Re: [TowerTalk] Fwd: Tower base/Ufer ground

[Jim Lux <jimlux@earthlink.net>]

On 5/17/14, 6:11 PM, Drax Felton wrote:
> What is the conductance per inch of concrete in mho's ?
http://www.k1ttt.net/technote/concrete.html
10-50 mS/m


> > On May 17, 2014, at 8:54 PM, Hans Hammarquist via TowerTalk 
> > <towertalk@contesting.com> wrote:
> >
> > The steel culvert in itself constitute a rather massive ground stake. The 
> > concrete is conductive so, yes, you can say you have a Ufer ground. With that 
> > very wet (high water table) land I can only assume you have a good ground.
> >
> >
> > Hans - N2JFS
> >
> >
> >
> > -----Original Message-----
> > From: Mike Reublin NF4L <nf4l@comcast.net>
> > To: towertalk reflector <towertalk@contesting.com>
> > Sent: Fri, May 16, 2014 8:39 am
> > Subject: [TowerTalk] Tower base/Ufer ground
> >
> >
> > I have a proposal from a contractor to pour the concrete into  a piece of 48"
> > diameter x 12' long piece of steel culvert capped on the bottom end with a
> > plywood disc. Very high ground water is the reason.
> >
> > Will this constitute a Ufer ground?
> >
> > 73, Mike NF4L
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