Section R. 408.12162 - Blocks and safety stands for maintenanceRule 2162.
(1) An employer shall provide the following:(a) Chock blocks, support blocks, or jack stands for the maintenance department's use when repairing powered industrial trucks or their components.(b) Blocks or safety stands as a means of support for powered industrial trucks elevated from the floor by a hoist or chain fall.(2) When repairing a powered industrial truck, an employee shall use chock blocks, support blocks, or jack stands if there is a hazard from movement.(3) An employee shall not place his or her body under a powered industrial truck unless the powered industrial truck is supported by properly arranged blocks or jack stands capable, in total, of supporting a minimum of 1 1/2 times the weight of the component of the truck to be repaired.Mich. Admin. Code R. 408.12162