Section R. 408.15242 - Circular head sawRule 5242.
(1) A circular headsaw shall not be operated at a speed in excess of the manufacturer's rating, which shall be etched on the blade. A circular headsaw shall be equipped with guides to prevent blade wobble.(2) Horizontal distance from a circular headsaw blade to the nearest vertical husk part shall be at least 1 inch greater than the distance from the blade collar to the tip of the blade.(3) Behind a circular head saw blade, the saw shall be equipped with a spreader wheel or a splitter.(4) A splitter shall be constructed of tempered steel or its equivalent and shall not be thinner than the saw kerf.(5) The work station of an off-bearer shall be constructed to prevent the off-bearer from working closer than 42 inches from the saw blade.(6) The work station of the operator of a circular saw shall be enclosed as prescribed in R 408.15241(5).(7) If a circular headsaw has setworks that are manually operated or a carriage that is manually loaded, both of the following provisions shall be complied with: (a) A barricade or other positive stop of such strength to hold back a log shall be erected between the log deck and the sawyer.(b) The guard required at the sawyer station shall be a shield which is 36 inches high and which is between the operator and the saw with an extension of 3/8-inch plexiglass or material of equivalent strength of such height and width to protect the sawyer from flying objects.Mich. Admin. Code R. 408.15242