Kennecott Keystone Underground — Accidents

Total: 59 accidents | Fatalities: 0

Date Classification Injury Days Lost Narrative
02/06/2026 INUNDATION NO DYS AWY FRM WRK,NO RSTR ACT None Bad Air through bore hole caused oxygen deficient atmosphere and small amounts of H2S gas. Crew driving underground jeep lost power, employee then exited the jeep to check the master switch, the emplo...
11/28/2025 HANDLING OF MATERIALS NO DYS AWY FRM WRK,NO RSTR ACT None Crew was hand installing cable bolts at the 3100 intersection. The injured person was handing cable up to miners in a work basket when the employee felt one catch on their arm. The employee finished f...
11/04/2025 POWERED HAULAGE DAYS RESTRICTED ACTIVITY ONLY 3d restricted Sandvik Scoop LH02 operator was mucking in 3250 OD25. As the scoop was moving around a corner the operator was leaning forward with their head turned to get better visibility. The scoop hit a bump cau...
09/17/2025 HANDLING OF MATERIALS NO DYS AWY FRM WRK,NO RSTR ACT None EE came to safety on 9/21/2025 complaining of irritation in the right eye, The EE said on 9/17/2025, while working to restore mine water, dirty water splashed into their right eye. The EE rinsed the e...
09/11/2025 HANDLING OF MATERIALS DAYS RESTRICTED ACTIVITY ONLY 3d restricted An offsider for the 3175 jumbo was gathering bolting supplies in the NRS. While lifting sections of wire to place blocks, the worker felt a pop and burning sensation in their right lower bicep. Thinki...
07/01/2025 HANDLING OF MATERIALS NO DYS AWY FRM WRK,NO RSTR ACT None At the end of day shift, an Electrician was relocating equipment by manually carrying it from a parked scissor deck to a nearby light vehicle. As the Electrician was walking, they lost their footing...
06/10/2025 HANDTOOLS (NONPOWERED) DYS AWY FRM WRK & RESTRCTD ACT 3d lost, 3d restricted Employee was hammering on a piece of metal when a metal shard broke off, penetrating and lacerating their right thigh. The laceration required stitches to close.
03/29/2025 POWERED HAULAGE NO DYS AWY FRM WRK,NO RSTR ACT None Employee and a geo-tech were pull-testing bolts. A bolt plate was placed beneath one of the legs of the pull tester so the leg would not get trapped in the mesh. Tension was pulled and the bolt passed...
02/03/2025 SLIP OR FALL OF PERSON DAYS RESTRICTED ACTIVITY ONLY 42d restricted 2/3 EE got down from loader to 3' ladder, EE's pantleg caught on a bolt, EE lost balance, fell, and twisted knee. 2/4 EE taken for a medical eval. and cleared to return w/o restrictions. EE follow up...
08/24/2024 SLIP OR FALL OF PERSON DAYS AWAY FROM WORK ONLY 70d lost Employee (EE) was delivering 16' jumbo steel to the 3520 ORD9 using an Integrated Tool Carrier (IT). Once parked, EE offloaded two pieces of steel. While lifting both pieces of steel under their right...
08/19/2024 FALL OF ROOF OR BACK ACCIDENT ONLY None While installing long support in a production drift, a section of the back failed and fell onto the boom of the cable bolter. The operator was able to safely exit the cab of the bolter and call for as...
07/21/2024 HANDLING OF MATERIALS DAYS AWAY FROM WORK ONLY 44d lost An employee was troubleshooting a 4x4 lever on a bus that was stuck. When EE was unable to engage the lever with EE's arm, EE used EE's leg for additional force/leverage. The knob on the lever is thre...
05/03/2024 HANDLING OF MATERIALS DAYS RESTRICTED ACTIVITY ONLY 2d restricted Employee felt discomfort and difficulty breathing due to chest pain while making bolts. Medical assistance was alerted. It was not believed to be work related. Employee was transported to the hospital...
03/10/2024 FALL OF ROOF OR BACK ACCIDENT ONLY None A run of ground occurred while advancing the face of the 3325 FWD 02 drift. The run of ground started in the upper left corner of the face and propagated back into the last row of installed ground sup...
11/25/2023 POWERED HAULAGE PERM TOT OR PERM PRTL DISABLTY None A loader collided with a light duty vehicle in the underground in a muck bay, which resulted in the one worker sustaining leg and hand injuries and needing to be extricated from the vehicle. The work...
