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RE: excavation

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One method that was allowed by OSHA the last time I used it was to have a geotech make a recommendation on the soils stability.  We used trenches 8 Feet deep after a soils investigation confirmed that that was suitable and safe.  The geotech report was considerably cheaper than the shoring.  And even if the soils didn't "calc out", we still wound up with a good soils report on which to base the shoring design.

Bob Garner, S.E.

-----Original Message-----
From: Lloyd Pack [mailto:packman90(--nospam--at)qwest.net]
Sent: Thursday, July 26, 2007 10:24 AM
To: seaint(--nospam--at)seaint.org
Subject: Re: excavation

On 25 Jul 2007 at 13:20, Bob Freeman wrote:

>
> Chris:
>
> In California I understand that any excavation 5(tm)-0? deep and deeper
> needs shoring. I would confirm that with the OSHA documents. I also
> understand that the fine for not shoring according to code is
> substantial.
>
> Respectfully,
> Bob Freeman
> Architect
> Structural Designer
> Integrated Design Services, Inc.
> (949) 387-8500
>

Hello Bob,

I was told that OSHA was okay with depths greater
than 5 ft. if the width of trench was twice as wide as
it is deep.  So if this is true and the cost of shoring
would be much more than the cost of the excavator,
then wider trenches might be an option.

Take Care,
Lloyd

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