Turquoise Ridge — Accidents

Total: 475 accidents | Fatalities: 2

Date Classification Injury Days Lost Narrative
05/05/2023 HOISTING ACCIDENT ONLY None Hoist number 2 went down for an under voltage card issue. Hoist #1 was still out of commission waiting on an encoder to be replaced. At 5:00 P.M. we evacuated the mine due to two of our 3 conveyance...
05/02/2023 FALL OF ROOF OR BACK ALL OTHER CASES (INCL 1ST AID) None An operator was bolting in the CTR 2970 at approximately 9:20 a.m. The operator was about to readjust bolter to begin installing more ground support. A small rock began to fall. The ground support...
05/01/2023 HOISTING ACCIDENT ONLY None Encoder malfunctioned causing hoist to not function at 100 percent capacity. Hoist was downed until encoder can be replaced.
04/29/2023 HOISTING ACCIDENT ONLY None The 3rd shaft hoist went down due to a blown fuse in the control circuit for the PT. Heat in the room combined with the tight tolerance of the PT fuses was the root cause. The fuse was repaired and...
03/18/2023 EXPLODING VESSELS UNDER PRESSURE DAYS AWAY FROM WORK ONLY 52d lost An employee was troubleshooting a bolter for a hydraulic leak. EE reached EE's hand into the floorboard where the hoses were located when EE sustained an injury caused by a high-pressure hose line.
02/08/2023 HOISTING ACCIDENT ONLY None While routine maintenance was being performed - with no one in the conveyance - the brakes locked up bringing the hoist to a stop. Operators could not immediately reset the brakes and they began troub...
01/27/2023 HOISTING ACCIDENT ONLY None While performing daily hoist checks the hoist drive was found to have 2 blown fuses, which shorted out the SCR. This caused an outage lasting longer than 30 minutes. Electricians were notified and the...
01/15/2023 HANDTOOLS (NONPOWERED) NO DYS AWY FRM WRK,NO RSTR ACT None Ee was using a box cutter to cut a belt. Ee was pushing down on box cutter with both hands, and hand slipped, cutting ee's finger. Seen at ER, laceration to finger given one suture. Released to full...
12/17/2022 HOISTING ACCIDENT ONLY None Due to recent, inclement weather, the upper limit switch on shaft #3 was frozen over. This condition was found during hoist checks and had to be thawed out before putting the hoist back into service.
12/15/2022 HOISTING ACCIDENT ONLY None The #3 hoist was reported as not coming back online after a planned power outage. Due to a miscommunication between personnel it was never inoperable. However, it was reported as out of service and ca...
11/12/2022 HOISTING ACCIDENT ONLY None There was no accident, illness, or damage. During a shaft inspection it was discovered that there was ice forming on the cage guides. Decision was made to idle the chippy and cage until all ice was re...
10/26/2022 SLIP OR FALL OF PERSON DAYS RESTRICTED ACTIVITY ONLY 18d restricted EE was squatting to do a job. When EE got up, EE's foot caught on a concrete block, and EE tripped, falling backwards onto their left side on a concrete block. Reported that day. Asked to see dr on 11...
10/13/2022 HOISTING ACCIDENT ONLY None performing hoist pre-operation checks a communication fault occurred brakes unable to release. NGM and OEM technicians found communication issue with a motor current signal wire not being processed by...
10/04/2022 HOISTING ACCIDENT ONLY None IT was caused by the NGR relay on the 480V MCC tripped. Tripped do to an unknown nuisance ground fault. Thyssen electricians and NGM Electrical Engineers are inspecting and re-checking the relay sett...
10/04/2022 HOISTING ACCIDENT ONLY None Power was lost to the hoist for approx. 2 hours. No personnel were on the conveyance at the time of power loss. 91 people were underground at the time of the incident with two means of escape remain...
10/02/2022 HOISTING ACCIDENT ONLY None The #3 hoist had been locked out to conduct planned work on the drip trays under the service hoist sheaves on the headframe. At 10 pm on 10/2/22 when they went to start the hoist back up the drives f...
09/01/2022 ENTRAPMENT ACCIDENT ONLY None While transporting personnel to their work areas via the #3 shaft, the personnel conveyance experienced a power outage lasting longer than 30 minutes. At the time of this outage there were 20 miners o...
