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View Diary: Saturday Morning Home Repair blogging 2.11 (207 comments)

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  •  That is mystifying (3+ / 0-)
    Recommended by:
    rincewind, mint julep, kimoconnor

    How long do you get water before it stops working? How long do you have to let it dry out before it will work again? Is there any significant change of elevation involved or is it basically flat? Do all the outlets stop working at the same time?

    Almost sounds like there's something in the pipe that swells like a sponge when it gets wet. I suspect you will have to deduce as well as you can where the problem is and dig it up before you will find out what it is.

    Thirsty moles hear the water running and crowd around to drink it all up? Or sediment that gets washed into/clogs the delivery gizmos and falls away when dry?

    Can you detach the gizmos and flush out the system?

    •  answers (4+ / 0-)

      the water only runs for a few seconds before petering out

      You can turn it on and off and on again quickly, same thing happens

      NO change in elevation

      all stop working (slow to a dribble) at same time

      no moles

      I think you are right, digging it up is the only option.

      One big point, when they installed this, they fed the main line under the stairs, concrete stairs. I wonder if over time the building settled (or moved due to earthquakes over the years) and is putting pressure on the tube?

      The thing is, the part before the stairs does the same thing! I would think if the other half was getting blocked, the first part would still work.

      Ach, I should just stick to jobs where all they want is garden design and installation. LOL

      01-20-09: THE END OF AN ERROR

      by kimoconnor on Sat Oct 27, 2007 at 09:33:12 AM PDT

      [ Parent ]

      •  I have a vague memory (4+ / 0-)

        of a tangled garden hose lying on the ground with a (half) fold in it. When I turned the water on, the hose swelled and tried to straighten out, which made the fold worse and cut off (most of) the water. It's hard to imagine a buried pipe (even if flexible) doing the same thing, but anything's possible.

        At least it sounds like you know the problem's between the faucet and the first outlet before the stairs. That can't be too much to dig up, I hope.

        Good luck! Make them pay you extra!

      •  how long is the run? (4+ / 0-)
        Recommended by:
        rincewind, Spud1, kimoconnor, Leo in NJ

        400' is the max per line at least in standard flex drip line. Also how many emmitters? Has the pressure reducer gone bad? need pretty close to 25psi at the start of the run, I can't remember the pressure drop formula but a local irrigation supply should have it,  what is line pressure at the end of the run?

        Also make sure the valve is actually opening completely. I am guessing this is an automatic system I have seen the electric valves go bad and only barely open.

        "every saint has a past, every sinner has a future" Oscar Wilde

        by buddabelly on Sat Oct 27, 2007 at 09:42:28 AM PDT

        [ Parent ]

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