Definitions by SAYED

Cal/OSHA 

California Occupational Safety and Health Act of 1973.

Inspector to Contractor:
Please follow the Cal/OSHA safty measures for woking in the trench deeper than 5 feet.
(They need to use Shoring and ladder or excavate in steps to prevent slide/caving...)

Cal/OSHA by SAYED January 13, 2008