Martin Marietta Materials,Inc.Mining Incidents in 2021

Unknown ignition in working area.

Dumped hot fines onto hot skip and belt causing the belt to catch fire.

Employee smashed left pinky and ring fingers on metal plate. The tips of the pinky and ring finger were amputated 5 days later.

While installing a metal collection box via use of a forklift to position in place and a ratchet strap being used to align bolt holes, employee placed hand on flange of metal box to brace self while releasing the ratchet strap. As the collection box made contact with the existing structure, the employees index finger became caught between the bolt flanges causing injury.

EE was working on mobile camera. While cranking up the camera mast, the trailer jack stand failed causing the front of the trailer to fall to the ground. When the front of the trailer collapsed, the camera mast dropped striking EE's right ring finger cutting the tip of the finger. Stitches were required to close the cut.

EE clocked in and was walking to EE's vehicle from the scale house. EE cut the wedge between the sidewalk and parking lot through the grass to EE's car. EE slipped on the wet grass injuring ankle.

Technician was using the crane crontroller on service truck. Tech. needed to get a visual of the hook on the crane, so they twisted quickly to see it and when they twisted a leg gave out and they fell to ground. Technician was left unable to bare their own weight. Initial diagnois is a sprained knee.

Employee allegedly injured bicep when putting a drill steel into a recycle bin.

Employee was removing metal from conveyor and struck finger against the magnet.

While inflating the RRI on a 777 Haul truck, the tire manipulator was holding the tire in place on the rim. While making adjustments to rim components to allow the tire to seat, the manipulator slipped off striking the technician on the right shoulder and pushing EE into the hub where EE sustained a broken right collar bone, shoulder blade and fractured rib.

While adding a steel the steel fell out of the top of the loader. The operator thought they were able to get the steel back into the loader properly. The operator then threaded onto the steel to make the next connection. The steel came free from the rotary head & dropped approx. 2ft onto the drill table & then slid off the table & dropped 3-4ft striking the operator's ankle/foot.

Miner was operating the CAT 349F excavator approx 25-30' from an approx 42' highwall when it sloughed causing material to cave-in the bottom and top windshield allowing material to enter the cab trapping miner for <30mins. Miner made distress radio call and miners immediately began removing miner from cab. MSHA was notified <15mins. Miner received medical care on 10/4.

Employee was at Martin Marietta changing a tire when the bead seat band slipped and pinched a finger. They received 7 stiches and has a follow up in 1 week

Employee strained lower back while tightening base plate bolts on a crusher motor.

The employee was overhead welding on the water truck and felt a pop in EE's right shoulder. Initially EE did not think anything of it, but later in the shift EE felt another pop in the right shoulder while assisting another employee lift a screen.

Employee received a whiplash type of back injury when EE's loader contacted a haul truck when both were backing up. The incident became reportable on December 9th when the injury was determined to be work-related and the employee was placed on restrictions/physical therapy by our company physician.

A miner was clearing out a chute when a rock struck the fifth finger on the right hand, resulting in a fracture and PIP dislocation.

Employee was unloading a pallet from a delivery truck and hyperextended their thumb.

A miner received a minor burn from slag during welding activities. First aid treatment was administered on site and EE declined to see a medical professional or go to the clinic. Based upon information communicated by the inspector 07/07/2022, medical treatment may have been rendered. This incident remains under investigation.

The injured employee was performing maintenance on a bearing for the P-1 conveyor when right foot slipped into a gap between the conveyor frame and the concrete retaining wall. The injured employee's body turned to one side causing a twisting injury to the right knee.

Employee strained back while flipping hammers on horizontal impact crusher.

An EE along with IE and another labor where trying to move an aluminum piece of 12 inch pipe to get it to set correctly in coupling. As IE picked up pipe to assist EE, IE felt a sharp pain in IE's lower left side of IE's back.

Incident that occurred was not related to mining activity. Miner had a personal medical event and as a result received 4 stitches on forehead above EE's right eye.

While operating the scaler, employee stated that the wrist was injured due to jarring the machine. Following an investigation, with company management and our work comp provider, it became reportable on 8-13-21.

