Fire Alarms
Vital Safeguards for Buildings
A fire alarm system is an essential component of a building’s overall fire protection strategy, designed to detect and alert occupants to the presence of fire, smoke, or other emergencies. By providing early warning, fire alarm systems play a crucial role in saving lives, minimizing property damage, and ensuring a timely response from emergency services.
Fire alarm systems are customizable to suit the specific needs of different types of buildings, whether residential, commercial, or industrial. Regular testing and maintenance are essential to ensure that all components of the system function correctly and provide reliable protection in the event of an emergency.
Installing a fire alarm system in your building is a proactive step towards ensuring the safety of all occupants and protecting property from the devastating effects of fire.
Fire Alarm Services
NFPA 72 Fire Alarm Inspection & Testing Frequency
NFPA 72, the Standard for the National Fire Alarm and Signaling Code, outlines specific guidelines for how often various components of these systems should be inspected and tested to ensure they are in proper working condition. Below is a breakdown of the recommended inspection and testing frequencies for key components:
Component | Inspection Frequency | Testing Frequency | Notes |
Control Equipment | Semiannually | Annually | Includes fire alarm panels, power supplies, and interfaces. |
Remote Annunciators | Annually | Annually | |
Initiating Devices | |||
Manual Pull Stations | Semiannually | Annually | |
Smoke Detectors | Annually | Annually | Functional testing required. |
Heat Detectors | Annually | Annually | |
Duct Detectors | Annually | Annually | Functional and airflow testing required. |
Flame Detectors | Semiannually | Semiannually | Specialized testing procedures required. |
Beam Detectors | Semiannually | Annually | Includes alignment testing. |
Notification Appliances | Annually | Annually | Includes horns, strobes, and speakers. |
Supervisory Signal Devices | Annually | Annually | Includes valve tamper switches and low air pressure switches. |
Alarm Transmission Equipment | Annually | Annually | Includes DACT, DAEP, and AES equipment. |
Batteries | |||
Lead-Acid | Quarterly | Annually | Voltage and load testing required. |
Ni-Cad, Li-ion, or Other Rechargeable | Semiannually | Annually | |
Primary (Dry Cell) | Annually | Annually | |
Emergency Voice/Alarm Communication Systems | Annually | Annually | |
Emergency Power Supply (Generators) | Weekly | Monthly | Testing with automatic transfer switch required monthly. |
Waterflow Devices | Quarterly | Annually | Functional testing required. |
Supervisory Signal Devices | Semiannually | Annually | For tamper switches, etc. |
Fire Doors | Semiannually | Annually | Includes testing of door holding devices. |
Interface Equipment | Annually | Annually | Devices that control or interface with other systems (e.g., HVAC shutdown). |
Additional Notes:
- Visual Inspections: Visual inspections should be performed regularly, typically on a monthly or quarterly basis, depending on the component.
- Functional Testing: Testing involves activating the component and ensuring it operates as expected.
- Sensitivity Testing: Smoke detectors require sensitivity testing as per manufacturer recommendations or NFPA 72 guidelines, usually every 2 years.
- Record Keeping: All inspections, tests, and maintenance activities should be documented, noting the date, person performing the task, and any deficiencies found.
This chart provides a general overview, but specific requirements may vary depending on local codes, the manufacturer’s instructions, and the particular design of the fire alarm system. Always consult the latest edition of NFPA 72 for the most accurate and detailed information.