FWIW, I’m about halfway through excavating my anchor rods, buried in 1989. The
zinc is gone and they’re rusty, but so far no significant reduction in
diameter. If I can just find the galvanic stuff in less than broadcast tower
quantities, I’m sure they’ll last longer than I do. This in Wisconsin clay.
YMMV.
73,
Scott K9MA
----------
Scott Ellington
--- via iPad
> On May 30, 2019, at 3:35 PM, Grant Saviers <grants2@pacbell.net> wrote:
>
> I did what Steve suggests on a new tower anchors. There is a 20 mil thick
> 1-1/2 or 2" wide black vinyl (like thick 33) tape that is used for covering
> buried black iron gas lines. I put a 50% overlap wrap from concrete to a
> foot above grade as one layer of protection, then that was covered with
> asphaltic roof paint. Available at HD.
>
> Some gas line I put in once had a special paint that the inspector required
> over the tape, which would be another paint choice if it can be found. Since
> it was code for gas line, I thought a good idea for buried anchor rods.
>
> Grant KZ1W
>
> On 5/30/2019 9:52 AM, k7lxc--- via TowerTalk wrote:
>>> ?? Does anyone know where to find the article, in QST, I think, about
>>> thistopic? (I've searched the QST archives on every keyword I can think
>>> of.)Failing that, any other source of information? My guy anchor rods
>>> aregetting rusty, so they need some protection. Web searches seem only
>>> tolead to vendors of systems for huge broadcast towers.
>> ?? ?? I don't remember what's in the article but glad you got what you were
>> looking for.
>> ?? ?? Per Frank, W3LPL, an excellent idea is to coat the anchor part that's
>> in the soil with roofing tar or some other bituminous material. It works FB.
>> Cheers,Steve?? ?? ??K7LXCTOWER TECH
>> PS - Would you mind posting the link to the article so that we can all
>> benefit from it? Tnx.
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