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    lips1254's Avatar
    lips1254 Posts: 2, Reputation: 1
    New Member
    		  
    #1

    Apr 22, 2009, 06:11 AM
    Air testing
    What is the permissible pressure drop over the test period when air testing sanitary pipework, in mm please
    speedball1's Avatar
    speedball1 Posts: 29,301, Reputation: 1939
    Eternal Plumber
    		  
    #2

    Apr 22, 2009, 06:40 AM
    We test our drainage by filling the stacks with water and letting them set overnight for inspection the next day. For a air test The air pressure must not drop over a ten (10) minute period.. Different areas have different standards. Check with your local Building Department. Good luck, Tom
    Milo Dolezal's Avatar
    Milo Dolezal Posts: 7,192, Reputation: 523
    Plumbing Expert
    		  
    #3

    Apr 22, 2009, 06:51 AM

    Tom said it. We also do gravity water tests on drains/vents and do air tests on gas piping.

    However, for TracPipe or Poly Gas Piping, our Inspectors require these systems to be pressurized at 60psi.
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