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Hello, I am dealing with a HC-1 occupancy, but with a very high ceiling (60 ft.). I do not see a reference to ceiling heights in NFPA 13 for sprinkler design. I do see that FM uses ceiling height as a factor in their table for sprinkler designs. Does NFPA discuss ceiling heights at all, or...

Thanks MGXFP - just wanted to confirm that conceptually I was in the right ballpark.

Is there any logic in saying that if a sprinkler system was designed to provide 0.18 gpm/sq.ft. over 2,000 sq.ft., than it could deliver a higher density over a smaller density such as 0.2 gpm/sqft over 1,500 sq.ft. Since less sprinklers would operate in the smaller area, would they each receive...

Hi everyone, I am new to the fire protection community and had a general question. If a facility's fire protection system is supplemented with a fire pump, is a main drain test expected to kick the pump on? Or is there typically not enough pressure drop. Any thoughts/advice would be greatly...