Moving Sanitary Sewer Line for house remodel

Discussion in 'Plumbing Code Questions' started by arfeller, May 13, 2020.

  1. arfeller

    arfeller Member

    Joined:
    Aug 25, 2007
    Location:
    Port Angeles, WA
    I cross posted this in the remodel section. Not sure if better in plumbing or remodel forum.

    I am remodeling an older home that is currently on post and pillar construction. I will be pouring a footing around the perimeter to add a foundation. I am also going to square up the house and get rid of all the current jogs in the exterior walls. The main sanitary sewer pipe is fairly shallow (about 12" deep) near the house and gradually dives along the yard shown in red below. The new foundation will need to go exactly over the top of its current location (shown in black below). I would rather not do this and am thinking about relocating it outside the foundation and moving the stack into the exterior wall as shown in green.

    My concern is having a couple bends in the main as I have to jog it over. Will this be a problem? I will be putting in clean outs (does not currently have any and is all cast iron). The main runs about 75 feet from the riser to the alley sanitary system.

    Will my new location be ok? Is there another option I should be looking at?

    Thank you!

    View attachment 62591
     
  2. Terry

    Terry Administrator Staff Member

    Joined:
    Aug 17, 2004
    Occupation:
    Plumber
    Location:
    Bothell, Washington
    If you add the cleanout you should be fine. You want to stay clear of the footing for the foundation wall.
     
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  4. arfeller

    arfeller Member

    Joined:
    Aug 25, 2007
    Location:
    Port Angeles, WA
    Thank you Terry!
     
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