As hospitals upgrade their existing life safety systems to include newer technology, designers of record may not be sure of where notification devices should be placed, given the need for quiet areas in a hospital. Since this is a non-evacuation occupancy, private mode signaling can be used for fire alarm announcements, as allowed by NFPA [Read More]
Do single station smoke alarms have low frequency sounders?
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NFPA 72 now requires a 520 hz square wave fire alarm signal in smoke detector sounder bases provided for publicly available sleeping areas. The 520 hz tone has been shown as more effective in waking people of a certain age (ahem), deep sleepers or those that may have had a few too many the night [Read More]
What is Fire Alarm Audibility?
The biggest obstacle to getting occupancy of a completed construction project is getting approval from the fire department. Of all the items checked by the fire department inspector, the biggest concern and hardest to rectify if not compliant is the level of occupant notification in event of a fire alarm activation. If occupants can’t hear [Read More]
Can I Use Fire Alarm Speakers For General Paging?
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The trend in providing today’s building services such as fire alarm and overhead paging is to install them on a common system. Not only does it simplify interaction with these systems since the end user uses one control unit, but it saves money by not having to install and maintain two separate voice systems. Whether or not you [Read More]
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