCF is a relatively
young format derived from IFC.
History
With BIM being increasingly accepted and used, more and more models were created and exchanged. Until 2010, however, users
faced the dilemma of not knowing how to display and exchange
changes and questions concerning a single component or a specialist
model.
It was the custom to exchange the model as a whole. However, this
was becoming more and more cumbersome, in particular, with
complex projects at advanced planning stages, where the level of
detail, contents and thus the data volume of the specialist models
exceeded a certain level.
Moreover, if recipients wanted to see the changes and additions, they
had to superimpose and compare the different model versions, which
involved much time and effort. Using this approach, it was not
possible to directly address particular parts or components of the
models.
Any correspondence via fax, email, telephone or so on was prone to
misunderstandings, as people did not know exactly which
component they were talking about – a problem which was actually
to be solved by BIM. Moreover, only some project partici pants knew
about the changes and additions and it was very tedious to keep the
documents up -to-date, which is in fact an essential factor of BIM.
The IFC format and its structures (STEP) are only suitable for
describing geometric elements. Using the IFC fo rmat, you can
describe the physical and functional properties and characteristic
values of elements. In addition, you can use this format to describe how elements interact. The IFC format is not useful for exchanging
data without spatial information, descr iptions of processes or simple
BIM Compendium BIM in Practice 199
text messages. To exchange these types of data, people required an
additional file format of a different basic structure.
The software providers Solibri and Tekla launched an initiative with
the aim of developing an open, neu tral and program -independent
file format that reflects and supports the basic idea behind IFC and
openBIM. The initial scheme developed by the two companies was
based on the universal programming language XML. buildingSMART
further standardized this scheme . By now there is a second version,
simply called V2. In conjunction with IFC4, this version has been the
official buildingSMART standard since 2014.
Based on the scheme of the prototype, buildingSMART defined
structures and specifications, laying down which information is to be
described in which form in such a file. There is both necessary and
optional information, which is bundled in a ZIP file in *.bcfzip
format.
Each ZIP file contains a subfolder f or each message (topic). You can
distribute the file using a collaboration platform (BIM server) or conventionally by email.
The BCF file contains only information on a single area or
component of the IFC model; the BCF file does not include the object
itself. So that recipients can use and edit the model, they require the
associated IFC file. The two files must always be used together.
Using an Internet platform with functions for reading and writing BCF files as a BIM server for project handling has the f ollowing
advantage: Not only the model data but also everything that is
communicated is visible and accessible to all those involved,
regardless of the software used by the project participants.
200 Communication and collaboration on BIM projects Allplan
Structure and contents
Basically, each message or associated folder in a BCF file has three
parts:
• A section with text
• A section for visualization
• A section with screenshots
These three sections are required in this sequence in each BCF file. If
you want, you can add more attachments and references. These
additional files can be integrated in the BCF file or stored externally;
they can include any number of documents of any type.
Section with text (markup file)
The first and most important part of a message within the BCF file is
the name of the message followed by the person who created the
message and the date the message was created. You should choose a
meaningful name refe rring to the contents of the message. The
creator also defines the recipient of the message who is responsible
for carrying out the task described or clarifying the issue described,
provided the message does not include general information about an
object.
The second part of this section is the contents of the message
including detailed descriptions of the issue or instructions on what to
do with the object in question. You can also classify the message, as
well as giving it a status and a priority rating. You can choose from
a number of classifications, which are predefined in a list. If you
want, you can define your own classifications, adding them to this
list. The following classifications are available:
BIM Compendium BIM in Practice 201
• Comment
• Problem
• Request
• Solution
The following s tatuses are available:
• Open
• In progress
• Completed
• New
In addition, the following priority ratings are available: low (1),
medium (2), high (3) and very high (4). Just as you define the model
data in IFC, you should specify the discipline of the topic descr ibed
in the BCF file:
• Architecture
• Structural analysis
• MEP
• …
In addition, information on the date of change and the person who
did this change will automatically be added to each message. You
can also add comments, which help project partners communicate
and exchange information on a particular object or open issue
within the BIM model. The same applies to additional information, references, links and documents attached to objects.
Section for visualization (viewpoint file)
This section starts with the link to the object to which the message
refers. Details of the model itself are not provided; there is only some
general information on the model.
Linking is based on the universal IFC ID of the object to whi ch the
message refers. In addition, the hierarchic structure of the object is included, that is to say, the story or the superordinate room. When
working with IFC and BCF, you should not delete objects, move
objects or create new objects. Otherwise, links will no longer work.
Linking ensures that all those involved know which component is
concerned. So that you can quickly find this component in the
model, there is also a focused view of this component. Using this
view, you can restore the view of the building in the software
program or on the BIM server or collaboration platform you use.
202 Communication and collaboration on BIM projects Allplan
This focused view is saved as a camera position, which is similar to
3D view in Allplan, where you define an eye point and a target
point. In the BCF file, the view is defi ned by the X, Y and Z
coordinates plus the aperture angle and the focal length or scaling.
If you want, you can include markers and lines highlighting the
object in question, but these elements are not mandatory.
Section with screenshots (snapshot file)
There is an additional screenshot as a *.PNG file for each model view defined by coordinates in the BCF file.
This way, project participants without BCF -compatible software also
get visual information on the relevant object and its position within
the model. A screenshot must have the name snapshot and the *.PNG
format. You can add as many screenshots as you need.
Workflow and handling
There are strict specifications for the structure of a BCF file, making
sure the file is universally valid and can be used by any CAD
program. Similarly, buildingSMART provides detailed instructions on
how to create and use a BCF file. B asically, the workflow does not
differ from that in conventional project handling. The only
difference is the tools and means of communication.
Just as you do not create and edit model data in the neutral IFC format, you do not create and edit BCF files in the original format,
which is only used to exchange information between software
programs. The tools that are actually available to you depend on the
program you use. Normally, you use tools for project notes and
BIM Compendium BIM in Practice 203
comments and marker tools to create object links and enter all
necessary information about these links in the program you use.
After this, you export these links to BCF format so that they can be
used across programs. To edit the topics in a BCF file, you import the
BCF file, thus creating a mark er or comment in the project in
question. Provided you have also imported the associated IFC model,
the link directly displays the component you have to change. You
can then edit and modify the component in accordance with the
specifications described in t he task. In doing so, you write any
comments, notes or points to be clarified directly to the
communication file. Finally, you change the status of this file. As
you can see, there are two parallel processes: changing the objects
themselves and changing th e object documentation using text or
pictures.
By exporting the file again, thus converting it to BCF format, you
inform all project partners involved about the changes. The workflow
differs slightly if you put BCF files directly on the collaboration
platform or a BIM server: In this case, the data do not need to be
converted, as the messages can be edited directly. All you need to do
is exchange and update the model data you modified in the software
program you use.
Combine these two methods to optimize t he workflow: By creating
and editing BCF files directly on the BIM server, you ensure that up-
to-date files are visible and accessible to all those involved; by also
transferring the BCF files to the software program you use, you make
it easier for editors to carry out the tasks defined in these files.
BIM-compliant communication in Allplan
Allplan provides two tools for implementing the communication
process described:
• The Task Board palette you can use to retr ieve, create and edit
messages and comments about the components of the model just
as you would when using BCF.
• The open bim+ data platform you can use to combine specialist
models to a common model and to create notes and topics for the
model components.
By combining these two tools, all Allplan users can optimize their
workflow, making it as efficient as possible. Other project
participants who work with different CAD programs can also use the
bim+ data platform to upload projects and create and edit mes sages.
204 Communication and collaborat ion on BIM projects Allplan
Therefore, the bim+ data platform is the perfect BIM server and
collaboration platform for working together on BIM projects.
By the way, you have to use bim+ if you want to use the Task Board
palette in Allplan. Using this palette, you can only edit data and
communicate via models if you have uploaded the data as a native
Allplan file to a corresponding project on bim+ .
While uploading the data, Allplan links the bim+ tasks (topics) with
the Allplan tasks, ensuring that the tasks update automatically to
reflect any changes. Consequently, each task in Allplan is identical
to a topic on bim+. So you can create and edit tasks both in Allplan
and on bim+.
Note: You cannot use the Task Board palette and its tools without
bim+ . Therefore, you must be const antly connected to the Internet if
you want to work with the Task Board palette.
Only if these requirements are met will the Task Board palette
become active after you have logged in to bim+. If model data have
been exported from the current project to bim + before, the Task
Board palette displays all tasks that have already been created for
this project. If model data have been uploaded before, but tasks have
not been created yet, the Task Board palette, which is divided into
the Preview and Task areas, is empty.
If the project has no equivalent on bim+, you will be prompted to
upload the project to bim+. Only after you have uploaded the project
can you create and edit tasks.
BIM Compendium BIM in Practice 205
Creating tasks
Basically, you have two options to create new tasks, regardless of
whether you use Allplan or bim+: You can import a BCF file or click
the New Task button and enter all necessary details and information.
The result is the same. BC F import automatically creates the tasks,
fills the tasks with the contents defined and links the tasks with the
associated components of the Allplan model.
As an alternative, you can create a new task manually by clicking
the New Task button. This opens the Details palette, where you can
enter all necessary information and contents and link these data with
the Allplan data loaded. The structure of this palette is based on the
specifications buildingS MART defined for BCF files. This ensures
seamless data exchange and universal readability with regard to BIM and IFC. It makes sense to start at the top of the palette and work
downwards. Some entries are predefined or will be filled out
automatically by t he program.
206 Communication and collaboration on BIM projects Allplan
The most important piece of information is the name of the task,
which is at the top. This is similar to BCF messages. Make sure this
name is as meaningful as possible so that everyone k nows at once
what you are talking about. The next three lines will be created
automatically by the program, displaying the number, the person
who created this task and the dates the task was created and last
edited. The program numbers the tasks consecutively, entering the
Allplan user as the creator or author.
BIM Compendium BIM in Practice 207
The next box includes the actual contents of the task in detail, that is
to say, the job to do, question to clarify or problem to solve. You can
then select the person who is responsible for the task. To do this, you
can choose from a list of all project participants. The person
responsible will automatically be informed about the task by email.
So you do not need to contact this person separately. If you want,
you can inform any other person about the task by email. Type ,
Priority and Status are used to classify the task in accordance with
BCF specifications. Clicking in the box belowDue Date opens a
calendar. Click a date to define the deadline b y which the person
responsible has to react to the task.
208 Communication and collaboration on BIM projects Allplan
Using the Comments , Attachments and Hyperlinks buttons, you can
create and attach additional documents providing further
information about the task. The only thing you cannot do in this
palette is place a spot, that is to say, a marker in the form of a
pushpin, on the associated object in the Allplan model. This feature
is only available on bim+; Allplan only displays the spots placed on
bim+.
Instead, you can use the Set view , Save view and Select Elements,
Clear Selection buttons at the top of the palette to identify and find
the object in question.
Using Save view , you save the current view in the viewport,
including the zoom factor. In addition, you create a screenshot as a
PNG file. When you select the task in the Preview area, you can see
this screenshot, which will also be inte grated in the BCF file during
export. This is defined in the specifications laid down by buildingSMART. Using Set view , you set the view saved for the task
in the current viewport in Allplan.
Using Select Elements, Clear Selection , you directly link the task
with the associated objects in Allplan. The entry to the left of the
button indicates how many objects are currently selected in the
BIM Compendium BIM in Practice 209
Allplan viewport. By selecting this tool, you automatically open the
Brackets ; you can then select the required objects one after the
other. To remove an object from selection, just click this object
again. This is similar to selecting objects in Allplan. To close the
brackets, click the right mouse button. This comple tes selection,
transferring the selected objects to the task.
Finally, click Save to save and thus create the task. This adds the
task as a new entry to the task list and to bim+.
Editing tasks
Basically, you can change and edit a task in the same way as you
create a task. Double -click the task or the arrow in the column on
the right in the list to display the contents of the task in the Details
palette, where you c an check and change the entries. If you want,
you can also add comments, attachments and further information.
The Details palette also documents what the person responsible for
the task has done so far. By adding new comments, you can
comment the changes made, answer questions or ask new questions,
thus continuing the dialog started by the task. Finally, adjust the
Status and save the changes by clicking Save. All project
participants will automat ically be informed about the changes.
However, the model data in Allplan and the data on bim+ will not be
updated automatically, regardless of whether you uploaded an IFC
file or native Allplan data. After upload, the models are no longer
210 Communication and collaboration on BIM projects Allplan
connected. So if you want to adjust the data and integrate the
changes into the common model, you have to export the data again.
The procedure is the same as uploading the data for the first time.
However, ther e is one difference: When exporting the data again,
you can choose to Update the current model (equivalent to
overwriting the existing model) or Create a new revision (equivalent
to adding a version, thus archiving the old one) in the Upload
setting area.
Working with BCF files
You can use the neutral and universal BCF format to communicate
and exchange information with project participants who do not work
with Allplan. Regardless of the software used, this common language
allows all those involved to collaborate on BIM projects and handle
projects in a BIM -compliant manner.
To do this, project participants can export and import tasks or topics
in BCF format using both Allplan and bim+. When importing a BCF
file, the program converts its contents to a task that can be edited
like as native task. BCF files created from tasks can be emailed to the
required recipients who can then import the file to the program they
use.
So that you can kee p track of everything, you can export all tasks of
a project to an Excel table, which you can then give for further
editing to all those involved in the project. For example, this approach is very useful for communicating with planning partners
who work wi th programs that cannot process BCF files.
BIM Compendium BIM in Practice 211
Import to Allplan
Although you can check data in a viewer program, you cannot use
the viewer to modify data, regardless of whether you have IFC files
or native Al lplan data. If you want to change, add and update data,
you must do this in Allplan or in the program that is suited to the
task at hand. This also applies if you want to merge IFC files into a
common model. Although you can use bim+ or any viewer program
to check and superimpose these files, they are still separate models.
Similarly, the BCF format, which is described in detail in the previous chapter, and the functionally identical tasks in Allplan or
on bim+ are only means of communication; they are not edit tools.
Although the BCF format and tasks provide information on what is
to be changed and in which form , they never change any data or
components of the model.
212 Import to Allplan Allplan
For example, the engineer in charge of technical building services
has given you an IFC file with the ventilation lines, which you want
to integrate into the model. Logically, the next steps are to work
through the BCF instructions and tasks and to import the file
intoAllplan . Import is especi ally useful for checking the changes in
space.
Importing
When it comes to importing an IFC file to Allplan , you can use an
existing project or create a new project. Generally, it only makes
sense to create a new project if you are not th e person who is in
charge of the BIM model, that is to say, the person who created and
maintains the BIM model. If you want to import data of your
planning partners or modify the data basis in Allplan , you should
always use the relevant project, which you created and structured as
described in the preceding sections. As you can import IFC data only
to empty drawing files, you do not run the risk of inadvertently
overwriting existing files.
