Got a question regarding sprinkler protection above hung ceilings. NFPA-13 states that sprinkler protection is NOT required above hung ceilings if the area above has non-combustibles even with small openings in the ceiling.
However, I seem to recall a requirement that if there are large openings in the hung ceiling, sprinklers are required above the ceiling, but only for a certain distance in from the edge of the opening.
Thoughts on what section provides that distance?
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