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Posted by DanG on August 13, 2006, 9:43 am
It is too bad code is ignored so often. Code indicates a minimum
of 6" of fall away from the building in the first 10'. I can show
you more places that don't comply than I can ever show you that
do. Developers and builders usually are not going to go beyond
minimums and often don't meet the minimums.
Perhaps you can raise the grade along the building face. Do not
go above weep holes in brick. Do not cover or touch any type of
siding. Perhaps you can pave a sidewalk on each side to maintain
a permanent drainage swale. Water moves quite well on hard
surfaces with minimal pitch
A piped system can move lots of water without the cyclical problem
of silting in the way surface drainage can. A level pipe can
still move lots of water, though graded pipe is more normal. Pipe
pitch can be quite minimal.
I have one situation where I ran 18" arch top pipe level for 200'.
I established a catch box inlet at the origination of the pipe.
This pipe takes on all the drainage of over 1/2 a city block. I
had to create a decorative berm to cover about the last 20 feet of
pipe and it terminates in a headwall disguised with a rock garden.
The grass over the pipe is very hard to keep green as pipe must
get much hotter than the surrounding soil and does not hold
residual moisture.
This may give you a few ideas.
______________________________
Keep the whole world singing . . . .
DanG (remove the sevens)
dgriff237@7cox.net
> I have a small house where there is a small slope from the
> back
> corners of the house to the street in front of the house. Prior
> to my
> ownership, the gutters were not properly installed and there
> were some
> depressions at the foundation of the house that attracted water.
> (The
> depressions have been filled). I have been told on numerous
> occasions
> that 95% of basement leakage problems is attributable to poor
> drainage
> and I want to fix the problems.
>
> I would estimate that it is about 120 feet from the back
> of the
> house to the street and that the street is about 10 inches lower
> than
> the back of the house. There are small bumps (maybe several
> inches
> high) that interrupt the waterflow from both sides of the house
> from
> the back to the front. Because the slope is so gradual and
> because of
> the bumps, I know that some water will pool at some points near
> the
> house. (I just bought it a month ago, and there has not yet been
> a
> heavy rain, so I don't totally understand the drainage flow yet.
> I
> have run a hose however to get some idea of drainage flows.) If
> I were
> to place pipes on both sides of the house and underground, I
> believe
> that they would end up beneath the street level. If I tried to
> level
> out the surface and get rid of the bumps, I would be afraid that
> such
> subtle work would be difficult to accomplish. I am wondering
> what
> members of this group would suggest as the best methods to drain
> the
> water away from the house.
>
> Thanks,
>
>
> JD
>
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