4 states, "A minimum of 1 obtainable route shall hook up each accessible amount, such as mezzanines, in multilivel buildings and services" with Exception 1 looking through, "An available route will not be needed to stories and mezzanines which have an aggregate space of not in excess of three,000sf and https://ricardoqikds.free-blogz.com/85642192/top-latest-five-mezzbarriers-urban-news