Over deze norm
1.1 This practice covers the inspection of underground precast concrete utility structures designed and manufactured in accordance with Practice C 857
1.2 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
|Engelse titel||Standard Practice for Inspection of Underground Precast Concrete Utility Structures|