We have a house that is half 40+ years old the the newer half was built in
99, when they did that they moved the sump pit to the other side of the
house and to the new part. The old part of the basement stays dry but we
have water soming in between the floor and the ICF walls. Will it help to
dig a 2nd sump pit on the side of the basement where the water comes in?
I am assuming that you are correctly diagnosing they fact that the water is
rising from below the slab and not coming through the wall.
If you have the proper gravel base under the new floor, adding another sump
might allow the water to travel through the gravel to the sump instead of
rising at the joint.
And added step you can take is to channel any water that does rise to the
new sump which should be located at the lowest point of the floor.
As a DIY project you are only risking a couple of hundred dollars.
Please come visit http://www.househomerepair.com
You won't know unless you do it. Odds are in your favor. Do some
thinking about the terrain and drainage and locate the sump pit
closest to where you suspect the source might be, like the uphill side
of the house if the lot is bit unlevel. Do whatever is needed to
correct downspouts and grading, too.
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