Even if unguyed, Steve? Surely not.
Mike, k5wmg
Pipe Creek, Texas
A thousand words a day. Five days a week. For life.
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On Wed, Feb 9, 2011 at 10:57 AM, <K7LXC@aol.com> wrote:
>
> In a message dated 2/8/2011 5:58:35 P.M. Pacific Standard Time,
> towertalk-request@contesting.com writes:
>
> > I will be upgrading my tower and will be using my existing base. This
> will
> require drilling the existing concrete base and epoxing in some new bolts.
> I would be interested in exchanging some emails with someone who has done
> this.
>
>
> This is covered in my UP THE TOWER book (available from
> _www.championradio.com_ (http://www.championradio.com) ). As is a
> picture of the XE2DV
> super station on the Sea Of Cortez.
>
> In short (assuming the existing base is big enough for the new tower),
> rent an impact hammer and an appropriate sized diamond drill bit (for
> cutting any possible rebar) and drill where the new holes go.
>
> Blow the dust out of the holes (a big straw or can of compressed air
> work FB), use contractor's epoxy in the hole, wait for it to cure and
> you'll
> be good to go. You'll need a special 2-barreled gun for the 2-barreled
> epoxy cartridges. You can probably rent all of these at your local rental
> store.
>
> Contractors do this every day and the epoxy is stronger than the
> concrete so no worries about strength.
>
> Cheers & GL,
> Steve K7LXC
> TOWER TECH
> and
> Champion Radio Products
>
>
>
>
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>
>
>
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