About 25 years ago I had a 89' US crankup tower and I installed the mounting
plate between two nuts of each anchor bolt. The plate sat above the
concrete pad and I never used grout. I never had a problem with this
installation and I don't understand the purpose of using grout.
John KK9A
To: Steve Jones <n6sj@earthlink.net>, towertalk@contesting.com
Subject: Re: [TowerTalk] Grouting a New Tower?
From: Grant Saviers <grants2@pacbell.net>
Date: Tue, 13 Dec 2011 12:58:34 -0800
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
Have the same tower, I am wondering about the benefit of grouting,
especially after taking down a TMM433 that had a lot of rust underneath
the base plate as a result of the grouting. My inspection of street
light standards has been inconclusive 50/50 grout/no grout. Same with
cell towers with nuts under the base plates, mostly no grout.
Besides UST recommending it, why is it an advantage?
Grant KZ1W
On 12/13/2011 11:48 AM, Steve Jones wrote:
> All-
>
> I recently put up a US Tower HDX-589 crank-up. UST recommends grouting
> the
> the space between the base plate and the top of the foundation block. I
> have purchased the proper non-shrink construction grout and am getting
> ready
> to do the job. But I'm concerned because I used this stuff to patch my
> house foundation before, and it sets up so quickly I'm not sure how much I
> should mix up at a time.
>
> Any suggestions?
>
> 73,
>
> Steve
> N6SJ
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