4 states, "At least a person accessible route shall link Every available stage, including mezzanines, in multilivel structures and amenities" with Exception 1 studying, "An available route isn't required to stories and mezzanines which have an aggregate place of not more than 3,000sf and can be found previously mentioned and https://cable-puller63940.theobloggers.com/44923300/a-simple-key-for-mezzanine-barrier-unveiled