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    nshenawy's Avatar
    nshenawy Posts: 1, Reputation: 1
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    #1

    Apr 11, 2010, 01:12 AM
    What is the recommended location of staircase pressurization discharge air grilles
    We have a staircase pressurization system in order to provide a smoke-free scape route in the event of the building fire and we want to know the recommended location (elevation) of the pressurized air discharge grilles (either at ground(low)level or at ceilling (high) level within the stairwell at each floor.Pressurization duct is installed inside massonary shaft and has discharge outlet at every floor of the building.
    Kindly advise

    Best Regards
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #2

    Apr 11, 2010, 04:46 AM
    You better be contacting the building envelope engineer for the exact location of those grills since those grills are part of the life safety package required by the code and also the AHJ (Authority Having Jurisdiction).
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