57. Where the compartment described in section 53 is served by ladderways or stairways, it shall be separated from other compartments of the shaft by a partition or protective screen, such that those persons travelling in the compartment will not be struck by the conveyance or the counterweight or be hit by rocks that may fall in the shaft.
In shafts sunk on or after 1 April 1993, the partition or protective screen shall be made of wood at least 35 mm (1.4 in) thick or of No. 9 AWG galvanized steel wire mesh, forming links of not more than 40 mm (1.6 in) on a side.
O.C. 213-93, s. 57; Erratum, 1993 G.O. 2, 2603; O.C. 1236-98, s. 8.