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15 terms

chapter 3

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NFPA 13
A widely accepted installation standard for commercial
single water supply
In buildings with standpipe systems, sprinkler systems are usually combined with them and fed
NFPA 13
requires that sprinkler controls remain independent of standpipe systems
control valve
This enables the fire department to shut off the sprinklers during the rare occasions when a sprinkler pipe fails, or the sprinklers are not controlling the fire
valves
Fire service personnel often need rapid access to
NFPA 13 requires
marking for all water supply control valves including main valves, pump valves, sectional valves, and zone valves
Valve handles are often located
high enough to be out of vandals' easy reach
Post indicator valves should be at least
40 feet from the buildings they serve
Fire pumps
are used to boost the water pressure in sprinkler and standpipe systems and to deliver the required amount of water
NFPA 20 contains reliability requirements for
the power supply to an electrically driven fire pump
NFPA 13
requires installation of sprinklers through requires installation of sprinklers throughout
NFPA 20 requires electrical monitoring of
pump controllers for pump running, power failure, or controller trouble
Exterior valves should be placed
in locations accessible even during a fire incident
Inside and outside entrances to fire pump rooms should be labeled with
signage.
NFPA 13D and 13R primarily protect
lives rather than property.

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