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- To: <seaint(--nospam--at)seaint.org>
- Subject: Freezer Slab
- From: "Jim Persing" <jpersing(--nospam--at)fhoarch.com>
- Date: Mon, 28 Jul 2003 11:50:55 -0700
I have been asked to
make a recommendation for repair of a freezer slab that has risen about 6" from
the edge to the middle - 10' +/-.
The freezer is kept
at about -10 degrees F and has a floor consisting of 4" concrete over 3" rigid
insulation over 4" of concrete. The building is in a mild climate in the
Pacific Northwest and is about 10 years old and the original soil report shows
no ground water to the bottom of the test pits. Somewhere water has
intruded - broken water line?
As far as I can tell
(and also from a core through the floor) the cause is from frost heaving.
I have done a little bit of work in Alaska and dealt with frost heaving but this
is in reverse. I think I know what to do but just wondered if anybody has
dealt with this problem before and has recommendations on how to fix