S-2.1, r. 14 - Regulation respecting occupational health and safety in mines

Full text
59. Any workplace in a shaft shall be accessible by a stairway, a rigid ladder or a motorized device for the transport of persons independent of the hoist.
When a shaft is being sunk, auxiliary ladders made of rigid sections longer than 1 m (3.3 ft) are permitted between the permanent ladders or the motorized device for the transport of persons and the bottom of the shaft.
O.C. 213-93, s. 59.