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Investigating the effectiveness and robustness of performing the BIM-based cradle-to-cradle LCA at early-design stages: a case study in the UK

Atik, S; Domenech Aparisi, T; Raslan, R; (2021) Investigating the effectiveness and robustness of performing the BIM-based cradle-to-cradle LCA at early-design stages: a case study in the UK. In: (Proceedings) Building Simulation and Optimization 2020. International Building Performance Simulation Asssociation (IBPSA) (In press). Green open access

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Abstract

Life Cycle Assessment (LCA) has been used to provide a ‘roadmap’ for a building design to mitigate their adverse impacts on the environment. Due to the increasing trend of using Building Information Modelling (BIM) tools in the building design and construction industry, integrated BIM-based LCA approaches have gained importance in early-design stage decision-making processes. However, the ability of these tools to seamlessly integrate into the building design process remains a gap in the field. This paper aims to address this knowledge gap by proposing and applying an evaluation framework developed to assess current integration practices within the workflow of an LCA plugin for BIM; eToolLCD. Therefore, an educational building case study in the UK was used to compare assessment results from both conceptual and detailed-design stages produced using eToolLCD to those produced through a ‘traditional’ LCA approach using SimaPro8. The scope in both approaches considered solely the vertical envelope of the building within a cradle-to-cradle system boundary. Findings from the comparison of both tools highlight that the minimum difference was around 8% for the Global Warming Potential impact category while significant variations were detected for other categories. The outcomes of this study are expected to primarily contribute to identify main opportunities as well as potential technical challenges and limitations of the implementation of the LCA-based plugin and ultimately the proposal of potential future development routes.

Type: Proceedings paper
Title: Investigating the effectiveness and robustness of performing the BIM-based cradle-to-cradle LCA at early-design stages: a case study in the UK
Event: Building Simulation and Optimization 2020
Location: Loughborough, the UK
Dates: 21 September 2020 - 22 September 2020
Open access status: An open access version is available from UCL Discovery
Publisher version: http://www.ibpsa.org/conferences/
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of the Built Environment
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of the Built Environment > Bartlett School Env, Energy and Resources
URI: https://discovery.ucl.ac.uk/id/eprint/10112217
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