[TowerTalk] Concrete anchors

[Andre VanWyk]

I have a 165ft rotating tower going up next Spring so will not be putting a larger tower on this base, but it does sound like I need to get a fab shop to just go ahead and build me the base. No galvanizers locally so paint will have to do.  

73
NJ0F

Sent from my iPhone

> On Aug 14, 2015, at 9:40 AM, "john at kk9a.com" <john at kk9a.com> wrote:
> 
> 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 at contesting.com
> Subject:    Re: [TowerTalk] Concrete anchors
> From:    Patrick Greenlee <patrick_g at 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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