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Removing a head from the end of a lateral

Discussion in 'Irrigation' started by mooch91, Jun 27, 2006.

  1. mooch91

    mooch91 LawnSite Member
    Posts: 103

    I need to remove a head from the end of a lateral line (poly). How do I do so without creating a dead-leg in the piping that won't get blown out during winterization?
  2. Wet_Boots

    Wet_Boots LawnSite Fanatic
    Posts: 47,673

    You don't. But you might be surprised how well a plugged poly line can endure. If in doubt, dig up the entire surplus line.
  3. DanaMac

    DanaMac LawnSite Fanatic
    Posts: 13,156

    Install an auto drain (King Drain)
  4. Dirty Water

    Dirty Water LawnSite Fanatic
    Posts: 6,799

    Remove head, go to next head in line, dig down, cut, cap.

    Leave the 20 or so feet of poly in the ground abandonded.

    Has anyone found a working auto drain thats older than 5 years?
  5. DanaMac

    DanaMac LawnSite Fanatic
    Posts: 13,156

    Yes I have. There are many systems here with them installed. They do occasionally fail, but so do the heads, valves, controllers and everything else. I used to hate them, and to some extent still do. But they do have their purpose and place. When ever I re-build a manifold because it froze and cracked, I install an auto drain because I don't want to dig up the box and do it again because they forgot about the mani drain.

    King now makes one for both lateral and mains - instead of carrying the opaque one for laterals and the red for mains.
  6. Hank Reardon

    Hank Reardon LawnSite Senior Member
    Posts: 599

    Not only do they fail regularly, they waste water. We install a quick couple on every project.

  7. PurpHaze

    PurpHaze LawnSite Fanatic
    Posts: 5,496

    This is assuming that the lateral line is sequential with the heads and not spurred off. Depending on how the laterals are piped you may be cutting off more heads. :)
  8. PurpHaze

    PurpHaze LawnSite Fanatic
    Posts: 5,496

    My bad Jon. I reread the question and it relates to poly. You plow boys always run in a stratight line. :p

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