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LCA calculation methods using BIM at the basic design stage: A focus on matching BOM and CO2 norm data using Uniclass and IDEA

  • KIEU Tri Cuong (Regional Environment Systems, Graduate School of Engineering and Science, Shibaura Institute of Technology) ;
  • NGUYEN Hoang-Tung (Head of Project Management Section, Faculty of Construction Management, University of Transport and Communications) ;
  • Kazuya SHIDE (Department of Architecture, School of Architecture, Shibaura Institute of Technology)
  • Published : 2024.07.29

Abstract

The construction sector is known as a main source of increased CO2 emissions, and BIM-LCA integration is expected to reduce the environmental burden by helping to control emissions and energy during the basic design stage. However, numerous studies showed that LCA is complicated as it requires great efforts in creating BOQ and linking multiple databases together. In addition, a precise LCA requires LOD 300, a level of detail that often takes a lot of effort to establish at the basic design stage. To address this issue, this study proposes a BOM-based BIM-LCA integrated model that uses a combination of Uniclass, IDEA, and the Calculation Formula Library, which focuses on the development and exploitation of information, even if the 3D Object's Level of Detail is low. The model allows the decomposition of the building information in order to create BOM and BOQ at a high level of detail from the basic design stage onward. Furthermore, it allows the flexible connection of data sources to perform LCA in a systematic manner.

Keywords

References

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