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(a) Every cellar and shaft and every stairway, ramp, runway, and ladder providing entry to a cellar or shaft shall be constructed and maintained to conform to good engineering practice.
(b) When employees are required to be in a cellar or shaft, the cellar or shaft and the exits from it shall be kept reasonably free from water, oil, drilling fluid and other like substances that may endanger the employees.
(c) When employees are at work in a cellar or shaft, no loose equipment or material shall be kept in the cellar or shaft or exits except what is in use or about to be used.
(d) The depth of a cellar shall be the vertical measurement between the lowest point of the floor area in the bottom of the cellar and the lowest point of ground or finished surface adjacent to the top of the cellar wall.
NOTE: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
1. Amendment filed 7-20-59; effective thirtieth day thereafter (Register 59, No. 12).
2. Amendment of subsection (a) and Note filed 5-8-95; operative 6-7-95 (Register 95, No. 19).