[TowerTalk] Compacted vs. Undisturbed Soil

[Bill Aycock]

It does not matter what opinion the very BEST on TT has, the one that counts 
is that of the Permitting authority. Ask them. What they say is the Gospel. 
And- check the Bond carried by your Contractor. He IS bonded, isn't he?
Bill-W4BSG

----- Original Message ----- 
From: "Dick Flanagan" <dick at k7vc.com>
To: <towertalk at contesting.com>
Sent: Monday, April 27, 2009 1:53 PM
Subject: [TowerTalk] Compacted vs. Undisturbed Soil


>A friend of mine is installing his first tower.  It is a US Tower
> HDX454.  (I thinks that's the right number.  I have an HDX572 and his
> is the next one shorter than mine.)
>
> He had the tower specs checked by a local PE for the requisite wet
> stamp needed for his building permit.  The PE calculated and
> specified a tower footing of 5'x5'x7.5' in undisturbed soil.
>
> His contractor dug him a 10'x10'x8' hole and is going to put a
> 5'x5'x8' plywood frame in the hole enclosing the rebar cage.  He is
> then going to fill the frame with concrete and when it cures is going
> to remove the frame and back-fill the hole with compacted soil.
>
> My friend is being told that properly compacted back-fill is the
> equivalent of undisturbed soil.  Is that true??
>
> Dick
> --
> Dick Flanagan K7VC
> dick at k7vc.com
>
>
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