Martin Marietta Materials,Inc.Mining Incidents in 2011

Mine foreman was making routine mine checks in affected area around 12:50 a.m. When he entered Mod 12, room 8 he found that an area of the roof had fallen. The area was approx. 60' X 75' X 12' thick. No machinery or personnel were in the area at the time of the fall.

Operator heard a loud pop. When he got out to investigate he found the drill had caught fire. The on-board exting. failed to discharge and a nearby haul unit stopped to assist. The fire was too large and the EE's backed away and called the local fire dept. The fire which lasted slightly less than 30 minutes. A blown hydraulic line was likely the source of the fire.

An unintentional detonation of an undetected charge of explosive material occurred while the Gradall scaler was removing loose rock from the back and ribs of the SW-2 face heading.

The fall was approx. 40'X40'X6' deep. There was slight damage to the elbow of the mine fan and to a electrical panel. This fall partially impedes airflow in the mine. The mine was immediately evacuated after discovery and MSHA was called.

Employee was removing screen material when the screen shifted and he grabbed it resulting in the amputation of the tip of his right index finger.

Worker was attached to a 30' tall rebar cage @ the 10'-15' (foot) height. For an undetermined reason the cage collapsed, bringing worker down with it. A rebar struck him over the left eye and across the ribs. The blow resulted in swelling over the left eye & soreness of the chest & ribs. Required medical attention & several days off to recover.

When ee and coworker were removing the tail pulley guard he stepped over uneven ground and lost his footing. When he stumbled he caught himself not completely falling and hurt his back. Employee has worked full duty with some back discomfort until 3/09/2012 when he had surgery to alleviate the pain. - This surgery makes the incident reportable lost time 03/12/2012.

Employee descending stairs using handrails. Last step was rotted/oxidized and broke when the employee stepped on causing him to be jarred when his weight was thrown forward. Employee maintained an upright position by holding onto the handrails but suffered neck strain.

Was operating a haul unit in mine transporting a load of rock from the face to the primary crusher. Drove over 2 dips in the road causing the seat to bounce and allowing ee to strike his head on cab. Ordinal diagnosis was neck strain and returned with no restriction. EE continued med evaluation & was seen by a specialist on 7/14/11 with recommendation for 3-4 PT treatment.

Mechanic was hammering on a pin with a sledge hammer when a piece of the pin broke off and went into leg.

An accident occurred when a shot of 37 holes was detonated in the pit. The employee was properly contained inside a steel blast shelter at the time of the detonation. However, the blast shelter was improperly placed and rolled on its side following the detonation. The employee suffered 3 broken ribs, a collapsed lung, and a broken bone in his neck and on his left ear.

An Employee was attempting to remove a 36lb submersible pump from a hatch on the upper dock. As the employee was pulling the pump up, it hung on a ladder rung. The employee pulled on the pump a couple of times to try and force the pump loose, which caused the employee to have a back strain.

Employee was pulling a piece of wire from in front of the haul truck he was preparing to operate. He felt a pain in his lower back and went to the clinic where he was diagnosed with a mild back sprain. He returned to his regular job as truck driver. His condition improved until 06/06/2011 when it unexpectedly got worse and the doctor put him out of work.

On an icy day the loader operator started his loader and climbed down. The operator slipped and fell on ice. The manager helped him up the operator was okay. In August the employee reported pain associated with the fall, after being diagnosed with a degenerative issue claiming the fall aggravated his condition. September 15, 2011 employee had surgery to repair his condition.

When dismounting EX-0543 (Excavator) operator slipped and fell about 4 ft onto rocky ground, spraining his left ankle.

EE was changing screens in a 6' X 16' screen deck. He attempted to move the top screen using a bar inserted down through screen. When he pulled on the bar he felt a sharp a pain in his low back. he was diagnosed with a muscle strain.

EE was performing his regular job on 6/01/11 when a piece of slag burned him, at the end of June ee was still experiencing pain and reported to the office that he needed to seek medical treatment. On June 27, employee was written out of work for medical treatment due to his diabetes not allowing the injury to heal making this a lost time incident

Employee pulled some electrical cable by hand to move it from one area to another and felt numbness and tingling in his left elbow and fingers.

Injured employee was using a sledge hammer while repairing a crusher, and he felt pain in his shoulder. After several weeks, the pain lessened, but did not stop. A second medical exam and MRI revealed 'impingement' of the rotator cuff, and surgery was recommended. The surgery was completed on May 20, 2011, and he returned to work the next scheduled work day.

After returning from break, the 3 employees proceeded to climb back up the structure. The employees had on all required safety equipment. Once the employees reached about the 15 foot level, the complete rebar structure failed and fell over onto the North side. Jobsite was scheduled to shut down on 12/22/11 for Christmas break and reopened on 01/03/12.

