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// CODE SNIPPET

907.5.2.1.3 Audible Alarm Signal

Los Angeles Building Code > 9 Fire Protection Systems > 907 Fire Alarm and Detection Systems > 907.5 Occupant Notification Systems > 907.5.2 Alarm Notification Appliances > 907.5.2.1 Audible Alarms > 907.5.2.1.3 Audible Alarm Signal
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The audible signal shall be the standard fire alarm evacuation signal, ANSI S3.41 Audible Emergency Evacuation Signal, "three pulse temporal pattern," as described in NFPA 72.

Exception: The use of the existing evacuation signaling scheme shall be permitted where approved by the enforcing agency.

Related Code Sections


907.5.2.1.3 Fire Protection Systems, Audible Alarm Signal
The audible signal shall be the standard fire alarm evacuation signal, ANSI S3.41 Audible Emergency Evacuation Signal, "three pulse temporal pattern ...
Los Angeles Building Code > 9 Fire Protection Systems > 907 Fire Alarm and Detection Systems > 907.5 Occupant Notification Systems > 907.5.2 Alarm Notification Appliances > 907.5.2.1 Audible Alarms > 907.5.2.1.3 Audible Alarm Signal
907.5.2.1.3 Fire Protection Systems, Audible Alarm Signal
The audible signal shall be the standard fire alarm evacuation signal, ANSI S3.41 Audible Emergency Evacuation Signal, "three pulse temporal pattern ...
2017 LA City Fire Code > 9 Fire Protection Systems > 907 Fire Alarm and Detection Systems > 907.5 Occupant Notification Systems > 907.5.2 Alarm Notification Appliances > 907.5.2.1 Audible Alarms > 907.5.2.1.3 Audible Alarm Signal
R335.5.2.1 Building Planning, Audible Alarm Signal
The audible signal shall be the standard fire alarm evacuation signal, ANSI S3.41 Audible Emergency Evacuation Signal, "three pulse temporal pattern ...
Los Angeles Residential Code > 3 Building Planning > R335 Special Provisions for Licensed 24-Hour Care Facilities in a Group R-3.1 > R335.5 Fire Protection System Provisions > R335.5.2 Smoke Alarms in Groups R-3.1 Occupancies > R335.5.2.1 Audible Alarm Signal
421.5.1 Special Detailed Requirements Based on Occupancy and Use, System Activation
Activation of a gas detection alarm shall result in both of the following: Initiation of distinct audible and visible alarm signals both inside ...
Los Angeles Building Code > 4 Special Detailed Requirements Based on Occupancy and Use > 421 Hydrogen Fuel Gas Rooms > 421.5 Gas Detection System > 421.5.1 System Activation
421.6.1 Special Detailed Requirements Based on Use and Occupancy, System Activation
Activation of the gas detection alarm shall result in both of the following: Initiation of distinct audible and visible alarm signals both ...
Los Angeles Building Code > 4 Special Detailed Requirements Based on Use and Occupancy > 421 Hydrogen Fuel Gas Rooms > 421.6 Gas Detection System > 421.6.1 System Activation
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