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Thread: Need help with drainage in back yard

  1. #1
    DIY Junior Member Michael Rudd's Avatar
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    Default Need help with drainage in back yard

    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. #2
    irrigation tech. mike1059's Avatar
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    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.

  3. #3
    DIY Junior Member MikeRudd's Avatar
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    The lower point in the existing line is not accessible due to a concrete floor. What exactly is a dry well?

  4. #4
    irrigation tech. mike1059's Avatar
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    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.

  5. #5
    DIY Senior Member Smooky's Avatar
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    Have you thought about pump drainage?

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