Section R. 408.15144 - Rollover protection and cab guardsRule 5144.
(1) Each tractor, skidder, swing yarder, log stacker, and mechanical felling device, such as a tree shears or feller-buncher, that is placed into initial service after February 9, 1995, shall be equipped with falling object protective structure (FOPS) or rollover protective structure (ROPS), or both. The employer shall replace FOPS or ROPS that have been removed from any machine. Exception: This requirement does not apply to machines that are capable of 360 degree rotation.
(2) For each machine manufactured after August 1, 1996, the FOPS shall be installed, tested, and maintained in accordance with SAE J231, "Minimum Performance Criteria for Falling Object Protective Structures (FOPS)," January 1981 edition, as adopted in R 408.15102.(3) For each machine manufactured after August 1, 1996, the ROPS shall be installed, tested, and maintained in accordance with SAE J1040, "Performance Criteria for Rollover Protective Structures (ROPS) for Construction, Earthmoving, Forestry, and Mining Machines," April 1988 edition, as adopted in R 408.15102.(4) For each machine manufactured after August 1, 1996, the ROPS and FOPS shall be in compliance with the requirements of SAE J397, "Deflection Limiting Volume-ROPS/FOPS Laboratory Evaluation," April 1988 edition, as adopted in R 408.15102.(5) A protective structure shall not impede the operators normal movements.(6) In addition to the rollover protection, the upper portion of the cab of mobile equipment shall have both of the following: (a) A screen brush guard on all 4 sides, except for doorways. The front, rear, and side brush screen shall be 1/4-inch wire, or equivalent, and have not more than a 2-inch mesh.(b) An overhead canopy guard or solid material that extends the full width and length of the canopy.(7) The lower portion of a cab of mobile equipment shall be enclosed with solid material, except at an entrance, to prevent objects from entering the cab. The entrance shall be not less than 52 (1.3m) inches in vertical height from the floor of the cab.(8) An enclosure of the upper portion of each cab shall allow maximum visibility. Where glass is used on a cab, it shall be safety glass or an equivalent. An additional metal screen shall be used where there is exposure to falling or flying objects. Provision shall be made to clean glass to assure adequate visibility.
(9) Transparent material that may create a hazard for the operator, such as cracked, broken, or scratched safety glass, shall be replaced.(10) A deflector shall be installed in front of each cab to deflect whipping saplings and branches. A deflector shall be located so as not to impede visibility and access to the cab.(11) Each machine operated near cable yarding operations shall be equipped with sheds or roofs that are strong enough to provide protection from breaking lines.(12) Each forklift shall be equipped with an overhead guard that is in compliance with the requirements of ASME B56.6 "Safety Standard for Rough Terrain Forklift Trucks," 1992 edition with addenda, as adopted in R 408.15102.(13) Machine access systems that are in compliance with the specifications of SAE J185, "Recommended Practice for Access Systems for Off-Road Machines," June 1988 edition, as adopted in R 408.15102, shall be provided for each machine where the operator or any other employee must climb onto the machine to enter the cab or to perform maintenance.(14) Each machine cab shall have a second means of egress.(15) ROPS shall be tested, installed, and maintained in serviceable condition.Mich. Admin. Code R. 408.15144
1979 AC; 1989 AACS; 1996 AACS; 2014 AACS; 2017 MR 4, Eff. 3/2/2017