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    wbenton's Avatar
    wbenton Posts: 1, Reputation: 1
    New Member
     
    #1

    Feb 21, 2012, 01:43 AM
    Soil Pipe Installation?
    What fall should I have on a 3mt run of soil stack
    massplumber2008's Avatar
    massplumber2008 Posts: 12,832, Reputation: 1212
    Senior Plumbing Expert
     
    #2

    Feb 21, 2012, 06:25 AM
    Hi Wbenton

    Most plumbing codes want 1/4 inch pitch per foot of 3 inch or smaller pipe and 1/8 inch pitch per foot of 4 inch or larger pipe... ;)

    With that being said, if your pipe is 3 inch or smaller and you want to run 3 METERS (or approx. 9 feet) of pipe you would pitch the pipe 2.5 inches total.

    If your pipe is 4inch or larger you would pitch the pipe 1-1/8 inches.

    Mark

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