Four states, "At the least 1 available route shall join Each and every obtainable stage, which include mezzanines, in multilivel buildings and services" with Exception 1 reading through, "An obtainable route is not really required to tales and mezzanines which have an aggregate place of not in excess of three,000sf https://trentonskbmf.bloguerosa.com/37169957/the-2-minute-rule-for-mezzanine-safety-gates