30 C.F.R. § 56.10004 Brakes.
Title 30 - Mineral Resources
Positive-action-type brakes and devices which apply the brakes automatically in the event of a power failure shall be provided on aerial tramways.
Title 30: Mineral Resources
PART 56—SAFETY AND HEALTH STANDARDS—SURFACE METAL AND NONMETAL MINES
Subpart I—Aerial Tramways
§ 56.10004 Brakes.