Tee into sewer cleanout riser?

Discussion in 'Plumbing Forum, Professional & DIY Advice' started by davidc, Jul 24, 2005.

  1. davidc

    davidc New Member

    Jul 22, 2005

    I hope someone can help answer my question, thanks in advance. My question is whether is is ok to tee into a sewer cleanout to add a new sewer drain line.

    We are installing a backyard BBQ sink, and the best place for me to connect my new 4" ABS line to the existing sewer is at the cleanout next to the sidewalk in the front yard. This is the only accessible point of the sewer without cutting into my concrete driveway.

    My sewer main at this point is approx 5 feet under current ground level. But, since my yard has a good slope from back to front, I only need to be at 18 inches below ground at this point in my new sewer grade.

    I will check with my city building dept, but for now, is there any reason that prevents me from teeing into the vertical cleanout pipe at the level that works best for me? I don't want to excavate down 5 feet if I don't have to.


  2. hj

    hj Moderator & Master Plumber Staff Member

    Aug 31, 2004
    Cave Creek, Arizona

    The two things that might prevent it would be if the city does not allow it, or if the cleanout is a "two way" cleanout without a definite sweep in the downstream direction.
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  4. plumguy

    plumguy New Member

    Jul 15, 2005
    It is not legal here regardless of type of cleanout (end,dandy). But, maybe you'll get the answer you're looking for at city hall.
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