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Anyone have tips to install sump pump for standing water under your house?

Posted on 2/18/14 at 11:43 am
Posted by gorillacoco
Baton Rouge
Member since Oct 2009
5320 posts
Posted on 2/18/14 at 11:43 am
I have a standing water problem under the house because of the way my lot drains & it seems i need to install a sump pump to keep the water out. My basic understanding of how to do it is this:

-dig a hole 6-8" larger than the sump pit
-fill bottom 6" of hole with gravel
-put in sump pit
-fill remainder of hole with gravel
-put a few inches of gravel in the sump pit itself
-put in sump pump, wire up to GFCI
-install hose or pipe for water to pump out of (direct this into the yard or toward a drain or something)

anything else? seems really simple but these things are always a pain in the arse, especially if you've never done it before.
Posted by sherrifftaylor
SELP
Member since Jul 2012
878 posts
Posted on 2/18/14 at 12:06 pm to
That should work. You may want to pick out your pump first to make sure you'll have enough room for the float to work properly. Good luck!!
Posted by tiger94gop
GEISMAR
Member since Nov 2004
2916 posts
Posted on 2/18/14 at 12:32 pm to
Why not go to HD hire some day laborers, get a load of sand on put it under the house. Also, there are compnaies that pump sand under houses, not cheap though. It is better than a sump pump. Also, a bith if you have to crawl under the house if the blocks are 1 ft or less.
Posted by wickowick
Head of Island
Member since Dec 2006
45812 posts
Posted on 2/18/14 at 12:34 pm to
The water under the house is going to increase settlement of the home. Do you have gutters? I would first look at trying to keep the water from getting under the home...
Posted by Chris4x4gill2
North Alabama
Member since Nov 2008
3092 posts
Posted on 2/18/14 at 12:38 pm to
quote:

The water under the house is going to increase settlement of the home. Do you have gutters? I would first look at trying to keep the water from getting under the home...


This is the first thing you need to address. - where is the water coming from?

As for the pump, your pretty much dead on with how to install one.
Posted by DirtyMikeandtheBoys
Member since May 2011
19424 posts
Posted on 2/18/14 at 1:07 pm to
Just dig a trench to the ditch and ensure that the invert is at a lower grade than the lowest elevation under the house. The water will drain out the ditch.

You can even lay pvc and "culvert" the trench as well.
Posted by CarRamrod
Spurbury, VT
Member since Dec 2006
57443 posts
Posted on 2/18/14 at 1:14 pm to
french drain that shite
Posted by TU Rob
Birmingham
Member since Nov 2008
12739 posts
Posted on 2/18/14 at 5:03 pm to
Had this issue a while back in my storage room off the basement/garage. I got some of that sealant paint for masonry. It seems to have slowed the problem. Now it only has a little leak when there is a huge rain storm. Talking with my neighbor a few months ago, he mentioned having his work crew come dig the area out around the porch (this storage room is under my concrete porck) and putting some tar on the foundation walls. It would help to block the water from getting in, but the sump pump would be a good idea as a little insurance. Or a french drain. I weighed all my options and went with the sealant for now. Maybe one day I'll attack it from the outside.

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