Fire Detection and Alarm System

Fire Detection and Alarm System Points : fire detection and alarm system Smoke indicates presence of fire. Flame and light and heat confirm the presence of fire. Fire must be detected rapidly and the zone of fire must be indicated on fire-control panel at earliest. Fire should be quenched before it grows; Fire is detected by fire detection system comprising fire detectors.

The fire detectors are located in various zones of the plant/substations and are connected to the fire alarm and fire control panel located in the control room and to the Automatic fire fighting system distributed in the plant.

The detection of smoke/fire, sounding of alarm and initiating the Fire Extinguishing Action can he achieved by various methods. Fire Detector System initiates Fire Alarm System. Fire Alarm / Control Panel is installed and Buzzer is sounded on the respective Zone-Window of the panel.

The functions of alarm system are to sound fire alarm, send signals. to fire brigade and indicating zone of fire. The fire alarm is initiated by the fire detectors.

Depending upon the design features and specifications, the functions of fire detection and alarm system include one or more of the following:
To detect smoke, fire and sound alarm, siren, warning indication of fire control panels and warn personnel about occurrence of smoke/fire and its location by sounding alarm/horn.
To initiate operation of automatic fire fighting system in the affected zone.
To initiate operation of Deluge Valves and to admit water through spray system.
To initiate tripping of circuit breakers feeding power to electrical plants in the affected areas, via fire control and relay panel.