Martin Marietta Materials,Inc.Mining Incidents in 2013

At approx. 12:15AM, maintenance shutoff #5 Coal feeder to inspect drive belts. When the #5 Coal Mill suddenly had an internal coal dust ignition. The force blew dust up thru the feed hopper and blew off the lower inlet duct inspection door. Minimal damage with 6 hrs. to clear, inspect system and investigate cause.

An ignition incident occurred during the relighting of #4 kiln after an electrical storm. The Raymond coal mill was cleaned out of coal dust but when the mill was started, coal dust remaining in the mill ignited inside the kiln. No damage or injury resulted from this incident.

The conveyor belts in the lime tunnel which move material from production to storage caught on fire. Estimated damage is $30,000.

At 1:15PM a fire was reported in the MGO warehouse by plant operators that required both a Fire Dept.response & reporting to MSHA @ 1:28PM. The fire lasted beyond 30 minutes until extinguished @ 3:22PM. Extensive water damage of bagged MGO product from fire Dept.There was not a direct cause of the non-injury fire determined by the Woodville Fire Dept. or the company at this time.

Employee was installing roof bolts when his finger was caught between the basket and the ratchet.

EE was contacted via radio by the leadman that the 834B had broken the drive shaft. The EE returned to the machine and placed a bar on the steering cylinders and ratchet strap around the bar and the drive shaft. While attempting to position the drive shaft for re-assembly the strap and bar fell causing the drive shaft to fall onto the right ring finger severing the end.

Miners were replacing the cable that controls the extension and retraction of the telescoping end of a stacker conveyor. The telescoping end of the stacker moved causing tension on the cable. A miner's foot was caught in the cable resulting in a broken leg. The miner was airlifted to a local hospital. The miner's left foot was amputated just above the ankle.

The EE was installing a pin on a crane. Using a hammer the EE made contact with the pin. During impact a piece of the hammer came and struck the EE in the left forearm. The piece went into the forearm.

Employee was descending a John Deere 300D with a 2-way radio in hand when he fell backwards striking his head. The result was a head injury.

Employee states that he carried 5 pails (5 gallon) of oil up a flight of stairs to perform a PM on a haul truck and noticed a stinging sensation in his lower back. His physician has ordered physical therapy for his lower back and taken him out of work for 4-6 weeks. He has just put us on notice of the injury. Employee did not report at the time of injury.

Employee was in the procees of jacking up a loader when the machine fell. Employee sustained broken ribs and shoulder sprain.

EE was traveling in a Cat 990 loader he stopped machine & contacted manager indicating that was injured. Manager found EE standing on loader outside cab & complaining he was in significant back pain & needed medial attention. EE was taken to hospital and referred to Occ Med facility. X-rays indicated no injury EE is seeing person physician while remains off work.

Employee working on electrical service, when re-energizing MCC after fix, arc flash occurred.

Employee was changing a hydraulic hose on a front-end loader and injured his left arm.

EE was kneeling while making repairs to a BTI powder machine. The EE attempted to shift from his knees to a sitting position and felt something ""pop"" in his knee. Initial diagnosis was knee sprain. MRI later confirmed a tear.

Utility Equip. Op.,EE walked out of the locker-room into the hallway when he slipped on water from an overhead A/C unit. He fell onto a concrete floor causing an injury to his back and right hand requiring medical attention.

Employee was flipping over a piece of steel, had gloves on, and the metal slipped and pinched his ring finger on the left hand.

An employee was using a pry bar to remove screen cloth. The employee told the Plant Manger later in the work day his shoulder was sore. The employee was sent for a medical evaluation and was diagnosed with a muscle strain and returned to his regular job. After continued soreness he was sent for an MRI, which revealed a tear of the rotator cuff.

Two employees were in the process of making welding repairs to the back of a skid steer loader bucket. The hoist cylinder continued lowering until it free fell forward and downward. When the employee realized the bucket was falling, he moved backward and the attachment ear on the right side of the bucket landed on top of his right foot crushing three toes.

