StacksVerified U.S. regulatory reference

30 CFR §57.19019

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
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.