(225 ILCS 710/45.39)
(from Ch. 96 1/2, par. 4292)
Ladderways shall be provided in all shafts in the course of sinking to within such a distance from the bottom as will secure them from
damages by blasting. From the end of such ladderways, chain, wire rope or
wooden extension ladders to reach to the bottom of the shaft shall be
provided. Provided, however, if shots are fired by electricity, ladders
shall not be required.
(Source: Laws 1945, p. 1035.)