Methodological framework for environmental performance assessment in the design process of public buildings
DOI:
https://doi.org/10.11606/gtp.v18i1.201942Keywords:
Life cycle assessment, environmental performance assessment, sustainability in public administrationAbstract
The construction sector plays a leading role in global environmental impacts and, in Brazil, it has a significant portion represented by public buildings, which have legislation for the adoption of sustainability criteria in their projects, but limited practical actions. In this context, the present work proposes a methodological framework to estimate potential environmental impacts of the life cycle of Brazilian public buildings, using the technique of life cycle assessment (LCA) in the comparison of constructive solutions, during the design process. The method was structured from a systematic review on the applications of LCA in the initial phases of the project, from the analysis of the design process of public buildings and from regulations related to the LCA technique. A case study was used to test the instrument and the results indicate that, with the occasional change in a construction system with relevant impacts, significant improvements are obtained in the environmental performance of the entire life cycle of the building. A sensitivity analysis was also carried out to verify the influence of the project lifetime periods, considered for the different scenarios evaluated. It was possible to identify that, with the support of specialists, the method can contribute to the inclusion of environmental performance assessment in Public Administration.
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