30 C.F.R. § 57.19070 Closing cage doors or gates.
Title 30 - Mineral Resources
Cage doors or gates shall be closed while persons are being hoisted; they shall not be opened until the cage has come to a stop.
Title 30: Mineral Resources
PART 57—SAFETY AND HEALTH STANDARDS—UNDERGROUND METAL AND NONMETAL MINES
Subpart R—Personnel Hoisting
Hoisting Procedures
§ 57.19070 Closing cage doors or gates.
