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Re: basement uplift follies

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Worth considering, however I think there would be "diminishing
returns" from the contractor's point of view.  We would have to blast,
scrape and chip out 2 more feet of some pretty hard rock and the extra depth
increases the uplift pressure. Pulling two more feet of rock out of 20 foot
hole does not seem too easy. I currently have a 2 foot wide heel all
around. The mat pour alone is already over 100 yards with an 18" thick mat.
Thanks everyone for
your thoughts. I need to think about this and further my discussions with
the geotechnical


Jeff Smith

From: Parkerres(--nospam--at) <Parkerres(--nospam--at)>
To: seaint(--nospam--at) <seaint(--nospam--at)>
Date: Thursday, July 30, 1998 2:21 PM
Subject: Re: basement uplift follies

>Why not pour your mat foundation an additional 24" thick?!  Maybe a bit
>extravagant, but certainly easy to do.
>Bruce Resnick, SE
>Parker Resnick Str. Eng.