4 states, "A minimum of one available route shall connect each obtainable amount, like mezzanines, in multilivel buildings and facilities" with Exception 1 reading through, "An available route just isn't necessary to stories and mezzanines that have an aggregate location of not in excess of three,000sf and can be found https://zionunqja.amoblog.com/the-mezzanine-gate-diaries-60191977