[TowerTalk] Crank-Up Tower Base Question

[John Ammeter]

I just installed a TX-472 at my QTH.  It called for a hole 4' x 4' x 7' 
deep.  I used my Kubota BX23 tractor and backhoe to dig down to 5 1/2' 
feet.  That was the deepest the backhoe would dig and I went the rest of 
the way by hand using a small jackhammer, bucket for the dirt and the 
tractor's front loader to lift the 100 pound full bucket out of the 
hole.   My soil is pretty much clay type hardpan.

I put a form around the top of the hole and a little bit larger in width 
than the hole.  I used 5 yards of concrete to fill the hole and form.

John KE7JGB

RICHARD SOLOMON wrote:
> I plan to install an LM-470 in the near future. The base specs are 3'6 X 3'6 X 7 feet. A note
> on the drawing mentions ..."undisturbed soil"... . The Backhoe Operator tells me the hole he
> digs will be more like 6' X 6' and the will use concrete forms to reduce it to the required size.
> After the forms are removed, they will backfill the hole.
>  
> What do you folks think of that plan ? 
>  
> Thanks, Dick, W1KSZ/7 
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