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Koorsen Fire & Security explains the four key functions of a fire alarm system: “In the simplest terms, the role of a fire alarm system is to detect fires and alert both building occupants and emergency personnel from a centrally monitored and controlled location. These systems also self-monitor, identifying where within the building (s ...
- Fire Detection
- Occupant Notification
- Control Functions
- Fire Department Notification
Most of us are familiar with smoke and heat detectors because these devices are installed in our homes. Detecting a fire is typically accomplished by installing smoke and/or heat detectors, manual pull stations and automatic sprinkler system water flow switches. Another important component of a fire alarm system is a water flow switch that detects ...
When it comes to warning building occupants of a fire, you need both audible and visible alarms. Audible alarms include horns (the appliance that produces that loud and very annoying sound) or speakers that play a pre-recorded message and/or allow emergency responders to provide spoken instructions to the occupants. Visual notification appliances, ...
There are many different types of control functions that the components of a basic fire alarm system perform. The activation of a duct mounted smoke detector will shut down the heating ventilation and air conditioning (HVAC) equipment to prevent the migration of smoke to non-affected areas of the building. A smoke detector in an elevator lobby will...
The codes require that fire alarm signals be automatically transmitted directly to the local fire department, or to a central station monitoring service, notifying the fire department of the emergency. This gives the fire department a signal immediately and allows them the opportunity to extinguish the fire before it gets too big. Overall, the fire...
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- Detect Fire. A fire alarm system is made specifically for detecting fire through smoke and heat. Typically, it can be activated via a manual pull for cases when a fire is detected before its smoke or heat reaches the system’s sensors.
- Alert Occupants of Fire. Once the fire alarm system identifies the smoke and heat signatures common to fires or water movement, it will immediately notify the occupants of a building through visible and audible alarms.
- Mitigate Risks. The fire alarm system works in another way to protect occupants: by deploying control measures in response to potential risks. Once activated, the system performs a series of tasks that mitigate the spread of the fire and smoke and protect the building’s occupants, such as automatically closing doors in different sectors, turning off ventilation systems, or redirecting elevators to designated levels.
- Notify Relevant Authorities. The last purpose of the fire alarm system is to notify the relevant authorities, especially the fire department, about a fire outbreak.
6.3.1.4.(2) Sentence 6.3.1.4.(2) is intended to ensure that a voice communication system that is not tested as part of an associated fire alarm system, but that will be relied upon during a fire emergency, will be tested periodically. 6.4.1.1.(1) Water-based fire protection systems include sprinkler systems, standpipes, private hydrants, hose ...
B44-07 APPLICABLE CLAUSES. Section 2.27.3.1 is entitled “Phase I Emergency Recall Operation”. The first mention of any relationship to a fire detection device occurs in 2.27.3.1.4: “Only the ‘FIRE RECALL’ switch (es) or fire alarm initiation device located at floors that are served by the elevator, or in the hoistway, or in an ...
Voice communication systems that are integrated with a required fire alarm system shall be tested in conformance with Article 6.3.1.2. Voice communication or public address systems that are part of the building evacuation plan and are not electrically supervised shall be tested at intervals not greater than one month in conformance with ...
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SECTION 28 31 00 FIRE ALARM SYSTEMS PART 1 - GENERAL 1.1 SUMMARY. .1 Provide materials and installation for fire alarm systems. .2 Provide control panel to carry out fire alarm and protection functions including receiving alarm signals, initiating general and two-stage alarm, supervising system continuously, actuating zone annunciators, and ...
