nfpa 14 what pressure and gpm required at top standpipe hose valve top floor is 79' above grade
NFPA 101 requires all high rise building to have class I (2 1/2" outlets) hose connections. NFPA 14 requires that standpipes with class I hose connections deliver 500 GPM @ 100 PSI on the hydraulically most remote outlets. 250 GPM must be added for any additional standpipe in the building.
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