Rule 713. Tail rods and extension piston rods exposed to contact must be guarded pursuant to R 408.10751 to R 408.10754 or by a guardrail system in compliance with General Industry Safety and Health Standard Part 2. "Walking-Working Surfaces," as referenced in R 408.10702, which allows a clearance of not less than 15, nor more than 20, inches from the fully extended tail rod or extension piston rod.
Mich. Admin. Code R. 408.10713