Doesn't US Tower require J-bolts, rather than straight bolts?
> I am looking for a used self supporting crank up tower to install at
location in Nevada for contesting. I already have in place 10 cubic yards
of steel reinforced concrete with 1 inch diameter by 36 inch long anchor
bolts imbedded in the concrete. The anchor bolts are spaced 9 inches apart
which will accommodate a US Tower tubular tower Model MA-770 with the
MARB-770 free standing Rotor Base and the early Tristao 70 +/- foot crank
up tubular towers.
> Are there other towers which would accept an anchor bolt pattern of
inch diameter anchor bolts spaced 9 inches apart?
Hiya, Ted --
I wouldn't worry about the bolt pattern. The existing bolts can be
chopped off with a hand grinder and then you can rent a drill with a
concrete bit or a hammer drill to drill new holes. Epoxy in the new anchor
bolts and you're good to go. Construction guys do this all the time and it
works great. When you're done, the epoxy is typically stronger than the
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