(225 ILCS 705/30.02)
(from Ch. 96 1/2, par. 3002)
At or near working faces, each operator shall provide props,
roof bolts, caps, or other timbers for the proper securing of all working
places. Temporary safety props, jacks, roof bolts, or cross bars shall be
set close to the face whenever necessary to make the roof safe.
(Source: Laws 1957, p. 2413.)