Section R. 408.12017 - Hoisting brakes; equipment handling molten metalRule 2017.
(1) Each independent hoisting unit on a crane or monorail hoisting equipment handling molten metal shall be equipped with not less than 2 holding brakes.(2) A single brake is permitted where a hot metal monorail hoist is equipped with physical stops limiting ladle travel.Mich. Admin. Code R. 408.12017