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Separation distance from footing drain of building to underground stormwater storage/leaching chambe

thread193-473367

Separation distance from footing drain of building to underground stormwater storage/leaching chambe

Separation distance from footing drain of building to underground stormwater storage/leaching chambe

(OP)
Is there a required separation distance between a footing drain and a drywell surrounded by stone for stormwater storage ?

I am familiar with the separation distances for subsurface sewage disposal , was not certain about storwater runoff ?

RE: Separation distance from footing drain of building to underground stormwater storage/leaching chambe

It all depends on the soil types between the two. Sounds like an unusual "correction" situation. I'd shoot for a discharge of the drain system well away on the surface. No "infiltration" system or "storage'. In these situations I "waterproofed" the ground surfaces area within 15 feet of the house, all directions. I've written about this several times a various posts on this web site.

Not sure you find that posting, but using the words "bentonite" and maybe "drainage' and you will find it. If needed, I can repeat it here.

RE: Separation distance from footing drain of building to underground stormwater storage/leaching chambe

OG again. I'd think twice or more before trying or recommending the "dry well" thing. Suppose a big storm comes along and it can't handle it. Then you have a very bad situation at the worst time.

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