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Water in Crawl Space

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Water in Crawl Space bslusse 04-05-2007
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Posted by on April 5, 2007, 2:04 pm


My house sits on a slope and the back right corner of my house is
about 3 ft lower then front left of my house. When we have heavy
rains, I will get water standing at the foundation in the back right
corner. The water will drain out within a day. I had the county come
out and look at it and they said that as long as the water is not
standing it was not a problem. My question is, could I install a
small drain (2" pvc pipe punch through the block and brick) through
the foundation to speed up the drainage of the water? I have diverted
all the gutters to get the water away from the house.


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Posted by Steve Barker on April 5, 2007, 2:43 pm


Not only can you, you should.

--
Steve Barker




> My house sits on a slope and the back right corner of my house is
> about 3 ft lower then front left of my house. When we have heavy
> rains, I will get water standing at the foundation in the back right
> corner. The water will drain out within a day. I had the county come
> out and look at it and they said that as long as the water is not
> standing it was not a problem. My question is, could I install a
> small drain (2" pvc pipe punch through the block and brick) through
> the foundation to speed up the drainage of the water? I have diverted
> all the gutters to get the water away from the house.
>



Posted by Malcolm Hoar on April 5, 2007, 3:17 pm


bslusse@gmail.com wrote:
>My house sits on a slope and the back right corner of my house is
>about 3 ft lower then front left of my house. When we have heavy
>rains, I will get water standing at the foundation in the back right
>corner. The water will drain out within a day. I had the county come
>out and look at it and they said that as long as the water is not
>standing it was not a problem. My question is, could I install a
>small drain (2" pvc pipe punch through the block and brick) through
>the foundation to speed up the drainage of the water? I have diverted
>all the gutters to get the water away from the house.

It the water is appearing regularly (more than a handful of times
per year) I would look for additional measures to prevent the
initial accumulation, if at all practical. You've done the obvious
thing by diverting the gutter run off. Maybe you need to take
another look at the grading?

Regardless of frequency, it would be prudent to install that
additional drain to get the water out from the crawl space
more rapidly.

--
|~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~|
| Malcolm Hoar "The more I practice, the luckier I get". |
| malch@malch.com Gary Player. |
| http://www.malch.com/ Shpx gur PQN. |
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Posted by on April 5, 2007, 3:43 pm


On Apr 5, 2:17 pm, m...@malch.com (Malcolm Hoar) wrote:
bslu...@gmail.com wrote:
> >My house sits on a slope and the back right corner of my house is
> >about 3 ft lower then front left of my house. When we have heavy
> >rains, I will get water standing at the foundation in the back right
> >corner. The water will drain out within a day. I had the county come
> >out and look at it and they said that as long as the water is not
> >standing it was not a problem. My question is, could I install a
> >small drain (2" pvc pipe punch through the block and brick) through
> >the foundation to speed up the drainage of the water? I have diverted
> >all the gutters to get the water away from the house.
>
> It the water is appearing regularly (more than a handful of times
> per year) I would look for additional measures to prevent the
> initial accumulation, if at all practical. You've done the obvious
> thing by diverting the gutter run off. Maybe you need to take
> another look at the grading?
>
> Regardless of frequency, it would be prudent to install that
> additional drain to get the water out from the crawl space
> more rapidly.
>
> --
> |~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~|
> | Malcolm Hoar "The more I practice, the luckier I get". |
> | m...@malch.com Gary Player. |
> |http://www.malch.com/ Shpx gur PQN. |
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

It only happens when we have more then an inch or two of rain in a
short period of time . I doubt it happens more then 5 or 6 times a
year. Thanks for the quick response. Any recommendation on how large
of a diameter of pipe I should use?


Posted by Malcolm Hoar on April 5, 2007, 4:13 pm


bslusse@gmail.com wrote:

>It only happens when we have more then an inch or two of rain in a
>short period of time . I doubt it happens more then 5 or 6 times a
>year. Thanks for the quick response. Any recommendation on how large
>of a diameter of pipe I should use?

2 or 3 inch will drain a lot of water.

Smaller may handle the water but it's going to be more
susceptable to blockages. 2 or 3 inch will be easy to
clear if it does become blocked or partially blocked.
e.g. just ram a garden hose through it.

The hardest part of all this is likely to be making sure
the water drains well away from the house.

Your other option would be to create a sump to the
collect the water and install a water-level activated
pump (i.e. sump pump). I'd probably make that decision
based on the amount/frequency of the water and the risk
of that water causing damage to timber/drywall/whatever.
How much you're willing to spend on keeping the crawl
space dry is also going to be a factor, of course.

With a sump pump you'll need to be even more careful
to ensure the water is pumped well away from the house
and in compliance with local codes. This may require
pulling permits and may force more "disclosure" than
you want if and when you sell the property.

You might also try getting some builders/contractors
around. With luck you'll get some good recommendations
and prices for a range of options to improve the
crawl space water situation. That should make it a lot
easier to make a decision. However, in some areas, it
may be difficult to find any contractors interested in
a job like that.

--
|~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~|
| Malcolm Hoar "The more I practice, the luckier I get". |
| malch@malch.com Gary Player. |
| http://www.malch.com/ Shpx gur PQN. |
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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