Hello,
Got alot of water in the basement last month during the floods. The water
came up from below the floor. It was recommended I install a couple of sump
pumps. How do I know this is going to work? In other words, how can i be
sure the water is going to travel under the basement floor (sideways)?
thanks.

The correct way of doing it is to install draintile (perforated plastic
pipe) around entire perimeter leading to one sump. If you have gravel
under the floor, the pipe is probably already there and you could just
install a sump pit and pump


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you won't really know until you dig the hole and wait for the next
flood condition. first ask the neighbors if they have similar homes
they have solved this problem already.
but consult a local plumber and perhaps your local building permit
office for the proper local advice.

"The correct way of doing it is to install draintile (perforated
plastic
pipe) around entire perimeter leading to one sump. If you have gravel
under the floor, the pipe is probably already there and you could just
install a sump pit and pump "

I agree, except for that if a proper drainage system is put in when the
foundation is built, the sump pump pit is almost always installed at
that time too.

Unfortunately, due to the circumstances of the yard, I am the only one to
get water. Lots and lots of water.
There is no pipe already installed. Looks like I am getting my self a
jackhammer.


"buffalobill" wrote in message
ups.com...
you won't really know until you dig the hole and wait for the next
flood condition. first ask the neighbors if they have similar homes
they have solved this problem already.
but consult a local plumber and perhaps your local building permit
office for the proper local advice.

It is a continuous loop of perforated pipe around perimeter. Water can
come up from any where under floor, not just along front and back walls


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On Sat, 19 Nov 2005 18:45:46 GMT, "Jack" wrote:
Unfortunately, due to the circumstances of the yard, I am the only one to
get water. Lots and lots of water.

Before anything else, I would do all in your power to change "the
circumstances of the yard". Get some good landscape folks, a
professional engineer, so someone who specializes in drainage out
there to look at it.
Speaking from experience

mm,

In your situation, each house will have it's own drainage system. All
the pipe will be perforated.

Generally. drainage systems will consist of

1)Nothing or

2)Gravel or

3)Gravel with drain tile leading to a sewer, street curb, daylight
drain or driwell. In this instance, a continous loop of perforated pipe
(draintile) would be placed around perimeter of basement connected with
a tee fitting with a pipe leading to the sewer, curb etc.,. no pump
needed.

4) Gravel with drain tile leading to sump pit. Again, continous loop of
pipe, both ends terminating in sump pit. From there, the water can
either be pumped out or another pipe can be fitted to sump pit leading
to sewer, street curb, etc.

As the systems ascend as listed, they obviously ascend in price. The
second two do the same thing, it just depends on the grading of the lot
and the age of the houses. Nowadays, it;s cheaper just to put in a full,
pumped system than to do the extra digging to extend to daylight drains


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mm,

This thread has gotten a little confusing. Specifically to you, each
townhouse will have it's own seperate system. It will consist of a
continous loop of perforated pipe around entire perimeter of house with
each end of pipe terminating in sump pit. From there, one of two things
can happen

1) A third pipe can be installed leading to a sewer, street curb,
driwell or daylight drain and water will drain out naturally

2) From sump pit, water can be pumped out.

Just because they are connected doesn't mean that all houses will act
the same. It is quite possible that you have water in your sump and
your neighbors are dry or vice versa. As such, they may or may not have
pumps. All of the systems may have drained to daylight at one time and
some of those daylight drains have fouled and now need pumps. It's hard
to say.


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I agree with this, shifting some dirt and topsoil around the yard is
MUCH easier and has better results if it's possible to do it. If you
have no way to keep the water out and you do need to install a sump,
consider renting a concrete saw in addition to that jackhammer. If you
cut the perimeter of the areas you want to remove before breaking it
up, you'll get a much cleaner edge, less mess, and an easier time
patching it back up when you're done.