As opposed to exporting and creating a BIM -compliant building
model, you do not necessarily need a building structure in the
target project if you want to import data. The IFC model you are
about to import always includes a component- oriented structure.
Allplan automatically converts this structure to a building structure
during import. Therefore, you do not need to create a building
structure if you want to import the data to a new project. Quite the
contrary, you should create the project without a building structure
so that you can use the structure as it is defined in t he IFC file. If
you import the IFC data to a project with a building structure, the
program simply updates the existing structure based on the
structural levels in the IFC file, thus adding any levels that may be
missing.
To start importing data into Allplan , open the File menu and select
Import –
Import IFC Data or open the Create menu and select
Interfaces –
Import IFC Data.
In addition, you can al so drag the data directly into the open
viewport (workspace).
BIM Compendium BIM in Practice 213
In the dialog box that opens, click Browse… and select the folder
and the name of the file you want to import. To set more import
options, click
Settings . If you have dragged the file into the
workspace, the Settings dialog box opens immediately.
Using this dialog box, you can select the elements you want to
import, specify their unit and size and define their position in the
coordinate system. Here, too, you can click the Save as … button to
save the settings as an exchange favorite. This way, you do not need
to define the settings from scratch the next time you want to import
data. By saving the new exchange favorite, you add it to the list of
Current exchange favorites . Click the About… button if you want to
include information on the settings of the favorite.
214 Import to Allplan Allplan
When you have defined the necessary settings, close the dialog box
and start importing the data by clicking OK . In the next dialog box,
you can define the number of the first drawing file. Starting with
this drawing file, Allplan arranges the IFC dat a on empty drawing
files in ascending order. Here, the drawing file that is currently open
is irrelevant, as you cannot select it as the first drawing file.
The program itself suggests and selects the first empty drawing file
that is followed by enough empty drawing files for importing the
entire structure. Of course, you can change the first drawing file. If
there are not enough empty drawing files, the program will issue a
message.
BIM Compendium BIM in Practice 215
You can only select an empty drawing file for the first one. Allplan
always arranges the IFC data on empty drawing files. So you do not
run the risk of inadvertently overwriting existing data. Apart from
defining the first drawing file, you cannot control what is plac ed on
which drawing file. Allplan always adopts the structure as it is. If
you want to place elements in particular drawing files, you can do
this after you have imported the data: Open the File menu and select
Copy, Move Elements between Documents .
After you have selected the first drawing file, click OK to confirm the
dialog box. Allplan imports the IFC data, creating a new building
structure based on the IFC structure. If there is a building structure ,
Allplan integrates the IFC structure into the existing structure and
adds any structural levels that are missing.
After having imported the data, Allplan displays the log file in a
separate window. This log file lists the elements in the IFC file by
type and number, the elements imported into Allplan and the new
elements. Using this log file, you can check whether all elements
have been transferred correctly.
Click the Print button to print the file or to save it in PDF format.
Allplan does not save the log file, overwriting it the next time you
exchange data. Therefore, save this file if you want to keep it.
216 Import to Allplan Allplan
Clicking OK takes you back to the workspace. You can now check or
edit the IFC data an d thus the building model imported. If you want,
you can also update your original model by writing back the
changes imported.
BIM Compendium BIM in Practice 217
Updating the model
Now we come to the last step in the planning cycle described in this
book. In this step, yo u compare the imported model data with the
existing model data and change and revise the data accordingly.
After this, you can export the updated model again, giving it to the
project participants who can then use it as a new database.
Allplan provides different tools for comparing data. To adjust objects
and components and to add new ones, you can use the familiar
Allplan tools in the architectural modules and the drafting modules
as usual.
218 Updating the model Allplan
Comp aring data
As you learned in the preceding section, Allplan always imports IFC
files to empty drawing files. Consequently, the new data cannot
interact with the data of the existing BIM model you created. You
can use the Collision C heck tool in the 3D Modeling module to
correlate and check the two databases, thus identifying the changes
you have to make.
To do this, open the building structure and select the matching
drawing files with the correlative data you want to check. With lar ge
buildings and complex models in particular, we recommend that you
check the data step by step. For example, you can do this drawing
file by drawing file or story by story. Using this approach, you can
check the entire model by comparing the old data with the new data.
You can then revise and update the model accordingly. If you use
this approach to work your way through the entire model, you will
never lose track of changes, which is particularly important for
complex projects.
You can select the tool fo r checking data on the Change menu –
Bonus Tools – 3D Modeling .
BIM Compendium BIM in Practice 219
After you have opened this tool, you can select elements or areas
you want to check for collisions. To select these elements, ju st click
them or use the filter tools. By pressing CTRL+A , you can select
everything on screen in one go. Allplan checks the data for
collisions, marking each collision found with a 3D box in the
detection color specified, which is usually red. This 3D box encloses
the colliding elements. In addition, Allplan displays a message
showing you how many collisions it has found and marked. If you
press ESC to quit the tool and confirm the prompt asking whether
you want to save the collisions, the program creates and displays the
3D boxes as discrete objects in the current drawing file.
This is very useful for revising the model afterwards. As its name
indicates, the tool for checking collisions simply checks the data. It
does not update the data automatically. For example, take the
planning done by the engineer in charge of technical building
services: Using this tool, you can place collision objects on the
points where the ventilation lines meet walls or slabs in the
architectural model. You or another team member can then update
the model, creating slits or openings in the required places.
220 Updating the model Allplan
Note: Allplan checks only 3D objects for collisions, ignoring 2D
elements. In addition to components , user-define d architectural
elements and 3D solids , Allplan also checks fixtures , bar
reinforcement , SmartParts and smart symbols containing 3D
elements.
Note: All collision objects Allplan creates in one go get the same
group number . Consequently, you can select and thus delete them
together by pressing and holding down the SHIFT key while clicking
an object.
If you want to compare and adjust data, you can also use the Old-
New-Comparison … tool on the Tools menu. This tool is useful if the
data you have been given by an external partner are based on your
model and include only minor changes. Using this tool, you can
display the changes on screen.
When checking for collisions, the current selection of drawing files is
important. When comparing data, on the other hand, you can ignore
the selection of drawing files. Here, you select the data you want to
compare in a separate dialog box. However, we recommend opening
one of the documents at least in reference mode so that you can
correctly place the result of the comparison . After you have selected
the tool, a dialog box with two area opens.
BIM Compendium BIM in Practice 221
Select the documents you want to compare in this dialog box. You
can select drawing files or custom NDW documents . However, you
should not use NDW documents in conjunction with BIM. Clicking
the corresponding icon opens the familiar selection dialog box where
you can select the required drawing files.
Select the data of your model in the area on the left and select the
data g enerated by your external partner in the area on the right.
Then click OK to confirm. In the bottom part of the dialog box, you
can specify which changes you want to see and define the format properties (pen, line, color, layer, pattern line):
• Missing (demolition) indicates objects that exist only in your
data.
• Added (new building) indicates objects that exist only in the data
of your planning partner.
• Identical (as-built) indicates everything that is identical in both
databases.
Normally, you can clear the last check box, as the identical elements
are not important. It is the changes and new elements you want to
see. When you have finished, click OK to confirm the dialog box.
The result of the c omparison is attached to the crosshairs and you
can place it in the workspace.
222 Updating the model Allplan
Modifying data
Both the Collision Check tool and the Old -New-Comparison tool
help you keep track of changes so that you can revise and update
your model . However, these tools do not change any data
automatically. You or another team member must do this afterwards.
To do this, you can use all the Allplan tools you used when you
created the model. If you want to use objects you imported, such as
the ventila tion lines of the engineer in charge of technical building
services, you can move these objects to the original drawing file of
your BIM model. To do this, you can use the Clipboard (CTRL+X and
CTRL+ALT+V ) or the
Copy, Move Elements between Documents
tool (on the File menu). You can then edit these objects as if you
created them yourself. Make sure they get the correct IFCObjectType
(if it was lost during import). In addition, check that these objects
have the necessary parameters and information in the form of
attributes and properties .
When revising and updating the model, you also have to observe all the points mentioned in the preceding sections about creating the
model. By doing this, you ensure that your building model always
stays compliant with BIM. After modifications, you can give your updated BIM model as a new database to all those involved in the
project. To do this, create an IFC file or upload the model to the
bim+ data server as described i n 'Export from Allplan ‘ (see page
182).
Within the planning phase, this cyclical workflow consisting of
repetitive steps is the actual BIM process, that is to say, the modeling
of building data. This workflow is part of the en tire project. Apart
from being compliant with BIM, it basically reflects normal planning work.
BIM Compendium BIM in Practice 223
Step-by-step instructions showing you how to plan
a project in compliance with BIM:
Structure the project and the data
Create the building model
Assign paramet ers and attributes; attach additional
information
Export the BIM model and give it to all those
involved
Check the model data and the components
Revise and adjust the model; external planning
partners add their data
Import the external data into the project
Compare the models and their components
Add the changes to the original model
Export the updated BIM model again and give it to
all those involved
…
224 Allplan
BIM Compendium FAQs on IFC and BIM 225
FAQs on IFC and BIM
You should not encounter any major problems a fter you
have worked through this manual and familiarized
yourself with BIM and the IFC interface.
However, due to varying boundary conditions, external
influences and data quality, you may face inconsistencies
or difficulties when you import data, export data or work
with data. There are some points you need to bear in
mind if you want to obtain correct results.
This chapter gives you the answers to frequently asked
questions and presents solutions to a number of problems
that may occur. In addition, we wi ll gladly offer you
advice and assistance in every possible way. Just let us know if there is anything we can do for you.
226 Exchanging plans Allplan
Exchanging plans
BIM and IFC are primarily designed for working together on th e
building model. Therefore, the associated interfaces transfer 3D data.
Plans are still required for work on site and for final documentation.
In addition, plans are often requested by clients. Although you can
derive plans from the building model, these plans are 2D line
drawings.
You can export these drawings together with the building model or
as DWG files, DGN files or PDF files from Allplan and give them
along with the building model to your planning partners.
As the building model and the layouts are transferred to scale with
the correct coordinates, everything will be in its correct place after
your planning partners have imported the data into their programs.
As a result, they get not only the 3D data with the respective
parameters but also any additional information you entered in 2D,
including all the plan sets with drawings and project details.
You cannot exchange IFC data
You are trying to create or import an IFC file, but Allplan does not
react or issue an error message. This is usually caused by damaged
files in the user folder.
To fix them, you must create new files. Exit Allplan and open the
Services application . Click Service – Windows Explorer – My own
CAD documents (USR) . This takes you directly to the user folder. As
an alternative, you can also open this folder using Windows
Explorer. You can find the path to this folder in the Services
application window.
The user folder includes the EDMDatabase subfolder with the
damaged files. Open t his subfolder and delete all the files so that the
subfolder is empty. Do not delete the subfolder itself, as it is required
by the program.
After this, start Allplan again. Allplan recreates the files you just
deleted. This solves the problem. You should now be able to
exchange IFC data.
BIM Compendium FAQs on IFC and BIM 227
You cannot open IFC files
You have been given an IFC file by a planning partner, but you can
neither import this file into Allplan nor open it with an IFC Viewer.
This can be caused by a missing description in the header of the file.
To check this, open the file using a text editor (NotePad, TextPad, …).
The first lines contain the header, which usually consists of the
version, file name and file description:
FILE_DESCRIPTION((' xx xxxxx '),' xxxx ').
If this entry is empty, enter FILE_DESCRIPTION(('IFC2x3 Coordination View'),'2;1') and save the file.
This solves the problem. You should now be able to import or open
the file.
You cannot export components correctly
You have used the descriptions in this guide to create an IFC file in
Allplan , but the components in this file are not displayed correctly in
an IFC viewer or at a partner office after import. This can be caused
by incorrect or imprecise components in Allplan .
Imprecisions and errors of this kind may occur when you modify
architectural elements, work with large coordinate values or with
angles that deviate from the perpendicular.
Using the
Mark Critical Model Data tool (Change menu – Bonus
Tools family – 3D Modeling module), you can not only measure
geometric values but also check problematic data.
If the model includes crit ical data, you should fix these data before
you export the data. To fix data, use the
Restore 3D View tool
(Architecture modules – Change area).
228 The project only has a fileset structure Allplan
By recalculating and updating all selected components, this tool
corrects minor imprecisions and solves errors of this kind.
If the model includes large coordinates, think about whether you
actually require exact X and Y values. If you do not requir e exact
values, move the data towards the origin in Allplan before you
create the IFC file. To do this, you can use the
Move tool on the
Edit toolbar.
But if exact values are important, you have to de fine offset
coordinates in addition to the move. The program uses this offset to
internally reverse the move, so that Allplan still displays and uses
the original values when you export or measure data. To enter an
offset, open the File menu, click
New Project, Open Project or
ProjectPilot and open the Project Properties . Offset coordinates
always apply to the entire project. Enter the value that is equivalent
to the value of the move but change the sign . For example, if you
move the coordinates by 100 m in the X direction and by – 50 m in
the Y direction, the offset is – 100 for X and 50 for Y.
After you have revised the model in this way, the program should
write the components correctly to the IFC file.
The project only has a fileset structure
Basically, Allplan provides two options for structuring data, which
you can use in parallel and independently of each other. The first one – the fileset structure – has existed since the beginning.
Allplan 2006 introduced the building structure , which you can use
to divide project data into individual, hierarchic structural levels. The
building structure reflects the topology of a real building. Ins tead of
filesets, you assign drawing files to structural levels.
If you work with the fileset structure in Allplan and select the
Export IFC Data tool ( File menu – Export), Allplan will issue a
messag e indicating that export requires a building structure. So you
must create a building structure before you export the data.
If you have used filesets for your data, you can convert this structure to a building structure. If you have structured your data by story,
you can derive the building structure directly from these stories. As
an alternative, Allplan offers a selection of predefined structures for
different project types, which you can use and adjust accordingly.
BIM Compendium FAQs on IFC and BIM 229
To create a building structure (later), select the
Open on a
Project -Specific Basis tool and open the Building structure tab. If
you have not yet created a structure, Allplan will issue a message
prompting you to specify how to create the stru cture.
You cannot transfer all drawing files
If the resulting BIM model does not include all drawing files,
although the project has a building structure, this structure may not
be in compliance with IFC . In this case, the drawing files and their
contents will not be transferred.
In accordance with the regulations defining the structure of IFC files, the mandatory building structure must consist of predefined
structural levels. If the structure meets these requirements, i t is
referred to as being IFC-compliant .
