Section R. 408.16541 - Mill safety devicesRule 6541.
(1) Except where an employee cannot come in contact with a roll nip point or be caught between a roll and an adjacent object because of a fixed installation, a mill shall be provided with 1 of the following safety trip devices to actuate braking equipment:(a) A pressure sensitive bar which can be tripped by not more than a 40-pound pressure of an employee's body. The bar shall be installed at the front and back of the mill across the length of the rolls of each mill roll having a height of 46 inches or more. (See figure 1)(b) A safety rod or safety cable installed at the front and back of a mill and located within 2 inches of a vertical plane tangent to the front and rear rolls. The safety rod or cable shall not be more than 72 inches from the floor of the operator's work level and operate with either a push or pull motion.(2) A mill having automatic overhead blending rolls shall have the blender interlocked to the mill so that actuation of the mill safety device will stop the blender.(3) A safety device, after actuation, shall require manual resetting.(4) A laboratory mill may be guarded by an interlocked barrier in lieu of the requirements of subrule (1). Click Here To View Image
Mich. Admin. Code R. 408.16541