We had these installed to supplement the original guy
anchors for the WBZ-AM tower site in Boston, which
dates back to the late '30s. Because the site is in
an environmentally sensitive salt marsh, it was
required that no excavation be done, hence the need
for auger anchors and many of them. The construction
crew, an AB Chance contractor, used hand-held
hydraulic devices to screw them in. Apparently when
they hit a predetermined torque, the device shut
itself off.
I am now on the west coast, but still working for the
same company (CBS). I am told that, 10 years later,
these anchors have been verified by a structural
engineer to be doing as good as the day they were
installed.
Bob
W1RH
--- R Atkins <rusty_atkins@yahoo.com> wrote:
> First off, let me thank all of you for the responses
> these past few days about all facets of tower
> installation as well as a few bits and pieces I've
> needed to get the job done. Its amazing how
> responsive and helpful this list/"reflector" is.
> I've been so busy installing the tower that I
> haven't had time to touch the computer, but all your
> help is VERY much appreciated.
>
>
> Now,.. for the question.
>
> How in the world do you install those 8" diameter
> (model 816?) screw-in ground anchors?!?!?!
>
> We've bent a 6' long pipe and a 8' long pipe so
> badly that we could hardly remove them... and these
> anchors are only halfway in.
>
> There are limitations to what we can because of a
> heavily tree lot that we want to keep that way
> (so... we can't get a tractor in there).
>
> How do you get these things screwed all the way into
> the ground?
>
> Thanks!
>
>
>
>
>
>
>
>
>
>
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>
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