R 408.40120 Work in hazardous spaces.

Rule 120. When an employee enters a hazardous space, such as a bin, silo, hopper, or tank, that contains bulk or loose material which could engulf the employee, the employee shall wear a safety belt or a safety harness and a lanyard affixed by a rope grab to a lifeline, all components of which shall be in compliance with Construction Safety Standard Part 45 “Fall Protection,” as referenced in R 408.40105. The uppermost elevation of the stored material shall not be higher than the shoulder height of the employee.