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District 8 - Coal Mine Safety and Health
Info-Grams and Close Call Accidents


Info-Grams
Close Call Graphic
Department of Labor
Mine Safety and Health Administration

Accident Info-Gram
JANUARY 2002

Truck Rollover Accident

On January 9, 2002, a truck rollover accident occurred at a surface mine in District 8. A 150-ton Caterpillar 785B haul truck was being operated on the second shift at the spoil area of the pit when the accident occurred. The haul truck operator was hauling dirt from the east end of the pit to the spoil area, which was near the center of the pit. The operator backed the haul truck over the berm at the dump area. After overturning two or three times while traveling approximately 240 feet down the slope, the truck landed on its wheels in the pit floor. The spoil was soft clay dirt on an approximate 30-degree angle. The operator was wearing a seat belt, and he stayed inside the cab as the haul truck overturned down the slope. A broken bone near the operator's eye and a few cuts were his only injuries. Except the passenger's side window, all of the haul truck's cab glass was broken out. Subsequent inspection of the haul truck did not reveal any deficiencies. Inspection of the dumping location indicated that the berm was inadequate to prevent over travel and overturning.
Truck Rolling Over
BEST PRACTICES
  • Adequate berms should be constructed and maintained at all elevated dumpsites.
  • Trucks should back perpendicular to the berm and not run up on the berm when dumping.
  • All personnel, who operate or ride in mobile equipment, should wear seat belts at all times the equipment is in motion.

This information was provided by concerned miners in an effort to eliminate accidents. Accident or "close call" information within District 8 may be shared by contacting the MSHA office at (812) 882-7617.