shall be extinguished and the silencing switch shall sound again
until the switch is restored to its original position. The master
control station shall be equipped with a separate, LED annunciated
switch for each telephone circuit. In addition, LEDs shall
provide for the annunciation of operating and supervisory power.
The loss of operating or supervisory power shall cause an audible
and visual indication at the master control station and shall also
cause the fire alarm trouble signal to sound on the FACP.
Switches, LEDs, and controls shall be fully labeled.
(3) Provide [surface] [flush] mounted remote telephone stations.
Each station shall be equipped with a hinged door that is
magnetically locked. Each hand set shall be permanently wired in
place with a coiled cord. Each hand set shall be red high-impact
cycolac and shall be equipped with a push-to-talk switch which,
when operated, shall signal the master control station and a
switch-equipped, storage cradle.
(4) Provide operating and supervising power from the same supply
circuit(s) utilized for the fire alarm control panel.
]2.2.18
Manual Stations
Provide metal or plastic, semi-flush mounted, double action, addressable
manual stations, which are not subject to operation by jarring or
vibration. Stations shall be equipped with screw terminals for each
conductor. Stations which require the replacement of any portion of the
device after activation are not permitted. Stations shall be finished in
fire-engine red with molded raised lettering operating instructions of
contrasting color. The use of a key or wrench shall be required to reset
the station.
2.2.19
Notification Appliances
[2.2.19.1
Fire Alarm Speakers
**************************************************************************
NOTE: Locate speakers throughout the building with
a maximum spacing of 92.9 square meters 1000 square
feet per speaker. Where sound has to pass through
more than one partition or wall to be heard in a
space, provide an additional speaker.
**************************************************************************
a.
Provide fire alarm speakers conforming to UL 464 having a minimum
of three tap settings and separate terminations for each in and
out connection. Tap settings shall include taps of 1/4, 1/2 and 1
watt. Speakers shall utilize the 1/2 watt tap in the system.
Speakers shall have an output rating of 84 dBA at 3050 mm 10 feet
as determined by the reverberant room test; data on peak output as
determined in an anechoic chamber is not suitable. Speakers shall
be capable of installation on standard 100 mm 4 inch square
electrical boxes. Where speakers and strobes are provided in the
same location, they may be combined into a single wall mounted
unit.
b.
Provide speaker mounting plates constructed of cold rolled steel
having a minimum thickness of 16 gage and equipped with mounting
holes and other openings as needed for a complete installation.
SECTION 13855N
Page 33
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