[TowerTalk] Height of tower foundation with respect to grade
K7LXC at aol.com
K7LXC at aol.com
Mon Apr 6 05:22:08 PDT 2009
In a message dated 4/5/2009 3:48:21 P.M. Pacific Daylight Time,
towertalk-request at contesting.com writes:
> I looked more closely at the US Tower foundation plans and they specify
that the top of the foundation be a maximum of 8" above grade with a full 8'
below grade. A minimum above grade dimension is not specified. They also
specify that the area under the base plate be grouted after the tower is
installed, which is probably to keep water off of the mounting bolts.
Actually you use non-shrink grout and the grout becomes a
supporting part of the tower so that not all of the forces are on the bolts.
Cheers,
Steve K7LXC
TOWER TECH
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