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MChief 10-13-2012 12:03 PM

Tying area drain into foundation drain. Bad ideal?
Hello All,

I have a 8 foot retaining wall that ties into the house’s basement on one end and to an outside stairwell at the other end. The wall sits at a 3-4 foot negative grade to the yard. Instead of taking off many dump truck loads of soil I was looking to install an area drain about 10-20 feet out front the bite of the 90 degree angle made from the stair well as it intersects the retaining wall. The house and retaining wall have a foundation drain installed. My question is would it be OK to hook the area drain discharge into the foundation drain?

Thank You

jomama45 10-13-2012 07:08 PM

I personally think it's terrible idea, especially if the foundation drain leads to a sump pump. In a heavy storm with a power outage, the surface drain is going to put an un-needed load on the foundation.........

hand drive 10-14-2012 10:40 AM

never mix surface/gutter water with foundation drainage, not a good idea. Surface water can add to much flow to the drainage and undermine the foundation...

MChief 10-14-2012 01:30 PM

Area drain to foundation drain
I thought this to be a bad ideal, just needed to bounce it off a few folks. Now how to redirect the area discharge. I either could drill a hole in the retaining wall or make the discharge run up hill ???

Any thoughts?

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