“…11a) In addition to the compliance with legal codes, safety indexes such as the Gretener method or others (KAISER, 1980;LUNDIN, 2005;HAHNEMANN;CORR脢A;RABBANI, 2017) can also be used to determine, or at least to estimate the level of security of an environment. Obviously, safety indices, or even performance-based projects COELHO FILHO, 2007;SHI;SHI;REN, 2011;SPINARDI, 2016), should always be used within their limits and by professionals who fully understand them, at the risk of artificially releasing spaces that could be potentially very dangerous (CHOW, 2013;BRAGA;MOITA, 2017). The value of da can be used as an element to support this kind of safety index, or introduced as a complementary index in performance-based projects.…”