building informatics and logistics - information modeling ... · building information model “open...
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buildingSMART-standarder - IFC, BCF, bSDD, IDM och MVD Professor Väino Tarandi
Stockholm, 2016-11-24
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Digital Storage
Building Information Model “open BIM”
Overview of selected standards Guidelines IDM (ISO 29481-1) BH90 – Swe BCF – BIM Collaboration Format
Buildings IFC (ISO 16739) gbXML fi2XML
Dictionaries bSDD (IFD) (ISO 12006-3) Oil & Gas: RDL (ISO 15926-4)
Generic – Lifecycle PLCS (ISO 10303-239) CityGML
GIS / Infra Transmodel GML
Codes BSAB – Swe OMNI class –US ISO 12006-2
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IFC – the standard
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Information for a building element
IfcWall: Basiswand:MW 17.5:98046 GUID: 3G_7N62zbD$BUYR_Q8WHAt
Identification Locations
Properties
Geometry Relations
Documents(link)
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IFC, http://www.buildingsmart.org/
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IfcRoot
IfcActor IfcProcess IfcProject IfcProduct
IfcProxy
IfcGroup IfcControl IfcResource
IfcSite IfcBuilding IfcBuildingStorey IfcBuildingElement IfcSpace
IfcObject
IfcRelationship IfcPropertyDefinition
IfcWall IfcDoor IfcWindow IfcSlab IfcColum IfcBeam
IfcTypeObject
IFC Structure
IfcObjectDefinition
IfcSpatialStructureElement IfcElement
IfcElectricalElement
IfcZone IfcSystem IfcPort
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IFC schema brief (1)
» The main business objects, relationships and properties in the IFC schema are subclasses of IfcRoot − IfcRoot holds
» The global ID (unique), name and description of the business object
» The owner history which can be used for consolidation and versioning in SAs
− IfcObjectDefinition holds inverse information to » Assignment relationships » Decomposition relationships (aggregations/nesting) » Association relationships (classifications/documents/libraries)
− IfcObject (supertype of all business objects) holds » Inverse information to Definition relationship (properties and types)
− IfcTypeObject (supertype of all type objects) holds » Properties for the type » Inverse relationship to the IfcObject
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IFC schema brief (2)
» IfcPropertyDefinition has − inverse relationships to object to
which the properties are assigned
» IfcPropertySetDefinition − are basically groups of properties for
business objects and object types
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IFC schema brief (3)
» IfcRelationship (supertypes of all kind of relationships) • Assignments (semantically object client/supplier
relationship) • Associations (classification/documents/libraries
relationships) • Connections (mainly topological relationships
between objects which might have constraints associated to)
• Decompositions (mainly structural relationships) • Definitions (properties / types relationships)
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IFC 2x3 specification
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IFC 2x3 specification
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Geometry - example
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Owner History
IfcOwnerHistoryIfcPersonAndOrganization
IfcApplication
IfcStateEnumIfcChangeActionEnum
IfcTimeStampINTEGER
OwningUser
OwningApplication
State
ChangeAction
LastModifiedDate
LastModifyingUser
LastModifyingApplication
CreationDate
(ABS)IfcRoot
OwnerHistory
READWRITE,READONLY,LOCKED,READWRITELOCKED,READONLYLOCKED
NOCHANGE,MODIFIED,ADDED,DELETED,MODIFIEDADDED,MODIFIEDDELETED
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Project
Site Site Site
Building Building Building
Storey Storey Storey
IfcRelAggregates
IfcRelAggregates
IfcRelAggregates
Space Space Space
IfcRelAggregates
IfcRelAggregates
IfcRelAggregates
Element
Slab
Roof
Door
Opening
Window
…
Column
Beam
IfcRelContainedInSpatialStructure
IfcRelContainedInSpatialStructure
IfcRelContainedInSpatialStructure
IfcRelVoidsElement
IfcRelFillsElement
IfcRelSpaceBoundary IfcRelSpaceBoundary
Wall
IfcRelConnects
IfcRelContainedInSpatialStructure
Typical IFC data exchange file structure
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2 Export the IFC file
Starting Solibri Model Viewer
file
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Changing the IFC information
» You can create and change the building objects in an authoring tool, like a CAD-system
» You can do it in other tools too, like Graphical Instance – you only need to know the standard, i.e. IFC
» In Graphical Instance you can access the IFC file, modify it and export a new version
1
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1
Changing the IFC information
Starting Graphical Instance
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2 Export the IFC file
Starting Solibri Model Checker
file
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BIM Collaboration Format
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Solibri Collision Detection Rule Set
Model Checking Results + Comments
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Collect all Design Issues for Report
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Create Report in BCF-zip Format
ZIP-File contains Mark-up (xml) +
Snapshot (png) + Viewpoint (xml)
for each Problem
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Architectural Design Team
Generate Issue List in Solibri Model Checker (xml format) and store it on Sas server (BIM Manager can link it to work request for BS team)
A1.ifc
Building Services Design Team
A1.ifc
BS1
BS1.ifc
A1
A1.ifc
5
4
3
2
1
7
A1+BS1.ifc
BS1.ifc
5a
6 7
issuesBS1 .bcf
BIM Project Manager
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Architectural Design Team BS Engineers open the issue list
in the MEP software tool (Plug-in needed for Revit MEP)
A1.ifc
Building Services Design Team
A1.ifc
BS1
BS1.ifc
A1
A1.ifc
5
4
3
2
1
9
A1+BS1.ifc
BS1.ifc
5a
6 7
issuesBS1 .bcf
BIM Project Manager
issuesBS1 .bcf
8
9
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Start BCF Interface for REVIT Platform
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1.) Open BCF File and step through all
issues and comments
Revit ‚jumps‘ to the right camera position
and linked objects
3.) Change status and comment, then save BCF and re-distribute
2.) Change the model and solve the issues.
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Architectural Design Team BS Engineers fix the issues and
update the BS model to a new status ‘BS2’
A1.ifc
Building Services Design Team
A1.ifc
BS1
BS1.ifc
A1
A1.ifc
5
4
3
2
1
A1+BS1.ifc
BS1.ifc
5a
6 7
issuesBS1 .bcf
BIM Project Manager
issuesBS1 .bcf
8
10
BS2
10
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BCF - exempel
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bSDD buildingSMART Data Dictionary (IFD Library)
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IFD Library Group
bSData Dictionary – a mapping mechanism In a briefing document
Properties
In product catalogues
Properties
In classification systems
Properties
In building specifications
Properties
In a calculation system
Properties
In a Facility management system
Properties
For demolition and reconstruction
Properties
In a CAD system
Properties
IFD dictionary
Properties
Jacob Mehus, Standards Norway
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IFD Library Group
bSData Dictionary
Hand of door
Width
Height Material
Surface finishing Color Hinge
Thickness
+
Right
890 millimeter 2090 millimeter MDF
Painted NCS S0502
2465 snap-in
92 millimeter
Product
=
Jacob Mehus, Standards Norway
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IDM och MVD
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IDM example from buildingSMART
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