I had the septic tank guy dig the hole for my tower when the house was
built, and it came out perfect size and plumb sides. I guess digging
septic tank holes is pretty close to the same thing.
Jerry, K4SAV
K7LXC@aol.com wrote:
>
>In a message dated 12/4/2007 5:45:18 P.M. Pacific Standard Time,
>towertalk-request@contesting.com writes:
>
>
>
>> My concrete guy gave me a fixed-price quote for the hole for my HDX-555.
>>
>>
>The hole was supposed to be 5x5x7 but ended up significantly larger, so
>he simply poured more concrete: 9yds instead of 6.5. Perhaps he had
>already allowed for that possibility when he quoted, but I still paid
>only what he quoted.
>
> When it comes to excavation, my experience has been they come out bigger
>all the time - I'd say 80-90% of the time. Backhoes are not precision
>implements and then you have soil problems with sloughing. Your experience is
>pretty typical. Shame on your contractor for underestimating the job.
>
> OTOH I did a job in Oregon where we removed 8 or so yards or dirt and
>there wasn't a single rock in it. And the sides were totally plumb. It was
>beautiful. And easy for a change.
>
>Cheers,
>Steve K7LXC
>TOWER TECH
>
>
>
>
>
>
>
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