Tilden Mine — Accidents

Total: 773 accidents | Fatalities: 1

Date Classification Injury Days Lost Narrative
02/06/2026 SLIP OR FALL OF PERSON DAYS RESTRICTED ACTIVITY ONLY 6d restricted An employee fell while walking. While attempting to catch themselves, they sustained lacerations to their left hand and chin.
01/25/2026 HANDLING OF MATERIALS DAYS AWAY FROM WORK ONLY None An employee positioning a used return roller for a conveyor pinched their left index finger, resulting in a laceration and sutures.
11/29/2025 OTHER INJURIES DUE TO NATURAL CAUSES None Employee experienced a presumed personal medical emergency at the start of their shift resulting in cardiac arrest. Emergency services responded, however, resuscitation efforts were unsuccessful.
11/27/2025 SLIP OR FALL OF PERSON DAYS AWAY FROM WORK ONLY None Employee arrived to work for the start of day shift. On their way into the truck shop from their personal vehicle, the employee slipped and fell on ice in the parking lot and broke their hip. Employee...
11/11/2025 HANDLING OF MATERIALS DAYS AWAY FROM WORK ONLY None Employee was making a shovel cable connection when the cable rolled, pulling the employee's left arm forward. The employee experienced left arm pain and was evaluated at the local ED where images reve...
11/03/2025 HANDLING OF MATERIALS DAYS AWAY FROM WORK ONLY 2d lost Employee was hosing in the crusher bowl when the employee tripped and fell landing on their left knee. Employee continued to work and felt something running down their leg when they observed a cut bel...
10/09/2025 ENTRAPMENT ACCIDENT ONLY None A single miner was involved in an elevator entrapment when an elevator malfunction occurred. Miner was safely removed and the elevator was repaired, inspected and returned to service.
09/12/2025 FIRE ACCIDENT ONLY None A fire occurred on a Komatsu 930E Surface Mining truck. The area was secured to prevent harm from potential hazards for the duration of the exposure. External fire response agencies were immediately c...
09/05/2025 HANDTOOLS (NONPOWERED) NO DYS AWY FRM WRK,NO RSTR ACT None Employee was removing hardware from shovel dipper using a hammer when a piece of the hammer head broke off striking the employee in the left glute. The employee was seen in the ED where they received...
08/26/2025 HANDLING OF MATERIALS NO DYS AWY FRM WRK,NO RSTR ACT None An employee attempting to clear a jammed chain for a chain fall sustained a fracture to their left index finger.
08/21/2025 MACHINERY DAYS RESTRICTED ACTIVITY ONLY 1d restricted While positioning a pinion for install for the Pebble Mill, an employee's finger was pinched between the pinion and a liner bolt on the Pebble Mill. The employee sustained a laceration to their left i...
07/23/2025 HANDLING OF MATERIALS DAYS AWAY FROM WORK ONLY None Employee sustained and unknown injury to the left forearm while manipulating a lifter bar from the inside of the #1 Balling Mill.
06/03/2025 HANDLING OF MATERIALS NO DYS AWY FRM WRK,NO RSTR ACT None While moving a troughing roller frame assembly on 10 Conveyor, Line 3 in the Tilden plant, an employee pinched left thumb resulting in a laceration requiring 2 sutures.
04/11/2025 HANDLING OF MATERIALS DAYS RESTRICTED ACTIVITY ONLY 17d restricted Employee reported pain in their left shoulder while moving a case of boosters from a service truck to a cart. Employee was later prescribed restrictions 4-17-2025.
04/04/2025 HANDLING OF MATERIALS NO DYS AWY FRM WRK,NO RSTR ACT None On 4/5/2025, an incident was reported where an employee took off their hard hat to brush away dust, subsequently getting material in their left eye. The employee had reported the incident their follow...
03/17/2025 HANDTOOLS (NONPOWERED) DAYS RESTRICTED ACTIVITY ONLY 10d restricted While installing the #8 Support shaft, the safety holdback rigging was in place and not utilized. This allowed the support shaft to slip and pinch the employee's calf between the shaft and shaft supp...
02/24/2025 SLIP OR FALL OF PERSON DYS AWY FRM WRK & RESTRCTD ACT 11d lost, 88d restricted An employee was ascending a stairwell prior to the start of their shift when the employee experienced a personal medical issue. The employee subsequently tripped and experienced a stair fall impact su...