In other words, you can only use particular structural levels that
must be arranged in a given sequence, reflecting the topology of a
building. For example, a building cannot be subordinate to a story.
You can use the following structural levels to create an IFC –
compliant structure: SITE, STRUCTURE, BUILDING, STORY and
SUB-STORY. You can assign drawing files only to sites, buildings
and stories.
In addition to checking the building structure manually, you can
also u se the Restrictions of building structure tool to find out
whether the building structure meets the requirements of IFC. To do
this, select the project node, open the shortcut menu, select
Restrictions of building structure and click the IFC-compliant
structure button. Any structural levels or drawing file assignments
that do not comply with these regulations are marked with a red
cross. Solve these conflicts by moving drawing files and adjusting
the building structure so that it meets the requirements of I FC. When
you have finished, export the data again.
230 You cannot select the 'Export IFC Data' tool Allplan
You cannot select the 'Export IFC Data' tool
If the
Export IFC Data tool (File menu – Export) is grayed out
and you cannot create an IFC file, you are working in the layout
editor.
As layouts are two -dimensional line drawings, you cannot write
them to IFC files. IFC is a format for exchanging 3D building models.
Therefore, you can use IFC to transfer drawing files with 3D data,
but you cannot transfer layouts. The same applies to 2D elements, such as text and dimension lines.
In order to export IFC data, switch back to drawing file mode by
closing the layout editor. You can now select the tool.
If you want to provide your planning partners with additional
information or layouts in 2D, create a separate file in addition to the IFC file. For example, you can use a file in DWG format. Your
planning partners can then import the two files into their CAD
program using the corresponding interfaces.
As the files include coordinate values, the files will be placed on top
of one another so that they are congruent. As a result, your planning
partners can process 2D information and 3D data without any
problems.
BIM Compendium Appendix I – Check Lists 231
Appendix I – Check Lists
Appendix I includes various forms, lists and documents
assisting you in planning and handling your projects in a
BIM-compliant manner using Allplan . These check lists,
which are only suggestions, help you introduce and
implement B IM in every respect.
If you have worked through this book, you have certainly
come across the references to these check lists. If you
want, you can copy these check lists and use them as
they are, or you can create your own lists based on these
templates.
Of course, you can also find these lists on Allplan
Connect , where you can download them as PDF files.
Check lists:
I: Situation at your office
II: Data exchange and formats
III: Building structure
IV: Plane model and component heights
V: Layers and format definitions
VI: Line styles, area styles
VII: Object attributes, attribute favorites
VIII: Export options
232 Check list I: Situation at your office Allplan
Check list I: Situation at your office
A Software used
1 CAD programs
☐ Allplan Version _____ No. of workstations _____
☐ AutoCAD ADT Version _____ No. of workstations _____
☐ REVIT Version _____ No. of workstations _____
☐ ArchiCAD Version _____ No. of workstations _____
☐ VectorWorks Version _____ No. of workstations _____
☐ ________ Version _____ No. of workstations _____
2 Programs for tendering, awarding and invoicing
☐ Allplan BCM Version ______ No. of workstations _____
☐ NEVARIS Version ______ No. of workstations _____
☐ CALIFORNIA Version ______ No. of workstations _____
☐ ARRIBA Version ______ No. of workstations _____
☐ ________ Version ______ No. of workstations _____
3 Facility management programs
☐ Allplan Allfa
☐ OTHER PROGRAMS ________
☐ NOT AVAILABLE
BIM Compendium Appendix I – Check Lists 233
B Network environment
1 Data storage
☐ Predefined structure
☐ Locally to stand- alone computers
☐ Centrally to data server
☐ Online, cloud -based
2 Collaboration
☐ Stand -alone computers
☐ Workgroup, teamwork
☐ Workgroup, teamwork online
C Office standard
☐ Not defined
☐ 2D templates
☐ 2D templates and 3D templates with objects and components
☐ BIM-complian t sample project with a building structure
D Method of working
☐ CAD program as a drawing tool; everything is in 2D
☐ 2D elements and components
☐ Intelligent components and objects; assigning attributes
☐ Consistent building model across all phases
234 Check li st I: Situation at your office Allplan
E BIM knowledge of employees
EMPLOYEE BIM KNOWLEDGE
Name First name Department,
Function Excellent Basic No
knowledge
BIM Compendium Appendix I – Check Lists 235
Check list II: Data exchange and formats
Construction project: Project name ______________________________
Project number ____________________________
Project manager ___________________________
Employee _________________________________
A Project must be handled in compliance with BIM
☐ Yes, requested by client ☐ No
B BIM coordinator, person in charge of model
☐ Client
☐ External project controller
☐ Project manager
☐ Another planning office
C How to exchange data
☐ Centraler data server ☐ Online, cloud -based ☐ Sending files
236 Check list II: Data exchange and formats Allplan
D Planning offices involved in project
OFFICE SOFTWARE
Program
used Version File format IFC interface
Architectural planning
☐ Yes
☐ No
Test file exchanged
☐ Successfully ☐ Not successfully ☐ Not done
Tendering, awarding,
invoicing
☐ Yes
☐ No
Test file exchanged
☐ Successfully ☐ Not successfully ☐ Not done
Structural analyses
☐ Yes
☐ No
Test file exchanged
☐ Successfully ☐ Not successfully ☐ Not done
Technical building services,
air-conditioning
☐ Yes
☐ No
Test file exchan ged
☐ Successfully ☐ Not successfully ☐ Not done
BIM Compendium Appendix I – Check Lists 237
Technical building services,
sanitary installations
☐ Yes
☐ No
Test file exchanged
☐ Successfully ☐ Not successfully ☐ Not done
Technical building services,
electrical installations
☐ Yes
☐ No
Test file exchanged
☐ Successfully ☐ Not successfully ☐ Not done
Interior fittings
☐ Yes
☐ No
Test file exchanged
☐ Successfully ☐ Not successfully ☐ Not done
Outdoor facilities
☐ Yes
☐ No
Test file exchanged
☐ Successfully ☐ Not successfully ☐ Not done
Facility management
☐ Yes
☐ No
Test file exchanged
☐ Successfully ☐ Not successfully ☐ Not done
238 Check list III: Building structure Allplan
Check list III: Building structure
Construction project: Project name ______________________________
Project number ___ _________________________
A Data structure
☐ Building structure only
☐ Building structure and fileset structure
☐ Plane model
B Structural levels in building structure
☐ Site _________________
_________________
☐ Structure _________________
_________________
☐ Building _________________
_________________
_________________
☐ Story Foundations
Basement
Ground floor
First upper floor
Second upper floor
_________________
_________________
☐ Sub-story _________________
_________________
_________________
BIM Compendium Appendix I – Check Lists 239
C Drawing files assigned to structural levels
STRUCTURAL LEVEL DRAWING FILES
From number To number Height setting
Project NOT ALLOWED
Site
Structure NOT ALLOWED
Building
Story
Foundations
Basement
Ground floor
First upper floor
240 Check list III: Building structure Allplan
Second upper floor
Sub-story NOT ALLOWED
BIM Compendium Appendix I – Check Lists 241
Check list IV: Plane model and component
heights
Construction project: Project name ______________________________
Projec t number ____________________________
A Height values of plane model
Model name ______________________________
STORY HEIGHT VALUES
Bottom level Top level Roofscape
Building as a whole
Foundations
Basement
Ground floor
First upper floor
Second upper floor
242 Check list IV: Plane model and component heights Allplan
B Height settings of components
COMPONENT HEIGHT VALUES
Plane Offset Absolute value Component
height
FOUNDATIONS
Bottom level
Top level
BOTTOM SLAB
Bottom level
Top level
EXTERIOR WALLS
Bottom level
Top level
INTERIOR WALLS
Bottom level
Top level
COLUMNS
Bottom level
Top level
BIM Compendium Appendix I – Check Lists 243
FLOOR SLABS
Bottom level
Top level
ROOF
Bottom level
Top level
Bottom level
Top level
244 Check list V: Layers and format definitions Allplan
Check list V: Layers and format definitions
Construction project: Project name ______________________________
Project number ____________________________
A Setting of resources
☐ Office -specific ☐ Project -specific
B Layer structure
☐ Like office standard
☐ Given by client
☐ Free
C Format definitions
☐ From layer ☐ Pen
☐ Line
☐ Color
☐ Line style
☐ From element
BIM Compendium Appendix I – Check Lists 245
D List of layers
LAYER DEFINITION
Short name Full name Numb er Pen Line Color Contents
246 Check list VI: Line styles, area styles Allplan
Check list VI: Line styles, area styles
Construction project: Project name ______________________________
Project number ____________________________
A Setting of resources
☐ Office -specific ☐ Project -specific
B Format definitions
� From layer � From element
C Definitions
Drawing types:
☐ Schematic design drawing
☐ Design drawing
☐ Building drawing
☐ Working drawing
☐ Presentation drawing
☐ Reinforcement drawing
☐ General arrangement drawing
☐ ___________________
Scales:
☐ 1:1
☐ 1:10
☐ 1:50
☐ 1:100
☐ 1:500
☐ 1:1000
☐ 1:2500
☐ _______
BIM Compendium Appendix I – Check Lists 247
D Line styles
LINE STYLE DEFINITION
Name Number Layer Drawing
type Scale 1:x Use
Thick continuous line 301 DE_GEN
AR_GEN ☐ ☐ Intersected edg es
Dashed line 304 SU_REFPL
AR_BEAM ☐ ☐ Soffit
Hidden edges
☐ ☐
☐ ☐
☐ ☐
248 Check list VI: Line styles, area styles Allplan
E Area styles
AREA STYLE DEFINITION
Name Number Drawing
type Scale 1:x Used for
Reinforced concrete 301 ☐ ☐ Columns, walls, downstand beams
Masonry 303
☐ ☐ Interior walls only
-> bricks
Lime-sand brick 103
☐ ☐ Exterior walls, load -bearing
-> lime -sand brick
As-built data 307 ☐ ☐ Only existing components without
information on materials
☐ ☐
☐ ☐
☐ ☐
☐ ☐
☐ ☐
☐ ☐
BIM Compendium Appendix I – Check Lists 249
Check list VII: Object attributes, attribute
favorites
Construction project: Project name ______________________________
Project number ____________________________
A Attributes defined by
☐ buildingSMART, IFC ☐ Client ☐ Yourself
B User-defined attributes
ATTRIBUTE DEFINITION
Name Num
ber Type Unit Input type Explanation
IFCObjectType 684 C – ComboBox Automatically assigned to
components
Safety classification 1392 C RC
ComboBox In compliance with DIN EN 1627
For windows and doors
Structure_load –
bearing 573 C – CheckBox
250 Check list VII: Object attributes, attribute favorites Allplan
C Attribute favorites
NAME CONTENTS
Attribute Value Use
Footing Name
Code text
Material FO
Concrete Block foundations,
strip foundations,
slab foundations
Column Name
Code text
Material
Classification
Structure_load -bearing
Fire resistance classification
Function
Inclination COLUMN
External
Yes
FXX
0° Columns
Posts, vertical
components made of
wood
Wall piers
Beam Name
Code text
Material
Classification
Structure_load -bearing
Fire resistance classification
Function
Span BE
Reinforced concrete
External
Yes
F90
Beam
xxx m Downstand beams,
upstand beams
Purlins, horizontal
components made of
wood
Upstands
Ring beam
BIM Compendium Appendix I – Check Lists 251
Check list VIII: Export options
The following points help you find the method of exchang ing
data that is best suited to a project. You should discuss these
points with your planning partners before you decide on the
method. Of course, you can also use the two methods in
combination.
1 Upload to bim+
• You upload the data straight from
Allplan in its native format.
• You do not need to convert the data.
• You do not create or save a discrete file.
• You require an Internet connection to upload the data.
• Each Allplan license includes a free account.
• You do not need any add -ons.
• Registered users can access the data online at any time.
• You can add and superimpose IFC models and SKP models.
• You can attach comments, attachments and tasks to objects.
• You cannot (yet) reimport Allplan data to bim+ .
252 Check list VIII: Export options Allplan
2 Export to IFC
• You convert the data to the software -neutral IFC format.
• The structure and contents of the model meet the specifications
laid down by buildingSMART.
• You create a discrete file that can be saved freely.
• You can transfer the file on a storage medium, by email or using
the cloud.
• You can also upload th e file to a data server or bim+.
• You require a free viewer program to open the file in its native
format.
• Depending on the program you use, you can attach comments
and attachments to the objects, albeit limited.
• You can import IFC files to numerous applications, provided they have an IFC interface.
• You can reimport the data into Allplan without problems.
Regardless of the method you choose, you must use the
appropriate software program to edit the model. Neither IFC
files nor Allplan models on bim+ can be edited directly. You
always have to reimport the data into the appropriate
program.
