What Does the Circulatory System Work With
How Does a Fire Alarm System Work?
The crux of a fire alarm system is detecting fire and warning people when danger exists. When you need to install a fire alarm system, you have several options for choosing a system that will fit your needs.
What Is a Fire Alarm System?
The faster a fire is discovered, the more time people have to evacuate a building and the faster emergency response teams can arrive to fight the fire. Accordingly, fire alarm systems are designed with various features that can include detecting fires, warning occupants and alerting emergency responders. Optimally, detectors and alarm systems work together. Some systems also have suppression systems that help control fires before emergency responders arrive.
Fire Alarm System Design
The most basic fire alarm system can be designed to be manually activated in the event of a fire. Pull stations would be installed at various spots in a building. When someone pulls the alarm, it causes alarms to sound and flashing lights to go off. The alarm also calls the local fire station via automatic communication.
Other types of alarm systems include detection capabilities, not relying on someone to discover the fire and pull an alarm. Heat detectors are one option, but detection can be slow with this feature. Air-aspirating smoke detection systems are the fastest means of detection, but these system are also expensive.
Another feature of some fire alarm systems is a panel that identifies which component in the system was activated, so it's easy to pinpoint the origin of the fire.
If an alarm system also includes a suppression system, automatic sprinklers might deploy to help control a fire and prevent it from spreading.
Choosing a System
The system you choose depends on the building, operations and risk assessment. If human life is a crucial factor in the building, early detection and warning will be important. So, hotels, college dormitories and hospitals are examples of buildings that need fast notification of a fire. A storage warehouse may not need the same fast notification of a fire.
Consider maintenance requirements of the system you install too. Manual pull stations don't require the same maintenance and inspections as more advanced detection and suppression systems.
Fire Alarm System Parts
Spot heat detectors have sensors that activate if the temperature rises quickly. Gradual heat rises won't cause the alarm to sound with these sensors.
Some smoke detectors work with a detection chamber inside the detector. If lights moving inside this chamber hit smoke, reflections happen that set off the detector.
Ionization smoke detectors work by sensing particles in smoke inside the chamber of the detector.
Air sampling detection systems involve tubing with small holes, capable of detecting combustion.
Using a Fire Alarm Service
Some businesses opt to engage a private fire alarm service for protection. These services include analysis of fire alarm needs, installation of the recommended system, maintenance of the system and ongoing inspections. This type of service is ideal for healthcare facilities, schools, commercial business and industrial spaces.
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