Section R. 408.18143 - Pan-cooling towersRule 8143.
(1) A pan-cooling tower extending more than 1 floor in height shall have a stop switch at each floor. The conveying means shall be restarted only at the location where stopped or at the main source after the stopped switch has been reset.(2) Sides of a pan-cooling tower not used for loading and unloading shall be enclosed or barrier guarded to a height of 8 feet.Mich. Admin. Code R. 408.18143