visual alarms outside entrances to protected areas, and provide with
warning signs reading "CARBON DIOXIDE DISCHARGED WHEN FLASHING - DO NOT
ENTER."]
2.10.1
Alarm Bells
[Surface mounted] [Recessed], [250 mm] [10 inch] [_____] diameter with
matching mounting back box. Provide vibrating type bells suitable for use
in an electrically supervised circuit. Provide underdome type bells which
produce a sound output rating of at least 87 decibels at 3 meters 10 feet.
Finish bells in red enamel.
2.10.2
Alarm Horns
[Surface Mounted] [Recessed], vibrating type suitable for use in an
electrically supervised circuit and with a sound output rating of at least
87 decibels at 3 meters 10 feet. Finish horns in red enamel.
2.10.3
Visual Alarms
[Surface] [Flush] mounted lamp assembly suitable for use in an electrically
supervised circuit. Provide flashing [stroboscopic] [incandescent] [rotary
beacon] lamps, powered from the control panel alarm circuit. Use lamps
with a minimum of 50 candle power. Ensure flash rate is between 60 and 120
flashes per minute. Protect lamps with a thermo-plastic lens, red for
pre-discharge alarms and blue for discharge [and post-discharge] alarms.
[Visual alarms may be part of an audio-visual alarm assembly.]
2.11
MAIN ANNUNCIATOR
Provide annunciator which is integral with main control panel. Provide
separate alarm and trouble lamps for each zone alarm initiating circuit
located on exterior of cabinet door or visible through cabinet door.
Supervision will not be required provided a fault in annunciator circuits
results only in loss of annunciation and not affect normal functional
operation of remainder of system. Identify the specific [zone] [area]
[device] of each lamp by means of a permanent label. Do not use zone
identification consisting of such words as "Zone 1," "Zone 2;" use a
description of [zone] [area] [device].
2.11.1
Annunciation Zones
Arranged as follows:
Zone 1:
[_____]
Zone 2:
[_____]
Zone 3:
[_____]
Zone X:
[_____]
2.11.1.1
Remote Annunciator Panel
Locate as shown. Provide panel which duplicates requirements specified for
main control panel annunciator, except that in lieu of individual zone
trouble lamps a single trouble lamp may be provided. Provide panel with a
lamp test switch. Identify zones by means of [permanently attached rigid
plastic or metal plates] [silk-screened labels attached to reverse face of
SECTION 13962N
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