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The driller shooter was carrying boxes into the blasting magazine. EE bumped EE's hard hat on the door frame, and when EE went to grab it, EE slipped on the magazine floor (raining and muddy). When EE's weight re-distributed to EE's right leg, EE felt it pop at the knee, which was a ruptured quadricep tendon and right thigh muscle. The knee was professionally immobilized.

The employee was using a grinder when it kicked back into EE's hand, causing a laceration. EE received 6 sutures.

The mobile equipment operator began experiencing nighttime shoulder pain, attributed to years of repetitive work and movements required to mount, dismount, and operate equipment. After consultation, diagnostics revealed degenerative changes in the shoulder, which required surgery on 02/06/26

IE was holding a bolt w/pliers while another person used a grinder w/cutting wheel. The grinder kicked back and cut IE between thumb & finger requiring 6 stitches to close wound.

CMW in personal vehicle was pulling up and turning to the left preparing to stop and back in to a parking spot. Before EE came to a stop, EE's truck struck another person walking across the lot that EE did not see. IE was taken to local ER and kept overnight for observation.

IE was using soft face sledge hammer and wearing face shield & puncture resistant coat while striking a bucket tooth to remove it. A small piece of metal struck IE's chin which required removal in ER and 2 stitches to close cut

IE was greasing components on screen bowl. While pulling on drive belt to turn components, EE's pinky finger was pinched between belt and pulley requiring 5 stitches to close cut.

CHPP employee reported on 3/12/25 that EE was experiencing right shoulder discomfort while performing routine motions and tasks, void of any stressors. During initial consult it was learned that IE had a previous R shoulder surgical repair for similar complaints. Diagnostics revealed degenerative changes to that same shoulder with no new acute damage. Surgical repair on 4/25/25.

IE was climbing out of cable truck and fell after IE's foot became stuck on the step. IE fell onto right wrist which caused a hairline fracture.

IE went under parked haul truck to check it out & got hydraulic oil into both eyes. IE received Rx eye drops and was not released to return to work

IE was using an electric grinder that became entangled w/IE's welding coat sleeve. Before the grinder stopped it cut IE's wrist which needed a few stitches to close.

Mobile maintenance greaser/oiler reported on 01/13/25 that they noticed a noise in their shoulder, void of any pain or discomfort. During consultation it was learned the the EE had a previous right shoulder surgical repair. Diagnostics revealed degenerative changes to the same shoulder from years of repetitive motion and overhead work. Surgical repair was performed on 07/11/2025.

IE caught fingertip between brass bushing and shovel saddle block while setting the bushing in place. Fingertip was avulsed and required medical treatment.

IE was lancing out front end loader center pin. Hot slag fell into their boot and burned their ankle and bottom of foot causing 2nd & 3rd degree burns.

Installing bearing in a hoist cylinder. While tapping the bearing, a piece of the bearing chipped off and lodged into the bend of EE's left arm.

IE was removing a line boring bar by pulling it with right hand. While pulling, the far end of the bar slipped off what was holding it. This caused near end to fall and strike right thumb. The thumb was fractured and was set in a cast at the ER.

Injured had been using a hot water pressure washer and decided to change out the wand for a tip with a wider spray pattern. While changing the wand, injured accidentally pulled the trigger and shot high pressure water thru boot and into the top of foot.

On 1/18/24 EE was lying on the ground under a service truck checking for an air leak. The air system had reached capacity which caused the pop-off valve to dump some air. This sudden, loud noise startled EE & caused EE to bump left shoulder on the underneath side of the truck. EE reported this to the supervisor later in the shift. EE was given x-rays & MRI.

IE was on the track of a D11 dozer climbing up to the cab. IE was stepping up to the fender platform with left foot when IE lost balance and fell backwards onto the track, hitting mid left back on a grouser. Was taken to ER and diagnosed with 2 broken ribs and small laceration to spleen. No surgery required but will need time off to heal.

IE was pulling a piece of .125" sheet metal to get into position to weld. The metal hit a bolt head and immediately stopped while IE was still pulling. IE felt a pop in arm. IE was eventually diagnosed with a minor biceps tendon tear and began physical therapy on 12/19.

IE wiped a metal table off with gloves in preparation to use a magnetic drill. IE's eye began itching so IE removed the gloves and safety glasses and rubbed it. IE's eye was immediately irritated; IE flushed it with eye wash but it persisted. IE went to an eye doctor where a small particle was removed and IE was prescribed antibiotic eye drops.

Fuel truck developed an exhaust leak that allowed some fumes to enter the cab. After fueling in between shifts and taking the truck to get more fuel, fueler began to have a headache and became dizzy. Fueler was taken to ER to be checked and truck was shutdown and repaired.

IE was preparing a shot pattern. As EE was walking to hook the next hole, EE stepped on some uneven ground and felt something pop in EE's right calf. EE finished the shift. It was still bothering EE the next morning and the IE asked for medical attention.

IE was removing jam nuts from the cable boat for electric shovel. The truck crane holding the wire rope was moved without IE knowing. The wire rope struck the IE's left pinky finger. IE had a laceration which required 5 stitches to close.

End dump driver was leaving the fill area and needed to pull up EE's pants. EE leaned forward to do so and ran over a bump at the same time. This caused EE's head to go forward and EE struck EE's left upper central incisor on the steering wheel knob which chipped and cracked the tooth.

