I have a fire wall on a two-story building providing separation for purposes of having two control areas.
There is a small roll-up door on the 2nd floor (in the main egress corridor of the building) in the firewall that can be opened to bring up items from the 1st floor to the 2nd through a lift from the 1st floor.
Is it code compliant to only have smoke detectors in the immediate area of the roll-up door (on each side) trigger the fire pin that closes the door, or, does every single smoke detector (it's a large building) need to trigger the roll-up (fire) door to close?
I am not finding a concrete code section (IBC or NFPA) that all detectors need to trigger the roll-up door to close.
Again, it's a very large building with many detectors. Thanks in advance for any answers/feedback.
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