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I want to install a new water main. It is replacing lead with HDPE but also entering the building at a new location (near the gas meter). How can I make sure I don't accidentally disturb the gas supply while digging the trench. Also, does anyone have a good link to a reference on this DIY project. I am a competent plumber with metal but I've never worked with plastic, outside or near gas :)

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  • usedonlytosi Sep 08, 2010

    I am in the UK so digalert no use.

    It's not a tough question I think I already know how to do it, I just a pro giving some tips to make sure I'm not off-key.

    You don't need to see the job at hand, I can describe it to you. I am digging a trench across a garden, can't be paying for the detector to detect pipes/cables but they will be armoured so if I find one I'll just go around it. Then I have to go through a path. The path is probably quite shallow and through the path I enter the building near the gas main, at which point I connect the HDPE to a stop tap.

    Thanks for trying to help tho.

  • usedonlytosi Sep 09, 2010

    This was excellent information. Both my electricity supplier and the national gas grid will provide plans for free of where the lines lay on the property and come and flag them for you if you need it (I think the plans will suffice).

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Call your utility company and have them come out and mark all of the pipes with small flags. This is a free service. Check your local code or call the gas company as there is most likely an ordinance setting the distance you must dig from the gas line to set a new water line. Also call the water company and let them know what you are doing as they will have to send someone out to inspect the work and hook up the line before you back fill. J.

Posted on Sep 08, 2010

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Before you dig you need to go to this link. http://www.digalert.org/

Also if you are not sure you are happy with working with the material. I would ask for help. If you ask another plumber they will be more than willing to help you and guide. At least that is the way I am. I relay can not help and no one here can with out seeing the job first hand.

Good Luck

Posted on Sep 07, 2010

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