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Posted by CWatters on November 27, 2007, 4:26 am
> Hi John,
> Usually on a slope grade a foundation is roughly the depth of.....
> level out 5 feet from the grade and measure the distance to the ground at
5
> feet.
> The footing should be this depth plus 18 inches.....
> So if I leveled out from grade 5 feet and measured down to grade and had 2
> feet I would build a footing that was 3 feet 6 inches deep.
> This is rule of thumb and not necessarily engineered for your soil type.
> A person could build a retaining wall out at a distance and backfill this
to
> support the existing faulty condition also.....
> Good wishes.
> jloomis
Interesting. I think that's quite a bit shallower then we would dig here in
the UK on clay. Any trees around and you can be talking three times that
depth - in which case piled foundations usually work out cheaper.
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