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 MIL-HDBK-1008B
Table 5.1.2
Water Demands for Sprinklered Facilities
SPRINKLER
DESIGN
DESIGN
HOSE
DURATION
OCCUPANCY
DENSITY2
AREA
Gal/Min
OF
CLASSIFICATION[1] (Gal/Min)/FT2 FT2
(L/Min)
SUPPLY
(L/min/m2)
(m2)
Minutes
Light Hazard
0.10 ( 4)
3,000(280) 250( 960)
45
Ordinary-Hazard
0.15 ( 6)
3,000(280) 500(1,920)
60
Group 1
Ordinary-Hazard
0.20 ( 8)
3,000(280) 500(1,920)
75
Group 2
Extra-Hazard
0.30 (12)
3,000(280) 750(2,820)
120
Group 1
Extra-Hazard
0.35 (14)
3,000(280) 750(2,820)
120
Group 2
1
Refer to Appendix C for occupancy hazard classification.
2
For dry pipe systems, increase design area by 30 percent.
3
Design area may be reduced to limits described in NFPA 13, with
approval of the EFD/EFA/PWC (Navy/Marine Corps), District (Army),
MAJCOM (Air Force) fire protection engineer, or the AHJ.
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