The night of 2-20-13 a winter storm left snow and ice at the quarry. After the morning meeting on 2-21-13, employee proceeded to walk towards mobile equipment using a set of steps that were ice covered. Holding onto hand rail he fell twisting left knee. Employee worked but knee kept bothering. Work comp approved an MRI on 3-25-13 MRI results shows a tear at dr appt on 4-2-2013.

Miner broke right foot while removing bucket from a skid steer.

EE was loading boxes of resin to roof bolter when he felt a ""pop"" in shoulder. EE was treated on site but continued to experience pain. EE was seen on 11/19/13 at Occ Med clinic diagnosis was possible rotator cuff tear. MRI was completed on 11/21. No tear was found. EE was prescribed 6 sessions of PT starting 11/20/13. EE continues to work regularly scheduled hours.

Employee moving anvil on boom (crane) truck. Slid it too close to bucket and caught right middle finger between anvil and bucket smashing finger.

Employee was replacing the plow bolts on a cutting edge of a loader bucket when his hand slipped and was cut by the edge of the plow bolt.

EE was in the underground shop working on the scaler, EE tripped on the mono-rail and fell to the ground. EE landed on his left knee cause the fracture to the patella.

On 8/4/2013, EE reported that he injured his rt. shoulder working 8/1/13 to closed the #2 Baghouse By-pass slide/gate. Resulting in medical,pt, and temp. restrictions until recovery is complete. RW

Agg Truck Drivr was going to drive R25 Haul Truck, #14-0339. After checking out the truck, while @ the N. Quarry Shanty @ approx. 7:15 AM, he was stepping back out of the cab, he slipped off and fell 4' landing on both feet. In the process he was holding the right grab rail and injured his rt. arm shoulder requiring medical attention.

Employee was removing a screen from a screen deck and contused his hand. Incident was originally not considered reportable. Employee was referred to a specialist after pain. Found to be an aggravation of arthritis and was placed on confirmed lifting restrictions on 8/15/13. Date incident became reportable.

Injured right tendon in calf closing gate.

Employee was moving some chains and was apparently bitten by an insect. Area became inflamed and he was seen by a physician on 6/12.

#7 Kiln Leadman was mounting the plant made 40# steel bracket in front of the #7 Kiln firing hood during shutdown to attach Ind. Kiln gun to trim coating. While handling the Tee shaped bracket it suddenly dropped into the receiver and caught his left fifth finger against the housing causing an injury requiring medical repair.

Tech was backed up to a 777C wheel to install wheel studs. The hooks were too small to properly fit in the hole to lock hold. Tech was holding the hook in place and when the load hit the hook, it slipped out and caused nail avulsion on Left Middle finger.

EE was removing a section of wear plate steel with a torch. As the final cut was made the plate fell and landed on the EE's left hand dislocating three fingers and lacerating the palm.

Employee was assisting with loading a hammer bit into the bucket of a backhoe. The bit was being pushed forward and it shifted and grazed the employees knee. It caused a laceration just above the right knee. The laceration required six stitches to close the wound.

An employee was changing v-belts on the portable plant. The motor was lowered to reduce tension, but some tension on the belts still remained. As the employee removed the belts the tip of his finger got caught in a pinch point between the belt and the wheel, this required the employee to have a couple of stitches on the tip of his finger.

While walking miner felt a pull in the left calf area.

While exiting the cab of the drill the operator was looking back at the engine compartment checking the AC unit which was worked on earlier that morning. At this point the EE said when he twisted to look in this area his knee gave out and he lunged forward catching himself with his right arm on the door jamb (EE was standing on the ground when knee gave out)

Climbing down ladder from top deck station #3, when knee twisted & popped. Employee was done with work on the top deck Station #3, as he went to the ladder to get down he turned sideways to get into the ladder and popped his left knee. This first aid incident did not reveal to require surgery until May.

Employee had hooked a pipe wrench to the hydraulic cylinder to hold the drill steel while he attempted to loosen the bit. The pipe wrench twisted and dropped, striking and breaking the tip of his finger on his left hand.

