Black Iron & Copper Together

Discussion in 'Plumbing Forum, Professional & DIY Advice' started by, Nov 24, 2005.

  1. New Member

    Nov 24, 2005
    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. Cass

    Cass Plumber

    Nov 12, 2005
    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.
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  4. Terry

    Terry Administrator Staff Member

    Aug 17, 2004
    Bothell, Washington
    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.
  5. bigrebnc1861

    bigrebnc1861 Plumber

    Nov 19, 2005
    Kannapolis N.C.
    Here in North Carolina each utilties must have it's own ditch, with at least a foot spread.
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