Fire Alarm Requirements for Group H Occupancy

Group H: (Hazardous)

Systems required to be monitored per the 2021 IFC section 907.6.6.

A manual fire alarm system (Manual fire alarm boxes) that activates the occupant notification system (horns, strobes, sounders, speakers, chimes, mass notification, etc.) shall be installed in occupancies with a classification of H-5 or areas used to manufacture organic coatings.

An automatic smoke detection system shall be installed in areas with highly toxic gases, organic peroxides and oxidizers.

UL 268 Automatic Smoke Detection Requirements:

System smoke detectors shall be provided for all of the following applications:

Above control panels and power supplies
For the purpose of elevator capture
On all HVAC units over 2,000 CFM (Duct Detector)
For releasing service
Fire Smoke Dampers
Delayed egress locks

Fire Alarm Notification Requirements:

Using a sound pressure meter or dB Meter, verify you comply with the following:

Public Mode Audibility: You must have 15 dB above average ambient sound level or 5 dB above the maximum sound level for at least 60 seconds whichever is greater.

Private Mode Audibility: You must have 10 dB above average ambient sound level or 5 dB above the maximum sound level for at least 60 seconds whichever is greater. 

Group A Fire Alarm Requirements
Group B Fire Alarm Requirements
Group E Fire Alarm Requirements
Group F Fire Alarm Requirements
Group H Fire Alarm Requirements
Group I-1 Fire Alarm Requirements
Group I-2 Fire Alarm Requirements
Group I-2.1 Fire Alarm Requirements
Group I-3 Fire Alarm Requirements
Group I-4 Fire Alarm Requirements
Group Licensed R-2.1 Fire Alarm Requirements
Group M Fire Alarm Requirements
Group R-1 Fire Alarm Requirements
Group R-2 and R-2.1 Fire Alarm Requirements
Group R-4 Fire Alarm Requirements