Mapping Standards and Rating Measures of Structural Green Roofs for Socio-Environmental Life Cycle Assessments Using Envision
Publication: Leveraging Sustainable Infrastructure for Resilient Communities
ABSTRACT
Deployment of green roofs in building structures has gained popularity as a sustainable practice to mitigate climate change consequences partially through reduction of environmental footprints and to enhance the economic and social values of the built infrastructure. Various standards highlight design, construction, maintenance, and operation challenges and opportunities for green roofs. Further, building codes and regulations consider changes in loading, thermal, acoustic, fire demands, and capacities associated with green roofs. These changes are not necessarily aligned with each other. Hence, decision-making procedures for the application of green roofs involve a comprehensive analysis of all structural, social, environmental, and economic parameters. Sustainability rating systems provide an opportunity to simplify comparative evaluations of green roof systems, incorporating a broad range of parameters in an integrated approach. This study maps sustainability credits to green roof standards for an occupied structural roof. The study incorporates the contribution of the green roof to the performance of the building envelope, like thermal performance, with provided guides complementing this mapping to evaluate the effectiveness of the mapping and highlight challenges in the life cycle assessment process. Conclusions facilitate discussions on objective performance measures of green roofs for different structural systems and occupancies.
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Leveraging Sustainable Infrastructure for Resilient Communities
Pages: 82 - 90
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Published online: Jan 20, 2022
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