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Hoist accelerated into overspeed mode and stopped. The hoist was removed from service immediately and all persons withdrawn from the mine via the Decline. Repairs were made to the electronic controls and the hoist returned to service for the evening shift on 08/10/2008.
During weekly performance testing and routine maintenance, one of the brakes overheated and locked on the Timberland Hoist situated at #10 Shaft. All miners working underground were safely evacuated to the surface via #8 Shaft. After the brake was allowed to cool, it was adjusted, tested, and the hoist returned to service.
This employee stated his back began to hurt after driving a haulage truck on rough roads.
A fire occurred on a road grader. The mine was evacuated with no injury to any person. The fire was allowed to extinguish itself. Air quality checks were made throughout the mine prior to miners being allowed to return underground.
This employee was using a sawzal to cut all thread while installing a pump starter. The sawblade jammed, resulting in the employees left pinkie finger being pinched between the saw caging and a piece of uni-strut.
#3 Hoist computer allowed the hoist to overspeed to more than 300 feet per minute total. The hoist safeguards immediately stopped the hoist. The computer was reset and the fifteen employees within the cage were brought to the surface. After successful function testing the hoist was returned to service.
This employee sliped and fell as she attempted to wash out a chute. She lacerated her left hand.
A rock fell from the face and struck this employee's right knee, as he scooped a sample of drill cuttings.
This employee was sitting in a maintenance utility vehicle passenger seat with his hand in the door opening. As he looked over his left shoulder, the vehicle door closed on his right index finger.
A broken spring was found during the preshift hoist inspection. No persons were underground. While the hoist still was capable of functioning, it was downed for repairs. The hoist was returned to service after the spring was repaired and proper function tests were successfully performed.
This employee was struck on the head and shoulders by a falling rock as he attempted to change a drill bit.
This employee said he reinjured a repaired hernia while installing a truck tire. After an investigation by the workers compensation insurance carrier it was determined that the injury was reportable as of August 26, 2008.
This employee injured his left, middle finger when he pulled a 5/16" chain from the back of a tractor carrier. The chain hung and jerked his finger when it unexpectedly stopped.
During pre-shift testing, #3 Service Hoist Computer recorded an inadequate brake test. The hoist was removed from service. No persons were underground. Further investigation revealed a failed hoist servo. When repairs are completed and hoist fully tested and found safe, it will be returned to service.
This employee pinched two fingers between a door and door frame on a blasting rig when the door closed.
This employee slipped and fell to the same level as he dismounted a service truck. He twisted his knee on a plastic discharge pipe. He later requested medical evaluation and was placed on restricted duty on April 23, 2008.