BIM Compendium Appendix II – Attributes 253
Appendix II – Attributes
Appendix II includes tables listing
Object numbers of components
Attributes and PSets
In addition, you can find all Allplan attributes and IFC
attributes sorted by category:
Attributes for the building topology
Attributes for the unfinished structure
Attributes for finish elements
Attributes for engineering
Attributes for IFCObjectTypes
254 Object numbers of components Allplan
Object numbers of components
Component – Object Allplan
object number Allplan
object name
Wall in general – IFCWall 1 Wall
2 Wall as a whole
Downstand beam, upstand
beam – IFCBeam 6 Downstand beam
901 Rafter
904 Roof beam
909 Beam
Column – IFCColumn 3 Column
Slab – IFCSlab 4 Slab
Roof – IFCRoof 1000 Roof covering
1003 Poly roof covering
Member – IFCMember 9 Timber element
908 Post
930 Timber element in general
Plate – IFCPlate 4 Slab
5 User-defined architectural
element
Bar reinforcement –
IFCRei nforcingBar 257 Bar reinforcement
Mesh reinforcement –
IFCReinforcingMesh 257 Mesh reinforcement
Stair – IFCStair 73 Stair
72 Stair component
71 Stair step element
Ramp – IFCRamp 1766 SmartPart
73 Stair
Window – IFCWindow 991 Smart window symbol
1766 SmartPart
0 Smart symbol
BIM Compendium Appendix II – Attributes 255
Component – Object Allplan
object number Allplan
object name
Facade – IFCCurtainWall 1764 Facade
Covering – IFCCovering 62 Vertical surface
63 Ceiling
64 Floor
Railing – IFCRailing 1765 Railing
Furnishings, equipment –
IFCFurnishingElement 0 Smart symbol
1766 SmartPart
3005 Furniture
Room – IFCSpace 61 Room
256 Overview of attributes and PSets Allplan
Overview of attributes and PSets
Base Quantities (geometric attributes )
Element IFC attribute Allplan attribute Attribute
numbe r Allplan group
Foundation –
IFCFooting Width Thickness 221 (199) AR_Quantities
Length Length 220 AR_Quantities
Height Height 222 AR_Quantities
NetVolume Net volume 226 AR_Quantities
Wall – IFCWall GrossVolume Volume 223 AR_Quantities
NetVolume Net volume 226 AR_Quantities
GrossSideArea Area 229 AR_Quantities
NetSideArea Area 229 AR_Quantities
NominalLength Length 220 AR_Quantities
NominalWidth Thickness 221 AR_Quantities
GrossFootprintArea Base area 224 AR_Quantities
NominalHeight Height 222 AR_Quantities
Downstand beam –
IFCBeam GrossFootprint(Section)Area Cross -section area
Section
Length Length 220 AR_Quantities
GrossVolume Volume 223 AR_Quantities
NetVolume Net volume 226 AR_Quantities
OuterSurfaceArea Surface,
surface s hell 722 AR_Quantities
Column –
IFCColumn Height Height 222 AR_Quantities
GrossVolume Volume 223 AR_Quantities
NetVolume Net volume 226 AR_Quantities
OuterSurfaceArea Surface,
surface shell 722 AR_Quantities
GrossFloor(Section)Area Floor _surface 293 AR_Quantities
BIM Compendium Appendix II – Attributes 257
Element IFC attribute Allplan attribute Attribute
numbe r Allplan group
Slab –
IFCSlab GrossVolume Volume 223 AR_Quantities
NetVolume Net volume 226 AR_Quantities
GrossSideArea Area 229 AR_Quantities
Roof – IFCRoof SurfaceArea Area 229 AR_Quantities
ProjectedArea Projected area 1397 IFC
Member –
IFCMember Height Height 222 AR_Quantities
GrossVolume Volume 223 AR_Quantities
NetVolume Net volume 226 AR_Quantities
OuterSurfaceArea Surface,
surface shell 722 AR_Quantities
GrossFloor(Section)Area Floor 293 AR_Quantities
Plate –
IFCPlate Gross Volume Volume 223 AR_Quantities
NetVolume Net volume 226 AR_Quantities
GrossSideArea Area 229 AR_Quantities
Width Height 222 AR_Quantities
Stair –
IFCStair Length Length 220 AR_Quantities
Volume Volume 223 AR_Quantities
Ramp – IFCRamp Length Length 220 AR_Quantities
GrossSideArea Area 229 AR_Quantities
Volume Volume 223 AR_Quantities
Window –
IFCWindow OverallWidth/Length Length 220 AR_Quantities
OverallHeight Height 222 AR_Quantities
NominalArea Area 229 AR_Quantities
Perimeter Perime ter 228 AR_Quantities
Door – IFCDoor OverallWidth/Length Length 220 AR_Quantities
OverallHeight Height 222 AR_Quantities
NominalArea Area 229 AR_Quantities
Perimeter Perim 228 AR_Quantities
258 Overview of attributes and PSets Allplan
Element IFC attribute Allplan attribute Attribute
numbe r Allplan group
Facade –
IFCCurtainWall Length Length 220 AR_Quantities
Height Height 222 AR_Quantities
Width Thickness 221 AR_Quantities
GrossArea Area 229 AR_Quantities
Covering –
IFCCovering GrossArea Area 230 AR_Quantities
TotalThickness Absolute _Thickness 199 AR_Quantities
Railing – IFCRailing Length Length 220 AR_Quantities
Area Area 229 AR_Quantities
Furnishings,
equipment –
IFCFurnishing Length Length 220 AR_Quantities
Width Thickness 221 AR_Quantities
Height Height 222 AR_Quantities
Room – IFCSpace FinishFloorHeight TLFF 112+MT_Boden
(∑ 211) Formula
FinishCeilingHeight BLFC 113-MT_Decke
(∑ 211) Formula
ElevationWithFlooring Height of floor
structure MT_Boden
(∑ 211) Formula
GrossWallArea Wall area
NetVolume Net volume 226 AR_Quantities
NetFloorArea Floor 293 AR_Quantities
GrossVolume Volume 223 AR_Quantities
CrossSectionArea Cross -section area
NetPerimeter Perim 228 AR_Quantities
NetWallArea Wall area
BIM Compendium Appendix II – Attributes 259
PSet Common (general element properties)
Element IFC attribu te Allplan attribute Attribute
number Allplan group
Foundation –
IFCFooting Material.Name Material 508 AR_General
Reference Code text 83 AR_General
Status Building a lteration category 49 AR_General,
IFC, …
Wall –
IFCWall LoadBearing Structure_load -bearing 573 AR_General, IFC
IsExternal Classification 618 IFC
AcousticRating Sound transmission class 1373 IFC
Status Alteration category 49 AR_General,
IFC, …
FireRating Fire resistance classification 935 IFC
Combustible Flammable 1371 IFC
SurfaceSpreadOfFlame Fire behavior 1372 IFC
Compartmentation Defining fire compartment 1396 General, IFC
ThermalTransmittance U-value 981 IFC
ExtendedToStructure Room -high
Downstand beam –
IFCBeam Reference Code text 83 AR_General
Status Alteratio n category 49 AR_General,
IFC, …
LoadBearing Structure_load -bearing 573 AR_General, IFC
IsExternal Classification 618 IFC
FireRating Fire resistance classification 935 IFC
ThermalTransmittance U-value 981 IFC
Slope Inclination 909 IFC, thermal
insulation
Span Span 1374 IFC
Roll Tilt angle
260 Overview of attributes and PSets Allplan
Element IFC attribu te Allplan attribute Attribute
number Allplan group
Column –
IFCColumn Reference Code text 83 AR_General
Status Alteration category 49 AR_General,
IFC, …
LoadBearing Structure_load -bearing 573 AR_General, IFC
IsExternal Classification 618 IFC
FireRating Fire resistance classification 935 IFC
ThermalTransmittance U-value 981 IFC
Slope Inclination 909 IFC, thermal
insulation
Roll Tilt angle
Slab – IFCSlab Reference Code text 83 AR_General
Status Alteration category 49 AR_General,
IFC, …
LoadBearing Structure_load -bearing 573 AR_General, IFC
IsExternal Classification 618 IFC
AcousticRating Sound transmission class 1373 IFC
FireRating Fire resistance classification 935 IFC
Combustible Inflammable 1371 IFC
SurfaceSpreadOfFlame Fire behavior 1372 IFC
Compartmentation Defining fire compartment 1396 General, IFC
PitchAngle Inclination 909 IFC, thermal
insulation
ThermalTransmittance U-value 981 IFC
Roof – IFCRoof Reference Code text 83 AR_General
Status Building a lteratio n category 49 AR_General,
IFC, …
AcousticRating Sound transmission class 1373 IFC
ThermalTransmittance U-value 981 IFC
IsExternal Classification 618 IFC
FireRating Fire resistance classification 935 IFC
BIM Compendium Appendix II – Attributes 261
Element IFC attribu te Allplan attribute Attribute
number Allplan group
Member –
IFCMember Reference Code text 83 AR_General
Status Building a lteration category 49 AR_General,
IFC, …
LoadBearing Structure_load -bearing 573 AR_General, IFC
IsExternal Classification 618 IFC
ThermalTransmittance U-value 981 IFC
FireRating Fire resistance classification 935 IFC
Slope Inclination 909 IFC, thermal
insulation
Span Span 1374 IFC
Roll Tilt angle
Plate – IFCPlate Reference Code text 83 AR_General
Status Building a lteration category 49 AR_General,
IFC, …
LoadBearing Structure_load -bearing 573 AR_General, I FC
IsExternal Classification 618 IFC
FireRating Fire resistance classification 935 IFC
AcousticRating Sound transmission class 1373 IFC
ThermalTransmittance U-value 981 IFC
Stair –
IFCStair Reference Code text 83 AR_General
Status Building a lteration category 49 AR_General,
IFC, …
NumberOfRiser Number of r ises 88 AR_Quantities
NumberOfTreads Treads
AR_Quantities
RiserHeight Rise 89 AR_Quantities
TreadLength Tread width 90 AR_Quantities
NosingLength Nosing
WalkingLineOffset Offset of walking line
TreadLengthAtInnerLine Minimum tread length on
the inside
TreadLenghtAtOffset Tread length at offset
262 Overview of attributes and PSets Allplan
Element IFC attribu te Allplan attribute Attribute
number Allplan group
WaistThickness Minimum thickness of stair
flight
RequiredHeadroom Clearance required 1377 IFC
IsExternal Classification 618 IFC
FireRating Fire resistance classification 935 IFC
FireExit Emergency exit 1381 IFC, windows
and doors
HandicapAccessible Suitable for the disabled 1375 IFC
HasNonSkidSurface Skidproof 1406 AR_General, IFC
Ramp – IFCRamp Reference Code text 83 AR_General
Status Building a lteration category 49 AR_General,
IFC, …
RequiredHeadroom Clearance required 1377 IFC
RequiredSlope Inclination required 1378 IFC
HandicapAccessible Suitable for the disabled 1375 IFC
IsExternal Classification 618 IFC
Slope Inclination 909 IFC, thermal
insulation
Diameter Diameter 759 AR_Quantities
FireExit Emergency exit 1381 IFC, windows
and doors
FireRating Fire resistance classification 935 IFC
HasNonSkidSurface Skidproof 1406 AR_General, IFC
Window –
IFCWindow GlazingAreaFraction Glass content 621 IFC
ThermalTransmittance U-value 981 IFC
Reference Code text 83 AR_General
Status Building a lteration category 49 AR_General,
IFC, …
IsExternal Classification 618 IFC
AcousticRating Sound tr ansmission class 1373 IFC
FireRating Fire resistance classification 935 IFC
SecurityRating Safety category 1392 IFC
BIM Compendium Appendix II – Attributes 263
Element IFC attribu te Allplan attribute Attribute
number Allplan group
SmokeStop Smoke protection 1379 IFC
Infiltration Air permeability
HasSillExternal Window sill on the outside
HasSillInternal Window sill on the inside
HasDrive Automatic drive
FireExit Emergency exit 1381 IFC, windows
and doors
Door – IFCDoor GlazingAreaFraction Glass content 621 IFC
ThermalTransmittance U-value 981 IFC
Reference Code text 83 AR_General
Status Building a lteration category 49 AR_General,
IFC, …
IsExternal Classification 618 IFC
AcousticRating Sound transmission class 1373 IFC
FireRating Fire resistance classification 935 IFC
FireExit Emergency exit 1381 IFC, windows
and doors
Smoke Stop Smoke protection 1379 IFC
SecurityRating Safety category 1392 IFC
DurabilityRating Door_wear rating 27519 Windows, doors
HygrothermalRating Door_climate class 27515 Windows, doors
Infiltration Air permeability
GlazingAreaFraction Glass con tent 621 IFC
SelfClosing Self-closing 1380 IFC
HasDrive Automatic drive
ThermalTransmittance U-value 981 IFC
HandicapAccessible Suitable for the disabled 1375 IFC
264 Overview of attributes and PSets Allplan
Element IFC attribu te Allplan attribute Attribute
number Allplan group
Facade –
IFCCurtainWall Reference Code text 83 AR_General
Status Building alteration category 49 AR_General,
IFC, …
FireRating Fire resistance classification 935 IFC
AcousticRating Sound transmission class 1373 IFC
ThermalTransmittance U-value 981 IFC
IsExternal Classification 618 IFC
FireExit Emergency exit 1381 IFC
Combustible Inflammable 1371 IFC
SurfaceSpreadOfFlame Fire behavior 1372 IFC
Covering –
IFCCovering Reference Code text 83 AR_General
Status Building a lteration category 49 AR_General,
IFC, …
FireRating Fire resistance classification 935 IFC
Flammability Flammability rating 1398 General, IFC
AcousticRating Sound transmission class 1373 IFC
FragilityRating Fragility
SurfaceSpreadOfFlame Fire behavior 1372 IFC
Combustible Inflammable 1371 IFC
ThermalTransmittance U-value 981 IFC
Finish Surface finish 1394 General, IFC
Railing – IFCRailing Reference Code text 83 AR_General
Status Building a lteration category 49 AR_General,
IFC, …
IsExternal Classification 618 IFC
Height Height 222 AR_Quantities
Diameter Diameter 759 AR_Quantities
BIM Compendium Appendix II – Attributes 265
Element IFC attribu te Allplan attribute Attribute
number Allplan group
Furnishings,
equipment –
IFCFurnishing
Element Beschreibung Description
Style Type 1121 Cadastral plan
NominalHeight Nominal height
NominalLength Nominal length
NominalDepth Nominal depth
MainColor Primary color
IsBuiltIn Built-in, movable
Room – IFCSpace Reference Code text 83 AR_General
IsExternal Classification 618 IFC
HandicapAccessible Suitable for the disabled 1375 IFC
PubliclyAccessible Publicly accessible
GrossPlannedArea Base area_pl anned
NetPlannedArea Net area_planned
Site – IFCSite Reference Code text 83 AR_General
TotalArea Gross plot area 550 Project
SiteCoverageRatio Max. floor area ratio 557 Urban planning
FloorAreaRatio Max. site occupancy index 555 Urban p lanning
BuildableArea Area available for building 548 Project
BuildingHeightLimit Maximum building height 549 Project
Building –
IFCBuilding Reference Code text 83 AR_General
ConstructionMethod Type of c onstruction / load-
bearing structure 463 Project
FireProtectionClass Fire-protection rating of
building
SprinklerProtection Sprinkler system 1399 AR_General, IFC
SprinklerProtection
Automatic Automatic sprinkler
protection
266 Overview of attributes and PSets Allplan
Element IFC attribu te Allplan attribute Attribute
number Allplan group
GrossPlannedArea Gross floor area 465 Project
NetPlannedAre a Net floor area
OccupancyType Building type 462 Project
BuildingID Building ID 696 Project
IsPermanentID Building identifier,
permanent
YearOfConstruction Year_of_completion 1111 Project
YearOfLastRefurbishme
nt Last renovation
IsLandmark ed Landmarked
Story – IFCStorey Reference Code text 83 AR_General
GrossPlannedArea Gross floor area 465 Project
NetPlannedArea Net floor area
EntranceLevel Entrance level
AboveGround Above ground