Mechanic has cumulative left shoulder trauma following 5 shoulder dislocations initially beginning with a high school football injury which caused a Hills-Sachs deformity. EE was turning a ratchet with the left hand and EE's shoulder slipped out of socket.

IE was checking the dumping solenoid inside the frame of an end dump. EE needed to move and was crawling out from under the truck on hands and knees. EE placed right hand near the base of a dump cylinder, unaware that the solenoid began working and the bed was coming down. EE had 3 fingertips crushed between the middle stage and the base of the cylinder.

IE was climbing on dozer to shut off for a service. When the IE got to the top platform IE felt a popping noise in the left foot. The IE shut the dozer off and climbed to the ground. IE was taken to the ER for treatment. IE was diagnosed with a sprain and was restricted to non-weight bearing activity until follow up appointment.

IE stepped over a feed pipe in the plant to access a start up diverter valve. They had stepped over with left leg already and when they brought their right leg over their knee struck the pipe flange and bolts and created a cut that required stitches to close.

IE was air arcing a frame crack on an end dump. IE was wearing leather welding gloves, leather welding jacket, and leather welding apron. A hot piece of slag bounced off something and landed on IE's pants just about the boots. It burned through the jeans and fell into IE's boot, giving IE a 2nd degree burn on the ankle.

IE was repairing cracks in shovel bucket with another welder. They began welding at 8am and took turns until 3. They were both wearing 3M auto-darkening air-hoods. Later that night EE was diagnosed with arc flash from the intermittent welding

Injured employee lifted the welding hood and a small piece of metal entered EE's eye. A doctor was able to remove the fragment and the injured employee was prescribed an antibiotic.

Employee was removing a clamp ring from an empty black 55 gallon barrel that had been sitting outside in the sun. When loosening the bolt on the clamp ring, the lid popped up striking the employee in the forehead. The impact resulted in the cut that required 5 sutures to close up.

Oiler was dismounting from the dozer, grabbed the hand rail and stepped on to the push arm. Employee then slipped off the push arm but tried to hold with right hand on the grab bar. Lost balance and grip and fell 2ft. to the ground. The jerk of the arm while holding on to the grab bar resulted in an injured bicep.

While in a moment of horse play, IE was transitioning from walking to running and tripped on own feet. Employee fell and struck shoulder on the concrete floor.

IE was climbing down a D11 dozer with dinner bucket in hand when they fell to the ground and fractured the distal end of right radius in wrist.

While climbing onto a D11 the IE tripped on a track grouser and fell forward and struck the stowed boarding ladder, which then caused hard hat to fall off and they then fell backwards off the track to the ground. IE had 4.5cm scalp laceration on rear of head that took 9 staples to close.

The drill operator had descended down the staircase and was turning around to face the vertical ladder before stepping off the machine. As they turned around, they lost footing and fell into the track. As they tried to catch themselves, left forearm struck a grouser on the track and caused a laceration; it required 6 staples to close the cut.

IE was attaching an end dump bed retaining cable to the differential housing. The cable slipped out of the eyelets on the differential housing and the shackle on the end of the cable struck the IE in the nose causing a nasal fracture.

IE was descending ladder and missed the last rung at the bottom. IE fell to the ground and landed on right shoulder. IE had surgery on 10/24/19 for full thickness tear of rotator cuff.

The IE was air arcing in the main shop when IE's clothing caught fire and caused burns to IE's skin.

Attempting to free stuck boarding stairway employee decided to remove the front sheave to see why counterweight was stuck. Injured employee was going to catch the sheave while other employee removed pin. The counterweight dropped while removing sheave, smashing employees fingers between sheave and cable.

IE was assisting with changing drag ropes on BE 2570 Dragline. IE was positioned behind and below the drag drum. As the IE attempted to step over the deck winch to relocate to the opposite side they tripped, falling onto their extended arm. X-ray evaluation revealed a hairline fracture in the left wrist.

IE was preparing to weld a steel liner onto the plant feed flop gate. The plate was lowered part of the way into place. As the IE was lowering the plate into place, left ring finger was lacerated and required 7 sutures to close.

IE was performing a pre-trip inspection on the end dump IE was assigned to operate. As IE was walking around the end dump IE slipped in mud and broke fall with left arm. IE's left arm was immobilized by a doctor and IE was subsequently unable to return to work.

They were replacing a couple of grates in the dry crush crusher. The IE was moving a breaker bar so that they could install the new grates. A small metal sliver contacted the IE's leg on the right, inner knee and caused a laceration. IE received 7 sutures to close the cut and returned to work.

EE has worked in lube/fuel group at this mine for nearly 8 yrs. EE's regular job duties require EE to push/pull various tools, perform overhead work, & make other repetitive motions. On 5/21/18 EE was changing fuel filters on a Cat 793 end dump & began experiencing some pain & tingling in left hand. Conservative treatment didn't work & EE was diagnosed w/Carpal Tunnel Syndrome

EE working in maintenance over 20 yrs and has been a mechanic for 16 yrs. Duties require to push/pull wrenches, overhead work and various other repetitive motions. 4/26/18 noticed pain in L shoulder but did not report it. EE was using a tracked elevating device to lift and hold dozer belly pan while aligning holes. Diagnosed w/rotator cuff tendinopathy, shoulder surgery 2/28/19.