Fire Detection and Alarm System (FDAS)
NFPA 72-FIRE ALARM AND SIGNALLING CODE
NFPA 72 provides the latest safety provisions to meet society’s changing fire detection, signalling, and emergency communications demands. In addition to the core focus on fire alarm systems, the Code includes requirements for mass notification systems used for weather emergencies; terrorist events; biological, chemical, and nuclear emergencies; and other threats. The purpose of fire alarm and signalling systems shall be primarily to provide notification of alarm, supervisory, and trouble conditions; to alert the occupants; to summon aid; and control emergency control functions.
All systems shall be installed in accordance with the specifications and standards approved by the authority having jurisdiction. System components shall be installed, tested, inspected, and maintained.
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An automatic fire alarm system is designed to detect the unwanted presence of fire by monitoring environmental changes associated with combustion. In general, a fire alarm system is classified as either automatically actuated, manually actuated, or both. Automatic fire alarm systems are intended to notify the building occupants to evacuate in the event of a fire or other emergency, report the event to an off-premises location in order to summon emergency services, and to prepare the structure and associated systems to control the spread of fire and smoke.
|Manual Call Point
||Manual alarm call points are designed for the purpose of raising an alarm manually once verification of a fire or emergency condition exists, by operating the push button or break glass the alarm signal can be raised. Manual call point is used to initiate an alarm signal. It can be manual alarm system or part of automatic alarm system.|
||Addressable sounder strobe is a kind of audible/visual alarm device installed in the protected area, which can be activated by the FACP at the fire control center or by manual call points|
|Alarm Control Panels
||Alarm Control Panels is the controlling component of a Fire Alarm System. The panel receives information from environmental sensors designed to detect changes associated with fire, monitors their operational integrity and provides for automatic control of equipment, and transmission of information necessary to prepare the facility for fire based on a predetermined sequence. The panel may also supply electrical energy to operate any associated sensor, control, transmitter, or relay. There are four basic types of panels: coded panels, conventional panels, addressable panels, and multiplex systems.|
|Smoke Detector||Also called a smoke alarm is a device that detects smoke, typically as an indicator of fire.|
|Heat Detector||Heat Detector is a fire alarm device designed to respond when the connected thermal energy of a fire increases the temperature of a heat sensitive element.|