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Prof. Dr.-Ing. Joaquín Díaz University of Applied Sciences Giessen-Friedberg Germany

Prof. Dr.-Ing. Joaquín Díaz University of Applied Sciences Giessen-Friedberg Germany. GEAB and IFC - Migration of National Standards into International Standards. Overview. Promise and Reality Information Exchange in CE GAEB DA2000-XML Migration approaches GAEB - IFC Summary.

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Prof. Dr.-Ing. Joaquín Díaz University of Applied Sciences Giessen-Friedberg Germany

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  1. Prof. Dr.-Ing. Joaquín DíazUniversity of Applied SciencesGiessen-FriedbergGermany GEAB and IFC - Migration of National Standards into International Standards

  2. Overview • Promise and Reality • Information Exchange in CE • GAEB DA2000-XML • Migration approaches GAEB - IFC • Summary

  3. Promise and Reality Trump-Tower Chicago ICE - 3

  4. Planning Construction Products Con-tractor Manufac-turer Dealer/ Supplier Client/Owner Project-manager Architect Sub-contrac- tor Engineer Division of Markets in ACE

  5. 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

  6. Construction Planning Products D93PriceInquiry D83Call for Bids Manu-facturer Dealer/ Supplier Owner/Client Com-petitors C o n t r a c t o r D84BidSubmission D94Quotation Bidders D85SecondaryBid D81Specifi-cation ofWork D82CostEstima- tion D96Order D86ContractAward Approved Bidder Architect Engineer D88ChangeOrder D97Order Confirmation D89 Invoice D50ConstructionCostCatalog D51Bill ofCosts D61RoomRegister D71WorkflowSchedule D80BoQCatalog D40GeneralCatalog

  7. Bill of Quantities General description of construction job Drawings andother enclosures For example: Purpose,type and useof structure Type andmethod ofconstruction Referenceto structural drawings,site plan Preliminaryremarks(if any) Work items(reference numbers) Bill of Quantities/Materials Specification of Workwith Bill of Quantities

  8. 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 • ..

  9. 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

  10. 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

  11. Research:MANUBUILD - Approach Resource Description Framework Web ontology language / GDL WSDL with WSRF Reference: Kopyto/Reinecke

  12. Firma: CIP Ingenieurg. New input Physical yesterday Transport Paper Firma: CIP Ingenieurg. HTTP, XML convert today media Digital Firma: CIP Ingenieurg. OWL, XML Drag / Drop tomorrow Xlink SOAP network based documents Information- and Knowledge exchange

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