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CFR > Title 30 - Mineral Resources > CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR > SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH (parts 56 to 58) > PART 57—SAFETY AND HEALTH STANDARDS—UNDERGROUND METAL AND NONMETAL MINES > SUBPART I—Aerial Tramways (§57.10001 to §57.10010) > 57.10004—Brakes.
57.10004—Brakes.
Positive-action-type brakes and devices which apply the brakes automatically in the event of a power failure shall be provided on aerial tramways.