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New Construction - Basement in High Water TableFrom: davidmklein@yahoo.com
Category: Foundations and Basements
Remote Name: 24.191.24.92
Date: 02 Jun 2002
Time: 07:31 AM
CommentsI am working on plans to construct a new home in place of my existing home, which is built on a crawl space that extends about two feet below grade. I have several sump pumps in the crawl space (below the slab) that kick on a few times a year, only after multi-day rain storms.
I had a test boring done (to 25 feet), which showed very sandy soil and water a little over four feet below grade. We are on Long Island, NY. Our lot is relatively flat, sloping only 2 or so feet over the 100 foot width. I would like to construct a basement in the new house and have the following questions:
(1) Is it possible to build below the water table, and if so, is this desirable or am I just asking for trouble.
(2) How close can I (should I) go to the water table to minimize long-term problems. I will then build the rest of the basement above ground.
(3) In terms of specific foundation construction/waterproofing techniques, how should the foundation be constructed, and what drainage techniques should be used to minimize the likliehood of water trouble over the years.
Thanks.
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