Cal. Code Regs. tit. 8, § 6579
(b) Where the difference in elevation is more than eighteen inches (18″) between the ground, working levels, platforms or floors, access shall be provided by means of a stairway, ladder, ramp, walkway or a combination of these at the following locations:
(e) Derrick and mast floors shall have at least one (1) means of access provided if the derrick or mast floor is over eighteen inches (18″) but less than ten feet (10′) above the ground level, and two (2) means of access if ten feet (10′) or more above ground level.
The two (2) means of access shall be remotely located with respect to each other so that they will provide an alternate means of escape in case of an emergency. One (1) means of access shall be provided by a stairway, ramp, walkway, or a combination of these. A ladder may be used as the other means of escape.
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 section and Note filed 5-8-95; operative 6-7-95 (Register 95, No. 19).