bim for life cycle assessment a case study: redensifica;on...• evaluaon of bim & soxware tool...
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1 PROJEKT INFO | 30.11.2010 3.6.2016. / Iva Kovacic
BIMforLifeCycleAssessmentACaseStudy:Redensifica;on
Prof.Dr.IvaKovacicIns0tuteforinterdisciplinarybuildingprocessmanagement,HeadofResearchGroupforIntegratedPlanning,TUWienMelihaHonicIns0tuteforinterdisciplinarybuildingprocessmanagement,ResearchGroupforIntegratedPlanning,TUWien
2 PROJEKT INFO | 30.11.2010 3.6.2016. / Iva Kovacic
ResearchGroupforINTEGRATEDPLANNING ResearchAim:
Explora0onofIntegrated,Collabora0veDesign(inEARLYstages)supportedbyBIMandComputa0onalToolsFocus:• BIMtoFEM(Analysis)• BIMtoBEM• BIMforLifeCycle• ExperimentalResearchofCollabora0veDesignPrac0ce
3 PROJEKT INFO | 30.11.2010 3.6.2016. / Iva Kovacic
PointofDeparture
• OngoingResearch:BIMMaterial“BIM-basedMaterialBuildingPass”• UrbanMining–BuildingsasMaterialStorage,Re-useofMaterials,WasteReduc0on• DesignforDeconstruc0on(partofpermiUngprocess)• BIMMaterialissimultaneouslyanop0miza0ontool(LCA)and
adocumenta0onofmaterialcomposi0onofabuilding
4 PROJEKT INFO | 30.11.2010 3.6.2016. / Iva Kovacic
PointofDeparture
• Evalua0onofBIM&soXwaretoolchains/workflowsforLifeCycleAssessmentofenvironmentalfootprintofmaterials&construc0on(inearlydesignstage),materialcataloguingandmanagement
• Firststep:CaseStudyonRedensifica0on(CLTHousingBlockonexis0ngsupermarketlot)
Building Land Building Land Reserve
Before Densification After Densification
5 PROJEKT INFO | 30.11.2010 3.6.2016. / Iva Kovacic
PointofDeparture
Site:Supermaraketparkinglot,innercity–2.District
6 PROJEKT INFO | 30.11.2010 3.6.2016. / Iva Kovacic
ResearchMethodology
BuildingOneautomated
MSExcelmanual
BIMModellingforLCA
7 PROJEKT INFO | 30.11.2010 3.6.2016. / Iva Kovacic
Pre-Design 3D Model, Singe layer Elements LOD 100
List of layers (materials), Material equivalents Holzdata Austria - IBO
Conceptual Design Multi layer element modelling, Naming according to IBO LOD 200
Areas query from the 3D model
Plug In in Archicad Direct assessment of volumes of materials
Results in BuildingOne Export to XLS
ModellingMethodology
LCA Results
8 PROJEKT INFO | 30.11.2010 3.6.2016. / Iva Kovacic
ModellingMethodology
CLTDatabasedataholz.at
Eco-IndicatorsDatabaseIBO
Propertysets
IBO OI3 (2013) OI3-INDIKATOR Guideline for Calculation of Eco-indicators for buildings, Vienna, Austrian Institute for Building and Ecology.
www.dataholz.at
9 PROJEKT INFO | 30.11.2010 3.6.2016. / Iva Kovacic
DetailedBIMModelinArchicad19
Mul0-LayerElementExteriorWall
ModellingMethodology
10 PROJEKT INFO | 30.11.2010 3.6.2016. / Iva Kovacic
Calcula0onsheetinMSExcel
ECO Indicators GWP, AP, PEI
WorkflowBIM-XLS
BIM Model Areas
Layers Thicknesses
LCA Calculation Rule Sets
11 PROJEKT INFO | 30.11.2010 3.6.2016. / Iva Kovacic
BIMfürLCA–Archicad->BuildingOne
ECO Indicators GWP, AP, PEI
BIM-Model Layers, Areas, Volumes, Masses
LCA Calculation Rule sets
BuildingOneCalcula0on
12 PROJEKT INFO | 30.11.2010 3.6.2016. / Iva Kovacic
LCAResults
Thickness
Area
Volume
Multi Layer Element
Multi Layer Element
13 PROJEKT INFO | 30.11.2010 3.6.2016. / Iva Kovacic
LCAResults
New housing without structural optimization New housing with structural optimization Existing Structure
GWPbefore/Person10Persons
GWPaXer/Person10+72Persons
HousingBlock
Exis0ngRetailExis0ngRetail
14 PROJEKT INFO | 30.11.2010 3.6.2016. / Iva Kovacic
Conclusion
• Assessmentofenvironmentalfootprintsofmaterials&construc0onusingBIMtoolchainsenablesdesign-op0miza0oninearlydesignstages
• Alloca0onandmanagementofmaterialsandconstruc0onispossible• BuildingOneisadvantageous–synchronisa0onofmodelchanges,automated
assessment,despitethefactthatthesoXwarewasoriginallynotcreatedforLCAbutareamanagement
• Challenges:Datainconsistencies-Harmoniza0onbetweenproductmanufacturers,digitalobjectlibrariesandEPDsorDevelopmentofstrategieshowtodealwithvaryinglevels/contentsofinforma0onCrea0onofdigitalknowledgerepositories(insteadoflists)
15 PROJEKT INFO | 30.11.2010 3.6.2016. / Iva Kovacic
finalaimBIMMaterialDigitalBIM-basedMaterialCadastreforthecityofVienna