Mason/Labor was walking down #6 Stairway carrying a box of dust suits. A sudden gust of wind caused him to grab the hand railing with his Rt. hand to catch his balance. He gripped the railing catching the small finger on upright support pipe twisting the finger sideways. Injury required medical and limited duty until 2/21/2013

The EE was instructed to push in the 3I surge pile. the EE exited his loader to remove cones that were in front of the syntron hole. when the EE went to move the cones he slipped on ice/snow that was in the yard catching himself with his left shoulder.

Employee was changing spring on a deister screen. They were holding the screen with a cable and crane. The cable broke and the screen dropped causing something to strike the employee in the chin. The employee required stitches and repair to two teeth.

Employee was walking, looked up for a moment and fell down, resulting in a broken left wrist.

EE struck his gloved hand against the handrail while swinging a 10lb sledge in an attempt to knock loose accumulated material in one of the bins he thought had built up during the days operation. The injury was small avulsion on the outside of the knuckle on is right index finger. The injury required 2 sutures. The EE was released the same day with no restrictions.

EE was operating the D8 dozer, the weather was raining and drizzling, the side windows had a lot of mud built up and needed cleaned off. EE had just finished cleaning the last window and was stepping out and around the door of the dozer when he lost his footing and fell off of the cat walk. As he was slipping he pushed himself and fell to the ground.

EE was working under a haul truck. When he crawled out and tried to stand up he stepped on a rock and twisted his ankle.

Employee was opening the VSI crusher lid and middle finger got stuck between the hopper and the crusher lid. Employee obtain 10 stitches on the bottom of his middle finger.

Employee was finishing concrete for a flag pole. The employee was removing excess concrete from the trowels, as he slid the trowels together he received a small cut on the knuckle of his hand. The cut required three stitches.

EE was using a side grinder when it kicked back and up striking him in the forehead causing a laceration above his Rt. eye that required stitches to close.

While moving rock box to align bolt holes cut left hand palm.

EE was attempting to throw a rock approx. 2' x 1'x 4"" behind him from the face when the rock caught on his glove causing his right hand to contact another rock on the ground breaking his right ring finger.

Lacerated left hand index finger while handling 6x2 worn feeder plate.

While preparing to load drill holes with ANFO miner grabbed a rock with his hands. The rock slipped lacerating two of the miner's fingers on his left hand. The lacerations required stitches.

Employee claims he hurt his back lifting a seat assembly out of a 992D FE Ldr. He went to the dr on 2/14/2013 and the doctor returned him to FD and told him to take Tylenol. He rtn'd to the dr on 2/21/13 still complaining of numbness in leg and doctor gave him 2 prescriptions, felt it was a strained hip and told him to go to therapy, but rtn'd him to his regular full duty job.

The employee was cutting a 60"" under screen belt when the knife slipped out of the belt and cut his leg. The laceration resulted in 5 stitches.

Illness related to silicosis.

Driller came forward on October 28, 2013 and reported carpel tunnel and went back to work. He has now come forward again and is scheduled for surgery on 2/5/2015.

Employee was having chest pains and feeling weak after he had been working in the heat. It was determined the employee had became dehydrated.

Employee was changing screen cloth on number 3 screen, when he became weak. He notified his coworkers at which point they stop working and attended to him. They believed his sugar was low, but it ended up being heat related.

Employee was operating a grader and experienced what appears to be a heart attack and drove the grader into a berm.

Employee was operating an over-the-road truck on a public road, when he became nauseated due to a migraine headache. The employee turned the truck around and returned to the shop. We are submitting the 7000-1 at the request of the Field Office Supervisor. We respectfully protest the submission of the 7000-1, as we believe it is not a reportable event.

A trespasser, along with 6 other teenagers entered the mine site illegally to go swimming in the pit pond at the lowest level of the pit. One of the trespassers was injured when he fell from the high wall into the water. Our understanding is that he broke a bone and had a fractured skull. This injury is not chargeable to the mine