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Do-It-Yourself (DIY) Question & Answer Forum
Fire protection in communal stairwells
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<blockquote data-quote="Phoenix" data-source="post: 503060" data-attributes="member: 8133"><p>The problem with smoke detection linked across flat is you are likely to end up with a lot of false alarms, and from false alarms you get people ignoring alarms. One way round it thats often done, if the issues with 'managing' the fire panel can be addressed is a communial system with smoke detection in the exit routes and a heat in the hallway of each flat, then each flat has idividual systems or one or more mains powered smokes, you only get an alarm if there is a problem on the escape route, or theres a pretty major problem in one of the flats (not burnt toast). You really do need to know the fire design of the building before you can design a system, the LGA document IIRC is specifically buildings designed as "Stay in place" with proper compartmentisation, and where a mass evacuation could jam up the stairwells etc, but was certain events show, some of these buildings werent as effectivly compartmentised as was thought!</p></blockquote><p></p>
[QUOTE="Phoenix, post: 503060, member: 8133"] The problem with smoke detection linked across flat is you are likely to end up with a lot of false alarms, and from false alarms you get people ignoring alarms. One way round it thats often done, if the issues with 'managing' the fire panel can be addressed is a communial system with smoke detection in the exit routes and a heat in the hallway of each flat, then each flat has idividual systems or one or more mains powered smokes, you only get an alarm if there is a problem on the escape route, or theres a pretty major problem in one of the flats (not burnt toast). You really do need to know the fire design of the building before you can design a system, the LGA document IIRC is specifically buildings designed as "Stay in place" with proper compartmentisation, and where a mass evacuation could jam up the stairwells etc, but was certain events show, some of these buildings werent as effectivly compartmentised as was thought! [/QUOTE]
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Fire protection in communal stairwells
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