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Posted by buffalobill on April 18, 2007, 2:24 am
> My neighbors yard is higher than my yard by about 3'. His property
> slopes away from his house and towards my house. The grading around
> my foundation on that side is not correct (i.e. its pretty much level)
> so the water from his property ends up against my foundation during a
> bad rain (like what we just got in the Northeast).
>
> Aside from correcting the grading at my foundation, I wanted to add a
> french drain. It would be about 10' from my foundation, basically at
> the low spot between his yard and where the grading from my foundation
> would end. I also have 2 downspouts to drain out on that side of the
> house, and I figured while I have the Kubota I might as well bury the
> downspouts too.
>
> A couple questions......can I use the same trench for the downspout
> drainage and the french drain? I would keep them as separate pipes,
> but I wasnt sure if the downspout pipe would interfere with the
> correct operation of the french drain.
>
> Also, any recommendations on fill material? We have what seems to be
> normal soil for the area........definitely little to no clay content.
> I was thinking just normal 3/4" gravel from the local stone company.
> 2 or 3" in the bottom of the trench, followed by 4" drain pipe (was
> going to use the PVC stuff, not the black flexible stuff), followed by
> enough of the same 3/4" gravel to fill the trench to within 2" of the
> yard, followed by a layer of sod so I dont have to look at the gravel
> forever.
>
> Does the plan seem OK? I know a lot of people recommend different
> fill materials, figured Id ask what everyone thinks.
>
> Thanks!
> -Chris
http://www.buildingscienceconsulting.com/resources/foundations/renovating_your_basement.pdf
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