SC Pressure And Process Piping Practice Questions - South Carolina Pressure And Process Piping Contractor Examination Exam

No ladder is required until the trench reaches 20 ft A stairway, ladder, or ramp in trenches 4 ft deep or more, so that no worker travels more than 25 ft laterally to an exit One ladder at one end of the 60-ft run is always enough Workers may climb the spoil pile instead of a ladder