07/25/2023 EXPLODING VESSELS UNDER PRESSURE DAYS AWAY FROM WORK ONLY 5d lost A Spraymec operator and the Remix operator were attempting to unplug the mixing chamber on the Spraymec nozzle. The Spraymec operator was hit in the eyes with the shotcrete and received chemical burns...
01/26/2023 EXPLODING VESSELS UNDER PRESSURE DYS AWY FRM WRK & RESTRCTD ACT 34d lost, 32d restricted The employee sustained a fracture and laceration to the middle finger, and a laceration to the ring finger on the left hand, when loosening a 4' clamp. The clamp came off forcefully due to the air pre...
08/03/2022 MACHINERY DAYS RESTRICTED ACTIVITY ONLY 43d restricted A Mechanic's left finger was fractured while performing maintenance on a Epiroc Bolter, when EE placed EE's finger in the line of fire of the bolt grabber that was rotated by a second Mechanic.
04/20/2022 POWERED HAULAGE DAYS RESTRICTED ACTIVITY ONLY 36d restricted While traveling down the Common Access decline with three passengers the driver of the UTV lost brakes. The operator was able to steer the UTV into a pillar and the employee riding in the front passen...
03/03/2022 HANDLING OF MATERIALS DAYS RESTRICTED ACTIVITY ONLY 110d restricted The employee lifted the middle section of a 40' 4"" HDPE pipe to move it closer to the rib and felt a pop in right bicep. The employee injured the tendon that attaches to the upper bicep muscle.
01/20/2021 HANDTOOLS (NONPOWERED) NO DYS AWY FRM WRK,NO RSTR ACT None Tightening a fitting in a small space under truck, only could turn fitting 1/4 turn at time, didn't get wrench all the way on and it slipped hitting EE in the tooth chipping the tooth.
11/18/2020 SLIP OR FALL OF PERSON DAYS AWAY FROM WORK ONLY 149d lost Employee slipped striking face on the handrail causing injuries.
06/02/2020 OTHER NO DYS AWY FRM WRK,NO RSTR ACT None IE was looking for printer paper while bent at the waist felt a sharp pain in lower back. IE contacted health services company for advice, due to symptoms described OC meds were prescribed. After expe...
08/31/2017 HANDLING OF MATERIALS NO DYS AWY FRM WRK,NO RSTR ACT None The employee's hand was pinched between the 6"" HDPE pipe and the middle post on the work deck when the pipe slipped off the end post. The contact caused a laceration to the palm of the right hand.
07/07/2017 SLIP OR FALL OF PERSON DYS AWY FRM WRK & RESTRCTD ACT 56d lost, 5d restricted Employee twisted knee resulting in a torn anterior cruciate Ligament while climbing down from a flatbed trailer.
06/22/2017 SLIP OR FALL OF PERSON DAYS RESTRICTED ACTIVITY ONLY 38d restricted Employee slipped and fell in the Kennecott dry this morning. There was a puddle of water on the floor near the sink where the employee slipped on.
05/12/2017 SLIP OR FALL OF PERSON DYS AWY FRM WRK & RESTRCTD ACT 152d lost, 55d restricted Driver had removed the 3 side panels from the stake bed delivery truck and leaned them against the opposite side of the truck. A strong gust of wind caused the stacked side panels to fall and strike...
04/03/2017 SLIP OR FALL OF PERSON NO DYS AWY FRM WRK,NO RSTR ACT None A helper was installing a ground rod for a light plant on a new drill site when EE inadvertently miss struck the ground rod causing EE to contact lower left lip/chin on the ground rod.
05/11/2016 POWERED HAULAGE NO DYS AWY FRM WRK,NO RSTR ACT None Loading core press with forklift. Press slid on fork, cutting employee's finger. 8 stitches required to close wound.
03/20/2016 HANDLING OF MATERIALS DAYS AWAY FROM WORK ONLY 86d lost While in the process of cleaning a lifter the employee was struck in the back by falling material.
01/31/2016 HANDLING OF MATERIALS NO DYS AWY FRM WRK,NO RSTR ACT None The employee pinched right thumb between two pieces of 4"" HDPE pipe while preparing the load for transport.
