Section R. 408.10722 - ShaftingRule 722.
(1) Shafting exposed to contact 7 feet or less above a floor or platform level shall be guarded pursuant to R 408.10751 to R 408.10754.(2) Horizontal shafting extending over a driveway shall be guarded with a trough guard unless it is located 15 feet or more above the driveway or is a part of an overhead traveling crane.(3) Horizontal transmission shafting exposed to contact under benches shall be guarded in 1 of the following ways: (a) Be completely enclosed.(b) Be guarded by a trough guard. The sides of the trough shall come to the underside of the table or, if the shafting is located near a floor, to the floor.(c) Be guarded on exposed sides with a rigid shield guard extending from the underside of the bench top to 2 inches below the line of shafting.Mich. Admin. Code R. 408.10722