The New York City Office of Emergency Management begins testing its new architecture of disaster relief. Photo © Architectural Record New York City officials unveiled a new modular post-disaster housing unit, designed by Garrison Architects. It’s nothing short of  building a city within a city overnight. That’s the fundamental premise behind a new modular post-disaster housing unit, designed by Garrison Architects, which was revealed Tuesday by New York City officials. The premise is simple but ambitious: Post-disaster housing will allow city residents to live in their neighborhood for months or years after a major disaster while their homes undergo repairs.