While loading a face, a piece of shale fell from the face and struck employee in the back.

Pulling 20 ft sections of drill steel pipe from ground after drilling. While stacking one 20 ft section, employee felt a strain in lower back.

Field machinist was carrying a boring bar out of the back of the service truck and going down stairs EE tripped and fell forward. The weight of the boring bar smashed EE's hand at impact to ground. Bleeding and swelling of EE's right hand was treated with triage, so first date became reportable was 4-23-21 when we were notified of the fracture.

On the evening of Thursday, March 25th, 2021, the night shift was changing drive belts on the (secondary) crusher. As they were spinning the sheave putting the last belts on, the employee's hand got pinched between the sheave spoke and the motion sensor.

Pit Loader bucket made contact with a rock and jarred the operator.

come-a-long slipped hitting employee in the mouth

Employee received hand laceration while changing bolts on cutting edge of loader bucket. Laceration required stitches.

The employee was changing screens in the wash deck. The screen slid down cutting the wrist of employee.

An employee was helping change a screen on the screen deck. The employee had another employee holding the screen to help out. While trying to climb out of the screen deck, the screen was dropped and hit the employee in the head, resulting in 5 stitches being needed.

A miner received treatment for a foreign body in the left eye, and was issued a prescription.

The injured employee (IE) was performing maintenance on a section of guarding when they placed left arm on an area that was still hot from using the cutting torch. The IE said left arm brushed up against the hot metal and it was enough for the IE to sustain a minor burn to the forearm area. IE was treated at local urgent care clinic and prescribed bactroban antibiotic.

A miner received treatment for rust ring in the right eye, and was issued a prescription.

The employee then reached to close a dredge man door, as the employee grabbed the handle to start pulling the employee's hand slipped off and the middle finger of the left hand swung over to the door frame and got caught between the door and the frame stop. The door impacted the middle finger tip at the stop causing a laceration.

Employee was dragging an ANFO hose along the front of the heading and stumbled. As they regained balance, they strained lower back. Employee began physical therapy on 8/20/21 making this a reportable injury.

Installing control valve, lifting strap broke causing employee to catch hand between machine frame and control valve when it fell.

The employee was stepping down off the ladder and slipped grabbing the handrail to break fall. This wrenched the employee's shoulder causing an injury. Oily residue was identified on the ladder.

Employee was pulling a chain across a belt conveyor and the hook flipped up and hit EE in the mouth. The employee did not want treatment on the day it occured. Was then evaluated on 05/18/21 by a dentist and determined teeth would need removed and repaired.

The employee was attempting to install apron plates and got hand pinched between the existing plate and the new plate being installed.

Employee was removing a rock (approx. 25lbs.) from the screen deck. When we tossed the rock, employee felt a pain in back. Employee was seen at the clinic given ice and ibuprofen. After a week the pain had not resolved and was prescribed physical therapy, making it recordable on 05/07/2021.

The employee was attempting to move a wheelbarrow in the south stone tunnel and tweaked back muscle.

Employee was conducting maintenance work on a guard when at some point debris made contact with employee's eye. Employee was wearing all the required PPE including safety glasses. Towards the end of the shift employee attempted to flush out the eye & thought it was improved. On 01/01/21, employee reported that the eye was red & needed to be seen by a medical professional.

While riding the bus out of the mine, the employee went in to cardiac arrest. CPR was initiated and continued until EMS arrived, employee was transported to a hospital and was resuscitated.

Customer truck driver (OTR -not a miner) arrived site for product. After being loaded driver stopped on route to scale and fell from truck while tarping. Driver injured right ankle requiring EMS. Informational/caution signage posted along entry/exit route instructing drivers.

Mine operator was notified approximately 4 hours later of a customer truck driver that slipped and fell on the ground.

The deceased individual was not an employee of the miner operator & was a trespasser on the site. The individual was reportedly evading police in the early morning hours of 1/7/21. The individual reportedly made it past the location's fence & became a trespasser on property. The trespasser fell off of a highwall & down into the pit.