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Posted by Geo on May 29, 2007, 1:29 pm
> On Fri, 25 May 2007 14:51:02 -0700, Geo wrote:
> > As those of you who read my initial post know, I'm in the process of
> > digging out a hole for a paver patio that is outside the walkout
> > basement - which happens to be the low spot of the property. To
> > recap, I just removed an old
> > slab of cement outside the walkout door and as I was digging about 10"
> > down a water puddle formed along the foundation and I ran in to (what
> > I thought was) a drainage pipe. This pipe runs parallel to the
> > foundation about 10" below the level of the basement floor. I
> > presumed the water drained from this pipe to the sump.
>
> Can you connect this pipe to the sump? If so, now is a good time.
>
>
>
> > As it turns out the previously mentioned pipe turns out to be an old 5
> > foot piece of 2.5" pvc that was half under the old concrete slab at
> > the doorway with the other half just covered by dirt and gravel. The
> > pipe was sitting on gravel and was atop plastic and parallel to the
> > house against the foundation. It looks like it was intentionally laid
> > this way. The thing is the pipe does not connect to anything. It's
> > just 5 feet of pipe lating there. I can remove it.
>
> > Which brings me to the next problem. Why is there water pooling
> > against the foundation. Granted, it's below the level of the basement
> > floor, but I'm not sure that I can lay a patio atop it. Does this
> > water pooling suggest that the drain tile is not working correctly or
> > is this a natural type of occurence? next, can I safely put a paver
> > on top of it? The water doesn't seem to get any higher than a certain
> > level. Even if I try to fill the hole it seems to seep in the
> > ground. It doesn't rise. For patio purposes I suppose I could back
> > fill the hole with gravel, pack it - that would get me about 10", then
> > the subbase of the patio wouldbe another 5" with a 1" sand base and
> > 2.5" paver stone.
>
> > I'm at a loss here.
>
> Water would be pooling because you are deep enough in the ground vs. your
> local water table. AND your weeping tile is not connected to anything.
> Can you contact the builder about that? probably they need to fix that.
> Builder may not even know that was done. Perhaps plumber was skimping and
> neighbors have this setup as well..
And it gets even more interesting. I decided to do more digging
(literally) and I found the drain tile on one side of the walkout door
and it just ends - not covered, nothing. Reached in it to clean out
the sediment that formed. So, what I know so far is what it looks
like below:
| o
| o
| o
---------------------------|walkout door|------- o
/o o
/|\
|
drain tile ends
Should drainage tiles be connected all the way around the house even
with the low point of the property being where the walkout door is
located?
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