SprinklerProtection Sprinkler system 1399 General, IFC
SprinklerProtection
Automatic Automatic sprinkler
protection
LoadBearingCapacity Load-bearing capacity of
floor slab
BIM Compendium Appendix II – Attributes 267
Additional PSet (special element properties)
Element IFC PropertySet IFC
attribute Allplan
attribute Attribute
number Allplan
group
Window –
IFCWindow Pset_DoorWindow
GlazingType GlassLayers Number of
panes
Pset_DoorWindow
GlazingType FillGas Gas filling
Pset_DoorWindow
GlazingType GlassColor Glass color
Pset_DoorWindow
GlazingType IsTempered Tempered
Pset_DoorWindow
GlazingType IsLaminated Laminated
Pset_DoorWindow
GlazingType IsCoated Coated
Pset_DoorWindow
GlazingType IsWired Wire glass
Pset_DoorWindow
GlazingType Visibl eLight
Reflectance Light
reflectance
value
Pset_DoorWindow
GlazingType VisibleLight
Transmittance Luminous
transmission
Pset_DoorWindow
GlazingType SolarAbsorption Absorption factor for solar
radiation
Pset_DoorWindow
GlazingType SolarTransmitt ance Transmittance
factor for solar
radiation
Pset_DoorWindow
GlazingType SolarHeatGain
Transmittance Total energy
transmittance
Pset_DoorWindow
GlazingType ThermalTransmittance
Summer/Winter U-value 981 IFC
Pset_DoorWindow
GlazingType ShadingCoe fficient Shadow 620 IFC
268 Overview of attributes and PSets Allplan
Element IFC PropertySet IFC
attribute Allplan
attribute Attribute
number Allplan
group
Pset_Manufacturer
TypeInformation ArticleNumber Article_ number 241 FM
Manager
Pset_Manufacturer
TypeInformation GlobalTradeItem
Number EAN, bar code
Pset_Manufacturer
TypeInformation ModelReference Model number 1382 IFC
Pset_Manufacturer
TypeInformation ModelLabel Model name 1383 IFC
Pset_Manufacturer
TypeInformation Manufacturer Producer 1136 IFC,
cadastral
plan
Pset_Manufacturer
TypeInformation ProductionYear Production year 1393 IFC
Pset_Manufacturer
TypeInformati on AssemblyPlace Installation site
Door – IFCDoor Pset_DoorWindow
GlazingType GlassLayers Number of
panes
Pset_DoorWindow
GlazingType FillGas Gas filling
Pset_DoorWindow
GlazingType GlassColor Glass color
Pset_DoorWindow
GlazingType IsTemper ed Tempered
Pset_DoorWindow
GlazingType IsLaminated Laminated
Pset_DoorWindow
GlazingType IsCoated Coated
Pset_DoorWindow
GlazingType IsWired Wire glass
Pset_DoorWindow
GlazingType VisibleLight
Reflectance Light
reflectance
value
Pset_D oorWindow
GlazingType VisibleLight
Transmittance Luminous
transmission
BIM Compendium Appendix II – Attributes 269
Element IFC PropertySet IFC
attribute Allplan
attribute Attribute
number Allplan
group
Pset_DoorWindow
GlazingType SolarAbsorption Absorption
factor for solar
radiation
Pset_DoorWindow
GlazingType SolarTransmittance Transmittance factor for solar
radiation
Pset_DoorWindow
GlazingType SolarHeatGain
Transmittance Total energy
transmittance
Pset_DoorWindow
GlazingType ThermalTransmittance
Summer/Winter U-value 981 IFC
Pset_DoorWindow
GlazingType ShadingCoefficient Shadow 620 IFC
Pset_Manufacturer
TypeInfor mation ArticleNumber Article_ number 241 FM
Manager
Pset_Manufacturer
TypeInformation GlobalTradeItem
Number EAN, bar code
Pset_Manufacturer
TypeInformation ModelReference Model number 1382 IFC
Pset_Manufacturer
TypeInformation ModelLabel Model name 1383 IFC
Pset_Manufacturer
TypeInformation Manufacturer Producer 1136 IFC,
cadastral
plan
Pset_Manufacturer
TypeInformation ProductionYear Production year 1393 IFC
Pset_Manufacturer
TypeInformation AssemblyPlace Installation site
270 Overview of attributes and PSets Allplan
Element IFC PropertySet IFC
attribute Allplan
attribute Attribute
number Allplan
group
Facade –
IFCCu rtainWall Pset_Manufacturer
TypeInformation ArticleNumber Article_ number 241 FM
Manager
Pset_Manufacturer
TypeInformation GlobalTradeItem
Number EAN, bar code
Pset_Manufacturer
TypeInformation ModelReference Model number 1382 IFC
Pset_Manufacturer
TypeInformation ModelLabel Model name 1383 IFC
Pset_Manufacturer
TypeInformation Manufacturer Producer 1136 IFC,
cadastral
plan
Pset_Manufacturer
TypeInformation ProductionYear Production year 1393 IFC
Pset_Manufacturer
TypeInformation AssemblyPlace Installation site
Furnishings,
equipment –
IFCFurnishing Pset_Manufacturer
TypeInformation ArticleNumber Article_ number 241 FM
Manager
Pset_Manufacturer
TypeInformation GlobalTradeItem
Number EAN, bar code
Pset_Manufacturer
TypeInformation ModelRe ference Model number 1382 IFC
Pset_Manufacturer
TypeInformation ModelLabel Model name 1383 IFC
Pset_Manufacturer
TypeInformation Manufacturer Producer 1136 IFC,
cadastral
plan
Pset_Manufacturer
TypeInformation ProductionYear Production year 1393 IFC
Pset_Manufacturer
TypeInformation AssemblyPlace Installation site
BIM Compendium Appendix II – Attributes 271
Element IFC PropertySet IFC
attribute Allplan
attribute Attribute
number Allplan
group
Room –
IFCSpace IFC_Classification
Reference ItemReference Occupancy_
type_DIN277 235 DIN 277,
IFC
IFC_Classification
Reference Name Area_type_ 277 232 DIN 277
Pset_SpaceThermal
Requirements SpaceTemperature
Max Temperature_
max 1405 IFC,
General
Pset_SpaceThermal
Requirements SpaceTemperature
Min Temperature_
min 1404 IFC,
General
Pset_SpaceThermal
Requirements SpaceHumidity Air humidity 1401 IFC,
General
Pset_SpaceThermal
Requirements SpaceHumidityMax Humidity_max
Pset_SpaceThermal
Requirements SpaceHumidityMin Humidity_min
Pset_SpaceThermal
Requirements SpaceHumidity
Summer Humidity_
cooling
Pset_SpaceThermal
Requirements SpaceHumidity Winter Humidity_
heating
Pset_SpaceThermal
Requirements NaturalVentilation Natural
ventilation 1402 IFC,
General
Pset_SpaceThermal
Requirements NaturalVentilation
Rate Natural
air change rate
Pset_SpaceThermal
Requirements MechanicalVentilation
Rate Mechanical
air chang e rate
Pset_SpaceThermal
Requirements AirConditioning Air-conditioned 1403 IFC,
General
Pset_SpaceThermal
Requirements AirConditioning
Central Central
air-conditioner
Pset_SpaceLighting
Requirements ArtificialLighting Artificial light 1400 IFC,
General
Pset_SpaceLighting
Requirements Illuminance Illuminance
Pset_SpaceFire
SafetyRequirements FireRiskFactor Flammability
rating 1398 General,
IFC
Pset_SpaceFire
SafetyRequirements SprinklerProtection Sprinkler
system 1399 General,
IFC
272 Overview of attributes and PSets Allplan
Element IFC PropertySet IFC
attribute Allplan
attribute Attribute
number Allplan
group
Pset_SpaceFire
SafetyRequirements SprinklerProtection
Automatic Automatic
sprinkler
protection
Pset_SpaceFire
SafetyRequirements FireExit Emergency exit 1381 IFC
Pset_SpaceFire
SafetyRequirements AirPressurization Air pressure
equalization
Additi onal attributes (additional element properties)
Element IFC attribute Allplan attribute Attribute
number Allplan group
Foundation –
IFCFooting Name Name 507 AR_General, IFC
Wall – IFCWall Name Name 507 AR_General, IFC
LongName Function 506 AR_General, IFC
Material.Name Material 508 AR_General
Flammability Flammability rating 1398 General, IFC
Downstand
beam –
IFCBeam Name Name 507 AR_General, IFC
LongName Function 506 AR_General, IFC
Material.Name Material 508 AR_General
Column –
IFCColumn Name Name 507 AR_General, IFC
LongName Function 506 AR_General, IFC
Material.Name Material 508 AR_General
Slab – IFCSlab Name Name 507 AR_General, IFC
LongName Function 506 AR_General, IFC
Material.Name Material 508 AR_General
ProductionYear Production year 1393 IFC
ConcreteDensity Concrete grade 1063 Precast elements
BIM Compendium Appendix II – Attributes 273
Element IFC attribute Allplan attribute Attribute
number Allplan group
Roof – IFCRoof Name Name 507 AR_General, IFC
LongName Function 506 AR_General, IFC
SolarPanel Solar installation
Member –
IFCMember Name Name 507 AR_General, IFC
LongName Function 506 AR_General, IFC
Plate –
IFCPlate Name Name 507 AR_General, IFC
LongName Function 506 AR_General, IFC
Stair –
IFCStair Name Name 507 AR_General, IFC
LongName Function 506 AR_Gen eral, IFC
Ramp –
IFCRamp Name Name 507 AR_General, IFC
LongName Function 506 AR_General, IFC
Window –
IFCWindow Name Name 507 AR_General, IFC
LongName Function 506 AR_General, IFC
ConstructionType Type 764 IFC, engineering
Door – IFCDoor Name Name 507 AR_General, IFC
LongName Function 506 AR_General, IFC
ConstructionType Type 764 IFC, engineering
OperationType Door swing symbol 162
Facade –
IFCCurtainWall Name Name 507 AR_General, IFC
LongName Function 506 AR_General, IFC
Material.Name Material 508 AR_General
274 Overview of attributes and PSets Allplan
Element IFC attribute Allplan attribute Attribute
number Allplan group
Covering –
IFCCovering Name Name 507 AR_General, IFC
LongName Function 506 AR_General, IFC
Material.Name Material 508 AR_General
Railing –
IFCRailing Name Name 507 AR_General, IFC
LongName Function 506 AR_General, IFC
Mate rial Material 508 AR_General
Slope Inclination 909 IFC, thermal
insulation
Furnishings,
equipment –
IFCFurnishing Name Name 507 AR_General, IFC
LongName Function 506 AR_General, IFC
Reference Code text 83 AR_General
ItemReference Classification k ey 1395 General, Object
Manager
Room –
IFCSpace Name Name 507 AR_General, IFC
LongName Function 506 AR_General, IFC
Site – IFCSite Name Project number 936 Project
LongName Project name 405 Project
Longitude Geographical l ongitude 1217 Project
Latitude Latitude 1218 Project
Elevation Height above mean sea level 585 Project
AddressLine Construction project address 1094 Project
Town Construction project ZIP
code/city 923 Project
Region State 290 Project
PostalCode Construction project ZIP
code/city 923 Project
Country Country 289 Project
BIM Compendium Appendix II – Attributes 275
Element IFC attribute Allplan attribute Attribute
number Allplan group
Building –
IFCBuilding Name Project number 936 Project
LongName Project name 405 Project
AddressLine Construction project address 1094 Project
Town Construction project ZIP
code/city 923 Project
Region Region, state 290 Project
PostalCode Construction project ZIP
code/city 923 Project
Country Country 289 Project
Story –
IFCStorey Name Project number 936 Project
LongName Project name 405 Project
Height Height
276 All Allplan attributes and IFC attributes Allplan
All Allplan attributes and IFC attributes
The pages that follow list all Allplan attributes and IFC attributes
including the associated PSets, attribute names and attribute
numbers.
Attributes for the building topology
You can use the project properties to assign topology attributes.
When you export the data, these attributes will automatically be
assigned to the appropriate structural levels.
Component –
Object Attribute description IFC attribute IFC PSet Allplan attribute Attribute
number Category
Site – IFCSite Short name (number) Name
Project number 936 Project
Description,
full name LongName
Project name 405 Project
Longitude Longitude
Geographical l ongitude 1217 Project
Latitude Latitude
Latitude 1218 Project
Height above mean sea level Elevation
Height above mean sea
level 585 Project
Address AddressLine
Construction project
address 1094 Project
City Town
Construction project ZIP
code/city 923 Project
Region, state Region
State 290 Project
ZIP code PostalCode
Construction project ZIP
code/city 923 Project
Country Country
Country 289 Project
Site classification Reference Pset_SiteCommon Code text 83 AR_General
Area available for building BuildableArea Pset_Site Common Area available for
building 548 Project
Site occupancy index SiteCoverageRatio Pset_SiteCommon Max. floor area ratio 557 Urban
planning
Floor area ratio FloorAreaRatio Pset_SiteCommon Max. site occupancy index 555 Urban
planning
Maximum height of building BuildingHeightLimit Pset_SiteCommon Maximum building height 549 Project
Gross plot area TotalArea Pset_SiteCommon Gross plot area 550 Project
Component –
Object Attribute description IFC attribute IFC PSet Allplan attribute Attribute
number Category
Building –
IFCBuilding Part of site Decomposes Relations
Short name (number) Name
Project number 936 Project
Description, full name LongName
Project name 405 Project
Address AddressLine
Construction project
address 1094 Project
City Town
Construction project ZIP
code/city 923 Project
Region, state Region
State 290 Project
ZIP code PostalCode
Construction project ZIP
code/city 923 Project
Country Country
Country 289 Project
Building classification Reference Pset_BuildingCommon Code text 83 AR_General
Construction method ConstructionMethod Pset_BuildingCommon Construct ion type, load-
bearing structure 463 Project
Fire-protection rating of
building FireProtectionClass Pset_BuildingCommon
Sprinkler protection SprinklerProtection Pset_BuildingCommon Sprinkler system 1399 General, IFC
Automatic sprinkler protection SprinklerProtection
Automatic Pset_BuildingCommon
Gross area, planned GrossPlannedArea Pset_BuildingCommon Gross floor area 465 Project
Net area, planned NetPlannedArea Pset_BuildingCommon
Building ID BuildingID Pset_BuildingCommon Building ID 696 Project
Occupancy type OccupancyType Pset_BuildingCommon Building type 462 Project
Year of construction YearOfConstruction Pset_BuildingCommon Year of construction 1111 Project
Year of last renovation YearOfLast
Refurbishment Pset_BuildingCommon
Landmarked IsLandmarked Pset_BuildingCommon
Component –
Object Attribute description IFC attribute IFC PSet Allplan attribute Attribute
number Category
Story –
IFCBuildingStorey Part of building Decomposes Relations
Short name (number) Name
Project number 936 Project
Description, full name LongName
Project name 405 Project
Gross floor height GrossHeight
Net floor height NetHeight
Story classification Reference Pset_StoreyCommon Code text 83 AR_General
Gross area, planned GrossPlannedArea Pset_StoreyCommon Gross floor area 465 Project
Net area, planned NetPlannedArea Pset_Storey Common
Entrance level EntranceLevel Pset_StoreyCommon
Story above ground AboveGround Pset_StoreyCommon
Sprinkler protection SprinklerProtection Pset_StoreyCommon Sprinkler system 1399 General, IFC
Automatic sprinkler protection SprinklerProtection
Automatic Pset_StoreyCommon
Load- bearing capacity of floor
slab LoadBearingCapacity Pset_StoreyCommon
280 All Allplan attributes and IFC attributes Allplan
Attributes for the unfinished structure
BaseQuantities are geomet ric values the element gets automatically.
