Kent,
I hit sandstone at about 18" under the cut level my house was built on.
I didn't think to check with anyone about the stability of the sandstone
versus loose sand, since I just assumed it would be better than the
loose sand. The SLO County building inspector didn't seem have a
problem with it when he surveyed it before the pouring of the concrete.
One nice feature of the sandstone is I didn't have to worry about
forming up the sides of the hole. It sounds like your area of Arroyo
Grande is similar to this area of Nipomo, as far as the sandstone just
below the surface.
73, Bill
N6WS
On 04/15/2015 08:43 AM, Kent Olsen wrote:
Hi all
I am putting up a used US Tower HDX-572MDPL. I started digging the hole
(yes by hand) and got about 2 1/2 feet down and I hit sand stone. My
neighbor who has a back hoe and has done a lot of digging in my area says
he can dig the hole. My question is will the sand stone be much more stable
than just the soil? Is there any thing I need to do because of the sand
stone as far as the foundation?
Thanks
73
Kent
K6DKO
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