could use some direction on this one.

Discussion in 'Irrigation' started by Element Property Mgmt, Apr 10, 2014.

  1. Element Property Mgmt

    Element Property Mgmt LawnSite Member
    Posts: 81

    So heres what im looking at.
    There is a major downhill flowage into a potential customers yard.
    currently there is a 12" catch basin with 4" connectors at the top edge of his property and im assuming a french drain underneath all of the river rock.
    he tells me the water runs right past the catch basin and it pretty much does not work, and he also tells me he would like to remove all of the river rock to regain a bit of his yard.

    so the water is too much/running right past a 12" basin and or the whole drain system is clogged up.

    i have personally done some drainage work but not much with french drains, not that i cant but i have some questions about where to go from here.
    i have been told that if you try to do a french drain underneath grass, it will dry out the grass too much. what is the truth to this is it going to kill the seed/sod or is there a trick to it?

    if i end up not going the french drain route i thought about adding an extra basin and setting up both basins with an extra drain outside the backside of the hill.

    or maybe a combination of both... what would you guys do?

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  2. Element Property Mgmt

    Element Property Mgmt LawnSite Member
    Posts: 81

    this is my idea to fix it without the french drain.

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  3. Mike Leary

    Mike Leary LawnSite Fanatic
    Posts: 22,076

    I've dealt with a few of these. The question is, where is the water coming from? Sub-surface, gutters or surface?
     
  4. 1idejim

    1idejim LawnSite Fanatic
    Posts: 9,674

    I would consult a civil engineer.
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  5. Mike Leary

    Mike Leary LawnSite Fanatic
    Posts: 22,076

     
  6. 1idejim

    1idejim LawnSite Fanatic
    Posts: 9,674

     
  7. Mike Leary

    Mike Leary LawnSite Fanatic
    Posts: 22,076

     
  8. dieselfuel

    dieselfuel LawnSite Member
    Posts: 114

    How much water is there? I just met with a potential client tonight and recommended some drainage but also a rain garden. I don't want to consult with a civil engineer and there are a lot of utilities on this property so I may pass on it, but it's a great spot to put in a rain garden.
     
  9. 1idejim

    1idejim LawnSite Fanatic
    Posts: 9,674

    Why wouldn't you want to consult with a civil? Most will meet for a consultation for $150 - 200 bucks. Shoot I get my iron schedules from one for $50 a stamp. Drainage issues can be in the millions if not addressed properly the first time.
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  10. Element Property Mgmt

    Element Property Mgmt LawnSite Member
    Posts: 81

    The whole subdivision is on a hill maybe 300-400 feet height difference from top to bottom and all of the backyards drain into this flowage. So it is surface water that is channeled downhill like a river.

    Also I'm going to opt out of the civil English idea because to actually install a fix would only profit me maybe $3-400.
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