Relations are the results of assignments to structural levels or
PARENT_CHILD connections.
Component –
Object Attribute description IFC attribute IFC PSet Allplan attribute Attribute
number Category
Foundation –
IFCFooting Foundation name (number) Name
Name 507 AR_General, IFC
Thickness Width BaseQuantities Thickness 221 (199) AR_Quantities
Length Length BaseQuantities Length 220 AR_Quantities
Height Height BaseQuantities Height 222 AR_Quantities
Gross base area GrossFootprintArea BaseQuantities
AR_Quantities
Net base area NetFootprintArea BaseQuantities Area 229 AR_Quantities
Gross volume GrossVolume BaseQuantities Volume 223 AR_Quantities
Net volume NetVolume BaseQuantities Net volume 226 AR_Quantities
Material Material.Name Pset_FootingCommon Material 508 AR_General
Foundation type Reference Pset_FootingCommon Code text 83 AR_General
Status Status Pset_FootingCommon Building a lteration
category 49 AR_General, IFC, …
Wall –
IFCWall Wall name (number) Name
Name 507 AR_General, IFC
Description, full name LongName
Function 506 AR_General, IFC
Associated story ContainedInStructure ::
IfcBuildingStorey Relations
Openings HasOpenings ::
IfcOpeningElement Relations
Thickness Width BaseQuantities Thickness 221 AR_Quantities
Length Length BaseQuantities Length 220 AR_Quantities
Height Height BaseQuantities Height 222 AR_Quantities
Gross area GrossSideArea BaseQuantities Area 229 AR_Quantities
Net area NetSideArea BaseQuan tities Area 229 AR_Quantities
Gross volume GrossVolume BaseQuantities Volume 223 AR_Quantities
Net volume NetVolume BaseQuantities Net volume 226 AR_Quantities
Component –
Object Attribute description IFC attribute IFC PSet Allplan attribute Attribute
number Category
General wall properties (PsetCommon) must be assigned to the wall as a whole.
Wall ty pe Reference
Code text 83 AR_General
Status Status Pset_WallCommon Building a lteration
category 49 AR_General, IFC, …
Material Material.Name
Material 508 AR_General
Load-bearing / non -bearing LoadBearing Pset_WallCommon Structure_load –
bearing 573 AR_General, IFC
Exterior wall / interior wall IsExternal Pset_WallCommon Classification 618 IFC
Sound insulation classification AcousticRating Pset_WallCommon Sound transmission
class 1373 IFC
Fire behavior SurfaceSpreadOfFlame Pset_WallCommon Fire behavior 1372 IFC
Flammable Combustible Pset_WallCommon Inflammable 1371 IFC
Fire resistance classification FireRating Pset_WallCommon Fire resistance
classification 935 IFC
Defining fire compartment Compartmentation Pset_WallCommon Defining fire
compartment 1396 General, IFC
U-value ThermalTransmittance Pset_WallCommon U-value 981 IFC
Room -high ExtendedToStructure Pset_WallCommon
Component –
Object Attribute description IFC attribute IFC PSet Allplan attribute Attribute
number Category
Beam, down –
stand beam –
IFCBeam Name (number) of beam Name
Name 507 AR_General, IFC
Description, full name LongName
Function 506 AR_General, IFC
Associated story ContainedInStructure ::
IfcBuildingStorey Relations
Openings HasOpenings ::
IfcOpeningElement Relations
Length Length BaseQuantities Length 220 AR_Quantities
Cross -section area CrossSectionArea BaseQuantities (using the section)
Surface OuterSurfaceArea BaseQuantities Surface 722 AR_Quantities
Gross volume GrossVolume BaseQuantities Volume 223 AR_Quantities
Net volume NetVolume BaseQuantities Net volume 226 AR_Quantities
Material of beam Material.Name
Material 508 AR_General
Beam type Reference Pset_BeamCommon Code text 83 AR_General
Status Status Pset_BeamCommon Building a lteration
category 49 AR_General, IFC, …
Load- bearing / non -bearing
beam LoadBearing Pset_Beam Common Structure_
load-bearing 573 AR_General, IFC
Exterior beam / interior beam IsExternal Pset_BeamCommon Classification 618 IFC
Fire resistance classification FireRating Pset_BeamCommon Fire resistance
classification 935 IFC
U-value ThermalTransm ittance Pset_BeamCommon U-value 981 IFC
Inclination Slope Pset_BeamCommon Inclination 909 Thermal insulation,
IFC
Span Span Pset_BeamCommon Span 1374 IFC
Tilt angle Roll Pset_BeamCommon
Component –
Object Attribute description IFC attribute IFC PSet Allplan attribute Attribute
number Category
Column –
IFCColumn Name (number) of column Name
Name 507 AR_General, IFC
Description, full name LongName
Function 506 AR_General, IFC
Associated story ContainedInStructure ::
IfcBuildingStorey Relations
Openings HasOpenings ::
IfcOpeningElement Relations
Length Length BaseQuantities Height 222 AR_Quantities
Cross -section area CrossSectionArea BaseQuantities Floor 293 AR_Quantities
Surface OuterSurfaceArea BaseQuantities Surface 722 AR_Quantities
Gross volume GrossVolume BaseQuantities Volume 223 AR_Quantities
Net volume NetVolume BaseQuantities Net volume 226 AR_Quantities
Material of column Material.Name
Material 508 AR_General
Column type Reference Pset_ColumnCommon Code text 83 AR_General
Status Status Pset_ColumnCommon Building a lteration
category 49 AR_General, IFC, …
Load-bearing / non -bearing
column LoadBearing Pset_ColumnCommon Structure_
load-bearing 573 AR_General, IFC
Exterior column / interior
column IsExternal Pset_ColumnCommon Classification 618 IFC
Fire resistance classification FireRating Pset_ColumnCommo n Fire resistance
classification 935 IFC
U-value ThermalTransmittance Pset_ColumnCommon U-value 981 IFC
Inclination Slope Pset_ColumnCommon Inclination 909 Thermal insulation,
IFC
Tilt angle Roll Pset_ColumnCommon
Component –
Object Attribute description IFC attribute IFC PSet Allplan attribute Attribute
number Category
Slab – IFCSlab Name (num ber) of slab Name
Name 507 AR_General, IFC
Description, full name LongName
Function 506 AR_General, IFC
Associated story ContainedInStructure ::
IfcBuildingStorey Relations
Openings HasOpenings ::
IfcOpeningElement Relations
Thickness Width BaseQuantities Height 222 AR_Quantities
Gross area GrossSideArea BaseQuantities Area 229 AR_Quantities
Net area NetSideArea
Area 229 AR_Quantities
Gross volume GrossVolume BaseQuantities Volume 223 AR_Quantities
Net volume NetVolume BaseQuantiti es Net volume 226 AR_Quantities
Slab type Reference Pset_SlabCommon Code text 83 AR_General
Status Status Pset_SlabCommon Building a lteration
category 49 AR_General, IFC, …
Load- bearing / non -bearing
slab LoadBearing Pset_SlabCommon Structure_
load-bearing 573 AR_General, IFC
Exterior component IsExternal Pset_SlabCommon Classification 618 IFC
Sound insulation classification AcousticRating Pset_SlabCommon Sound transmission
class 1373 IFC
Fire resistance classification FireRating Pset_SlabCom mon Fire resistance
classification 935 IFC
Flammable Combustible Pset_SlabCommon Inflammable 1371 IFC
Fire behavior SurfaceSpreadOfFlame Pset_SlabCommon Fire behavior 1372 IFC
Defining fire compartment Compartmentation Pset_SlabCommon Defining fire
compartment 1396 General, IFC
Inclination Slope Pset_SlabCommon Inclination 909 Thermal insulation,
IFC
Component –
Object Attribute description IFC attribute IFC PSet Allplan attribute Attribute
number Category
U-value ThermalTransmittance Pset_SlabCommon U-value 981 IFC
Concrete density ConcreteDensity
Concrete grade 1095 Precast elements
Roof –
IFCRoof Name (number) of roof Name
Name 507 AR_General, IFC
Description, full name LongName
Function 506 AR_General, IFC
Associated story ContainedInStructure ::
IfcBuildingStorey Relations
Openings HasOpenings ::
IfcOpeningElement Relations
Roof elements IsDecomposedBy ::
IfcBuildingElement
Gross area GrossSurfaceArea BaseQuantities Area 228 AR_Quantities
Net area NetSurfaceArea BaseQuantities Area 229 AR_Quantities
Projected area ProjectedArea BaseQuantities Projected area 1397 General , IFC
Roof type Reference Pset_RoofCommon Code text 83 AR_General
Status Status Pset_RoofCommon Building a lteration
category 49 AR_General, IFC, …
Exterior component IsExternal Pset_RoofCommon Classification 618 IFC
Fire resistance classification FireRating Pset_RoofCommon Fire resistance
classification 935 IFC
U-value ThermalTransmittance Pset_RoofCommon U-value 981 IFC
Solar installation SolarPanel
Component –
Object Attribute description IFC attribute IFC PSet Allplan attribute Attribute
number Category
Member –
IFCMember Member name (number) Name
Name 507 AR_General, IFC
Descripti on, full name LongName
Function 506 AR_General, IFC
Associated story ContainedInStructure ::
IfcBuildingStorey Relations
Openings HasOpenings ::
IfcOpeningElement Relations
Length Length BaseQuantities Height 222 AR_Quantities
Cross -section area CrossSectionArea BaseQuantities Floor 293 AR_Quantities
Surface OuterSurfaceArea BaseQuantities Surface 722 AR_Quantities
Gross volume GrossVolume BaseQuantities Volume 223 AR_Quantities
Bar Type Reference Pset_MemberCommon Code text 83 AR_Gene ral
Status Status Pset_MemberCommon Building a lteration
category 49 AR_General, IFC, …
Load- bearing / non -bearing
member LoadBearing Pset_MemberCommon Structure_
load-bearing 573 AR_General, IFC
Exterior member / interior
member IsExternal Pset_Mem berCommon Classification 618 IFC
U-value ThermalTransmittance Pset_MemberCommon U-value 981 IFC
Fire resistance classification FireRating Pset_MemberCommon Fire resistance
classification 935 IFC
Inclination Slope Pset_MemberCommon Inclination 909 Thermal insulation,
IFC
Span Span Pset_MemberCommon Span 1374 IFC
Tilt angle Roll Pset_MemberCommon
Component –
Object Attribute description IFC attribute IFC PSet Allplan attribute Attribute
number Category
Plate –
IFCPlate Name (number) of plate Name
Name 507 AR_General, IFC
Description, full name LongName
Function 506 AR_General, IFC
Associ ated story ContainedInStructure ::
IfcBuildingStorey Relations
Openings HasOpenings ::
IfcOpeningElement Relations
Thickness Width BaseQuantities Height 222 AR_Quantities
Gross area GrossSurfaceArea BaseQuantities Area 229 AR_Quantities
Net area NetSurfaceArea BaseQuantities
AR_Quantities
Gross volume GrossVolume BaseQuantities Volume 223 AR_Quantities
Net volume NetVolume BaseQuantities Net volume 226 AR_Quantities
Panel type Reference Pset_PlateCommon Code text 83 AR_General
Statu s Status Pset_PlateCommon Building a lteration
category 49 AR_General, IFC, …
Load- bearing / non -bearing
plate LoadBearing Pset_PlateCommon Structure_
load-bearing 573 IFC
Exterior component IsExternal Pset_PlateCommon Classification 618 IFC
Sound i nsulation classification AcousticRating Pset_PlateCommon Sound transmission
class 1373 IFC
Fire resistance classification FireRating Pset_PlateCommon Fire resistance
classification 935 IFC
U-value ThermalTransmittance Pset_PlateCommon U-value 981 IFC
Inclination Slope Inclination 909 Thermal insulation,
IFC
Component –
Object Attribute description IFC attribute IFC PSet Allplan attribute Attribute
number Category
Stair –
IFCStair Name (number) of stair Name
Name 507 AR_General, IFC
Description, full name LongName
Function 506 AR_General, IFC
Associated story ContainedInStructure ::
IfcBuildi ngStorey Relations
Stair elements (flight, landing,
…) IsDecomposedBy ::
IfcBuildingElement
Length Length BaseQuantities Length 220 AR_Quantities
Gross volume GrossVolume BaseQuantities Volume 223 AR_Quantities
Net volume NetVolume BaseQua ntities Net volume 226 AR_Quantities
Stair type Reference Pset_StairCommon Code text 83 AR_General
Status Status Pset_StairCommon Building a lteration
category 49 AR_General, IFC, …
Number of risers NumberOfRiser Pset_StairCommon Number of rises 88 AR_Quantities
Number of treads NumberOfTreads Pset_StairCommon Treads
AR_Quantities
Rise RiserHeight Pset_StairCommon Rise 89 AR_Quantities
Tread TreadLength Pset_StairCommon Tread width 90 AR_Quantities
Nosing NosingLength Pset_StairCommon
Offset of walking line WalkingLineOffset Pset_StairCommon
Minimum tread length on the
inside TreadLengthAtInnerLine Pset_StairCommon
Tread length at offset TreadLenghtAtOffset Pset_StairCommon
Minimum thickness of stair
flight WaistThickness Pset_StairCommon
Required headroom RequiredHeadroom Pset_StairCommon Clearance r equired 1377 IFC
Exterior component IsExternal Pset_StairCommon Classification 618 IFC
Fire resistance classification FireRating Pset_StairCommon Fire resistance
classi fication 935 IFC
Component –
Object Attribute description IFC attribute IFC PSet Allplan attribute Attribute
number Category
Escape route FireExit Pset_StairCommon Emergency exit 1376 IFC
Handicapped accessible HandicapAccessible Pset_StairCommon Suitable for the
disabled 1375 IFC
Skidproof HasNonSkidSurface Pset_StairCommon Skidproof 1406 AR_General, IFC
Ramp –
IFCRamp Name (number) of ramp Name
Name
AR_General, IFC
Description, full name LongName
Function 506 AR_General, IFC
Associated story ContainedInStructure ::
IfcBuildingStorey Relations
Ramp elements (flight,
landing, …) IsDecomposedBy ::
IfcBuildingElement
Length Length BaseQuantities Length 220 AR_Quantities
Height Height Pset_RampCommon Height 222 AR_Quantities
Gross volume GrossVolume BaseQuantities Volume 223 AR_Quantities
Net volume NetVolume BaseQuantities Net volume 226 AR_Quantities
Gross area GrossSurfaceArea BaseQuantities Area 229 AR_Quantities
Ramp type Reference Pset_RampCommon Code text 83 AR_General
Status Status Pset_RampCommon Alteration category 49 AR_General, IFC, …
Required headroom Requ iredHeadroom Pset_RampCommon Clearance r equired 1377 IFC
Required inclination RequiredSlope Pset_RampCommon Inclination required 1378 IFC
Handicapped accessible HandicapAccessible Pset_RampCommon Suitable for the
disabled 1375 IFC
Exterior component IsExternal Pset_RampCommon Classification 618 IFC
Escape route FireExit Pset_RampCommon Emergency exit 1376 IFC, windows and
doors
Component –
Object Attribute description IFC attribute IFC PSet Allplan attribute Attribute
number Category
Inclination Slope Pset_RampCommon Inclination 909 Thermal insulation,
IFC
Diameter Diameter Pset_RampCommon Diameter 759 AR_Quantities
Fire resistance classification FireRating Pset_RampCommon Fire resistance
classification 935 IFC
Skidproof HasNonSkidSurface Pset_RampCommon Skidproof 1406 AR_General, IFC
292 All Allplan attributes and IFC attributes Allplan
Attributes for finish elements
BaseQuantities are geometric values the element is given
automatically or by the superordinate opening element. Relations are
the results of assignments to structural levels or PARENT_CHILD
connections.