08/31/2022 ENTRAPMENT ACCIDENT ONLY None The 4703 hoist tripped out about 30 feet above the 1715 level, after leaving the 1715 during the 5 pm man trip with 56 miners on board. The hoist was reset and tried to go up again, the hoist travele...
08/30/2022 HANDLING OF MATERIALS NO DYS AWY FRM WRK,NO RSTR ACT None Operating 5600 gallon water tanker. Loading water through rear valve. Did not insert R-Pin to lock valve open. Transfer pump created pressure against open valve. Operator inadvertantly contacted valve...
08/24/2022 HOISTING ACCIDENT ONLY None The hoist man was performing the checks on the 4703 hoist for an MSHA inspector when the cage traveled beyond the lower level limits. The shoes came out of the guides and the cage would not come back...
08/22/2022 FALL OF ROOF OR BACK ACCIDENT ONLY None Jammer operator scraped the right rib up to the spring line to remove the bagged out wire from the previous bolt up. The jammer operator called for the loader to come clean up what was scraped out....
08/20/2022 HANDLING OF MATERIALS DAYS RESTRICTED ACTIVITY ONLY 57d restricted Injured employee was repositioning a horizontal 20' HQ drill rod to stack neatly on the rod rack when it slid into its slot on the rack, EE's right ring finger was smashed between the drill rod EE was...
08/03/2022 HOISTING ACCIDENT ONLY None Number 2 hoist was tripped for low voltage coming in from NV Energy side which resulted in voltage card tripping
07/26/2022 HOISTING ACCIDENT ONLY None On 7/26/22 at approximately 9:10pm Hoist # 4703 tripped out (due to an under voltage trip) and could not, initially, be reset by the hoist person. The hoist person was eventually able to reset the hoi...
07/04/2022 HOISTING ACCIDENT ONLY None Hoist operator at shift change was running hoist checks. A spool valve test port failed causing the hydraulic system to go down.
06/30/2022 HOISTING ACCIDENT ONLY None Temporary power loss to Turquoise Ridge caused by an issue with incoming NV Energy line 147 to the site. 4701 and 4703 hoists lost power during this event. No personnel on the cage at the time. Tempo...
06/22/2022 SLIP OR FALL OF PERSON DAYS RESTRICTED ACTIVITY ONLY 34d restricted IP was pulling 7 5/8 casing on the 11th piece walking backwards and about 3/4 of the way down the truck IP lost footing causing EE to fall on the side rail and hitting the IP forearm on the railing re...
06/03/2022 HOISTING ACCIDENT ONLY None While completing hoist limit checks, the hoist operator was going into the upper limit checks when the hoist faulted out. The operator was unable to reset the fault and electrical department was notif...
05/10/2022 HANDLING OF MATERIALS DAYS RESTRICTED ACTIVITY ONLY 6d restricted A 30' x 18"" x 6"" beam was being moved out of the batch plant building. The beam rolled and pinned the miner in a pinch point against a concrete block causing bruising to upper right thigh.
04/15/2022 HANDLING OF MATERIALS DYS AWY FRM WRK & RESTRCTD ACT 90d lost, 45d restricted Ee was lifting a tire/wheel assembly onto the back of a flatbed truck when ee felt a pop and immediate pain in the left shoulder. Seen at a medical facility, xrays were negative for fracture, ee was r...
04/07/2022 HOISTING ACCIDENT ONLY None A communication cable was worn out and caused the problems with the hoist. The damaged cable was found and replaced. No injuries happened during this event.
02/18/2022 SLIP OR FALL OF PERSON DAYS RESTRICTED ACTIVITY ONLY 4d restricted EE was stepping up onto a concrete pad and EE slipped, spraining left ankle. EE was seen at the ER, diagnosed with an ankle sprain, and released to modified duty pending follow-up. Site can accommodat...
01/26/2022 FALL OF ROOF OR BACK ACCIDENT ONLY None On 1/26/22 at approx 1445 hrs, a fall of ground was witnessed by a miner working in the area. Miners were already actively prepping rehab in the area and reported this new ground fall to supervision....
