Section R. 408.11422 - CounterweightsRule 1422.
(1) A counterweight and its pulleys shall be enclosed pursuant to General Industry Safety Standard Part 7 "Guards for Power Transmission," as referenced in R 408.11402.(2) A counterweight and its pulleys suspended more than 7 feet above the floor or ground, in an area where an employee could walk, shall have an enclosure around the area of impact or a catch pan under the counterweight of such strength and design to hold the counterweight and pulley from dropping to the ground, floor, or platform.(3) A counterweight attached to an arm shall have a bolt fastened near the end of the arm or a cable or chain attached to the counterweight to prevent its dropping off the arm.Mich. Admin. Code R. 408.11422