Quantcast Section 1. Alarm and Detection Systems - aeg_fe0402

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SECTION 1. ALARM AND DETECTION SYSTEMS
1.1
WAREHOUSE FIRE ALARM SYSTEMS:  In warehouses requiring
sprinkler protection, fire alarm evacuation systems and manual pull
s t a t i o n s are required.  Warehouses 5,000 square feet and less do not
require evacuation systems.  The sprinkler system's pressure/flew
w i t c h shall be connected to the base fire alarm reporting system.
1.2
HANDICAPPED FIRE ALARM SYSTEMS: Fire alarm systems in
any structure accessible to handicapped persons (such as business,
a s s e m b l y , health care, or mercantile type structures) shall be
Examples: Audiovisual alarm
designed for the handicapped.
n o t i f i c a t i o n devices for deaf persons, manual pull stations at a
suitable height for persons confined to wheelchairs (4-foot maximum
height),
etc.
1.3
PIGGYBACKING: Avoid piggybacking fire alarm systems.
DETECTORS
1.4
1.4.1
Design/Contract Drawings:  All design drawings which
s h o w fire detectors shall include the following note:
"Devices are shown in suggested locations. Final quantity and
l a y o u t shall be in accordance with all applicable codes.
manufacturer's  recommendations, s p e c i f i c a t i o n s e c t i o n ( s )
and
e q u i p m e n t listings; Coordinate locations with lighting and air
handling systems.  Smoke detectors shall be located no closer than
3 feet from all supply air diffusers."
1 . 4 . 2  Detector Spacing:  Spacing shall not
exceed 25 feet.
a p a r t or 12 feet from wails.  When Detectors
are under floor.
a b o v e ceilings or cross zoned, they shall not be
spaced greater than
1 5 feet apart or 7 feet from walls.  If more
restrictive
requirements are found in equipment listings or in
NFPA 72E (1987
e d i t i o n ) , these requirements shall be followed.
Screw Terminals: Specify screw terminals for wiring
1.4.3
c o n n e c t i o n s for all detectors.  Plug-in harness is acceptable.
Concealed Detectors:  All concealed detectors.
1.4.4
( u n d e r f l o o r areas, attic spaces, d u c t detectors. blind spaces etc.)
shall either be remotely annunciated in an occupied location or toned
separately on the FACP.
1.4.5
Heat Detectors:  All heat detectors shall be rate
compensated type.  Da not use or specify fixed temperature or rate of
r i s e -type heat detectors.  (See item 1.4.6.3).
Smoke Detectors:  All smoke detector circuits shall be 4
1.4.6
w i r e c i r c u i t s , i . e . . 2 wires for power and 2 wires for signaling.





 


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