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Re: [TowerTalk] Anchor bolts for LM470

To: towertalk@contesting.com
Subject: Re: [TowerTalk] Anchor bolts for LM470
From: Jim Lux <jimlux@earthlink.net>
Date: Mon, 16 Apr 2012 07:18:52 -0700
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
On 4/16/12 6:54 AM, EZ wrote:
>
>
>   In theory and if you followed the tower mfg. directions, the top of the
>   concrete pad will be crowned and water will not be trapped around the
>   protruding anchor bolts.  Before I poured concrete, I painted the top of
> the
>   bolts (threaded portion) with etching primer.  After my tower was
> installed,
>   I wet down the top of the bolts, nuts, etc. with WD40 and made some cheap
>   covers out of short lengths of PVC and PVC end caps.  Water stays off the
>   bolts now and the oil keeps them from rusting.  Once a year I recoat with
>   WD40, and they look as new as when they were installed.
>

As a philosophical thing, I tend to prefer installation schemes where 
there's no annual/periodic maintenance required.

That's one of the advantages of, for instance, exothermic welding 
(Cad-Weld One-shots) over a compression clamp.  Or of crimp fittings 
over bolt on.

I know others have different opinions.. some enjoy the annual 
inspection.. maybe it's like signaling the change of seasons.

And I will readily admit that there are other things one should do with 
one's antenna system on a periodic basis (e.g. checking the cables, 
etc.) so maybe it's just a matter of having a checklist and adding some 
stuff to it.
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