(225 ILCS 705/5.17)
(from Ch. 96 1/2, par. 517)
He or his assistant shall, at least once a week, examine the
escapement shaft and the roadways leading thereto and all other openings
for the safe exit of men to the surface; and shall make a record of any
obstructions or other unsafe conditions existing therein, and cause the
same to be promptly removed.
(Source: Laws 1953, p. 701.)