Study of exposure to sunlight in high density residential zones considering ABNT NBR 15.215-3:2024

Authors

DOI:

https://doi.org/10.11606/gtp.v19i3.230025

Keywords:

computer simulation, NBR 15215-3, solar right, solar access

Abstract

The sun is a historical premise for the city's quality of life, human health, and well-being. However, there is a discrepancy between what is produced by the construction industry in densely populated urban areas and the environmental comfort of their residents. With this in mind, the article investigated the behavior of the new metric for minimum sunlight exposure from ABNT NBR 15.215-3:2024 in verticalized neighborhoods of Curitiba/PR and Porto Alegre/RS, metropolises located in bioclimatic zones 1M (very cold with a moderate winter) and 2R (cold), respectively, where compliance with the requirement is mandatory due to the susceptibility to cold discomfort. Based on the construction potential of current master plans, it was observed that more restrictive urban planning parameters, as seen in Porto Alegre, greatly favor compliance with the standard at higher levels, even considering higher latitudes. In more permissive scenarios, such as in Curitiba, the metric alone does not provide definitive results, since it, in isolation, is not sufficient for a conclusive result on solar exposure, since most analyzed units would need to be subjected to thermal performance evaluation by NBR 15.575:2021 to verify compliance with Level I. Finally, authors concluded that aligning public policies, standardization, and market interests is necessary to ensure residents' comfort.

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Author Biographies

  • Bruno G. M. Almeida, Federal University of Minas Gerais

    Undergraduate student in Architecture and Urbanism at the Federal University of Minas Gerais. Former scientific initiation scholarship holder at the Laboratory of Comfort and Energy Efficiency in the Built Environment (Labcon) at the School of Architecture of UFMG, working on master's and doctoral research in the field of natural lighting, with a focus on the revisions of the ABNT NBR 15.575 and ABNT NBR 15.215 standards. Has dedicated a significant part of his academic journey to courses related to environmental comfort, energy efficiency, and sustainability.

  • Roberta V. G. Souza, Federal University of Minas Gerais

    Architect from UFMG, PhD in Civil Engineering from UFSC. Associate Professor at the School of Architecture of UFMG, teaching in the Architecture and Urbanism course and in the Graduate Program in Built Environment and Sustainable Heritage. Coordinator of the Laboratory of Environmental Comfort and Energy Efficiency at EAUFMG. Productivity Fellow in Technological Development from CNPq. Coordinator of research projects funded by CNPq and FAPEMIG. Coordinator of the review of NBR 15.215 - "Natural Lighting." Reviewer for international and national journals and ad hoc evaluator for funding agencies (CAPES, CNPq, FAPESP, among others). Member of the scientific associations ANTAC, Association of Technology of the Built Environment (where she served as vice president, administrative director, and coordinator of the Comfort Working Group), and CIE-Br, International Commission on Illumination - Brazil branch. Her areas of expertise include natural lighting, energy efficiency in buildings, thermal performance, thermal comfort, building benchmarking, and climate change.

  • Luisa M. Vecchini, Federal University of Minas Gerais

    Undergraduate student in Architecture and Urbanism at the Federal University of Minas Gerais. Has experience in the areas of energy efficiency, sustainability, and environmental comfort, primarily working on residential and commercial architectural projects.

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Published

2024-12-31

Issue

Vol. 19 No. 3 (2024): fluxo contínuo

Section

Papers

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Copyright (c) 2024 Bruno G. M. Almeida, Roberta V. G. Souza, Luisa M. Vecchini

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How to Cite

ALMEIDA, Bruno Guimarães de Melo; SOUZA, Roberta Vieira Gonçalves de; VECCHINI, Luisa Miquelete. Study of exposure to sunlight in high density residential zones considering ABNT NBR 15.215-3:2024. Gestão & Tecnologia de Projetos (Design Management and Technology), São Carlos, v. 19, n. 3, p. 93–108, 2024. DOI: 10.11606/gtp.v19i3.230025. Disponível em: https://journals.usp.br/gestaodeprojetos/article/view/230025.. Acesso em: 16 apr. 2025.