[TowerTalk] Square Hole or Round Hole for Self Supporter?

Patrick Greenlee patrick_g at windstream.net
Sat Jan 20 14:17:21 EST 2018

No. If you can get a hole drilled vice dug go for it.  I was offered 
factory made rebar cages suitable for either, take your pick.  I chose 
square and backhoe over round and drilling as the lowest bid I got on 
drilling a 5 ft diameter hole was $2000. Extra concrete due to backhoe 
precision was way under $2000.  Back hoe cost $80. The drilling folks 
wanted me to be liable for any teeth they might break.

Patrick        NJ5G

On 1/20/2018 1:01 PM, Richard Thorne wrote:
> I have an HDX-589.  I'm in the planning stages for getting the tower 
> installed.
> I ran across a driller yesterday that can drill the 10' deep hole to a 
> diameter of 7'  (87" to be exact).
> We have excellent soil here for self supporting towers, caliche. 
> Digging by hand is out and using a back hoe would probably make an 
> over size hole.
> Is there a reason not to use a cylinder vs a square hole?
> Rich - N5ZC
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