On 5/7/2011 9:54 AM, Jim Lux wrote:
I called my local Rural Electric Company and they sent out an auger
truck and they had the 4 holes dug in a matter of minutes....... 1 for
the Rohn 45G tower and 3 guy-anchor post holes 8' deep. It was VERY
cheap too.... Like $60. Since the tower is in an open field, I just
spread the dirt wherever and it disappeared into the soil in a matter of
a couple years.
Chuck KØTVD
> that's a fairly popular way to do bases of things (traffic lights, etc.)
> here in southern California: minimum disruption of the surroundings,
> and compatible with working on a hillside. Historically, it's been more
> expensive to have a tall skinny hole drilled than to have a big cube
> dug, but that changes.
>
> You need to figure out how deep to drill, too. That depends on what the
> function of the base is. A guyed tower is resisting down forces mostly,
> and a little bit of shear. A self supporter has overturning forces
> trying to lever the base up out of the ground.
>
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