4 states, "At the least a single available route shall connect Each and every available amount, including mezzanines, in multilivel properties and services" with Exception one reading through, "An obtainable route is just not required to stories and mezzanines which have an aggregate area of not in excess of three,000sf https://manual-lifting-equipment69268.ivasdesign.com/59544872/the-single-best-strategy-to-use-for-mezzbarriers