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    phreshout's Avatar
    phreshout Posts: 18, Reputation: 2
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    #1

    Mar 2, 2009, 04:16 PM
    Locating underground sprinkler tubing
    I need to dig a trench about 20" deep across my yard, which has underground sprinkler system, installed 3 yr ago. Sod was then laid. Is there a way to determine where the interconnecting water supply goes from head to head? I hate to dig away & then have to go back & repair several lines. All other utility lines are located & marked. Rob in Wichita, KS
    Stratmando's Avatar
    Stratmando Posts: 11,188, Reputation: 508
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    #2

    Mar 2, 2009, 04:42 PM

    I have a wire locator by Progressive Electronics I would use, or any others.
    If I am following an empty water or electric pipe, I push a fish tape through, attach signal and follow the Null.
    Sprinklers and the tubing and 90's may be impossible, unless you maybe pushed a very small wire with a head attached, pushed by water pressure.
    Stratmando's Avatar
    Stratmando Posts: 11,188, Reputation: 508
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    #3

    Mar 4, 2009, 12:05 PM

    I was thinking you may be able to use water pressure to push a small wire from start to a sprinkler head. Maybe cap all heads off and with water pressure push water, or use a vacuum? 90's make it tough.
    I have heard of a locator that works on empty pipes, will see if I can locate.
    Stratmando's Avatar
    Stratmando Posts: 11,188, Reputation: 508
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    #4

    Mar 4, 2009, 06:10 PM

    Try this page, toward the bottom for the
    "Thumper" and the "Knocker".:
    PVC plasitc pipe locators
    Ground Penetrating Radar is also shown, may not be an option, Are you a Lottery winner?
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