01/26/2022 HOISTING ACCIDENT ONLY None Hoist 4703 stopped working after showing multiple faults and was out of service for a time. The source of the faults was investigated and repaired. Hoist returned to service at approximately 11pm
01/22/2022 HOISTING ACCIDENT ONLY None Hoistman was conducting pre op hoist checks when the hoist tripped on left brake wear switch. hoistman notifies supervisor and troc, who called safety. The decision was made to evacuate the mine on #1...
01/12/2022 HOISTING ACCIDENT ONLY None The reset switch had been activated during down time. On start up the hoist would not power up. The reset switch was found activated and was deactivated and hoist powered up and was exercised for two...
12/17/2021 FALL OF ROOF OR BACK ACCIDENT ONLY None On 12/17/21 at approx 0900 hrs, a fall of ground was witnessed by a miner working in the area. Miners were already actively rehabbing the area and reported this new ground fall to supervision (not bey...
12/16/2021 SLIP OR FALL OF PERSON DYS AWY FRM WRK & RESTRCTD ACT 24d lost, 27d restricted Driver walking around the back of truck, slipped and fell on ice/snow, right leg bent back. Current medical consult scheduled for 12/28/21
11/30/2021 POWERED HAULAGE NO DYS AWY FRM WRK,NO RSTR ACT None Employee was in a man basket and put hand on the rail. When the basket was raised EE's finger got pinched between the man basket and the fork carriage assembly.
11/24/2021 HANDTOOLS (NONPOWERED) NO DYS AWY FRM WRK,NO RSTR ACT None Employee was working on a damaged hose clamp. The tap broke causing employee to lose footing and employee struck the broken tap tool with hand causing a laceration.
11/18/2021 HANDTOOLS (NONPOWERED) DYS AWY FRM WRK & RESTRCTD ACT 39d lost, 21d restricted EE was reinstalling a clamp on hose and used a pry bar to close the clamp. EE pulled on the pry bar with both hands and felt a sharp pain in EE's lower right side abdomen. Seen at Golden Valley, diagn...
11/16/2021 DISORDERS (PHYSICAL AGENTS) OCCUPATNAL ILLNESS NOT DEG 1-6 None Ee and coworker working on face fan on scissor deck. Ee started to get headache, lowered deck down to take break. Ee near back of scissor deck and briefly lost consciousness. Seen by medics, cleared t...
11/04/2021 ENTRAPMENT ACCIDENT ONLY None At approx. 0700 am, fixed maint miners were beginning to perform their hoist inspections when the hoist tripped out and stopped approximately 19 ft. below the station on the #1 shaft. After a half an...
10/25/2021 IMPOUNDMENT ACCIDENT ONLY None At approximately 12:30pm on 10.25.21 a washout was reported at the TR underground crusher pad (located on the surface north of the TR Underground admin building). It is believed that this washout of t...
10/15/2021 ELECTRICAL ACCIDENT ONLY None NGM Loader 3935 was tramming a Z50 truck battery from the mine to the 17 shop. While on the MAD decline, the battery caught fire and visible flames were observed. The loader operator was able to set t...
10/12/2021 HANDLING OF MATERIALS DYS AWY FRM WRK & RESTRCTD ACT 82d lost, 65d restricted Ee reports moving a loader tire and felt pain in their shoulder. Seen at Golden Valley, diagnosed with strained right shoulder, released with restrictions site can accommodate.
09/01/2021 HANDLING OF MATERIALS DYS AWY FRM WRK & RESTRCTD ACT 12d lost, 56d restricted EE was using torch to cut metal. EE ran out of oxygen and when replacing the bottle, they loaded the bottle into the back of the pickup and heard a pop in the left bicep. EE lost all strength in the a...
08/11/2021 HOISTING ACCIDENT ONLY None Hoist tripped out on ""under voltage"" alarm and would not reset. Hoist down for 5 hours, while troubleshooting. Broken wire on PLC due to over torque on a termination screw. No miners were on the cag...
08/05/2021 ENTRAPMENT ACCIDENT ONLY None Hoisted personnel on Cage #2 at Shaft #1 and struck closed vent doors causing over torque trip of conveyance. Hoist reset and lowered personnel to 1550 station to offload. Lowered conveyance #1 to tra...
07/04/2021 HOISTING ACCIDENT ONLY None Hoist was at a stop when Hoistman heard clicking noises in control room. Hoistman attempted to move the hoist with no response. The hoist began to alarm as several resets were engaged. Electricians tr...