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Behaviour of Percolation Area during drought

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  • 09-06-2020 9:27am
    #1
    Manuel
    Registered Users Posts: 425 ✭✭


    Hi,
    I'd be interested to get some opinions on why my percolation area is behaving like this. Please see photo.

    Middle trench: overgrowth of grass above
    Right-hand trench: starvation of grass above
    Left-hand trench: reasonable growth above, overgrowth either side.

    Just curious to know what's going on ....

    Thanks!
    /M.


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    #2
    GinSoaked
    Closed Accounts Posts: 1,049 ✭✭✭GinSoaked


    Its just highlighting (greengrassing?) where your leach lines are and the fall on them.

    The fact that the outer areas are dry (not green) seems to indicate that the area was dug out and gravel in as a base then used to cover the pipes with not a lot of soil put back on top.

    The greenest areas will either be low points in the lines (pipes) or the sections nearest the input where the most water comes out.

    I'm guessing you have 4 main leach line pipes connected to a distributor bar (a pipe with T pieces) and the the two middle pipes take most of the flow because they are nearest to the inlet.


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    #3
    Manuel
    Registered Users Posts: 425 ✭✭Manuel


    Thanks.

    It's 3 pipes/trenches branching out in a 'T' from the distribution box which you can just about make out in the middle of the picture.

    I guess the conclusion is that the fall is no longer uniform between the three lines/pipes - if it ever was.

    I suppose it makes sense that the middle pipe takes most of the flow.

    Anyway, as long as the water doesn't start coming back up and lifting the lid off the distrbution box, I guess I can live with it.


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