6' deep by 36" diameter footer hole


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Old 08-06-09, 05:58 AM
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6' deep by 36" diameter footer hole

I need to put in a footer for a small wind turbine. The specs call for 36" in diameter by 6' deep. I have a 23 horse Kubota tractor which is too small for an auger big enough to do this easily and I'd prefer not to dig this by hand. What are my other options?????
 
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Old 08-08-09, 03:08 PM
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You Need a standard backhoe. What the size of the wind turbine ? I wouldn't think the hole is going to be filled solid with Crete.If so I wonder what a wider less deep base would be more appropriate As long as the base doesn't rip out of the Crete a wider Crete footprint is usually the norm on my construction sites.

Need to remind you anything you dig in a hole past your waste needs/ has to be braced. Saw men lost in ditches already
 
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Old 08-08-09, 03:12 PM
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This has nothing to do with the question, but hopefully there is a well engineered connection that is tied to rebar reinforcement in the concrete. I was recently party to a similar project that had failed due to poor engineering and construction... the cement footings literally snapped like twigs during a high wind (wind shear during a thunderstorm) due to the lack of reinforcement and tie-in connections with the footers. TIMBER!
 
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Old 08-08-09, 07:05 PM
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I'm pretty sure you can get an auger attachment that size for use with a rented bobcat. It would be quick and easy. I second the opinion on the need for rebar reinforcement.
 
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Old 08-09-09, 11:30 PM
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Originally Posted by Pecos
I'm pretty sure you can get an auger attachment that size for use with a rented bobcat. It would be quick and easy. I second the opinion on the need for rebar reinforcement.
Hi Pecos. Never saw one that long/wide for a bobcat. They go as wide as 30" but He needs to reach 6 foot and what happens when a rock is hit?? Round holes that are dug like this one come on a fairly big ribber tire machine Bigger than a backhoe.
 
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Old 08-10-09, 12:01 PM
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21Boat,
yeah, I just checked the website and the augers are only 30" wide and dig 62" deep. A little shy on both dimensions.
 
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Old 08-10-09, 12:24 PM
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Not that we've heard back...but I think I'd be talking to the local utility company or a company that does contract work for them. Out here the PoCo will send there trucks out for all sorts of things like this.
 
 

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