Last month, my son dug a specified 5 X 5 X 7 ft. hole for my HDX555. It ended
up being more like 6 X 6 X 8, but a bigger hole is never worse in this case. It
only hurts you in the pocket book (I had to pay $85 /yard for 3000 psi concrete
delivered and the hole gulped up 9 of the 10 yards delivered).
We used a small diesel powered digger that you rent at the local rental place.
It had a 24 in. wide bucket. Our only problem was it was straining hard to get
much over the 7 to 8 ft. depth, but it did the job. The overall cost was less
than $300 over the weekend (always do that, as you most always get a free day
in Sunday). We only had to touch up the sides a little with a shovel to make it
Tower is up and looks pretty!
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