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Smoke Detectors above suspended ceiling - Beam Pockets

Question asked by mlworthleyjr on Jan 8, 2020
Latest reply on Jan 8, 2020 by cdafd

Working in Nassau County, NY where we are designing for Above Ceiling spoke detectors where the ceiling above has beam pockets.

 

My question is when the NFPA references ceiling height, is it the height above the drop ceiling or the height above finished floor. It mentions that when installing devices above a suspended ceiling it should be treated as a separate room. But it doesn't mention anything about where to take the ceiling height reference from in that scenario.

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