02/19/2025 MACHINERY DAYS AWAY FROM WORK ONLY None Shovel operator stated jarring their left shoulder while operating the shovel mining out a ramp, and experienced left shoulder pain on 02/19/2025. Employee has a history of left shoulder injury. Emplo...
01/30/2025 POWERED HAULAGE DAYS AWAY FROM WORK ONLY 3d lost Caterpillar 988K wheel loader was maintaining a shovel dig site when the left rear corner of the loader was contacted by loose material that fell from the dig face. The loader operator reported neck a...
01/17/2025 HANDTOOLS (NONPOWERED) NO DYS AWY FRM WRK,NO RSTR ACT None Employee was racking brick in kiln. While holding a brick, EE hit left hand with the rawhide hammer, breaking EE's middle finger.
01/09/2025 HANDLING OF MATERIALS DAYS RESTRICTED ACTIVITY ONLY 24d restricted While attempting to remove a wrapper rod, it fell down and struck employee in the right hand.
01/08/2025 HANDLING OF MATERIALS NO DYS AWY FRM WRK,NO RSTR ACT None Plant repairperson was discarding worn return roller into dumpster when the employee pinched their left index finger between the return roller and the dumpster. The employee sustained crushing injurie...
01/08/2025 SLIP OR FALL OF PERSON NO DYS AWY FRM WRK,NO RSTR ACT None Operator was cleaning tripper for maintenance. Operator was traveling on tripper walkway when the operator slipped and fell on water/ice formation. Operator sustained dislocation of their right fifth...
12/29/2024 SLIP OR FALL OF PERSON DAYS RESTRICTED ACTIVITY ONLY 2d restricted Loader operator tripped and fell while entering the cab of their loader, straining their neck and back.
12/05/2024 HANDLING OF MATERIALS DYS AWY FRM WRK & RESTRCTD ACT 20d lost, 77d restricted Maintenance mechanic ruptured their left biceps tendon while opening the cab door of haul truck 78. The cab door was frozen after the mechanic washed the truck in the wash bay.
11/01/2024 SLIP OR FALL OF PERSON DAYS RESTRICTED ACTIVITY ONLY 18d restricted Employee was deboarding water truck 5168 from the operator's cab when their foot slipped off the top step causing pain to their right hip and knee. Employee continued to work full duty until imaging c...
10/16/2024 MACHINERY NO DYS AWY FRM WRK,NO RSTR ACT None Maintenance mechanic was wire wheel grinding a weld when a foreign body entered right eye. Employee stated they were wearing safety glasses and face shield. Foreign body later removed by physician. Em...
08/19/2024 HANDLING OF MATERIALS NO DYS AWY FRM WRK,NO RSTR ACT None An employee was removing a sheave when the sharp edge of the sheave sliced through the employees' glove and into their left thumb.
08/03/2024 SLIP OR FALL OF PERSON DYS AWY FRM WRK & RESTRCTD ACT 53d lost, 33d restricted A maintenance mechanic was deboarding a CAT 24M motor grader (GR22) when they fell from the operator's cab platform to the tandem platform landing on their right knee. The employee was evaluated by a...
07/19/2024 FALLING/SLIDING/ROLLING MATERIALS NO DYS AWY FRM WRK,NO RSTR ACT None Employee was struck in the head by their dry basket after changing clothes at the end of their shift.
07/19/2024 HANDTOOLS (NONPOWERED) DYS AWY FRM WRK & RESTRCTD ACT 13d lost, 61d restricted Employee was using a wrench to thread a ball valve. When EE applied force, EE felt a pop in the left shoulder area. Employee continued to perform duties with no lost time. EE had surgery on 10/2/2024.
06/23/2024 HANDLING OF MATERIALS DAYS RESTRICTED ACTIVITY ONLY 45d restricted An employee was removing a cutting edge from a Cat 988 Loader when a sharp bolt head sliced through the employee's glove and into their left palm.
11/16/2023 MACHINERY DYS AWY FRM WRK & RESTRCTD ACT 37d lost, 1d restricted Equipment operator reported feeling a burning sensation in left shoulder during normal operation of a Cat 24M Grader. Employee reported no traumatic event leading to the reported pain.
