on walls. Provide each hose reels and hose station with a device to secure
discharge nozzle to wall when not in use.
2.6.1
Stop Valves
Provide manually operated, quick-opening, lever-type stop valves.
Locate
valves approximately 1.50 meters 5 feet above floor.
2.6.2
Discharge Nozzles
**************************************************************************
NOTE: Omit if hose stations are not to be provided.
**************************************************************************
Provide each station discharge nozzle with a standard orifice of the size
determined by the flow calculations for the individual hose station.
Provide each discharge nozzle with the standard orifice code number,
reflecting the orifice size in accordance with NFPA 12.
2.7
SYSTEM CONTROL
Provide apparatus, accessories, components, and associated materials
specified or required. Provide [automatic] [and] [manual] electric type of
actuating control system complete and ready for operation. Provide
complete "Class A" electrically supervised, combination, automatic, and
manual detection system. Achieve automatic actuation by [smoke] [and] [or]
[heat] detectors. Do not use break-glass-front manual stations. Manual
stations incorporating a hinged cover face with a glass view window, in
which the cover must be pulled open prior to actuating the station, are
acceptable. Provide guarded-front stations.
2.7.1
Control Station for Hose Reel
**************************************************************************
NOTE: Omit if hose stations are not to be provided.
**************************************************************************
Provide single push-button momentary contact station adjacent to each hose
reel. Depressing the button shall cause carbon dioxide to flow from the
storage tank, through the hose reel station system selector valve, to all
hose reel stations installed on the system for a period of one minute. At
the completion of the one minute discharge, the system shall automatically
recycle and again be ready for actuation.
2.7.2
Control Station for Flooding System(s)
**************************************************************************
NOTE: Omit if total flooding system, underfloor
flooding or local application systems are not to be
provided. Locate stations at or near exits from the
protected areas. Provide separate stations for each
hazard.
**************************************************************************
Provide single push-button momentary contact stations for [underfloor]
[and] [total] flooding [and] [local application] system(s). Operation of
any station shall cause carbon dioxide to flow from the storage tank,
through the selector valve associated with the area which the station
protects, and discharge into the protected area for a period of one minute.
SECTION 13962N
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