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Prof. Dr.-Ing. Joaquín DíazUniversity of Applied SciencesGiessen-FriedbergGermany
GEAB and IFC - Migration of GEAB and IFC - Migration of
National Standards into National Standards into
International StandardsInternational Standards
Prof. Dr.-Ing. Joaquin Diaz
Overview
Promise and Reality Information Exchange in CE GAEB DA2000-XML Migration approaches GAEB - IFC Summary
Prof. Dr.-Ing. Joaquin Diaz
Promise and RealityTrump-Tower Chicago
ICE - 3
Prof. Dr.-Ing. Joaquin Diaz
Con-tractor
Sub-contrac-
tor
Construction
Manufac-turer
Dealer/Supplier
Products
Project-managerProject-manager
ArchitectArchitect
EngineerEngineer
Planning
Client/OwnerClient/Owner
Division of Markets in ACE
Prof. Dr.-Ing. Joaquin Diaz
Goal of the Common Committee for IT in building and construction
..is a common language for all participants engaged in design, construction and operation of buildings in accordance with technical rules of the German Institute for Standardization (DIN) and the Construction Contract Procedures (VOB):
Standardized text for items in bills of quantities/materials Guidelines for tendering procedures Guidelines for structure of bill of quantities data-exchange - excepting CAD data
„any process is better than no process“
„a good process is better than a bad process“„even a good process can be improved“Michael Hammer
Planning
Architect
Engineer
Owner/Client
Products
Manu-facturer
Dealer/Supplier
D82Cost
Estima-tion
D81Specifi-cation of
Work
D40GeneralCatalog
D50Construction
CostCatalog
D61Room
Register
D71WorkflowSchedule
D80BoQ
Catalog
D51Bill ofCosts
Construction
C
o
n
t
r
a
c
t
o
r
D83Call for
BidsCom-
petitors
D85Secondary
Bid
D84Bid
Submission
Bidders
D86ContractAward
ApprovedBidder
D96Order
D97Order
Confirmation
D88ChangeOrder
D89 Invoice
D94Quotation
D93Price
Inquiry
Specification of Workwith
Bill of Quantities
Purpose,type and useof structure
Type andmethod of
construction
Referenceto structural drawings,site plan
For example:
Preliminaryremarks(if any)
Work items(reference numbers)
Drawings andother enclosures
Bill of QuantitiesGeneral
description of construction job
Bill of Quantities/Materials
Prof. Dr.-Ing. Joaquin Diaz
Questions to solve
How can we link already existing IFC- elements with Quantity-(cost)-elements
How can we take different national systems and regulations into consideration
How can we show the benefits for practise How can we calculate and determine quantities in CAD-
Systems for the use in bidding systems How can we integrate existing classification systems
(e.g. StLB Bau, ..) and cost estimation systems ..
Prof. Dr.-Ing. Joaquin Diaz
IFC-Working group: Exchange of Model Based Quantities
Working since 2005 Goal of WG: approaches for IFC and cost management
Common neutral interface definition Quantity determination and calculation Integration of Bill of Quantities Consideration of national approaches (e.g. GAEB, ..)
Members: Graphisoft, m-g-h architekten+ingenieure; f:data GmbH,m G&W Software, Dr. Schiller & Partner GmbH, Ingenieurgesellschaft Hartmann, Obermeyer Planen und Beraten, Greiner Ingenieurberatung, Max Bögl, HOCHTIEF, RIB, FZ Karlsruhe, Nemetschek, TLConsulting, Bentley Systems, BouwtaaK KennisCentrum, Springer BauMedien, Autodesk
Prof. Dr.-Ing. Joaquin Diaz
First Results: XML-schema
IFC serves as a basis information model
Linking CAD-system “X" with bidding–system “Y” using quantity-elements Small and smart global quantity definitions Consideration of national regulations using external
views
Linking CAD-system “X" with bidding–system “Y” using room/space/segment-elements
Prof. Dr.-Ing. Joaquin Diaz
Research:MANUBUILD - Approach
Reference: Kopyto/Reinecke
Resource Description Framework
Web ontology language / GDL
WSDL with WSRF
Prof. Dr.-Ing. Joaquin Diaz
Information- and Knowledge exchange
Firma:CIP
Ingenieurg.
yesterdayPhysical New input
Paper
Transport
Firma:CIP
Ingenieurg.
todayconvertHTTP, XML
Digital
media
tomorrowFirma:
CIPIngenieurg.
SOAP
Drag / Drop
network based documents
Xlink
OWL, XML
