][2.7.3
Hose System Activation
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NOTE: Tank systems and hose systems shall be served
by separate mains.
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[Each] [The] zone shall encompass [all hose stations] [the hose stations
indicated]. Hose stations shall be activated upon activation of a hose
station manual release station. Provide a manual release station at each
hose station.
]2.8
ALARMS
2.8.1
Water Motor Alarms
Provide weatherproof and guarded type alarm for each deluge valve. Alarms
shall sound locally on the flow of foam solution in each system to which it
is connected. Mount alarms on the outside of the outer walls of each
building, at locations indicated. When more than one alarm gong is
provided, provide permanent engraved rigid plastic or metal signs
indicating to which system each gong is connected.
2.8.2
Local Alarm
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NOTE: Delete if a fire alarm system exists or is
being provided under this project.
**************************************************************************
Provide electric [alarm horns] [alarm bells] sound locally on operation of
any system, regardless of whether water flows or not. When more than one
alarm is provided, provide permanent engraved rigid plastic or metal signs
indicating to which system each alarm is connected.
2.8.3
Fire Alarm
Provide equipment for the automatic transmittal of an alarm over the
facility fire alarm system. Arrange so that the detection system and the
flow of solution in each system will actuate the alarm.
2.8.3.1
Pressure Switch
Provide switch with SPDT contacts to automatically transmit alarms upon
flow of water or AFFF. Alarm actuating device shall [have mechanical
diaphragm controlled retard device adjustable from 10 to 60 seconds and
shall] instantly recycle.
[2.8.3.2
Master Fire Alarm Boxes
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NOTE: Specify master fire alarm boxes for
connection to a positive non-interfering successive
(PNIS) type base fire alarm system and when there is
also a need for a new exterior coded fire alarm box.
In mercantile, manufacturing, and industrial
districts it shall not be necessary to travel in
excess of one block or 150 meters 500 feet to reach
an exterior fire alarm box. Specify local energy
SECTION 13957N
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