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[TowerTalk] TOWER FOOTING -Reply

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Subject: [TowerTalk] TOWER FOOTING -Reply
From: (Scott Bullock)
Date: Tue, 18 Nov 1997 16:58:58 -0500
Hi Patrick and all, another nice thing abt having my pics on the web-check
out the neat way I concocted of supporting my short base section-would also
work real well for anchor bolts too. Just use wider wood. Bummer on the
anchors being crooked, hopefully not so bad that they can't be used.

At 04:38 PM 11/18/97 -0500, you wrote:
>AC6TK wrote:
>       5)Insert anchor bolts thru holes in plywood and place appropriate
>double-nut/washer combo on threaded end on "top" of template w/"hook"
>end of bolt projecting below.
>       6)Use this template as top of form to cover existing 4x4x6' hole. If
>spec for SSV calls for larger dim. form., center on longer pieces of 2"x to
>support and enlarge hole appropriately.
>       7)Pour suitable concrete mix (don't forget the re-bar "cage"!) and 
>wait necessary curing time.
>My comment:
>I did precisely this for my self supporting tower base.  The problem is,
>the act of pouring the concrete twisted and turned my anchor bolts in
>ways that I could not perfectly correct.  Now that the concrete has
>cured, the bolts are slightly off.  Big pain.
>If I had it to do over again, I would pour first and then set the entire wood
>template/anchor bolt assembly down into the wet concrete.  (How
>exactly I would avoid the rebar cage I am not sure.  Perhaps by making
>precise markings of where it was?).
>   -- Pat
>      N9RV
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