Need help with drainage in back yard

Discussion in 'Irrigation / Sprinkler Forum' started by Michael Rudd, Jun 21, 2011.

  1. Michael Rudd

    Michael Rudd New Member

    Joined:
    Jun 21, 2011
    Location:
    Virginia
    I wrapped concrete around the back of my house for decorative and drainage purposes, but on one side I cant figure out how to complete the drain. The pre-existing drain is higher than I can make the new drain to allow proper drainage when I tie into the existing drain. It would cost way too much time and money to completely redo the entire thing, so is there any ideas on how I can get the slope needed in the new line to allow it to drain into the old line? I could pour an extreme amount of concrete to get the height, but that would cause a lot of new problems. Thanks for your time.
     
  2. mike1059

    mike1059 irrigation tech.

    Joined:
    Jun 6, 2011
    Occupation:
    irrigation tech. for a landscape company
    Location:
    Portland, OR
    First, do you know where the old line drains to and can you run the new line to a lower point on the old line. The other option is a dry well if you have a spot to put it.
     
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  4. MikeRudd

    MikeRudd New Member

    Joined:
    Jun 21, 2011
    Location:
    Virginia
    The lower point in the existing line is not accessible due to a concrete floor. What exactly is a dry well?
     
  5. mike1059

    mike1059 irrigation tech.

    Joined:
    Jun 6, 2011
    Occupation:
    irrigation tech. for a landscape company
    Location:
    Portland, OR
    A dry well is basicly a hole a couple of feet around and up to six feet deep and filled with drain rock to help disperse the water. The depth depends on how much water and how fast a dispersal you are looking for. The drain rock can also be coverd by filter paper topped by bark or 6" to 8" of soil and sod.
     
  6. Smooky

    Smooky Well-Known Member

    Joined:
    Apr 4, 2011
    Location:
    North Carolina
    Have you thought about pump drainage?
     
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