DWV question

Discussion in 'Plumbing Forum, Professional & DIY Advice' started by Matt1988, Jun 3, 2017.

  1. Matt1988

    Matt1988 Member

    Joined:
    May 21, 2017
    Location:
    Bluff City, TN
    just trying to find out if I can take a water closet drain that's running horizontal and 90 down vertically then take another 90 and run it back horizontally in a different direction? If my diagram is wrong would it be right if there were a clean out at the second 90? Or is this just asking for trouble and I should run it straight into the soil stack? By running it like in the drawing i will only have to build soffits in one room. If I have to run it straight to the stack I will have a soffit in a bedroom and possibly a drop ceiling in the hallway to hide it. Thanks in advance
     

    Attached Files:

  2. Matt1988

    Matt1988 Member

    Joined:
    May 21, 2017
    Location:
    Bluff City, TN
    If there's any other issues here please let me know and if so any suggestions on how to do it correctly would be appreciated.
     
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  4. Reach4

    Reach4 Well-Known Member

    Joined:
    Sep 25, 2013
    Location:
    IL
    Ninety degree transition from vertical to horizontal must be a long sweep. Even better is to use 45s if that is easy enough. With 2 90s, you may need to add a cleanout.
     

    Attached Files:

  5. Matt1988

    Matt1988 Member

    Joined:
    May 21, 2017
    Location:
    Bluff City, TN
    Ok. will do,thanks.
     
  6. MACODEDOC

    MACODEDOC New Member

    Joined:
    May 28, 2017
    Location:
    Massachusetts
    I AGREE LONG SWEEP OR 45'S IF YOU CAN THE LEAST AMOUNT OF TURNS AND ANGLES THE BETTER AND LESS CHANCE OF A CLOG
     
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