Rethinking Sustainable Procurement: Investigating the Impact of System Boundary on Building Proposal Selection

Kartik Patel, Haibo Feng and Rajeev Ruparathna ()
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Kartik Patel: Department of Civil Engineering, University of Windsor, 401 Sunset Ave, Windsor, ON N9B 3P4, Canada
Haibo Feng: Department of Wood Science, University of British Columbia Forestry, Vancouver, BC V6T 1Z4, Canada
Rajeev Ruparathna: Department of Civil Engineering, University of Windsor, 401 Sunset Ave, Windsor, ON N9B 3P4, Canada

Sustainability, 2025, vol. 17, issue 4, 1-20

Abstract: The development of sustainable, healthy, and resilient buildings can position Canada as a global leader in the future of construction. Reforming the building procurement process will help achieve this goal, driving innovation in construction practices. Sustainable procurement has been gaining traction in the construction sector for the past two decades. Incorporating human health impact, durability, and resiliency into the framework ensures a more holistic approach to sustainability, addressing long-term well-being, structural longevity, and adaptability to changing environmental conditions. Yet there is a need to redefine sustainable procurement guidelines for buildings by incorporating human health impact and resiliency with the triple bottom line of sustainability. The objective of this research is to develop updated framework for the sustainable procurement of institutional buildings to enhance the construction procurement process by incorporating sustainability considerations and integrating resilience, durability and long-term human health. First, a comparative evaluation of system boundaries will be performed by comparing traditional procurement (cradle-to-gate) vs. the sustainable procurement framework (cradle-to-grave) for a selected institutional building. The outcomes of the case studies highlight that the cradle-to-grave system boundary offers a clear basis for decision-making in building construction. Second, a framework will be proposed for the sustainable procurement of institutional buildings based on the published literature and ISO 20400 standard, which will support the green procurement guidelines. The outcomes of this research will help assist Canada in achieving United Nations Sustainable Development Goals.

Keywords: sustainable procurement; institutional buildings; resilient buildings; healthy buildings (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2025
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