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  1. zaayro

    BS 1451-1 Area of application for B S-20 pipes

    Hi Friends We have Polypropylene pipe series S-20 B installed the pipe under the following conditions : ·Underground installation below the building slab and not outside the building. ·Depth from 400 mm to 1200 mm below the building ·The building slab is supported by plinth beams from around...
  2. zaayro

    Fire Hose Reel Connection Methodology

    Hi Travis, yes I am taking of the same. but my question was: [ol 1] Now the question is can I connect the Hose reels after the zone control valves or I must take the tapping before the zone control valve? In case when the hose reel is used then also the normal alarm will ring. is this...
  3. zaayro

    Fire Hose Reel Connection Methodology

    Hi Friends, I am having a doubt in the connection methodology for 25mm Fire Hose Reels. As per NFPA 13 1" hose Reels are allowed to be connected from adjacent Sprinkler system (reference from NFPA 13 2007 clause 8.17.5 ) that means it doesn't have to obey the Standard rule of NFPA 14 and not...
  4. zaayro

    Maximum width of open area around the sprinkler

    I have a particular problem where the pendent sprinkler is in an area where the false ceiling is open 250 mm on both the sides of the sprinkler. there is a upright sprinkler above the false ceiling also .I would like to know if the opening around the sprinkler will delay its activation? if so is...

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