01/26/2016 SLIP OR FALL OF PERSON DAYS RESTRICTED ACTIVITY ONLY 21d restricted In the process of a rig move, a rolled up 1"" hose was ready for move and an employee had tripped over it and fell to the ground (same level) striking EE's right arm on the ground breaking EE's right...
12/26/2014 POWERED HAULAGE NO DYS AWY FRM WRK,NO RSTR ACT None While backing up the Forklift the employee in the man basket was thrown up off the deck, the fall protection stopped the employee brining him back down and the employee lacerated his ear and chin on t...
12/08/2014 HANDLING OF MATERIALS DAYS RESTRICTED ACTIVITY ONLY 44d restricted The employee had thought that the survey tool was falling and went to grab it when it hit the ground smashing his left hand between the survey tool and the ground.
01/09/2014 HANDLING OF MATERIALS NO DYS AWY FRM WRK,NO RSTR ACT None Employee was hooking up tongs to break 9"" collar and twisted to lock the jaws after locking employee stood up and felt pain in lower back.
01/02/2014 HANDLING OF MATERIALS DYS AWY FRM WRK & RESTRCTD ACT 35d lost, 21d restricted Employees were moving an air compressor cooling unit with a forklift. While setting the unit down it fell over striking an employee causing a fracture of his right ankle which required surgical repair...
12/09/2013 MACHINERY NO DYS AWY FRM WRK,NO RSTR ACT None The employee was sprayed in the face with Shotcrete while attempting to check for blockage in the line while operating a Normet Shotcrete sprayer. The employees Safety Glasses were blown off and he re...
10/29/2013 SLIP OR FALL OF PERSON DAYS RESTRICTED ACTIVITY ONLY 13d restricted The employees foot was pinched between the outrigger and wheel cover on a Atlas Copco Bolter when he stepped on it to clean the windshield. The employee received a sprain and contusion resulting in sw...
08/21/2013 HOISTING ACCIDENT ONLY None The sensor for the main brake location malfunctioned and was not communicating with the hoist PLC
05/09/2013 HOISTING ACCIDENT ONLY None crew signaled to raise shaft conveyance up, when hoist man went to raise conveyance there was no power getting to the motor or brake system
04/27/2013 HOISTING ACCIDENT ONLY None Hoistman was going to move mancage off of collar doors when the pinion brake would not release.
03/30/2013 HOISTING ACCIDENT ONLY None The DC contactors in the hoist room control system fused together and at the same time the dynamic brake control unit burned its' circuitry control boards. The boards and circuitry have been replaced...
03/16/2013 HOISTING ACCIDENT ONLY None The brass bearing on the lilly limit ceased up causing the cast iron bracket to break, the bearing and bracket have to be made at a machine shop. So the hoist is inoperable.
02/04/2013 HOISTING ACCIDENT ONLY None The shaft coupler on the tachometer generator for 8' allis chalmers hoist sheared off, shutting down the hoist. this unit sends a signal to the computer telling it how fast the hoist is going, without...
01/23/2013 HOISTING ACCIDENT ONLY None When Hoist man moved skip above collar doors he noticed the high amp indicator light came on, he went to check the MCC room, when he got there he noticed smoke coming out of the vents, on further inve...
09/13/2011 HANDLING OF MATERIALS NO DYS AWY FRM WRK,NO RSTR ACT None Invert was brought in with a bobcat. Tag line was attached. Tag line was removed in order to set in place. Invert was partially under the belt when it was set down to reposition the rigging. As invert...
10/08/2008 SLIP OR FALL OF PERSON DAYS RESTRICTED ACTIVITY ONLY 4d restricted Employee was stepping off platform on flat ground; he shifted his weight to right ankle and it rolled undearneath him. Right ankle strain.
09/08/2008 MACHINERY NO DYS AWY FRM WRK,NO RSTR ACT None PVC pipe broke and fell out of drilled hole striking EE arm. Laceration to arm requiring stitches.
04/09/2008 OTHER DAYS RESTRICTED ACTIVITY ONLY 28d restricted EE stated that on the 8th or 9th of April he was working in the shop when an unknown event strained his left elbow. He reported injury on 4/10/08, took EE to DR and could not find any damage, but gav...
03/09/2008 HANDLING OF MATERIALS NO DYS AWY FRM WRK,NO RSTR ACT None A Miner was blowing out a hole drilled, when drill cuttings passed beneath his safety glasses and entered his left eye. His eye was irrigated in the shaft. 1-hour later it was washed out again, and...