R 408.14249 Board drop hammers.

Rule 4249. (1) On a board drop hammer a guard constructed of 20 gauge sheet steel or stronger must be provided around the board above the rolls to prevent the board from falling if the board breaks or comes loose from the ram. (2) Where work must be done at or near the rolls of a board hammer, a fixed or portable platform equipped with a guardrail system must be provided and used in compliance with General Industry Safety and Health Standard Part 2. “Walking-Working Surfaces,” being R 408.10201 to R 408.10241 of the Michigan Administrative Code. (3) Roll release levers and front friction rods on a board hammer must be prevented from falling by being secured to the hammer frame by cable, chain or an equally effective means.