What about using stainless steel ground rods? Does anyone have any
experiences
or opinions on the use of stainless steel ground rods?
73,
GLENN J. TORRES
KB5AYO
----------
> From: Bob Wanderer <aa0cy@nwrain.com>
> To: 'Tower Reflector' <towertalk@contesting.com>
> Subject: RE: [TowerTalk] Ground Rods
To: <towertalk@contesting.com>
> Date: Monday, July 20, 1998 9:38 PM
>
>
> First off, I believe that applies only to towers and their
> associated grounding and guying system.
> Secondly, I have great concerns about the logic (and the company)
> behind the F revision. Yes disimilar metals are an issue, and
> perhaps that tower did fall because of corrosion caused by that
> scenario; however, there are many issues that should be looked
> at in considering what to use. One of them is pH. Another is the
> fact that an anchor going into the earth and then into concrete will
> corrode at that point, and a third is that an anchor going through
> several layers of earth, each with a different pH, will corrode at
> each of the boundaries. So I think by narrowly focusing on one,
> albeit important, aspect, other important issues are ignored which
> can (and will) cause havoc in the future.
>
> I will base my decision on the pH of the local soil, and depending
> on that, the cost differntial of the galvanized and copper-clad ground
> rods. If a tower was involved, I would follow Rev F although
> I disagree with the reasons behind the galvanized only stricture. I am
> sure too that the legal types would suggest I go with galvanized
> regardless of pH if a tower was involved.
>
> 73, Bob AA0CY
>
> ----------
> From: Bill Hider, N3RR[SMTP:n3rr@erols.com]
> Sent: Sunday, July 19, 1998 6:10 PM
> To: Bob Wanderer
> Subject: Re: [TowerTalk] Ground Rods
>
> Bob,
>
> ANSI/EIA/TIA-222-F says you must use galvanized. What's the debate?
>
> Bill, N3RR
>
> Bob Wanderer wrote:
>
> > Yep, I found 5/8" x 8' ground rods at the Home Depot in Tukwila.
> > The galvanized ones were about but under $6 and the
> > copper-clads were over $12. I still need to look at other
> > sources and see how they're priced; unless these are typical.
> >
> > Do you know what the pH of the soil is around this area? In Nevada
> > it was neutral to slightly alkaline (pH=7~8). This would normally
> > call for copper-clad, but if we assume the pH in Seattle is also
> > so low on the alkaline side (and that seems a reasonable
> > assumption, and the difference between galvanized and
> > copper-clad so great, I'm wondering if there really is any
> > advantage to going with copper-clad. What's your opinion?
> >
> > 73,
> > Bob AA0CY
> >
> > --
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>
>
>
>
>
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