I wouldn't build on a guess if that tower is placed where it might fall
on something valuable. It isn't very difficult to calculate dimensions
for a base that will resist a specified overturning moment. The simple
calculations assume poor soil characteristics and other simplifications
and result in a conservative design.
73 de WOØW
>Without knowing the windload, it is hard to make a guess. The regular base
>for Rohn 25 guyed tower is 2' 8" by 2' 8" by 3' deep.
>
>Rohn 25 is not designed to be self-supporting, but my guess is 2.5 yards of
>concrete would do it.
>
>Bill
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