All MSHA-reportable accidents at Martin Marietta Materials,Inc. operations in 2017. Fatalities appear first.
Plant Foreman was contacted after hours and informed that a transformer had caught fire on the backside of mine property. Local Fire Dept. had already been notified. Cause of fire is believed to be transformer damage due to recent storms.
Employee heard a loud noise near kiln 4. The foreman investigated and found the top of the #4 Raymond Mill had blown off
Hot material from the cooler fell onto cooler product belt and burnt the cooler product belt up.
EE was at crusher console adding hyd. oil to reservoir. While shutting off valve at nozzle end, the weight of hyd. hose abruptly pulled out slack in between hands & into chain holding console door in open position. The weight of hose on chain caused door to start coming downward. EE tried to pull hose clear of lid when lid caught the EE's right hand in between it & console frame.
The operator was sitting in an Off Road Truck being loaded when Excavator swung around and struck the catwalk with the counterweight, shaking the operator on the inside of the cab.
As operator was dismounting water truck, boot caught on the step causing knee to twist
Team member was climbing down off of haul truck to go get sunglasses when ee missed a step, and started to fall ee reached for the hand rail and missed, and fell to the ground. Got a laceration to 3rd digit on left hand.
While repositioning the keeper on the middle pin of the 980H loader bucket linkage, the operator used a 12-lb sledgehammer to tap its edge. The hammer glanced off the keeper and continued to move forward. The operator's left hand struck the boom of the loader, injuring the left index finger.
EE & co-worker were working on CAT 988 loader bucket. EE was inside & Co-worker outside. They were removing cutting plates so that they could replace the teeth on the bucker. The bolt that ee was working with cut through glove, injuring left hand.
EE was attempting to remove a skid steer bucket. When the EE struck the pin of the bucket, the bucket became dislodged and fell on to the EE's left foot.
Employee was crouched down watch oil level during a PM service. When ee stood up, ee felt a pop in right knee
The employee was using a wrench to loosen wedge bolts that hold the bowl liner in the crusher. The employee leveraged the wrench to release the bolt. Immediately, EE felt a sharp pain in EE's left foot as EE's weight transitioned. An x-ray was performed and revealed a fracture of the fifth metatarsal bone in EE's left foot.
Employee removing cover off dryer fan in an awkward position twisted lower back.
Employee was exiting the rock breaker when employee missed a step and fell, ultimately breaking two bones in employee's wrist.
Employee was helping to rebuild crusher. In an attempt to line up bolt holes employee used a crusher line up pin as a hammer to knock the bonnet leg into alignment. While swinging the line up pin, employee smashed right pinky finger. 9 stitches were needed.
Employee was scraping out the side pocket box on Vacuum Truck. The mechanism holding up door failed causing the door to fall and strike the employee's right hand.
Employee was assisting in changing wedge bolts in jaw crusher when the bolt spun and cut employee through employee's glove.
Miner was walking down steps at plant. Miner miss stepped and caught self from falling and felt a pop in lower back
EE was using a cordless drill and a 3/8 drill bit. EE was drilling a hole in a 1/8 inch thick aluminum mounting plate when the drill bit caught causing the drill to grab and twist in EE's hand.
EE reached down to retrieve a grate and experienced pain in back. EE reported the pain but expected the decreasing soreness to go away over time. EE did not pursue or request further treatment until 8/16/17 when EE reported increasing pain in back from the July incident. Lumbar paraspinal muscle spasms identified. Restrictions placed/PT and meds prescribed.
Employee was using a scaling bar to scale down loose material. The loose material then caught on the scaling bar causing the bar to hit the employees leg/knee requiring 6 stitches to their leg.
The injured employee was walking across the railroad tracks towards the employee building and began walking up a small hill when they stepped on uneven ground and rolled their ankle. The employee felt a pop in their left ankle and had swelling.
An employee was assisting a customer truck by cleaning off material from the tailgate. The employee notice the tailgate was not latched, so ee tried to close it and caught the tip of finger between the tailgate and the bed of the truck.
Miner alleges being struck by a rock in the upper left back area
Employee was shoveling material on to the hot skip. As employee was lifting shovel, they felt a pop in their back.
Employee alleged that as they began to climb entry ladder of a haul truck they placed their right foot on the first step. As they took the weight off the left leg the left knee popped and caused pain. EE was seen at a clinic where restrictions were placed on their work activity. No direct cause was identified.
EE stepped on a board and twisted EE's ankle. After being seen at the doctor's office it was determined that a bone in EE's ankle was broken resulting in restricted duty.
