On September 8, 2016, a 58-year old Haul Truck Operator with 23 years of experience was killed at a granite mine. The victim was operating a Caterpillar 773E haul truck and was returning to the pit to be loaded with shot rock. The truck veered from the right side of the haul road to the left and traveled over the berm at the top of the highwall. The truck landed upside down approximately 150 feet below. The victim was found outside the haul truck.
Best Practices
- Always wear a seat belt when operating a haul truck or mobile equipment.
- Conduct thorough, in depth task training to cover potential hazards.
- Monitor employees regularly to ensure seat belts are worn when operating mobile equipment.
- Emphasize that improperly worn seat belts can NOT provide the proper restraint to necessary to protect equipment operators in hazardous situations.
- Conduct pre-operational checks to identify defects that may affect the safe operation of equipment before being placed into service.
- Observe all speed limits, traffic rules, and ensure that grades on haulage roads are appropriate for haulage equipment being used. Maintain control and stay alert when operating mobile equipment.
- Provide and maintain adequate berms and other barriers of mid-axle height.
- Perform safety inspections that include braking systems and seat belts before operating equipment; promptly remove equipment from service if defects affecting safety are found.
Click here for: MSHA Preliminary Report (pdf), MSHA Investigation Report (pdf), Overview (pdf).
On July 25, 2016, a 59 year old Excavator Operator, with 17 years of experience, was killed at a limestone quarry. Prior to the accident, the victim was loading shot rock into haul trucks. While waiting for the haul trucks to return, the victim was separating out over sized rocks when the cab of his excavator was struck by falling material from the highwall.
On March 22, 2016, a 42-year old lead man with 6 years of mining experience was fatally injured at a surface limestone mine when he was struck by fly rock from blasting operations. The lead man was parked in his pickup truck at a location to prevent others from accessing the blasting site. He was approximately 1,200 feet from the blast area.