Employee was moving the gasoline de-watering pump, shifting it down hill. Reached to get gas can and felt a twinge in lower back.

While exiting WA500 loader, employee slipped off and fell to ground below. Landed on left foot and left hand. Employee was standing on top step of ladder and had lunch box in left hand holding handrail. When employee closed the door he reached to grab hand rail with right hand and missed, lost his balance and fell to the ground.

Contractor foreman was cutting a 10"" cast iron ductile water pipe using a gas powered saw. At approx. 1:35 the non metallic saw blade suddenly broke and pieces flew out from under protective guard. EE was wearing a secured full face shield. However, pieces flew up under the shield causing a laceration to the right side of his face. Sutures were required. RTW next day.

EE and 2 other repairmen were removing the #1 ESP discharge hopper covers after unit shutdown to cool. Hot dust flushed down from inside the hopper and fell onto EE's lower left leg and safety shoe causing burns requiring medical attention and restricted days to heal.

Employee was exiting the cab of the Chevrolet 6500 truck. A rock was below the feet where he would step down. He stepped down and twisted his left ankle. Restricted Duty - employee was not able to return to regular duty on next scheduled workday 11/03/2011 making this a reportable injury.

Employee was using a pry bar when it slipped and smashed his left ringer finger on a head box.

He was changing screens in the wash screen and reached up and rubbed his arm across the frame and felt soreness in his wrist. He looked and a big whelp was on his arm, just above his wrist with a red streak going up his arm past his elbow. It appeared to be an insect bite.

Trying to lift hood on Mack truck and it caught and employee pulled second time and something popped in shoulder. R. shoulder/cervical strain plan - alternate ice & heat to area, take Naproxen (he already has a prescription) Robavin 750 mg & Ultram 50 mg. Follow up in one week - use sling provided - no use of R. arm.

Employee was pulling drawer full of rock out of the Gilson shaker screen and the right hand corner of the drawer stayed in the slot and the left hand corner came out. The drawer tipped left and started to fall and the employee tried to catch it and it hit him in the wrist causing swelling and pain to left wrist.

Employee and another worker were attempting to load scrap railroad ties on to a trailer. When employee attempted to move a tie by hand, the tie rolled over and the employee's glove caught on a splinter. His hand was caught between two railroad ties smashing his L-3 finger and lacerated the tip of his finger. Restricted duty - no use of left hand.

Employee was exiting truck backing down the steps and missed a step causing him to fall backward resulting in a strain to his groin muscle.

Employees were using Lull to lift rollout box when it became hung. Employee had Lull operator set it back down and tilt the Lull to the side to try and free it up. Employee tried to look to see why it was still hung up and the box came loose striking the employee in the leg/knee. Fracturing the back of the left knee.

EE parked the vac. truck and was dismounting from the driver side when he stepped down with his left foot facing the unit when his foot slipped off the access step causing him to swing into the cab floor. EE cont'd. working and reported the event later that day. On 2/3/11 medical attention was required and the EE is now on temp. restricted duty until the rib cage strain heals.

Switchman alleges that while walking over to the center scale track to cut the end rr car away from the train, he tripped and fell causing an injury to his left side. He reported the event to the Co later the next day and continued working until 2/4/11 when it became necessary to seek medical attention. EE left ribs requiring work as Loco Op now until healing is complete.

Employee was climbing down an 8 foot A-frame ladder. The employee lost his balance and fell about 4 feet to the shop floor.

QC Lab Tech was getting #4 Kiln Lime sample @ approx 11 PM & slipped going into NW corner doorway. She later reported her rt knee was sore & continued working throughout her schedule w/o incident. On 1/10/2012 she requested a diagnostic exam to check it out & a strain was diagnosed w/o any restrictions. Later PT was requested began on 1/18/2012 making incident reportable.

Worker was attached to a 30' tall rebar cage @ the 10'-15'(foot) height. For an undetermined reason the cage collapsed bringing worker down with it. A rebar struck him in the mouth & cut his upper lip requiring stitches. He was released the same day, RTW on the next work day.

An employee and a contractor were welding inside a crusher. After the shift, the employee noticed that his eyes were stinging. His eyes were flash burned by the exposure to the other welder' s arc.

Employee was removing a two piece v-belt guard. The top piece of the guard was removed, one of the bolts out of the underside of the lower piece of guard slipped down and hit his right arm just above the wrist causing a laceration. He received four sutures making this a reportable medical.

Employee was removing a piece of screen cloth from a discharge box it was held above his head due to how it has to be removed. It slipped out of his hands and fell hitting his back left leg and caused a cut *requiring nine stitches.

Employee was cleaning around the plant with a walk-behind bobcat. He had made several passes around a concrete pillar. The employee back into the pillar pinching the palm of his hand between the steering controls and the pillar.

Cutting out pin retaining bolt, bolt broke and struck employee in chin causing laceration requiring 4 stitches...no lost time.

