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[TowerTalk] congrete filled steel for tower base

To: <towertalk@contesting.com>
Subject: [TowerTalk] congrete filled steel for tower base
From: "KLM" <cassrvp@telus.net>
Date: Sat, 3 Nov 2007 07:32:39 -0800
List-post: <mailto:towertalk@contesting.com>
Hi all, I have a tr ex 51' crank up I am going to srrect. I live a long way 
from any concrete supply and am looking for a way around the big expense of 
delivery. Earlier, I salvaged  a large steel tube 24" across with 5/8" walls by 
20' long. from another project. It is already filled with concrete. My plan is 
to auger a 24" hole in the ground as deep as possible (6 to 8') , cut the tube, 
 insert it and use it for my base. I would weld brackets  directly to the 5/8 
plate on the top to bolt the legs to. I could mix enough concrete for a shallow 
pad  around it. What do you think of this idea? the tower would be directly 
grounded through the tube right into the water table. Is there a concern for 
lightning strikes in the base or any other potential problems anyone can see? 
It would certainly be grounded well ! ...any guidance appreciated.

TNX in advance
Ken
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