About 15 years ago I purchased a Rohn 65G tower with a pier pin base. The
drawings showed a bearing plate, but one was not included with my tower
package. I called Rohn and I was told that it was not needed for my
installation so I set the tower right on the concrete.
John KK9A
To: towertalk@contesting.com
Subject: [TowerTalk] Bearing plate for pier pin foundation?
From: "Brian Machesney"
Date: Mon, 6 Oct 2008 10:35:41 -0400
To the tower knowledgeable:
Rohn's mechanical drawing of concrete bases for guyed towers shows a
"bearing plate" on top of the concrete base, apparently concentric with the
pier pin. I can't find such an article - the only references I find to a
"bearing plate" are mounting arrangements for a thrust bearing.
Is this a drawing error?
Do I need to place something between the pier pin base assembly and the
concrete?
Can someone recommend a substitute?
I finally had concrete poured last week, so I'm gearing "up" for some fun!
Thanks,
Brian K1LI
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