53. Any shaft exceeding 30 m (98.4 ft) in depth shall be divided into 2 or more compartments, including one reserved exclusively for travel by persons using ladderways, stairways or a motorized device for the transport of persons independent of any hoisting plant.
Despite the foregoing, any new shaft dug as of 4 December 2014 that exceeds 500 m (1.640 ft) in depth must be served by a motorized device for the transport of persons or another motorized means of transport.
O.C. 213-93, s. 53; O.C. 963-2014, s. 2.