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RE: Retaining wall question

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Maybe you should ask the soils engineer to clarify that in writing. My experience is that anything the soils engineer reports is subject to the factors of safety stated in the Code.

Mark E. Deardorff, SE
Deardorff & Deardorff, Inc.
Ramona, CA 92065

> -----Original Message-----
> From: Tarek [mailto:Tarek(--nospam--at)]
> Sent: Friday, March 31, 2000 8:05 AM
> To: seaint(--nospam--at)
> Subject: Retaining wall question
> Hi all;
> I am designing a 10' retaining wall where the soils report gives
> a passive value of 400 psf and a coef. of friction of 0.3 for bedrock.
> The report states that these are allowable design values and 
> have a factor
> of safety of question is whether this is the same safety factor
> required for sliding by the ubc, or are the ubc factors in addition?
> Tarek Mokhtar, SE
> Laguna Beach, CA.