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A fire alarm system is a building system designed to detect, alert occupants, and alert emergency forces of the presence of fire, smoke, carbon monoxide, or other fire-related emergencies. Fire alarm systems are required in most commercial buildings. They may include smoke detectors, heat detectors, and manual fire alarm activation devices ...
Mar 3, 2021 · A visual guide and discussion on the major components of a fire alarm system.
Jun 21, 2022 · NFPA 101®, the Life Safety Code®, and other codes determine whether a fire alarm system is required for any building; So NFPA 101 provides general guidance on which buildings must have fire alarm systems, and NFPA 72 provides guidance on how to execute those requirements. Occupancies
Jul 29, 2024 · If a Class A building is over three stories or 30,000 square feet, it needs fire alarms. Existing business buildings need alarms if they are three stories, have 100+ people above the main exit, or 1,000+ occupants. Fire alarms must include at least one manual pull station. All fire alarms must be monitored when systems are replaced, updated, or ...
- Fire Alarm Control Panel. The fire alarm control panel, commonly abbreviated as FACU, is the system’s “brain.” It receives messages from the initiating devices, also known as inputs, and performs the following functions.
- Initiation Devices. Initiation devices initiate alarms, and, just like alarm panels, they can be either addressable or non-addressable. Some initiation devices, like water flow switches, are traditionally non-addressable, but connect with addressable modules.
- Pull Stations. A pull station is probably the fire alarm system component you’re most familiar with. It’s a manually operated device that initiates an alarm signal when someone pulls its handle.
- Smoke Detectors. A smoke detector is a device that initiates an alarm signal when it senses smoke. There are two classifications of these devices, depending on the type of sensor they use to detect smoke particles.
May 21, 2021 · The fire alarm control unit provides the signal to the notification appliances via a notification appliance circuit (NAC). When a fire alarm system is installed within a building, the requirements for the type of notification (audible, visible, and voice) is driven by the building code, fire code, or life safety code that is adopted in that ...
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Mar 23, 2022 · The Ontario Building Code determines whether or not a facility needs a fire alarm system. Buildings with a contained use area, impeded egress zones, or more than three storeys need a fire alarm system; any building with a total occupant load greater than 300 people will also need a fire alarm system.
