Move the tower away from the house and guy it like Rohn recommends.
Assemble the tower completely on the ground, mark it carefully, and take it
apart. Leave the first and second section assembled and put them in the
hole, get it plumb using temporary guys, and pour your concrete. I prefer to
weld the rebar to a ground rod and bring that out the top of the concrete as
well as drive a ground rod near each tower leg after the concrete is in
place. Now stack the remaining 4 sections with a Rohn gin pole. Depending
on your location it will take 2 (or 3) sets of guys with 3 (or 4) per set
depending on whether you can guy on 120 degree angles (or 90 degree angles).
The gravel in the hole is important for draining the legs (so they won't
freeze) and being sure that the legs are not plugged is also important.
Your tower loading is low, but the tower should be build for what you may
want to put on it in the future.
60 feet of Rohn 25 on a house bracket is a disaster waiting to happen!
Houses are poorly made for structural supports without considerable beefing
up at the bracket. I would not like to climb on 30 feet of Rohn 25 above a
house bracket and it won't support much antenna!
[mailto:email@example.com]On Behalf Of Joe
Sent: Monday, August 26, 2002 11:40 PM
Subject: [Towertalk] Tower Buidling 201
Tower Building 201
Need help with putting up a new tower. This is my second tower, the first
was on a hinge.
I have 5 sections of Rohn25G and one top section. I intend to use one of the
sections as a base. For now I would like to place a Diamond HF vertical
(mounted on the side) and a Cushcraft 144/440 on top w/a rotor.
My house has a 13' foot peak and a 3' overhang. I think it would be best to
mount the bracket to the wall. I am told by Rohn to not go over 30' above
I am also told by Rohn to dig down 4' with 6" of gravel for the base.
My goal is to have a decent tower that I can use for quite awhile and grow
with. My objective is to build it this fall AND TO DO IT RIGHT. That is
where you guys come in. Do you have any suggestions to help me meet my goal?
Thanks for helping me out,
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