Employee was trimming center hold-down rubber on screen with an auto-retracting utility knife when the knife slipped and he stabbed himself in the left wrist. The resulting puncture wound required three stitches to close.

Employee was entering the Chattanooga scale house when her foot slipped off of step and she lost her balance and fell on stairs, breaking her fall with her left arm. Employee's toe caught the end of the step causing her to trip. She has fractured her left arm.

EE was catching a sample and reported a pain in his left elbow. EE was terminated on 9/6/11. During separation from company ee received physical therapy, ee was reinstated on 9/21/11 and made whole.

Employee was using a 1/2"" drive air impact wrench with a swivel socket extension to loosen bolts on a wash screen to change screen cloth. Employee failed to wear provided gloves and grabbed the swivel with his right hand and twisted it while applying air to the impact gun. The swivel caused a 3 cm laceration requiring 9 stitches to close

Employee was cutting rail rubber for a screen deck when knife he was using slipped out of the cutting surface it lacerated his left hand. The employee was wearing leather gloves and cutting away from himself. The employee was taken to the hospital where he received six stitches.

Getting out of a stock pile truck. Pushed down on the door handle, breaking the handle and lacerating the left hand on the broken piece.

Was working on Gradall Scalar installing cab mount bolts. EE was standing under the cab tightening bolts. Socket needed to be slip past some hoses that ran through the area were the bolt was located. After ee had tightened the bolt he was attempting to remove the socket when it was caught between the hoses and dislodge from the extension striking ee on front tooth.

Employee fell down 4 stairs and strained her left knee. Has been treated as a first aid and became a reportable the end of July.

Miner was pulling in a dredge cable when a tiny piece of the cable inadvertently punctured and entered the miner's left knee and lodged itself between his knee cap and tibia.

While walking thru the plant area and pointing and giving direction to another employee who was operating a piece of equipment, IW tripped falling on his left knee.

EE was poked in finger by small wire strand when she was checking the engine oil as part of the pre-operation inspection. The wire was a frayed strand of the cable type dipstick. EE was seen by a doctor and prescribed an oral antibiotic medication.

EE was removing a 3.5"" piece of shaft used as a safety block in the crusher when the shaft slipped from the far side of the crusher pinching the EE's right thumb against the frame of the crusher resulted in lacerations and a chipped bone. Medical only no lost time.

While replacing tail pulley, hand was pinched between shaft & frame work - back of right hand required 3 stitches.

Employee slipped on some ice and strained his left knee.

Employee was working in a chute on station #3 when a piece of plate he was holding in place to weld, fell, striking his left hand.

It was confirmed that this miner sustained a recordable STS in his left ear

Employee was diagnosed with tendonitis by EMG on 8/16/11. Employee claims the injury was sustained from accumulated repetitive motion. Employee will under go therapy on 8/30/11.

Employee was meeting with a local Sales Rep in the office when he complained of dizziness and chest pain/racing heart. Office Manager was instructed to call for Local EMS. Employee was transported to hospital for evaluation.

Employee was assisting with the stemming of a shot. Employee finished task and reported that he was feeling ill with chest pain. Local EMS was notified and he was transported to the Hospital. This event was found to have been medical in nature and not related to mining activities.

EE was working in secondary plant inspecting & greasing when he began to feel ill. He went to employee break room to sit for a few minutes but felt no better so he went to office. Plant manager took him to nearby med. clinic. The doctor suspected a heart problem & had him transported to Wake Med. hospital. He was kept, tested & released on 06/09 with no diagnoses & no restrictions.

Employee became ill while weighing customer trucks. 911 was called immediately, MSHA number was also called. ee was transported to Iredell Hospital, was diagnosed with 2 tumors on his brain. The tumors triggered a seizure which is what ee suffered in the quarry office. *This is not a reportable injury however we are reporting because we called the 800 number as a precaution.

At approx. 8:30 the mgr.was notified of the arrival of EMS at the plant gate. They said they were responding to a call from a Customer Truck Driver who thought he was having a heart attack. They started treatment and transported him to Wake Med. MSHA was notified at 8:45. We did not get any info on his condition. EMS did not think it was very serious.

Plant manager was speaking with Guilford County Deputy about trespassers at the inactive Hicone Quarry when Deputy told him about a suicide that had occurred on 6/11/11. We received this information at 2:20 6/20/11 and called MSHA at 2:34. The case no. is 110611011 Guilford Co. Sheriff NC. Investigator of the Sanford NC field office investigated the incident.

EE was operating the dozer and about 2:00PM he began to experience chest pains. He called another EE on the radio and he called foreman and the office. An ambulance was called and he was transported to the hospital. MSHA was notified at 2:10. EE was kept overnight for observation and tests and a heart attack was ruled out. No definate diagnosis was given, he RTW w/no problems.