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

    Sep 3, 2008, 11:43 AM
    Sewer Line
    What is the required fall for a residential sewer line?
    ballengerb1's Avatar
    ballengerb1 Posts: 27,378, Reputation: 2280
    Home Repair & Remodeling Expert
    		  
    #2

    Sep 3, 2008, 12:28 PM
    1/4" per foot. I will have this post moved to the plumbing department to get more readers.
    massplumber2008's Avatar
    massplumber2008 Posts: 12,832, Reputation: 1212
    Senior Plumbing Expert
    		  
    #3

    Sep 3, 2008, 01:33 PM
    Hi Rangie:

    1/4" per foot for pipe 3 inch and smaller.

    1/8" per foot for pipes 4" and larger.

    Let us know if need more.

    MARK
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