30 CFR 57.19019 - Guide ropes.
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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 published on 2013-07-01
no entries appear in the Federal Register after this date.