Subjgrp 201. Shafts
- § 57.19100 - Shaft landing gates.
- § 57.19101 - Stopblocks and derail switches.
- § 57.19102 - Shaft guides.
- § 57.19103 - Dumping facilities and loading pockets.
- § 57.19104 - Clearance at shaft stations.
- § 57.19105 - Landings with more than one shaft entrance.
- § 57.19106 - Shaft sets.
- § 57.19107 - Precautions for work in compartment affected by hoisting operation.
- § 57.19108 - Posting warning signs during shaft work.
- § 57.19109 - Shaft inspection and repair.
- § 57.19110 - Overhead protection for shaft deepening work.
- § 57.19111 - Shaft-sinking ladders.