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Dynamic relationship between embodied and operational impacts of buildings: An evaluation of sustainable design appraisal tools

Ajayi, Saheed O.; Oyedele, Lukumon O.; Dauda, Jamiu A.

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Authors

Saheed O. Ajayi

Lukumon Oyedele L.Oyedele@uwe.ac.uk
Professor in Enterprise & Project Management

Jamiu A. Dauda



Abstract

Purpose – Buildings and their construction activities consume a significant proportion of mineral resources excavated from nature and contribute a large percentage of CO2 in the atmosphere. As a way of improving the sustainability of building construction and operation, various sustainable design appraisal standards have been developed across nations. Albeit criticism of the appraisal standards, evidence shows that increasing sustainability of the built environment has been engendered by such appraisal tools as Building Research Establishment Environmental Assessment Method (BREEAM), Code for Sustainable Homes (CfSH), Leadership in Energy and Environmental Design and Comprehensive Assessment System for Built Environment Efficacy, among others. The purpose of this paper is to evaluate the effectiveness of the appraisal standards in engendering whole lifecycle environmental sustainability of the built environment. Design/methodology/approach – In order to evaluate the adequacy of sustainability scores assigned to various lifecycle stages of buildings in the appraisal standards, four case studies of a block of classroom were modelled. Using Revit as a modelling platform, stage by stage lifecycle environmental impacts of the building were simulated through Green Building Studio and ATHENA Impact estimator. The resulting environmental impacts were then compared against the assessment score associated with each stage of building lifecycle in BREAAM and CfSH. Findings – Results show that albeit the consensus that the appraisal standards engender sustainability practices in the AEC industry, total scores assigned to impacts at each stage of building lifecycle is disproportionate to the simulated whole-life environmental impacts associated with the stages in some instances. Originality/value – As the study reveals both strengths and weaknesses in the existing sustainability appraisal standards, measures through which they can be tailored to resource efficiency and lifecycle environmental sustainability of the built environment are suggested.

Citation

Ajayi, S. O., Oyedele, L. O., & Dauda, J. A. (2019). Dynamic relationship between embodied and operational impacts of buildings: An evaluation of sustainable design appraisal tools. World Journal of Science, Technology and Sustainable Development, 16(2), 70-81. https://doi.org/10.1108/WJSTSD-05-2018-0048

Journal Article Type Article
Acceptance Date Dec 6, 2018
Online Publication Date Jan 10, 2019
Publication Date Jan 1, 2019
Deposit Date Feb 7, 2019
Publicly Available Date Mar 28, 2024
Journal World Journal of Science, Technology and Sustainable Development
Electronic ISSN 2042-5953
Publisher Emerald
Peer Reviewed Peer Reviewed
Volume 16
Issue 2
Pages 70-81
DOI https://doi.org/10.1108/WJSTSD-05-2018-0048
Keywords sustainability, simulation, lifecycle analysis, BREAAM, CO2 emission, global warming potential
Public URL https://uwe-repository.worktribe.com/output/854057
Publisher URL https://www.emerald.com/insight/content/doi/10.1108/WJSTSD-05-2018-0048/full/html
Additional Information Additional Information : This is the author's accepted manuscript. The final published version is available here: http://doi.org/10.1108/WJSTSD-05-2018-0048.

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