After exiting the cab of the underground drill the operator walked on uneven ground and rolled their left ankle. Ice was applied on site. The next day the operator went to the doctor and was placed on light duty for a sprained ankle.
Loader was loading stone into a truck. Stone rolled out of bucket into side board rocking the truck. Operator jarred shoulder.
Employee got out of haul truck on the drum ledge in the pit to move a basketball sized rock out of the way as it was in the way of the haul trucks. As employee rolled the rock out of the way, felt a pop in left arm. Reported that they could not move left arm without pain. MRI shows partial tear of bicep tendon, no surgery or rehab required.
EE working on 992C Loader in shop. EE removed the Shut-Off Solenoid from RR of loader; it dropped to the floor. EE descended loader to pick up the part. EE slightly bent knees & bent over at waist to pick up part when ee felt a pop & pain right knee; ee then fell to the floor holding the knee. EE suffered a Transient Patella Dislocation (small knee cap dislocation).
Strain to lower arm requiring splint for 2 weeks. EE was lifting bags of anfo picking bags up off of the ledge. Grabbing bags with EE's left hand to load the holes. Noticed it about 6pm at home after work. Couldn't get comfortable when EE tried to go to sleep. This morning EE couldn't pick up an orange. Has a hard time opening EE's hand
EE was removing a fork from a fork lift attachment on a front end loader. The fork pivoted, striking the EE in the face breaking their jaw and knocking out a tooth.
EE attempted to reinstall an A/C vent louver. EE placed fingers beside and over the edge of the louver trying to hold the screw so ee could screw the louver back on. The louver abruptly turned resulting in right middle finger and right ring finger to make contact with the squirrel cage fan. EE suffered a laceration and received 5 stitches to the right 3rd finger.
The employee was helping the mechanic to replace the idler on the Komatsu PC220 trackhoe. They were using a hammer to hit a chisel into a slot to help the shaft slide into place. The chisel unexpectedly popped out of the slot and came back and hit the employee in EE's open mouth, injuring two of EE's teeth.
EE was installing a guard on a tail pulley when the guard sprung loose and struck the EE in the mouth.
Employee was changing screens in plant when left knee bumped j-bolt and twisted slightly, causing discomfort. Did not visit dr initially. Worked with no issues until treated for knee swelling/pain on 3/13/2018.
Employee was ascending a set of stairs leading up and into a trailer. EE tripped at the top step and fell onto the hand rail. The end of the hand rail had an exposed burr that cut into the employees arm requiring 5 stitches.
A rock struck an employee in the mouth chipping/cracking their front tooth in two places.
While servicing HVAC outdoor unit tripped on refrigerant hoses with the top of unit off and running. Fell into unit with left arm causing a laceration to the left wrist against the blower motor fan blade.
Employee was using a pry bar to pry class B material (erosion control stone) loose in a clogged chute. As the employee pulled on the pry bar, it slipped loose striking the employee in the left eyebrow area.
was rolling peace of thin metal around another with heat and come-a-long. chain popped on come-a-long and hit employee in face. causing a cple lacerations on face and nose.
Employee was removing a stick cylinder from an excavator, hydraulic pressure caused pressure release getting employee sprayed with hydraulic fluid on the right forearm.
While attempting to grind a piece of flat bar the bar slipped from the tool rest and the miner's thumb came in contact with the grinding wheel.
While employees were clearing out crusher, an employee was reaching over the rubber ring surrounding the crusher with a rod in their hand, and their head was looking over the rubber. A couple of rocks fell from somewhere above, hit the hard hat, knocked it off, and struck the employee in the back of the head.
Technician was removing parking brake assembly from excavator final drive. Tech used a hydraulic press to release parking brake. When tech went to remove snap ring retaining brake piston, piston blew out of housing, piston contacted tech nose and injury resulted in fracture and stitches.
EE was operating a 272 CAT skid loader to remove snow from customer scales and contacted hard hat on the inside of the cab, resulting in the hard hat contacting above left eye. This caused a laceration requiring stitches.
An employee was installing pipe supports for a grizzly. The supports consisted of 8"" schedule 160 steel 52"" long. As employee was installing a support, they pinched their hand between the wall of a the crusher and pipe support causing a laceration require 12 sutures to close the wound.
While operating a loader the operator experienced a heart attack and lost consciousness. AED shock was administered twice while emergency response arrived. The employee was taken to the hospital, resuscitation was not successful. Based on MSHA investigator guidance we understand this to be a non-chargeable reportable since it was the result of a personal health condition.
Non-employee commercial truck driver was removing material from tailgate when tailgate pinched fingers.