- (a) The clutch of a free-drum on a personnel hoist should be provided with a locking mechanism or interlocked with the brake to prevent accidental withdrawal of the clutch.
- (b) Cages used for hoisting persons should be constructed with the sides enclosed to a height of at least six feet and should have gates, safety chains, or bars across the ends of the cage when persons are being hoisted or lowered.
- (c) Self-dumping cages, platforms, or other devices used for transportation of persons should have a locking device to prevent tilting when persons are transported.
- (d) An attendant should be on duty at the surface when persons are being hoisted or lowered at the beginning and end of each shift.
- (e) Precautions should be taken to protect persons working in shaft sumps.
- (f) Workers should wear safety belts while doing work in or over shafts.
[48 FR 53239, Nov. 25, 1983]