2.8.1.7
Fire Protection Systems
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NOTE: Select fire protection system based on cost
and local regulations. If kitchen can not tolerate
time lost for clean-up in event of dry chemical
release, or if kitchen return air is tied into
building system return air, do not use that system.
Ensure that actuating systems are indicated on
drawings.
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Provide a pre-engineered [[dry] [wet] chemical system in accord with
Section 13971N DRY CHEMICAL FIRE EXTINGUISHING FOR KITCHEN CABINET]
[[liquid foam system] [water spray system] in accord with NFPA 96].
[Include water spray in plenum of hood.] Include micro-switch for electric
power and fuel shut off to equipment under hood and a fuel shut-off and
reset button. Exposed piping under hood and surface nozzles to be
stainless steel or chrome plated. Paint exposed piping running to hood
with rust-inhibiting aluminum paint. Provide electrical wiring,
contactors, shunt breakers, electrical control for gas valves, and other
electrical components required to install fire systems in accord with
Section 16402 INTERIOR DISTRIBUTION SYSTEM.
a.
Actuating Stations. Provide manual actuating station and remote
manual actuating station as indicated. Clearly label actuating
station as "Hood Fire Protection" and specific device protected.
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NOTE: If water spray system is specified, make sure
it is compatible with building sprinkler system.
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b.
Water Spray Fire System In Grease-Extracting Type Hood: Include
wall-mounted control panel with pilot lights for indicating when
system is operational, not operational, and on fire alert. Provide
audible fire alarm, unions, hand valve, valve switch, and pressure
switch. Include duct nozzles and plenum nozzles. Provide water
pipe to control panel and from control panel to hood. Provide
connections as part of building sprinkler system, Section 13930N
WET-PIPE FIRE SUPPRESSION SPRINKLERS.
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NOTE: If exhaust hood fire system is to be
connected to building alarm system, the work must be
included in other sections and coordinated.
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c.
Alarm Connection: Provide capability to signal operational
readiness and to generate electronic signal when hood fire system
is activated. Provide connection point for building alarm system.
Provide system to connection point and connect in accord with
Section 13852N INTERIOR FIRE ALARM SYSTEM.
2.8.1.8
Vapor proof Lights
Provide, at Type 2 and Type 3 hoods, incandescent or fluorescent lights in
accord with UL 1570 or UL 1571. Locate switches for operating hood lights
SECTION 11400N
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