UFC 3-600-01
17 April 2003
with change 16 January 2004
CHAPTER 3
WATER SUPPLY FOR FIRE PROTECTION
3-1
WATER DEMANDS FOR SPRINKLERED FACILITIES.
3-1.1
Factors Influencing the Water Demand for Sprinklers. The
water demand required for sprinkler protection depends upon occupancy,
discharge density, design area, and type of sprinkler system (wet or dry), type of
construction, and other building features.
3-1.2
Water Demand for Sprinklers. The water demand required for
sprinklers must be determined from Table 4-1.
3-1.2.1
Design Densities. Design densities indicated in Table 4-1 are
minimum densities, and each sprinkler in the design area must discharge at least
the flow rate required to produce the stipulated density.
3-1.2.2
Design Area. Design areas shown in Table 4-1 are the
hydraulically most remote areas.
3-1.3
Water Demand for Hose Streams. Hose streams are needed
concurrently with sprinkler discharge in order to effect final extinguishment or to
wet down adjacent structures. The hose stream demand for sprinklered
occupancies must be determined from Table 4-1.
3-1.4
Total Water Demand for Sprinklered Occupancies. The total
water demand for sprinklered occupancies is equal to the sum of the
domestic/industrial demand plus the sprinkler system(s) water demand and the
hose stream(s) demand. The total demand must be available at the sprinkler
system connection to the underground main, and at the pressure necessary to
produce the required sprinkler density over the required hydraulically most
remote area of sprinkler operation.
3-1.5
Water Demand for Sprinklers (Special Facilities). Special
requirements apply to some facilities, as indicated in paragraphs 3-1.5.1 through
3-1.5.7.
3-1.5.1
Family Housing. Water demand for family housing must be the
sprinkler water demand plus domestic demand and 950 L/m (250 gpm) for hose
streams.
3-1.5.2
Warehouses (Piled or Rack Storage). Water demands for
warehouses containing rack storage or piled storage must comply with paragraph
6-10.
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