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Re: [TowerTalk] Crank-up base

To: "'Mike Reublin NF4L'" <nf4l@comcast.net>, "'towertalk reflector'" <towertalk@contesting.com>
Subject: Re: [TowerTalk] Crank-up base
From: "Bob Farkaly" <bob@farkaly.com>
Reply-to: bob@farkaly.com
Date: Thu, 1 May 2014 10:05:09 -0400
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
Mike,

I think we went down to about 8 feet to accommodate the framing at the
surface. The hole was dug very cleanly (the backhoe operator played the
machine like a Stradivarius) so there was virtually no need for backfilling.



Bob
-----Original Message-----
From: TowerTalk [mailto:towertalk-bounces@contesting.com] On Behalf Of Mike
Reublin NF4L
Sent: Thursday, May 1, 2014 07:29
To: towertalk reflector
Subject: Re: [TowerTalk] Crank-up base

Thanks, Bob -

Did you go deeper than the 7 1/2 feet the book calls for? What was your
backfill?

Mike

On Apr 30, 2014, at 8:49 PM, Bob Farkaly <bob@farkaly.com> wrote:

> I had a ground water issue when I had my HG70HD installed in the sandy
soil in Poway near San Diego. The installer had to line the opening with
plywood sheets. He was careful about bracing the sheets after dropping the
base assembly into place. In place for 8 years and never a problem.
> 
> Bob K9RHY
> 
> 
> Bob Farkaly
> 
>> On Apr 30, 2014, at 20:20, Mike Reublin NF4L <nf4l@comcast.net> wrote:
>> 
>> I'm negotiating to get the base for my HG70-HD dug and poured. I have a
high water table, soil tends toward sandy, and an engineer said he would be
happier if the hole were 10' deep rather than the 7.5' called for in the
manual.
>> 
>> The concrete guys I'm talking to want to line the hole with plywood to
prevent collapse. One guy who does a lot of big sign installations says he
does it regularly, and there would be no stability issues.
>> 
>> I've read several times the pour needs to be into undisturbed soil, no
backfill, altho that's not in the manual.
>> 
>> What are the facts?
>> 
>> 73, Mike NF4L
>> 
>> 
>> _______________________________________________
>> 
>> 
>> 
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>> 

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