Component –
Object Attribute
description IFC attribute IFC PSet Allplan attribute Attribute
number Category
Window –
IFCWindow Description,
full name LongName
Function 506 AR_General, IFC
Name (number) of
window Name
Name 507 AR_General, IFC
Associated story
and room Containe dInStructure ::
IfcBuildingStorey Relations
Inserted in wall FillsVoids :: IfcWall (via
IfcOpeningElement) Relations
Window type IsTypedBy ::
IfcWindowType
Object name 498 AR_General
Height Height BaseQuantities
Opening Height 222 AR_Quantiti es
Width Depth BaseQuantities
Opening Length 220 AR_Quantities
Area Area BaseQuantities
Opening Area 229 AR_Quantities
Perimeter Perimeter BaseQuantities
Opening Perimeter 228 AR_Quantities
Window type Reference Pset_WindowCommon Code text 83 AR_General
Status Status Pset_WindowCommon Building a lteration
category 49 AR_General, IFC, …
Exterior
component IsExternal Pset_WindowCommon Classification 618 IFC
Sound insulation
classification AcousticRating Pset_WindowCommon Sound transmission
class 1373 IFC
Fire resistance
classification FireRating Pset_WindowCommon Fire resistance
classification 935 IFC
Safety
classification SecurityRating Pset_WindowCommon Safety category 1392 IFC
Smoke protection SmokeStop Pset_WindowCommon Smoke protect ion 1379 IFC
Air permeability Infiltration Pset_WindowCommon
Component –
Object Attribute
description IFC attribute IFC PSet Allplan attribute Attribute
number Category
Window sill on the
outside HasSillExternal Pset_WindowCommon
Window sill on the
inside HasSillInternal Pset_WindowCommon
Automatic drive HasDrive Pset_WindowCommon
Proportion of
glazing GlazingAreaFraction Pset_WindowCommon Glass content 621 IFC
U-value ThermalTransmittance Pset_WindowCommon U-value 981 IFC
Emergency exit FireExit Pset_DoorCommon Emergency exit 1381 IFC
Type ConstructionType
Type 764 IFC, engineering
Item number ArticleNumber Pset_Manufacturer
TypeInformation Article_ number 241 FM Manager
EAN, bar code GlobalTradeItem
Number Pset_Manufacturer
TypeInformation
Model number ModelReference Pset_Manufacturer
TypeInformation Model number 1382 IFC
Name of model ModelLabel Pset_Manufacturer
TypeInformation Model name 1383 IFC
Manufacturer Manufacturer Pset_Manufacturer
TypeInformation Producer 1136 IFC, cadastral plan
Production year ProductionYear Pset_Manufacturer
TypeInformation Production year 1393 IFC
Installation site AssemblyPlace
Number of panes GlassLayers Pset_DoorWindow
GlazingType Number of panes
Gas filling FillGas Pset_DoorWindow
GlazingType
Glass color GlassColor Pset_DoorWindow
GlazingType
Tempered IsTempered Pset_DoorWindow
GlazingType
Component –
Object Attribute
description IFC attribute IFC PSet Allplan attribute Attribute
number Category
Lamination IsLaminated Pset_DoorWindow
GlazingType Laminated
Coating IsCoated Pset_DoorWindow
GlazingType Coated
Wire glass IsWired Pset_DoorWindow
GlazingType Wire glass
Light reflectance
value VisibleLight
Reflectance Pset_DoorWindow
GlazingTyp
Luminous
transmission VisibleLight
Transmittance Pset_DoorWindow
GlazingTyp
Absorption factor
for solar radiation SolarAbsorption Pset_DoorWindow
GlazingTyp
Transmittance
factor
for solar radiation SolarTra nsmittance Pset_DoorWindow
GlazingTyp
Total energy
transmittance SolarHeatGain
Transmittance Pset_DoorWindow
GlazingTyp
U-value ThermalTransmittance
Summer/Winter Pset_DoorWindow
GlazingTyp U-value 981 IFC
Shading ShadingCoefficient Pset_DoorWindow
GlazingType Shadow 620 IFC
Component –
Object Attribute
description IFC attribute IFC PSet Allplan attribute Attribute
number Category
Door –
IFCDoor Description, full
name LongName
Function 506 AR_General, IFC
Name (number) of
door Name
Name 507 AR_General, IFC
Associated story
and room ContainedInStructure ::
IfcBuildingStorey/
IfcSpace Relations
Inserted in wall FillsVoids :: IfcWall (via
IfcOpeningElement) Relations
Door type IsTypedBy :: IfcDoorType
Object name 498 AR_General
Height Height BaseQuantities
Opening Height 222 AR_Quantities
Width Depth BaseQuantities
Opening Length 220 AR_Quantities
Area Area BaseQuantities
Opening Area 229 AR_Quantities
Perimeter Perimeter BaseQuantities
Opening Perim 228 AR_Quantities
Door type Reference Pset_DoorCommon Code text 83 AR_General
Status Status Pset_DoorCommon Building a lteration
category 49 AR_General, IFC, …
Exterior
component IsExternal Pset_DoorCommon Classification 618 IFC
Sound insulation
classification AcousticRating Pset_DoorCommon Sound transmission
class 1373 IFC
Fire resistance
classification FireRatin g Pset_DoorCommon Fire resistance
classification 935 IFC
Emergency exit FireExit Pset_DoorCommon Emergency exit 1381 IFC
Smoke protection SmokeStop Pset_DoorCommon Smoke protection 1379 IFC
Wear rating DurabilityRating Pset_DoorCommon Door_wear ratin g 27519 Windows, doors
Component –
Object Attribute
description IFC attribute IFC PSet Allplan attribute Attribute
number Category
Climate class HygrothermalRating Pset_DoorCommon Door_climate class 27515 Windows, doors
Air permeability Infiltration Pset_DoorCommon
Safety
classification SecurityRating Pset_DoorCommon Safety category 1392 IFC
Proportion of
glazing GlazingAreaFraction Pset_DoorCommon Glass content 621 IFC
Door closer SelfClosing Pset_DoorCommon Self-closing 1380 IFC
Automatic drive HasDrive Pset_DoorCommon
U-value ThermalTransmittance Pset_DoorCommon U-value 981 IFC
Handicappe d
accessible HandicapAccessible Pset_DoorCommon Suitable for the
disabled 1375 IFC
Type ConstructionType
Type 764 IFC, engineering
Opening type OperationType
Door swing 162 (assigned automatically)
Item number ArticleNumber Pset_Manufacturer
TypeIn formation Article_ number 241 FM Manager
EAN, bar code GlobalTradeItem
Number Pset_Manufacturer
TypeInformation
Model number ModelReference Pset_Manufacturer
TypeInformation Model number 1382 IFC
Name of model ModelLabel Pset_Manufacturer
TypeInfor mation Model name 1383 IFC
Manufacturer Manufacturer Pset_Manufacturer
TypeInformation Producer 1136 IFC, cadastral plan
Production year ProductionYear Pset_Manufacturer
TypeInformation Production year 1393 IFC
Installation site AssemblyPlace Pset_Manufacturer
TypeInformation
Number of panes GlassLayers Pset_DoorWindow
GlazingType Number of panes
Component –
Object Attribute
description IFC attribute IFC PSet Allplan attribute Attribute
number Category
Gas filling FillGas Pset_DoorWindow
GlazingType
Glass color GlassColor Pset_DoorWindow
GlazingType
Lamination IsLaminated Pset_DoorWindow
GlazingType Laminated
Coating IsCoated Pset_DoorWindow
GlazingType Coated
Tempering IsTempered Pset_DoorWindow
GlazingType Tempered
Wire glass IsWired Pset_DoorWindow
GlazingType Wire glass
Light reflectance
value VisibleLight
Reflectance Pset_DoorWindow
GlazingTyp
Luminous
transmission VisibleLight
Transmittance Pset_DoorWindow
GlazingTyp
Absorption factor
for solar radiation SolarAbsorption Pset_DoorWindow
GlazingTyp
Transmittance
factor for solar
radiation SolarTransmittanc e Pset_DoorWindow
GlazingTyp
Total energy
transmittance SolarHeatGain
Transmittance Pset_DoorWindow
GlazingTyp
U-value ThermalTransmittance
Summer/Winter Pset_DoorWindow
GlazingTyp U-value 981 IFC
Shading ShadingCoefficient Pset_DoorWindow
GlazingType Shadow 620 IFC
Component –
Object Attribute
description IFC attribute IFC PSet Allplan attribute Attribute
number Category
Curtain wall –
IFC
CurtainWall Description, full
name LongName
Function 506 AR_General, IFC
Name (number) of
curtain wall Name
Name 507 AR_General, IFC
Associated
building/
story ContainedInStructure ::
IfcBuilding/
IfcBuildingStorey Relations
Fadade parts/
elements IsDecomposedBy ::
IfcBuildingElement
Type of curtain
facade IsTypedBy ::
IfcCurtainWallType
Object name 498 AR_General
Length Length BaseQuantities Length 220 AR_Quantities
Height Height BaseQuantities Height 222 AR_Quantities
Width Width BaseQuantities Thickness 221 AR_Quantities
Gross area GrossArea BaseQuantities Area 229 AR_Quantities
Net area NetArea BaseQuantities Area 230 AR_Quantities
Material name of
curtain facade
layer Material.Name
Material 508 AR_General
Type of curtain
facade Reference Pset_CurtainWall
Common Code text 83 AR_General
Status Status Pset_CurtainWall
Common Building a lteration
category 49 AR_General, IFC, …
Fire resistance
classification FireRating Pset_CurtainWall
Common Fire resistance
classification 935 IFC
Sound insulation
classification AcousticRating Pset_CurtainWall
Common Sound transmission
class 1373 IFC
U-value ThermalTransmittance Pset_CurtainWall
Common U-value 981 IFC
Component –
Object Attribute
description IFC attribute IFC PSet Allplan attribute Attribute
number Category
Exterior
compon ent IsExternal Pset_CurtainWall
Common Classification 618 IFC
Emergency exit FireExit Pset_CurtainWall
Common Emergency exit 1381 IFC
Flammable Combustible Pset_CurtainWall
Common Inflammable 1371 IFC
Fire behavior SurfaceSpreadOfFlame Pset_CurtainW all
Common Fire behavior 1372 IFC
Item number ArticleNumber Pset_Manufacturer
TypeInformation Article_ number 241 FM Manager
EAN, bar code GlobalTradeItem
Number Pset_Manufacturer
TypeInformation
Model number ModelReference Pset_Manufacturer
TypeIn formation Model number 1382 IFC
Name of model ModelLabel Pset_Manufacturer
TypeInformation Model name 1383 IFC
Manufacturer Manufacturer Pset_Manufacturer
TypeInformation Producer 1136 IFC, cadastral plan
Production year ProductionYear Pset_Manufactu rer
TypeInformation Production year 1393 IFC
Installation site AssemblyPlace Pset_Manufacturer
TypeInformation
Component –
Object Attribute
description IFC attribute IFC PSet Allplan attribute Attribute
number Category
Covering –
IFCCovering Description, full
name LongName
Function 506 AR_General, IFC
Name (number) of
covering Name
Name 507 AR_General, IFC
Associated story ContainedInStructure ::
IfcBuildingStorey Relations
Associated room ContainedInStructure ::
IfcSpace Relations
Covering type IsTypedBy ::
IfcCoveringType
Object name 498 AR_General
Status Status Pset_RailingComm on Building a lteration
category 49 AR_General, IFC, …
Gross area GrossArea BaseQuantities Area 229 AR_Quantities
Net area NetArea BaseQuantities Area 230 AR_Quantities
Covering type Reference Pset_CoveringCommon Code text 83 AR_General
Status Statu s Pset_CoveringCommon Building a lteration
category 49 AR_General, IFC, …
Fire resistance
classification FireRating Pset_CoveringCommon Fire resistance
classification 935 IFC
Flammability rating Flammability Pset_CoveringCommon Flammability rating 1398 General, IFC
Sound insulation
classification AcousticRating Pset_CoveringCommon Sound transmission
class 1373 IFC
Fragility FragilityRating Pset_CoveringCommon
Fire behavior SurfaceSpreadOfFlame Pset_CoveringCommon Fire behavior 1372 IFC
Flammab le Combustible Pset_CoveringCommon Inflammable 1371 IFC
U-value ThermalTransmittance Pset_CoveringCommon U-value 981 IFC
Quality of finish Finish Pset_CoveringCommon Surface finish 1394 General, IFC
Component –
Object Attribute
description IFC attribute IFC PSet Allplan attribute Attribute
number Category
Railing –
IFCRailing Description, full
name LongName
Function 506 AR_General, IFC
Name (number) of
railing Name
Name 507 AR_General, IFC
Associated story ContainedInStructure ::
IfcBuildingStorey Relations
Associated room ContainedInStructure ::
IfcSpace Relations
Railing type IsType dBy ::
IfcRailingType
Object name 498 AR_General
Length Length BaseQuantities Length 220 AR_Quantities
Material of railing Material.Name Pset_RailingCommon Material 508 AR_General
Railing type/
horizontal Reference Pset_RailingCommon Code text 83 AR_General
Status Status Pset_RailingCommon Building a lteration
category 49 AR_General, IFC, …
Exterior
component IsExternal Pset_RailingCommon Classification 618 IFC
Height Height Pset_RailingCommon Height 222 AR_Quantities
Diameter Diameter Pset_ RailingCommon Diameter 759 AR_Quantities
Component –
Object Attribute
description IFC attribute IFC PSet Allplan attribute Attribute
number Category
Furnishings,
equipment –
IFCFurnishing
Element Description, full
name LongName
Function 506 AR_General, IFC
Name (number) of
furniture Name
Name 507 AR_General, IFC
Associated story ContainedInStructure ::
IfcBuildingStorey Relations
