30 C.F.R. § 57.11036 Ladderway trap doors and guards.
Title 30 - Mineral Resources
Trap doors or adequate guarding shall be provided in ladderways at each level. Doors shall be kept operable.
Title 30: Mineral Resources
PART 57—SAFETY AND HEALTH STANDARDS—UNDERGROUND METAL AND NONMETAL MINES
Subpart J—Travelways and Escapeways
Travelways—Underground Only
§ 57.11036 Ladderway trap doors and guards.
