Section R. 408.11427 - Safety factorsRule 1427.
(1) Structural supports of a conveyor shall be designed and constructed with a minimum design safety factor of at least 3 which shall include static and dynamic loads.(2) A hook or carrier used on a monorail and a trolley conveyor to carry objects shall be designed with a minimum safety factor of 5 and maintained to hold the object or carriers without creating a hazard.Mich. Admin. Code R. 408.11427