Associated room ContainedInStructure ::
IfcSpace Relations
Furniture type Reference
Code text 83 AR_General
Classification key ItemReference
Classification key 1395 General, Object Manager
Height Height BaseQuantities Height 222
Depth Depth BaseQuantities Length 220
Width Width BaseQuantities Thickness 221
Description Description Pset_Furniture
TypeCommon
Style Style Pset_Furniture
TypeCommon Type 1121 Cadastral plan
Nominal height NominalHei ght Pset_Furniture
TypeCommon
Nominal length NominalLength Pset_Furniture
TypeCommon
Nominal depth NominalDepth Pset_Furniture
TypeCommon
Primary color MainColor Pset_Furniture
TypeCommon
Built-in, movable IsBuiltIn Pset_Furniture
TypeC ommon
Component –
Object Attribute
description IFC attribute IFC PSet Allplan attribute Attribute
number Category
Item number ArticleNumber Pset_Manufacturer
TypeInformation Article_ number 241 IFC, FM Manager
EAN, bar code GlobalTradeItem
Number Pset_Manufacturer
TypeInformation
Model number ModelReference Pset_Manufacturer
TypeInformation Model numb er 1382 IFC
Name of model ModelLabel Pset_Manufacturer
TypeInformation Model name 1383 IFC
Manufacturer Manufacturer Pset_Manufacturer
TypeInformation Producer 1136 IFC, cadastral plan
Production year ProductionYear Pset_Manufacturer
TypeInformation Production year 1393 IFC
Installation site AssemblyPlace Pset_Manufacturer
TypeInformation
Component –
Object Attribute
description IFC attribute IFC PSet Allplan attribute Attribute
number Category
Room –
IFCSpace Associated story Decomposes ::
IfcBuildingStorey Relations
Assigned to room
group HasAssignments ::
IfcZone Relations Room group
Short name
(number) Name
Name (number) 507 AR_General, IFC
Description, full
name LongName
Function 506 AR_General, IFC
Finish elevation ElevationWithFlooring BaseQuantities
Interior room or
exterior room InteriorOrExteriorSpace
Classifica tion 618 IFC
Classification key ItemReference Pset_Space
ClassificationReference Occupancy_type_DIN
277 235 DIN 277, IFC
Name within the
classification Name Pset_Space
ClassificationReference Area_type_277 232 DIN 277
Gross room height Height
Height 222 AR_Quantities
Net room height FinishCeilingHeight
AR_Quantities
Height of floor
structure FinishFloorHeight BaseQuantities
Net perimeter NetPerimeter BaseQuantities Perim 228 AR_Quantities
Net room area NetFloorArea BaseQuantities Floor 293 AR_Quantities
Net volume NetVolume BaseQuantities Volume 223 AR_Quantities
Wall area GrossWallArea BaseQuantities
Cross -section area CrossSectionArea BaseQuantities
Room type Reference Pset_SpaceCommon Code text 83 AR_General
Exterior ro om IsExternal Pset_SpaceCommon Classification 618 IFC
Component –
Object Attribute
description IFC attribute IFC PSet Allplan attribute Attribute
number Category
Publicly accessible PubliclyAccessible Pset_SpaceCommon
Base area_planned GrossPlannedArea Pset_SpaceCommon
Net area_planned NetPlannedArea Pset_SpaceCommon
Handicapped
accessible Hand icapAccessible Pset_SpaceCommon Suitable for the
disabled 1375 IFC
Fire hazard class FireRiskFactor Pset_SpaceFireSafety
Requirements Flammability rating 1398 General, IFC
Sprinkler
protection SprinklerProtection Pset_SpaceFireSafety
Requirements Sprin kler system 1399 General, IFC
Automatic sprinkler
protection SprinklerProtectionAuto
matic Pset_SpaceFireSafety
Requirements
Emergency exit FireExit Pset_SpaceFireSafety
Requirement Emergency exit 1381 IFC
AirPressurization Pset_SpaceFireSafety
Requirement
Artificial light ArtificialLighting Pset_SpaceLighting
Requirements Artificial light 1400 General, IFC
Illuminance Illuminance Pset_SpaceLighting
Requirements
Minimum room
temperature SpaceTemperatureMax Pset_SpaceThermal
Requirements Temperature_max 1405 General, IFC
Maximum room
temperature SpaceTemperatureMin Pset_SpaceThermal
Requirements Temperature_min 1404 General, IFC
Humidity SpaceHumdity Pset_SpaceThermal
Requirements Air humidity 1401 General, IFC
Humidity_max SpaceHum dityMax Pset_SpaceThermal
Requirements
Humidity_min SpaceHumdityMin Pset_SpaceThermal
Requirements
Humidity_cooling SpaceHumidity_Summer Pset_SpaceThermal
Requirements
Component –
Object Attribute
description IFC attribute IFC PSet Allplan attribute Attribute
number Category
Humidity_heating SpaceHumidity_Winter Pset_SpaceThermal
Requirements
Ventilation NaturalVentilation Pset_SpaceThermal
Requirements Natural
ventilation 1402 General, IFC
Natural air change
rate NaturalVentilationRate Pset_SpaceThermal
Requirements
Mechanical air
change rate MechanicalVentilation
Rate Pset_SpaceTherm al
Requirements
Air-conditioning AirConditioning Pset_SpaceThermal
Requirements Air-conditioned 1403 General, IFC
Central air-
conditioner AirConditioningCentral Pset_SpaceThermal
Requirements
Room group –
IFCZone Rooms assigned HasAssign ments ::
Ifcspace Relations
Short name
(number) Name
Name (number) 507 AR_General, IFC
Description, full
name LongName
Function 506 AR_General, IFC
308 All Allplan attributes and IFC att ributes Allplan
Attributes for engineering
BaseQuantities are geometric values the element is given
automatically or by the superordinate opening element. Relations are
the results of assignments to structural levels or PARENT_CHILD
connections.
Component – Object Attribute description IFC attribute PSet Allplan attribute
Bar reinforcement –
IFCReinforcingBar Diameter NominalDiameter BaseQuantities Diameter
Cross -section area CrossSection BaseQuantities
Bar length BarLength BaseQuantities Mesh or bar length
Bar surface BarSurface BaseQuantities Surface
Standard ShapeCode Allplan_ReinforcingBar Name of
Cross -section catalog
Bending pin diameter BendingDiameter Allplan_ReinforcingBar Bending dimensions
Hook length HookLength Allplan_ReinforcingBar Stirrup length
Hook angle HookAngle Allplan_Reinforc ingBar Stirrup width
Bending pin diameter of hook HookBendingDiameter Allplan_ReinforcingBar Bending dimensions
Weight per meter WeightPerMeter Allplan_ReinforcingBar Steel weight
Number CountOfBars Allplan_ReinforcingBar Number of meshes of bars
Bar name Name Name of cross -section
catalogs
Steel grade Material Steel grade of cross -section
catalog
Component – Object Attribute description IFC attribute PSet Allplan attribute
Mesh reinforcement –
IFCReinforcingMesh Mesh width MeshWidth BaseQuantities Mesh width
Mesh length MeshLength BaseQuantities Mesh length or bar length
Transverse overlap CrossOverlapping BaseQuantities Transverse mesh overlap
Longitudinal overlap LongitudinalOverlapping BaseQuantities Longitudinal mesh overlap
Mesh type PredefinedType Allplan_ReinforcingMesh Mesh type
Standard ShapeCod e Allplan_ReinforcingMesh Name of cross -section
catalog
Diameter of longitudinal bar LongitudinalBarNominalDiameter Allplan_ReinforcingMesh Type of longitudinal bar
diameter
Diameter of cross bar TransverseBarNominalDiameter Allplan_ReinforcingMesh Type of cross bar diameter
Cross -sectional area of
longitudinal bar LongitudinalBarCrossSectionArea Allplan_ReinforcingMesh
Cross -sectional area of cross
bar TransverseBarCrossSectionArea Allplan_ReinforcingMesh
Longitudinal bar spacing LongitudinalBa rSpacing Allplan_ReinforcingMesh Offset to longitudinal bar
Cross bar spacing TransverseBarSpacing Allplan_ReinforcingMesh Offset to cross bar
Code of bending pin BendingShapeCode Allplan_ReinforcingMesh Bending dimensions
Bending pin properties Bend ingParameters Allplan_ReinforcingMesh Bending dimensions
Mesh identifier Name Mesh identifier
Steel grade Material Steel grade of cross -section
catalog
Mesh weight WeightOfMesh Weight of mesh of bar
BIM Compendium Appendix II – Attributes 311
Attributes for IFCObjectTypes
The following section lists the required minimum of attributes for
freely assignable object types, provided they are defined in IFC (PSet
Common).
Element IFC attribute Allplan attribute Attribute
number Allplan gr oup
Inspection manhole –
IFCDistribution
ChamberElement Reference Code text 83 AR_General
Status Building a lteration
category 49 AR_General,
IFC, …
Transport element –
IFCTransportElement Reference Code text 83 AR_General
Status Building a lteration
category 49 AR_General,
IFC, …
CapacityPeople Maximum number of
persons
CapacityWeight Maximum weight
FireExit Means of egress 1376 IFC
Any building element –
IFCBuildingElementProxy Reference Code text 83 AR_General
Status Building a lteratio n
category 49 AR_General,
IFC, …
LoadBearing Structure_load –
bearing 573 AR_General,
IFC
FireRating Fire resistance
classification 935 IFC
ThermalTransmittance U-value 981 IFC
Component opening –
IFCOpeningElement Reference Code text 83 AR_General
Status Building a lteration
category 49 AR_General,
IFC, …
Purpose Function
FireExit Means of egress 1381 IFC
ProtectedOpening Protected opening
312 Allplan
BIM Compendium Index 313
A
additional attributes 272
additional PSet 267
AEC 8
AECO 8
Allplan
export 182
import 211
task board 203
all-purpose elements 167
area styles 100
creating 105
using 102
attribute 33, 119, 256
all 276
assigning 121
building topology 276
creating 123
engineering 308
favorites 126
finish 292
hierarchic levels 171
IFCObjectTypes 311
modifying 125
unfinished structure 280
attribute mapping 131
approach 131
contents 132
file structure 132
use 134
B
base quantities 18, 256
BCF 21, 198
contents 200
handling 202
history 198
markup file 200
snapshot file 202
structure 200
use 210
viewpoint file 201
workflow 202 benefit 46
big BIM 45
BIM and Allplan 49
BIM compendium 1
BIM in practice 55
BIM model 30
BIM modeling 5
BIM process 35
BIM XD 7
bim+
creating project 189
platform 196
uploading model 192
BRep 20
building structure 8, 60
checking 68
creating 62
modifying 64
restoring 67
building topology 276 buildingSMART 22
C
check lists 231
checking data 194
CityGML 14
collaboration 197
communication 197
comparing data 218
component 254
Components
height settings 84
concept of reference planes 71
custom planes 72
default planes 71
roof planes 75
creating the model 58
custom planes 72
D
default planes 71
E Index
314 Index Allplan
element properties 259, 267, 272
elements and attributes 135
engineering 308
exchanging data 226
exchanging plans 226
export 227, 229, 230
bim+ 189
from Allplan 182
IFC format 184
IFC settings 186
F
FAQs
BIM 225
exchanging data 226
exchanging plans 226
export 227, 229, 230
fileset structure in project 228
IFC 225
IFC file 227
file preview 31
fileset structure 228
finish 292
Finish 152
G
gbXML 14
geometric attributes 256
GUID 21
H
height settings 84
hierarchic levels
attributes 171
history 23
I
IAI 22
IDM 15
IFC 9, 198
file 227
IFC CoordinationView 11
IFC DesignTransferView 12
IFC FMHandOverView 13
IFC format 30
IFC ReferenceView 12
IFC specifications 31
IFC StructuralAnalysisView 12
IFC subset 9 IFC version 13
IFC viewer 196
IFCBeam 139
IFCBuilding 174
IFCBuildingStorey 175
IFCClass/ObjectType 17
IFCColumn 140
IFCCovering 160
IFCCurtainWall 158
IFCDoor 155
IFCFooting 135
IFCFurnishingElement 163
IFCMember 144
IFCObjectType 109, 311
assigning 109
meaning 114
IFCPlate 145
IFCRailing 161
IFCRamp 147
IFCReinforcingBar 149
IFCReinforcingMesh 151
IFCRoof 143
IFCSite 173
IFCSlab 141
IFCSpace 168
IFCStair 146
IFCWall 137
IFCWallStandardCase 136
IFCWindow 152
implementing BIM 40
import 32
to Allplan 211
importing 212
L
layer structure
creating 87
layers 86
assigning 97
format properties 90
print set 92
privilege set 92
layers 32
line styles 100
creating 105
using 102
little BIM 45
LoD 18
BIM Compendium Index 315
LoI 20
M
markup file 200
MEP 165
modifying data 222
MVD 15
O
object number 254
objects palette 176
changing properties 180
changing status 181
list structure 177
selecting and displaying 179
P
plane model 70
creating 78
height settings 84
preliminary considerations 57
print set 92, 94
privilege set 92, 95
project information 172
project start
preliminary considerations 57
PSet 18, 256
PSet common 259
R
reasons 29
roof planes 75
rooms 168
S
scope 48
snapshot file 202
STEP 15
Support 53
swept solid 20
T
task board 203
creating task 205
editing task 209
terms 5
U
unfinished structure 280 Unfinished structure 135
updating 217
UUID 21
V
viewpoint file 201
W
what is behind BIM? 38
working together 197
X
XML 17
316 Index Allplan
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