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[TowerTalk] Base equivalent

To: towertalk reflector <towertalk@contesting.com>
Subject: [TowerTalk] Base equivalent
From: Mike Reublin NF4L <nf4l@comcast.net>
Date: Fri, 10 Jan 2014 16:28:11 -0500
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
The specs for my crank up call for a hole 4x4x7.5 feet. That works out to 4.4 
yds of concrete. The smaller backhoes that I can get to the site can go to a 
depth of 6 feet. Because of the water table, I consider it an unacceptable risk 
to put a man in the hole to dig out to 7.5 feet deep.

A hole 5x5x6 is 5.5 yds.

Would that be a safe equivalent to hold the tower up with the same wind load?
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