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Article

Using Open BIM and IFC to Enable a Comprehensive Consideration of Building Services within a Whole-Building LCA

1
TH Köln (University of Applied Sciences), Institute of Building Services Engineering, Research Area Green Building, 50679 Cologne, Germany
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TMM Group Gesamtplanungs GmbH, Building Information Modeling R&D and Change Management, 71034 Böblingen, Germany
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RWTH Aachen University, Institute for Building Design and Realization, Research area Future Technologies for Comprehensive Building Sustainability, 52062 Aachen, Germany
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University of Wuppertal, Interdisciplinary Centre III / Institute of Building Information Modeling, 42285 Wuppertal, Germany
*
Author to whom correspondence should be addressed.
Sustainability 2020, 12(14), 5644; https://0-doi-org.brum.beds.ac.uk/10.3390/su12145644
Received: 29 May 2020 / Revised: 25 June 2020 / Accepted: 30 June 2020 / Published: 14 July 2020
(This article belongs to the Special Issue Integration of LCA and BIM for Sustainable Construction)
Holistic views of all environmental impacts for buildings such as Life Cycle Assessments (LCAs) are rarely performed. Building services are mostly included in this assessment only in a simplified way, which means that their embodied impacts are usually underestimated. Open Building Information Modeling (BIM) and Industry Foundation Classes (IFC) provide for significantly more efficient and comprehensive LCA performance. This study investigated how building services can be included in an open BIM-integrated whole-building LCA for the first time, identified challenges and showed six solution approaches. Based on the definition of 222 exchange requirements and their mapping with IFC, an example BIM model was modeled before the linking of 7312 BIM objects of building services with LCA data that were analyzed in an LCA tool. The results show that 94.5% of the BIM objects could only be linked by applying one of the six solution approaches. The main problems were due to: (1) modeling by a lack of standardization of attributes of BIM objects; (2) difficult machine readability of the building services LCA datasets as well as a general lack of these; and (3) non-standardized properties of building services and LCA specific dataset information in the IFC data format. View Full-Text
Keywords: open BIM; IFC; ER; LCA; LCA data; embodied impacts; building services; HVAC; MEP open BIM; IFC; ER; LCA; LCA data; embodied impacts; building services; HVAC; MEP
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MDPI and ACS Style

Theißen, S.; Höper, J.; Drzymalla, J.; Wimmer, R.; Markova, S.; Meins-Becker, A.; Lambertz, M. Using Open BIM and IFC to Enable a Comprehensive Consideration of Building Services within a Whole-Building LCA. Sustainability 2020, 12, 5644. https://0-doi-org.brum.beds.ac.uk/10.3390/su12145644

AMA Style

Theißen S, Höper J, Drzymalla J, Wimmer R, Markova S, Meins-Becker A, Lambertz M. Using Open BIM and IFC to Enable a Comprehensive Consideration of Building Services within a Whole-Building LCA. Sustainability. 2020; 12(14):5644. https://0-doi-org.brum.beds.ac.uk/10.3390/su12145644

Chicago/Turabian Style

Theißen, Sebastian, Jannick Höper, Jan Drzymalla, Reinhard Wimmer, Stanimira Markova, Anica Meins-Becker, and Michaela Lambertz. 2020. "Using Open BIM and IFC to Enable a Comprehensive Consideration of Building Services within a Whole-Building LCA" Sustainability 12, no. 14: 5644. https://0-doi-org.brum.beds.ac.uk/10.3390/su12145644

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