All MSHA-reportable accidents at Martin Marietta Materials,Inc. operations in 2023. Fatalities appear first.
The blaster had just set off a blast and smoke was observed on the south side of the mountain after the dust from the blast had cleared. The Plant Manager checked the smoke, noticed a small fire on the south side of the mountain and notified the local Fire department and MSHA.
Belt stoppage allowed hot material to accumulate on cooler belt causing a belt fire.
Miner operating a front end loader loading material into haul trucks. During the process a fire sparked inside the engine compartment. Miner noticed fire, stopped loader and shut down the engine. Miner then evacuated to the ground and left the immediate area. The fire was isolated to the loader only. No other property damage occurred.
Fall in the tunnel occurred 3/5/23. That same day several MSHA personnel had a call. It was determined the fall didn't need to be reported since the structure was designed for such an event. On 3/21/23 another MSHA inspector and field office supervisor instructed management to submit a 7000-1 for this event.
Tech was attempting to remove a brake hose from a wheel load when the tech was struck on the right side of face
Employee was operating a loader and was jarred by falling material.
Arc flash occurred, causing burns to the face and right hand.
Employee was in the process of fueling a diesel powered water pump. As they walked to the pump in the rain they slipped on a muddy surface and fell. The employee fractured their right leg during the fall.
The workers were lining up some chutes, they were lifting them up with picking eyes, as they were hoisting the steel plate it got caught with other steel, when they were about to loosen the hoist the plate got loose from picking eye and dropped, nobody was underneath the steel plate but it bounced from another steel and it just caught one of our workers
The employee was lowering a primer assembly into the borehole when EE lost EE's footing and fell to the ground. EE injured EE's left thumb as EE put EE's hand down to break EE's fall. The injury is a severe strain.
An inspection door, approximately 29"" x 32"" x1/4"", fell from a screen striking a miner who was positioned on the stairwell below the door's location on the head.
Employee felt pain in lower right abdomen when loading glue into bolter
Employee was attempting to dislodge a rock that was caught between the frame and arm of the #1 cone crusher. Employee grabbed a chipping hammer and hit the rock, attempting to break it, as EE contacted the rock, debris went underneath EE's safety glasses and hit EE's right eye.
A skid steer bucket fell on employees fingers.
The employee was using a hammer drill at the primary crusher, the drill rotated unexpectedly. This unexpected movement resulted in three fractures to the right hand.
Employee was moving liner plates on a pallet and caught finger between two liner plates
Employee received a finger injury while replacing a crusher bowl.
A man lift descended unexpectedly while two employees were in the basket
Employee was climbing down the front end loader ladder, as EE stepped off the bottom rung, EE slipped and fell.
Employee was loading structural fill with CAT 982 loader, dust got into eye because the cab door was not completely closed. Employee was taken to the local clinic, diagnosed with infection of the left eye.
Employee climbed ladder to enter loader and felt pain in right knee. Injury became reportable 18 Sept 2023.
Employee was shoveling around the locked out tail pulley. EE climbed between the trusses of the conveyor and shoveled toward the tail pulley. The belt rolled backwards and EE placed both arms toward the tail pully, placing arms between the tail pulley and belt. The belt continued to roll backwards pinning EE's arms between the tail pulley and belt.
The employee was attempting to adjust the tail pulley using an battery powered impact, when the rear of the take-up broke free, causing the impact to spin lose pinning their right thumb between the impact and guard.
EE picking up a rock out of a crusher and rock shifted in hands causing hand to be caught between rock and side of crusher
The employee was connecting a water hose to the drill to fill with water. Once connected, EE turned back and tripped over the hose that was laying on the ground causing EE to fall and dislocate left middle and index fingers.
Employee was descending a ladder following changing a light on a front end loader. Accidently stepped off the second rung and fell. This resulted in a back contusion and restricted duty from occupational doctor.
Employee was loosing a bolt on a hammer attachment mounted to an excavator. Lost EE's balance and fell, fracturing EE's left wrist.
While performing screen maintenance, employee stepped into open hole and fell to same level.
Employee stated while using a battery operated grinder to cut a bolt off of a belt roller bracket, the grinder recoiled back striking EE's left knee, resulting in a small laceration requiring 6 sutures
Employee was changing a drill bit and struck left hand.
Employee strained right shoulder while removing a steel plate. Accident became reportable on 04/27/2023.
Employee was opening a door on a pickup, when a gust of wind caught the door. The employee held onto the door straining their left shoulder. Employee reported the injury 03-17-2023.
Employee trimming belt, cut hand.
Employee was descending stairs, misstepped and slid down stairs. Employee hit elbow on stairs
EE was using a bandsaw to cut a 350KCmil wire. While cutting outward, the saw caught and snagged the wire, and the saw turned toward the EE. This motion made a minor laceration on the EE's right index finger, resulting in three stitches.
Employee was cutting door trim with a utility knife. The knife slipped cutting the user.
A man lift descended unexpectedly while two employees were in the basket
Employee contacted finger while swinging a sledge hammer.
Employee was remounting the wheel chocks on the 980G Loader when it slipped smashing employee's finger.
Reinstalling tail pulley guard with another miner when guard slipped and cut finger thru gloves.
Employee complained of dust in eyes while walking across the plant.
EE moved a 50lb welding rod container to a job site location to begin welding. As EE began to set the container down, EE's left wrist came in contact with a sharp bur on the can resulting in a 2 inch laceration that later required 7 sutures to close. The EE was wearing the required glove, but the cut occurred above the cuff to an exposed area of skin.
Employee missed a step and fell backward hitting EE's head, causing a small laceration resulting in two staples.
tire bar slipped out of tire and cut their lip 10 stitches
Socket slipped off the allen head bolt and allowed forearm to hit the machining rail causing a cut. The cut was wrapped and employee was taken in to the doctor for 11 stitches. Dr report states: laceration without foreign bodies. Employee was medically released without restrictions, and returned to work.
Employee received a laceration, requiring stitches, to EE's right hand when tightening bolts on a pipe.
Employee was cleaning the inside of a Komatsu 785 haul truck bed using a hose and ball valve nozzle opened about half way. This wasn't enough pressure to clean out the bed, so EE opened the ball valve to full open causing the water pressure to increase. This increased the force behind the nozzle causing the hose assembly to lift striking and leaving lacerations under EE's chin.