UFC 3-600-01
17 April 2003
with change 16 January 2004
4-5
STANDPIPE SYSTEMS. When required, standpipe systems must
be installed in accordance with NFPA 14, Installation of Standpipe, Private
Hydrant, and Hose Systems.
Exception: Residual pressure requirements specified in NFPA 14
may be omitted for buildings under 45 m (150 ft) in height where fire department
apparatus are expected to boost pressure in standpipe systems.
4-5.1
Class I Standpipe Systems
Class I standpipe systems must be provided in the stair towers of
buildings four stories or more in height. These systems must not
include hoses.
Class I standpipe systems must also be provided in facilities where
it is not practical to reach major portions of the building with fire
fighting hose lines extended from the exterior of the building,
regardless of building height.
4-5.2
Class II and Class III Standpipes. Class II and Class III
standpipes are not permitted.
4-6
DRY CHEMICAL EXTINGUISHING SYSTEMS.
4-6.1
Application. Fixed dry chemical extinguishing systems are
appropriate for the protection of certain types of special occupancies, hazards,
and facilities such as dip tanks, and other operations involving flammable liquids.
4-6.2
Design Requirements. Dry chemical extinguishing systems must
conform to NFPA 17, Dry Chemical Extinguishing Systems.
4-6.3
Limitations. Dry chemical agents should not be used to protect
sensitive electronics. Dry chemical extinguishing systems are no longer UL listed
or FM approved for the protection of cooking equipment.
4-7
CARBON DIOXIDE SYSTEMS.
4-7.1
Application. Carbon dioxide systems are normally effective
against flammable liquid (Class B) and electrical (Class C) fires. New systems
are not authorized in occupiable areas.
4-7.2
Design Requirements. Carbon dioxide systems must conform to
NFPA 12, Carbon Dioxide Extinguishing Systems.
4-8
HALON 1301 SYSTEMS.
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