United States Gypsum Company safety activity

Employee was removing old bits from the Trencor Surface Miner with a large chisel. While the employee was hitting the chisel with a hammer, the chisel became dislodged from the holder striking the employee in the nose.

The hoist operator reported a chute issue. Production supervisor was notified at 9:18AM that maintenance was going to check the chute. The time reached the 30 minute mark at 9:48AM and an evacuation order was given. MSHA hotline was then notified at 9:56AM. Excess material was not allowing the chute to close causing a fault to the PLC. No miners were injured.

The 3rd shift relief hoist man was performing a pre-shift inspection on the #2 emergency hoist. The hoist did not pass inspection on the caliper test for the braking system. Mine maintenance was notified and upon investigation it was determined that the brake chamber was faulty. 19

Employee was entering Volvo haul truck and felt a pop in their right knee on 3/12. Employee informed operator on 3/25 of the injury. Employee was seen by company doctor on 3/27 and released with no restrictions. Restrictions were instituted after employee consulted with their personal doctor and had a follow-up exam with the company physician on 4/10.

The 1st shift hoistman had an issue with the hoist the afternoon of 4/8. Upon investigation it appeared that there was possibly something wrong with one of the brake valves. After troubleshooting, it was noticed that the brake arm linear position transducer was damaged. The team is currently investigating alternative means of control until a new transducer can be acquired.

At around 5:10pm, employee was re-installing a cover plate after inspecting the inside of a rock transfer chute between two conveyor belts. All the fasteners on the cover plate were removed except the safety chain. As the employee was installing the first fastener, the plate slipped, and EE reacted by trying to catch the fall with EE's right hand.