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Thread: Black Iron & Copper Together

  1. #1

    Default Black Iron & Copper Together

    Is it permissable to run black iron for natural gas and copper for water in the same trench? How deep? Are there any restrictions? Thanks, Doc

  2. #2
    Plumber Cass's Avatar
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    It will depend on the jurisdiction you live in. Where I live all utilities must be 10' apart. I have done waste line replacements on very old homes where the water line was 1" under the waste line all the way from the street to the house.

  3. #3
    Forum Admin, Expert Plumber Terry's Avatar
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    I don't think so.
    The gas line needs to be a coated line if it's to be buried too.
    I've never seen them run in the same ditch.

  4. #4
    Plumber bigrebnc1861's Avatar
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    Nov 2005
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    Kannapolis N.C.
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    Here in North Carolina each utilties must have it's own ditch, with at least a foot spread.

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