SECTION IIOPERATION2-1.GENERAL.2-2.SYSTEM ACTIVATION. The Halon 1301 Fire Extinguishing System in the ROWPU BARGE protects void 4 portand starboard. The system is manually activated from any of three locations.WARNINGAlert and evacuate personnel from fire hazard area immediately on detection of fireand where possible prior to actuation of system.2-3.REMOTE MANUAL. Two remote pull boxes are located in ROWPU space. One is located on a center linesupport post near the ladder to void 4 starboard. The other is located on the starboard side near the personnel door.These remote pull stations are used to activate the Halon system by breaking the glass and pulling the handle. Pullingthe handle operates the cable operated control head on the Halon cylinder.2-4.LOCAL MANUAL. The system can also be activated by operating the local manual release lever of the cableoperated control head.2-5.SEQUENCE OF SYSTEM ACTIVATION. Once the system has activated a series of events is set into motion.Operation of the cable operated control head opens the cylinder valve, discharging Halon into the manifold. Causing thesirens to commence sounding, the pressure operated switch to operate shutting down ventilation and machinery, thedischarge indicator to operate and indicate the system has discharged. When the Halon is discharged into the manifoldHalon flows into the discharge delay after a minimum of twenty seconds the discharge delay opens allowing Halon to flowthrough the 3/8" flex loop to operate the pressure/lever operated control head on the stop valve. This in turn opens thestop valve allowing the Halon to flow from the cylinder through the discharge nozzles into void 4 port and starboard. AllHalon will be discharged in 10 seconds or less after the stop valve opens.
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