SECTION 1. ALARM AND DETECTION SYSTEMS
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.
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
PIGGYBACKING: Avoid piggybacking fire alarm systems.
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 )
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
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
c o n n e c t i o n s for all detectors. Plug-in harness is acceptable.
Concealed Detectors: All concealed detectors.
( 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.
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 18.104.22.168).
Smoke Detectors: All smoke detector circuits shall be 4
w i r e c i r c u i t s , i . e . . 2 wires for power and 2 wires for signaling.