Quantcast Section 1. Alarm and Detection Systems - aeg_fe0356

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ALARM AND DETECTION SYSTEMS
SECTION 1.
WAREHOUSE FIRE ALARM SYSTEMS:  In warehouses requiring sprinkler
1.1
protection, fire alarm evacuation systems, including manual pull stations, are
required.  Warehouses 5,000 square feet and less do not require evacuation
fire alarm systems.  The sprinkler system's pressure/flow switch shall be
connected to the base fire alarm reporting system.
HANDICAPPED FIRE ALARM SYSTEMS:  Fire alarm systems in any
1.2
structure accessible to handicapped persons, such as business, assembly,
health care, or mercantile structures, shall be designed for the handicapped.
Examples :  Audiovisual alarm notification devices for deaf persons, manual
pull stations at a suitable height for persons confined to wheelchairs
(four-foot maximum height), etc.
1.3
PIGGYBACKING:
Avoid piggybacking fire alarm systems.
1.4
DETECTORS:
1.4.1
Design/Contract Drawings:  All design drawings for non CQC
projects which show fire detectors shall include the following note:
"Devices are shown in suggested locations. Final quantity and layout
shall be in accordance with all applicable codes, manufacturer's
recommendations, specification section(s)
and equipment 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 apart or
12 l/2 feet from walls.  When Detectors are under floor, above ceilings or
cross zoned, they shall not be spaced greater that 15 feet apart of 7 l/2 feet
from walls.  If more restrictive requirements are found in equipment listing
or in NFPA 72E (1990 edition), these requirements shall be followed.
Screw Terminals:  Specify screw terminals for wiring connections
1.4.3
for all detectors.  Plug-in harness is acceptable.
Concealed Detectors:  All concealed detectors (underfloor areas,
1.4.4
attic spaces, duct detectors, blind spaces, etc.) shall either be remotely
annunciated in an occupied location or zoned separately on the FACP.
1.4.5
Heat Detectors:  All heat detectors shall be rate compensated
type.  Do not use or specify fixed temperature or rate of rise type heat
detectors except for lounge smoke detectors (1.4.6.3) and for elevator shafts
(2.11).
Smoke Detectors:  All smoke detector circuits can be either
1.4.6
two-wire or four-wire circuits.





 


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