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Re: [TowerTalk] Concrete anchors

To: towertalk@contesting.com
Subject: Re: [TowerTalk] Concrete anchors
From: "john@kk9a.com" <john@kk9a.com>
Date: Fri, 14 Aug 2015 09:40:26 -0500
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
The nice thing about the adapter plate is if you later decide that you
really miss having a taller tower, you can buy one and use your original
base.

John KK9A


To:     towertalk@contesting.com
Subject:        Re: [TowerTalk] Concrete anchors
From:   Patrick Greenlee <patrick_g@windstream.net>
Date:   Fri, 14 Aug 2015 08:02:57 -0500

I would go for the adapter plate as a simple straight forward solution
with no esoteric chemistry involved. Had I had years of successful
experience with chemical anchors and super confidence in the strength and
condition of the top layers of the concrete, I would probably go with the
adapter plate.

Patrick        NJ5G

On 8/13/2015 8:30 PM, Andre VanWyk via TowerTalk wrote:
I have a concrete base next to my shop that once had 89ft US Crankup Tower
on it. The tower is gone, and I acquired a 55ft US Tower that I want to bolt
to this base for use in my shop. The bolts that once held the bigger tower
is still there, but I plan to cut them off and install chemical anchors to
support the smaller bolt pattern. The other option was to fabricate an
adapter plate that would mate the 55ft tower T-base to the bigger bolt
pattern, but this sounds like much more work than simply drilling into the
concrete and installing new anchors.

 I never used chemical anchors for this purpose and would appreciate any
suggestions on size, and where I can source them. The rebar pattern for the
bigger tower is much wider than the bolt pattern for the smaller tower, so I
there is little chance for me to hit rebar when I drill. (I suspect I will
need a BIG drill).

 73's

NJ0F

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