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  1. Depuis Workshopon International StandardsRome 14 – 15 May 2008 Anna Moreno, Anna Amato Paul van Exel, David Leal, Magne ValenSendstad

  2. defined using ISO 15926 reference data from LCA Info Hub Total house building CO2 emissions • Design of a house • civil/structural systems • wall areas • room volumes • wall materials • foundations • framework • access roads • mechanical systems • heating/cooling • electricity generation • Bill of materials • civil/structural materials • masses and volumes of timber, plasterboard, concrete, brick, etc.. • mechanical materials • masses and lengths of piping, cable etc. • mechanical devices • boilers, heat pumps, tanks, etc. Total CO2 emissions from construction for each year of use Location Length of life • LCA reference data • emissions for materials • emissions for transport • emissions for energy

  3. Scope of ISO 15926 house demo for CO2 emissions • Design of 180m2 house • Designer can choose between • Wooden frame and wooden walls • Steel frame and wooden walls • Steel frame and concrete walls • Wood frame and brick walls • Unit of function, CO2 release per m2 of house • Raw material production, final products fabrication, transportation and removal to be considered

  4. Scope of LCA Example Raw Material Transport Fabricate Transport Product Dispose

  5. System design ISO 15926 object model for house EU LCA Info Hub export of model with relevant reference data selection of relevant LCA reference data merged data as RDF Bill of materials Design of a house edit Total CO2 emissions from construction for each year of use Location Length of life LCA reference data EXCEL

  6. Data Flow,Design of House based on LCA of CO2 release Reference Data System browser Excel macro’s Manual input of CO2 emissions ISO 15526 RDL RDF Schema LCA of House Design modifications EU LCA data base of CO2 emissions • Find standard terms • and definitions • Export to XML file • Semantically rich • data that can integrate • CO2 data at a detailed • level and from many • sources • Input material quantities • Input transport distances • Get CO2 release • Extract CO2 data on a • unit basis • Manual CO2 input on a • unit basis for data not • found in EU data base

  7. Reference Data House Roof Wall Reinforced Concrete Outer Wall Timber Framework Roof Timber Framework Outer Wall Steel Framework Roof Brick Outer Wall Wood Girders Steel Beams Rebar Brick Wood Columns Steel Rafters (Truss) Plywood Cement Cement Plywood Wood Joists (Rafters) Studs Admixture Sand Steel Roof Cladding Tile Shingles Wood Shingles Wood Cladding (Siding) Sand Course Aggregate

  8. Excel Macro Design Tool Excel Macro’s RDF Schema of Reference Data and CO2 Emissions Example Excel Macro

  9. Depuis test case: Data flow house construction Mapping table RDL - LCA terms RDL • ISO 15926-4 • Terms and definitions • Hierarchy • Properties • UOM • Application • Retrieve information • Calculations house • Optimisation CO2 • Reporting • LCA Info Hub • Terms and Definitions • Hierarchy • CO2 per material used • Build up of emission • Barbie / Lexicon • Properties – product • Brick – CO2 • Steel – CO2 • Wood – CO2 • GUI • Input parameters (sizes) • Selecting material (bricks/ concrete, etc.) • Desired constraints • Interactive dialogue

  10. Depuis test case: Exchange scheme house construction EXCEL X-Query • Application • Excel • Calculations • Macros • Reports XSLT • LCA Info Hub (website) • XML file • uri missing • ISO 15926-4 • Excel sheets • OWL file XML OWL SPARQL RDF SPARQL • POSCCaesar RDS • Extension construction • OWL file OWL RDF • LCA Info Hub • Data base • GUI • Excel • Import • SPARQL • X-QUERY • XSLT • Use common definitions • LCA InfoHub does not contain uri’s yet • Consistent use of standards