[TowerTalk] deep base for MA-550

[Jim Rhodes]

Hold on here. Isn't the formula pi*r^2*h=v? My calc says about 78.5 cu ft 
or 2.9 cu yds.

Oh, I'm sorry. I just noticed the @stanford.edu.

At 05:18 PM 10/4/03, gdaught6 at stanford.edu wrote:
>On 4 Oct 2003 at 11:47, David Giuliani wrote:
>
> > I'm installing a concrete base for a Universal Towers MA-550.  The
> > mfg's dwg calls for a base 2.5' x 2.5' x 5' deep in undisturbed soil,
> > using 2.5 cubic yards.
>
>I calculate under 1.25 cubic yards for that hole.  You're going to
>have a LOT of concrete left over.  3' x 3' x 6' is two yards.
>
>73,
>
>
>
>
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Jim Rhodes K0XU
jim at rhodesend.net