30 CFR 57.19021
§ 57.19021 Minimum rope strength.
United States · 30 CFR — Mineral Resources · Status: effective
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- Citation
- 30 CFR 57.19021, § 57.19021 Minimum rope strength, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/133129
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Full text
At installation, the nominal strength (manufacturer's published catalog strength) of wire ropes used for hoisting shall meet the minimum rope strength values obtained by the following formulas in which “L” equals the maximum suspended rope length in feet:
(a) Winding drum ropes (all constructions, including rotation resistant).
(b) Friction drum ropes.
(c) Tail ropes (balance ropes).
Legislative history
This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.