11/16/2023 MACHINERY NO DYS AWY FRM WRK,NO RSTR ACT None Employee reported left eye irritation after drilling on concrete. Employee reports having been wearing PPE at the time.
10/26/2023 OTHER DYS AWY FRM WRK & RESTRCTD ACT 88d lost, 16d restricted Run crew mechanic was laying on their side and reached for a 1-inch drive electric impact. Mechanic reported had felt pain in their rt shoulder.
10/26/2023 HANDLING OF MATERIALS DAYS AWAY FROM WORK ONLY 9d lost Employee was erecting a scaffold. Employee was attempting to pull two aluminum planks together and felt a ""pop"" in left arm.
09/25/2023 OTHER DAYS AWAY FROM WORK ONLY 39d lost Employee was outside inspecting the area north of the T2 Concentrate Thickeners for a reported leak. While walking in this area, the employee's right foot slid on the ground and the employee reached u...
09/16/2023 MACHINERY NO DYS AWY FRM WRK,NO RSTR ACT None A Dozer operator reported (2) chipped teeth following routine dozing activities.
08/06/2023 HANDTOOLS (NONPOWERED) DYS AWY FRM WRK & RESTRCTD ACT 10d lost, 47d restricted Employee was compressing brake caliper piston using a large pair of channel lock pliers and reported pain in the left elbow area.
06/27/2023 HANDTOOLS (NONPOWERED) NO DYS AWY FRM WRK,NO RSTR ACT None A welder, removing a lip shroud from a loader bucket, received a laceration to the rt thigh from flying debris resulting from steel-to-steel contact when striking the lip shroud with a sledgehammer. E...
06/02/2023 POISONING (TOXIC MATERIALS) OCCUPATNAL ILLNESS NOT DEG 1-6 None Operator was running a D65 Dozer #2 when operator felt ill after the machine started emitting larger than normal amounts of exhaust.
05/24/2023 POWERED HAULAGE DAYS AWAY FROM WORK ONLY 4d lost While operating a 988K Wheeled Loader (Co # SL22), during normal working tasks, Employee stated was experiencing back pain with pain to the right leg. Employee indicated that the pain had become more...
04/09/2023 SLIP OR FALL OF PERSON NO DYS AWY FRM WRK,NO RSTR ACT None An employee was transferring from a fixed ladder to 28B conveyor platform when the employee slipped, contacting their right shin on the platform grating causing a laceration to the shin. The employee...
03/14/2023 MACHINERY DAYS RESTRICTED ACTIVITY ONLY 46d restricted An employee was kneeling down on a foam pad using a 6"" handheld grinder to remove welds in the #2 dryer when the grinder kicked back, contacting the employee's left inner thigh above the knee resulti...
03/14/2023 SLIP OR FALL OF PERSON DAYS RESTRICTED ACTIVITY ONLY 17d restricted Pit electrician was picking up a 13.8kV cable head when force released from the cable and pushed EE to the ground, injuring EE's shoulder. EE is currently in PT.
02/27/2023 SLIP OR FALL OF PERSON DYS AWY FRM WRK & RESTRCTD ACT 170d lost, 120d restricted An employee slipped and fell on ice that accumulated in the lower tunnel entrance to the plant building while arriving to work. The employee experienced left knee pain and was sent to the hospital for...
01/30/2023 MACHINERY DAYS RESTRICTED ACTIVITY ONLY 46d restricted Employee was working on Line 10 for 3 conveyor cutting bolts when a hot bolt fell and burned through the employees pants and into their boot. Employee sustained a full thickness burn to the left foot.
01/16/2023 SLIP OR FALL OF PERSON DAYS AWAY FROM WORK ONLY 2d lost Employee was walking in the contractor parking lot from their car to the company van. As employee was walking, employee slipped and fell onto knee.
01/10/2023 MACHINERY DAYS RESTRICTED ACTIVITY ONLY 5d restricted Employee reported to supervisor a sore elbow with no explanation before the shift started on 1/11/23. Employee was given light duty. Employee was let go for erratic behavior on 1/15/23. Employee rep...
12/17/2022 OTHER DAYS AWAY FROM WORK ONLY 52d lost An electrician was walking down the stairsteps from the #3 pump house and felt pain in their right ankle. The stairway was clear and safe for travel.