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Re: [TowerTalk] grounding quesitons: Ufer, strap, exothermic welds

To: Robert Harmon <k6uj@pacbell.net>
Subject: Re: [TowerTalk] grounding quesitons: Ufer, strap, exothermic welds
From: Jim Lux <jimlux@earthlink.net>
Date: Sun, 17 Apr 2011 08:59:46 -0700
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>

On Apr 17, 2011, at 8:19, Robert Harmon <k6uj@pacbell.net> wrote:

> Mat,
> 
> Sounds like a very good ground system.  I have a question on one thing.
> As part of your grounding system you mention connecting to the rebar.  I 
> assume this is the rebar cage that 
> will be cast in the concrete base.  I think this is a no,no.  A lightning 
> strike can 
> conduct thru the rebar and crack the concrete.  
> 
> 

The reported cases of spalling and cracking are with degraded or bad rebar/bolt 
installation, usually with some corrosion to allow water to penetrate the gap
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