We are working on a 20-story apartment building where the corridors are open with parapet walls on either side. These serve as an exit access corridor. The project is under NFPA 101.
In Chapter 7 of NFPA 101, the exist access corridor is supposed to have a minimum fire resistance rating of 1-hour. However, I can't seem to find any provision in the code regarding open corridors.
Will these corridors be required to have a fire resistance rating? What about the doors of the dwelling units?
I'm assuming if the corridor is not fire rated, then we wouldn't need opening protection through these partitions/walls.
Thanks in advance.
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