transmitting signals at varying rates of speed ranging from electrical
impulses at 3 1/4 second intervals to 1/4 second intervals and shall be
field adjustable to any speed within this range. Mechanism shall be housed
in a wall mounted locked metal cabinet. Cabinet shall be finished in gloss
red enamel. Provide engraved metallic bronze or nickel-alloy or rigid
plastic code number plate mounted on face of transmitter housing.
][2.8.3.4
Radio Fire Alarm Transmitters
**************************************************************************
NOTE: Specify radio fire alarm transmitters for
bases having radio fire alarm systems. Transmitters
must be obtained from the manufacturer of the base
system. Provide manufacturer's name, model number,
color and frequency or frequencies to match the
existing system. Interface panels are required by
some manufacturer's systems, whereas with other
manufacturer's systems all required functions are
contained within the transmitter enclosure. Edit
accordingly. A level I Contracting Officer must
approve use of this paragraph for specifying a
proprietary product. Reason for specifying a
proprietary product is that only the manufacturer of
the existing system would have a transmitter which
would be FM approved or UL listed for use with the
existing base radio fire alarm system.
**************************************************************************
Provide a [_____] model [_____] radio [fire alarm [master box] [auxiliary
transmitter]] [fire alarm [master box] [auxiliary transmitter] and model
[_____] interface panel] [combination auxiliary transmitter and interface
panel] to be compatible with the existing base system. Not withstanding
any other provisions of this contract, no other product will be acceptable.
Transmitter shall operate on a frequency of [_____] MHz [AM] [FM].
Transmitter code number(s) shall be as specified by the Contracting
Officer. Transmitter [and interface] shall operate on 120 VAC and shall
also be provided with the manufacturer's approved battery charger and
standby battery adequate to supply standby power for at least 60 hours.
Transmitter housing shall be [red] [lime yellow] in color. Mounting shall
be [wall] [pole] [pedestal], 1.50 meters 5 feet above grade. [Arrange the
transmitter(s) to send a separate alarm signal for each zone on the fire
alarm control panel as specified in the paragraph entitled "Initiating
Zones", and a common trouble signal for any trouble condition on the
control panel.] Provide antenna as recommended by the transmitter
manufacturer. Provide engraved metallic bronze or nickel-alloy or rigid
plastic code number plate mounted on face of transmitter housing.
]2.8.4
Trouble Alarm
**************************************************************************
NOTE: Delete if a fire alarm system exists or is
being provided under this project.
**************************************************************************
Provide local [100 mm4 inch] electric alarm [bell] [horn] [_____] to
indicate trouble [or failure of the detection system] and label "Foam
System Trouble".
SECTION 13957N
Page 25
Previous Page
