Do it Yourself: Re: [DIY] French Drain

My 40' french drain is about 6-7 inches deep, covered by 3/4 in gravel...been ok for over 15 years now

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On Tue, 5/10/16, Ron Johnson l0c0l0b0@hotmail.com [DoIt_Yourself] <DoIt_Yourself@yahoogroups.com> wrote:

Subject: [DIY] French Drain
To: "YahooGroup DIY" <doit_yourself@yahoogroups.com>
Date: Tuesday, May 10, 2016, 9:11 AM

I have a property
that is sitting in ... well, basically a bowl. When it
rains we
get it fast and hard and we end up with a lake under the
house.
We've been able to put two sump pumps under the house
and it helps a lot.
But there's more work to do. One thing is adding the
downspout in the back
(the uphill side) to the plumbing of the sump pump, running
it under the house.
(By the way, it pumps water to the gutter so there's no
problem with the city system
getting it.) Then, I want to add a French Drain to the back
and connect it to
the drain from the back downspout.

There is one question that
I am concerned with, though: what is the minimum depth for a
French drain? Too
shallow and it might be stepped on and crushed, too deep and
I won't get the
slope I need to drain it to the pipe at the bottom of the
downspout.

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