30 C.F.R. § 57.19110 Overhead protection for shaft deepening work.
Title 30 - Mineral Resources
A substantial bulkhead or equivalent protection shall be provided above persons at work deepening a shaft.
Title 30: Mineral Resources
PART 57—SAFETY AND HEALTH STANDARDS—UNDERGROUND METAL AND NONMETAL MINES
Subpart R—Personnel Hoisting
Shafts
§ 57.19110 Overhead protection for shaft deepening work.
