>
> Tell them there is also an ANSI spec that prohibits voids in the
> galvanizing for structural members. Ask them to show you that spec and
> convince you they complied with it. The only one I found online costs
> about $35 but might it be worth buying ...
>
> http://webstore.ansi.org/RecordDetail.aspx?sku=ASTM+A123%2FA123M-02
>
> Why anyone would use a grinder to take off spurs is beyond me anyway.
My 45G had so many spurs and sharp edges right from the factory it added new
meaning to the phrase, "climbing a tower may be hazardous to your health".
I didn't dare climb without wearing leather gloves.
73
Roger (K8RI)
> Zinc is malleable and a bit of tapping with a hammer would easily knock
> down any sharp spikes or edges without ruining the coverage. Ask them
> if they've ever heard of burnishing.
>
> 73,
> Dave AB7E
>
>
>
> john@kk9a.com wrote:
>> A short time ago, I had some tower sections regalvanized. They were not
>> in
>> bad shape, but I thought I would recoat them before installing the tower,
>> thinking I would have a tower that looked new again. I had the work
>> done
>> at a local galvanizer and at first glance they look good. Now they have
>> been sitting outside for several weeks I can see areas of red rust.
>> After
>> galvanizing, they apparently carelessly used a grinder to remove the
>> spurs
>> and sharp edges and in some areas they ground to the base metal. I
>> called
>> the galvanizer and he said this is no big deal and to just spray it with
>> zinc enriched paint. I stated if you didn't grind it there would have
>> been
>> no problem and he stated they are required by an ANSI spec to remove
>> sharp
>> edges. Nearly all of the rusted areas are on the cross braces and there
>> are
>> only several bad area on each section. However, since I paid for hot dip
>> galvanizing I am unhappy with just spraying it with paint. The company
>> is
>> claiming this is standard practice and allowed by ANSI. I have used
>> galvanizers before without incidence. Has anyone else had similar
>> experiences? Does anyone know what the galvanizing specifications are
>> and
>> with is and is not acceptable? Right now the company is reluctant to
>> correct this problem.
>>
>> John KK9A
>>
>> _______________________________________________
>>
>>
>>
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>>
>>
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