possibility of building occupants becoming aware of
system trouble is unlikely. Locate remote bell or
buzzer in a frequently attended area such as a
security/reception desk, office, or main corridor.
When a remote annunciator is also specified, specify
an annunciator with silenceable trouble sounder.
Provide an external trouble bell or buzzer above the
control panel when the control panel is located in a
high noise area, such as a machine shop, foundry,
printing plant, aircraft hangar bay, etc.
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[Provide a remote system trouble [100 mm4 inch bell] [buzzer] arranged to
operate in conjunction with the panel's integral trouble signal. Locate
remote trouble [bell] [buzzer] as indicated.] [Provide [100 mm4 inch
trouble bell] [external trouble buzzer] at the control panel arranged to
operate in conjunction with the panel's integral trouble signal.] Provide
trouble [bell] [buzzer] with a rigid plastic, white on red engraved
identification sign which reads "FIRE ALARM SYSTEM TROUBLE". Lettering on
identification sign shall be a minimum 25 mm one inch high.
]2.2.2
Manual Pull Stations
Provide noncoded [single] [double] action type with mechanical reset
features. Stations shall be [surface] [semi-flush] mounted and [interior]
[weatherproof] type as indicated. [For surface mounting provide station
manufacturer's approved back box. Back box finish shall match station
finish.] Equip each station with a terminal strip with contacts of proper
number and type to perform functions required. Stations shall be a type
not subject to operation by jarring or vibration. Break-glass-front
stations are not permitted; however, a pull-lever break-rod type is
acceptable provided presence of rod is not required to reset station.
Station color shall be red. Station shall provide visible indication of
operation. Restoration shall require use of a key. Keys shall be
identical throughout the system for all stations and control panel(s).
Mount stations with operating lever not more than 1.2 m 4 feet above
finished floor. Where weatherproof stations are required, provide stations
with cast metal, weatherproof (NEMA 3R) housings with hinged access doors;
finish housings with red enamel paint and provide permanently affixed
engraved or raised-letter plastic or metal identification signs reading
"FIRE ALARM" with white letters a minimum of 19 mm 3/4 inch high.
2.2.3
Heat Detectors
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NOTE: Choose the type of heat detector best suited
for application or design. Do not use rate-of-rise
detectors in areas subject to rapid temperature
changes, such as boiler rooms and shower rooms.
Line-type detectors should only be used for
specialized industrial-type hazards. Consult with
the EFD/EFA Fire Protection Engineer.
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Provide detectors designed for detection of fire by [combination fixed
temperature rate-of-rise] [rate compensating] [line-type fixed temperature]
principle. Locate detectors in accordance with their listing by UL or FM
and the requirements of NFPA 72, except provide at least two detectors in
SECTION 13852N
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