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Old 04-10-2014, 07:22 PM
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Element Property Mgmt Element Property Mgmt is offline
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could use some direction on this one.

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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Old 04-10-2014, 07:28 PM
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this is my idea to fix it without the french drain.
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Old 04-10-2014, 07:47 PM
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I've dealt with a few of these. The question is, where is the water coming from? Sub-surface, gutters or surface?
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Old 04-10-2014, 07:48 PM
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I would consult a civil engineer.
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Old 04-10-2014, 08:01 PM
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[QUOTE=1idejim;5009273]I would consult a civil engineer.

To be sure a expensive idea. The guy I used was a certified septic designer that knew his stuff, especially the soil conditions. If we could find the outflow(s), we'd pour a special dye into the suspecting areas to see what's what.
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Old 04-10-2014, 08:47 PM
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[QUOTE=Mike Leary;5009290]
Quote:
Originally Posted by 1idejim View Post
I would consult a civil engineer.

To be sure a expensive idea. The guy I used was a certified septic designer that knew his stuff, especially the soil conditions. If we could find the outflow(s), we'd pour a special dye into the suspecting areas to see what's what.
You're right boss but it's like you've said before, share the risks and liabilities. A good engineer should be involved if for nothing more than a consultation.
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Old 04-10-2014, 08:54 PM
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[QUOTE=1idejim;5009341][QUOTE=Mike Leary;5009290]

You're right boss but it's like you've said before, share the risks and liabilities. A good engineer should be involved if for nothing more than a consultation.
/QUOTE]

Agree, Without trenching, I'd still like to know what's going on before I called the "big boy".
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Old 04-10-2014, 09:13 PM
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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.
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Old 04-10-2014, 09:44 PM
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Originally Posted by dieselfuel View Post
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.
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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Old 04-11-2014, 07:45 AM
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Quote:
Originally Posted by Mike Leary View Post
I've dealt with a few of these. The question is, where is the water coming from? Sub-surface, gutters or surface?
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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