It depends if the 800 sf is separated by a wall (not rated but just a
wall). If it is, the size of your remote area is based on the lower
overall building occupancy. If no wall, then the size is based on
the higher hazard occupancy. See 13:A.;11.2.3.2.1.1. Your hose
demand, though not stated in the Annex example, is understood to be
directly tied to that.
Roland
On Jan 10, 2007, at 1:30 PM, Dewayne Martinez wrote:
What would the appropriate water supply duration be for a building
overall light hazard occupancy but with a storage room of
approximately
800 sq ft in it. I need to size a water storage tank and 30 vs..
60 min
makes a difference. I saw the hose demand exception in NFPA for rooms
less than 400 sq ft. but this did not address the duration. I
tried to
access the archives but they seem to be down. Any help and possibly a
NFPA reference # would be appreciated.
Thanks
Dewayne
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