Every Fire has six sidex-the obvious four sides and what is above us and below us, which at times may even be more critical information. When we pull up to a structure on fire, no one is going to be there to let us know what renovations may have been made to the structure. As buildings age and old tenants move out, new ones move in. Usually, they like to change things around. Sometimes buildings are renovated just because they are worn out. According to Fire Department of New York (FDNY) Deputy Chief (Ret.) Vincent Dunn, buildings have a life cycle of 75 years.
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