30 C.F.R. § 57.19019 Guide ropes.
Title 30 - Mineral Resources
If guide ropes are used in shafts for personnel hoisting applications other than shaft development, the nominal strength (manufacturer's published catalog strength) of the guide rope at installation shall meet the minimum value calculated as follows: Minimum value=Static Load×5.0.
Title 30: Mineral Resources
PART 57—SAFETY AND HEALTH STANDARDS—UNDERGROUND METAL AND NONMETAL MINES
Subpart R—Personnel Hoisting
Wire Ropes
§ 57.19019 Guide ropes.
