30 CFR 57.19100 : Mineral Resources (§ 1.1 To Parts 1291-1299) — (§ 1.1 To Parts 105-199) — Mine Safety And Health Administration, Department Of Labor (§ 1.1 To Parts 105-199) — Metal And Nonmetal Mine Safety And Health (§ 56.1 To § 58.620) — Safety And Health Standards - Underground Metal And Nonmetal Mines (§ 57.1 To Appendix I To Subpart T Of Part 57) — Personnel Hoisting (§ 57.19000 To § 57.19135) — Shafts (§ 57.19100 To § 57.19111) — Shaft landing gates.
4 Aug 2016
Shaft landings shall be equipped with substantial safety gates so constructed that materials will not go through or under them; gates shall be closed except when loading or unloading shaft conveyances.