07.06.2014 1 ifc/ifd opportunities and challenges håvard bell, ph.d. norwegian building research...
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![Page 1: 07.06.2014 1 IFC/IFD Opportunities and Challenges Håvard Bell, Ph.D. Norwegian Building Research Institute](https://reader035.vdocuments.mx/reader035/viewer/2022062417/5518cf30550346b31f8b5bdd/html5/thumbnails/1.jpg)
10.04.23 1
IFC/IFD Opportunities and Challenges
Håvard Bell, Ph.D.
Norwegian Building Research Institute
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IFDIFC
IFG
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IFC
Industry Foundation Classes
From DRAWING to MODEL
Not just lines and surfaces, but building OBJECTS
Way of exchanging building information
IFCArchitect
Authority Builder
Owner
Model server
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IFC + IFD IFC + IFD produkt produkt modellmodell
Images from: Byggforsk, Olof Granlund, NBLN University of California, Stanford University
Building design-Functional spec.-Estimates-Budget-Specs
Knowledgebase-Predefined solutions -Design sheets-In house knowledge bases
Laws and Regulations-Building rules-Building regulations
CAD software-Drawings, calculations-Architect, engineer,…
VRML-Visualization, 3D models
Simulations-Comfort-HVAC-LCC-Light & sound-Insulation-Fire-Environment-Lifetime-
analysis
Building specifications-NS 3420 (bill of quantity)-NS 3451-Calculations, estimates
Product ordering-Product databases-Price databases
FDVU-Rental, sale-Maintenance-Warranties
Remodeling, refurbishing-Remodeling-Demolition-Refurbishing
Progress and schedules-Scheduling-Logistics, 4D
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Effect of IFC?
“Low friction information logistics”
Lars C. Christensen, Selvaag Blue Think
New decision processes:
Earlier access to information
Possible to simulate decisions and see the consequences earlier
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Information Exchange in the Building Process
Information-modelcentrerd
Documentcentered
Check out/check in data
File exchange:
Data is not exchanged, drawings are (e)mailed.
Model exchange:
Data is exchanged on application specific formats and drawings are (e)mailed.
Model server:
Data is exchanged using a neutral format. Data is available in a neutral model server and is accessed from different applications.
Drawing
Model
Legend:
Document
Model file
Standardized model data
Datacentrerd
(Thanks to Lars C. Christensen, Selvaag Blue Think)
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IFD
International Framework for Dictionaries
ISO (DIS) 12006-3
Needed to define concepts and relations
Are we talking about the same thing?
The semantics of IFC
Adoptable on national or project levels
A “column” might be defined as an IfcColumn plus some customized attributes, or even attached objects
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日本語!Norsk!? ?
English!IFD(BARBi)
Communication Method?IFCSpeaking
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IFG
IFC enhancement for the GIS world
Close to completion
Allows the 2D map world to talk to the 3D building world and vice versa
You know where the building is in the world
Here!
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IFG Aim:
3D? Yes,but what is it?
3D? Yes,here it is!
3D
Kilde: Statens Kartverk
Today
IFG
(Thanks to Jøns Sjøgren, Home Builders Association)
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DDS Demo
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BARBi Bygg og Anlegg Referanse Bibliotek
Norwegian implementation of IFD
Complete and working implementation of IFD 999 activities/processes, 40901 names, 6600 definitions,
1939 properties, 8757 objects/subjects, ca 1300 relations, etc..
Based on EXPRESS (EDM, EPM Tech.)
Will provide a free reference library to the Norwegian Building Industry
Anyone can access and use it
Import functions from LexiCon (Netherlands's IFD implementation)
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BARBi Example I:
A concept may consist of:
Global unique ID
Names (may be several)
Definition
Unit(s)
Value(s)
Etc.
Products are defined through properties
A set of properties (concepts) and perhaps values, defines a product
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BARBi Example II:
Door:
In Norway:
– “Høyde” (height)
– “Bredde” (width)
– “Brannklasse” (fire category)
In United Kingdom:
– “Height”
– “Width”
– “Fire Category”
– “Security Class” DFI7362LHAS00CC
E34FJ55693HD340
E34FJ55693HD340
A3R33693U88CC3
A3R33693U88CC3
8944GGQQL9883C
8944GGQQL9883C
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BARBi and China
Letter of Intention signed between Chinese authorities and Norway
June 2004
Provide a Chinese IFD platform
Support in establishing IFD data
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BARBi Status
BARBi in itself is completed
BARBi Interface version 0.8 launches 20th of December 2004
You can start input of data
WE NEED PRODUCT TEMPLATES
Window!!!!!
WE NEED THE DATA
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http://barbi.no/status
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BARBi & NOBB
Project recently initiated through BIT-BYGG
Product Templates
Window!
NOBB & BARBi integration
Synchronize and harmonize
IFC integration
Mostly through BARBi integration
But some adoption necessary
Very good cooperation with ODA/NOBB
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ServiceProvider
Model
Produktleverandør
Produktleverandør
NOBB
Norway
Produktleverandør
Produktleverandør
Manufacturers
Country b
ServiceProvider
?$$$$$$$$$$$$$$
Owner
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NBI’s Knowledge Base
Over 800 design sheets
Best practice
Research
Etc.
Over 50 years of experience
Highly regarded in the industry
Example:
How to properly lay a bathroom floor
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NBI’s Knowledge Base
Highly used…
…and not used
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ApplicationApplication
NBI’s Knowledge Base
NBI’sKnowledge
Base
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Three Ingredients
NBI’sKnowledge
Base(IFC/IFD)
BARBi(IFD)
ModelServer(IFC)
NBI Service
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Hva kan DU gjøre?
PRODUKT MALER
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Lifetime Analysis
Factor Method
Empirical data collections
Theoretical Formulas
Statistical Analysis
Developed over time
(Not my area of expertise…)
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NBIService
Lifetime of Building?
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What material?
NBIService
IFCModel
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It’s 32DFE854KE
NBIService
IFCModel
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What is 32DFE854KE?
NBIService
BARBi
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It’s Aluminum
NBIService
BARBi
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OR…
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I don’t know
NBIService
BARBi?
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NBIService
What is 32DFE854KE?
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NBIService
It’s Aluminum
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What is definition of Aluminum?
NBIService
BARBi
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It’s Aluminum
NBIService
BARBi
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32DFE854KE is Aluminum
NBIService
IFCModel
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What is Lifetime of Aluminum?
NBIService
NBIKnowledge Base
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40 Years
NBIService
NBIKnowledge Base
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Aluminum at your place lives 40 Years
NBIService
IFCModel
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NBIService
40 Years
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NBIService
Thanks!
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IFCModel BARBi
NBIKnowledge
Base
NBIService
Lifetime of building? What material?
Well defined material?
Get lifetime datafor model’s area
40 years
Overview
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Demo…