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Nordic Innovation
BIM for Building LCA
Enhancing Nordic Sustainable Construction through Digitalisation
BIM for Building LCA: Enhancing Nordic Sustainable Construction through Digitalisation
About this publication
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Preface
Glossary
Summary and recommendations
1. BIM-based building LCA process
1.1. Key principles for BIM-based embodied emissions calculation
1.2. Scope of Nordic climate declarations
1.3. Organisation of data
1.4. Scope and purpose of this work
1.5. Possible pathways from BIM to LCA
2. LCA requirements and data availability in different project phases
3. Instructions for BIM-based material inventory
3.1 General requirements for BIM
3.2. BIM specification documents
3.3. Required data in the BIM model for information take-off
3.4. Managing the overlap between BIM models
4. Supplementing BIM data from external sources
4.1. Sources for supplementary data
4.2. Material assumptions
4.3. LCA documentation
5. Guidance for transferring data from BIM tools to LCA tools
6. Guidance for iterative design and analysis workflow between BIM and LCA tools
7. Example for information take-off for LCA calculations
8. BIM models supporting the BIM-based building LCA
8.1. Example buildings’ design principles
8.2. Several design disciplines
8.3. Two frame material options
8.4. Building design process
8.5. Information content in the two phases of the project
8.6. Modelling standards
8.7. Classification systems
8.8. Models as proprietary formats of the design software
8.9. Use of IFC for quantity data
Appendix
Appendix A: prEN 15978 comparison to IFC 4.3 (ISO 16739-1:2024)
Appendix B: Comparison between prEn 15978, ISO 81346-12, CoClass, Talo2000 and ICMS
Appendix C: BIM model authors and BIM file names
Appendix D: Example BIM specification documents
Appendix E: Instructions for BIM-based material inventory in native Nordic languages
Appendix F: Educational videos on BIM-based building LCA