Fire

Fire

Fire 100
Chapter 7 Summary

In the chapter it talks about fire detection, alarm, and suppression system. Some jurisdictions are required to have these systems per codes. Each of the systems is designed for a specific needs. Some are to notify occupants of a facility to take necessary evasive to escape the dangers of a hostile fire. Another is to summon organized assistance to initiate or to assist in fire control activities. Despite advance in other forms of fixed suppression system, automatic sprinklers systems remain the most reliable form of fire suppression for commercial, industrial, institutional, residential, and other occupancies. In fact studies have shown that 70-90 present of all fires in sprinklered building are controlled by the activations of five or fewer sprinklers. The most basic fire alarm system is designed to only be initiated manually by pulling a handle. Another alarm is the heat detector, which initiate alarms when the ambient temperature near the detector reaches a predetermined level. There are couple types of smoke detector that they use in large multifamily residential occupancies. The smoke detector is an alarm-initiating device designed to actuate when visible or invisible products of combustion are present in the room or space where the unit is installed. A smoke alarm is a device designed to sound an alarm when the products of combustion are present in the room where the device is installed. The alarm is built into the device rather than being separate system. The photoelectric smoke detector are the type of smoke detector that uses a small light source, either an incandescent bulb or light-emitting diode to detect smoke by shining light through the detector’s chamber. Smoke particles reflect the light into a light sensitive device called a photocell. Another type of alarm is the lionization smoke alarm is the type of smoke detector that uses a small amount of radioactive material to ionize air particles than combine with...

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