Ken:
Your foundation with 2" cl at the top is just fine. The cage shouldn't pop out
of the pour. Make sure your have at least 3" clear at the bottom and sides. You
use conc. pour blocks at the bottom to space the cage up from the base.
73
Hank Lonberg, P.E.,S.E. / KR7X
Lonberg Design Group, Ltd.
> Hello to everyone on the list!
>
> I just completed my foundation for the installation of a new UST HDX-555
> tower
> and had a question on the dimensions and/or clearances of the re-bar cage to
> the
> top of the concrete pad that will sit above the grade. My question is that of
> how much clearance should I have from the top of the cage to the top of the
> concrete pad that will be formed above the grade? My installation has it set
> now
> at approximately 2" and there wasn't a spec on the drawings I received from
> UST.
> The total height of the pad above the ground is approximaely 7.5". I am
> worried
> that when I start pouring the concrete, I don't want the cage to lift out and
> "pop" out the top of the pad. I read a few web pages a few months back about
> just that type of thing happening and wanted to get further clarification
> before
> pouring the foundation.
>
> Thanks,
>
> 73, de Ken, N2SMT
>
>
>
> _______________________________________________
>
> See: http://www.mscomputer.com for "Self Supporting Towers", "Wireless
> Weather
> Stations", and lot's more. Call Toll Free, 1-800-333-9041 with any questions
> and ask for Sherman, W2FLA.
>
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