Martin Marietta Materials,Inc.Mining Incidents in 2005

Roof fall in intersection of V6 & N34 - Sta. 98. Roof fall in N34 extended into and across V6 causing steel roof supports to collapse blocking access to North side of the mine.

Roof fall in N22- at CV2andCV3 conveyor transfer point. Damage to #2 Conv. and support stucture.

Employees were performing the shift inspection and found a roof fall that had fallen out above the anchorage zone!

Roof fall in abandoned area of north side of the mine. Area had been previously been barricaded off due to bad roof conditions.Fall was at intersecton of 3A & S16 . Secondary escapeway was inspected and found secure .

Roof fall in A3 at station 78 .Fall area has been blocked off at both sides and alternate route has been established

Roof fall at Sta. 49 damaging Ci conveyor and the steel arch covering the conveyor.

A screen fire was started during construction of the new secondary plant. Belt 26 was started & it was rubbing on the structure, so EE trimmed a small piece of metal with a torch. Some of the slag fell to the screen deck below & started a fire on the rubber screen deck. The fire was extinguished in about 45 minutes. No injuries.

A crew of 4 men were installing a belt, using a forklift and boom truck. Two employees were watching. One stationed at the tail pulley; one between the tail pulley & boom truck. The Forklift was on the opposite side of the conveyor pulling the belt. As the belt went around the pulley the employee reached in. The belt jumped and pulled his hand into the tail pulley.

Employee was pulling extension cord while grinding and tripped over the cord and fell.

Loading rock from muck pile in pit big rock hit bucket and jarred machine causing injury to back. Employee going to physician to check out. Continued having problems. Put out of work by Raleigh Orthopaedic 11/28/05. Released to return to work 12/5/05.

Dump area was getting undercut. Loader operator warned truck driver about situation and no response. Next load brought up, he backed up too far and the pile gave way and the truck slid down the material and flipped over onto its top. Truck operator was not wearing a seatbelt.

Employee driving loader on levee not fully formed. The levee collapsed turning loader over on side. EMS was called but employee refused treatment stating he was fine. He worked the remainder of that week and took vacation the following week. On 10/24 he missed work saying that he was indeed injured. At this point the incident became a lost time accident and then became reportable.

Walking to pick up and slipped on stone dust which twisted his left knee.

Two men, Other ee and EE were picking up rebar to stand up vertical got out of baance and fell back.

EE was underground in shop to obtain diesel welder. The jack of the welder was broken. EE lifted up on the tongue of the welder to hook up to the pickup & twisted his back. Taken to doctor; conservative course of treatment followed until it was determined surgery was required. EE had surgery on 1/19/06 for a herniated disc & is expected to make a complete recovery.

INJ EE & ANOTHER EE WERE ATTEMPTING TO RETRACT THE LANDING GEAR OF FUEL TANK WHEN THE LEG GAVE LOOSE QUICKLY WITH NO TIME TO REACT. THESE LANDINGS ARE HEAVY LEGS THAT HAVE TO BE LIFTED MANUALLY AND FROM UNDER TANK. EE'S THIRD FINGER ON RIGHT HAND WAS INJURED RESULING IN LACERATION & FRACTURE

While climbing down from a lathe set-up process, an intermediate step was not used which caused an oversized step or fall that resulted in an abrupt and additional force to employee's knee causing hyperextension injury.

Transformer weight was 8000#. Two employees were digging underneath the transformer to remove conduit and in doin so undermined the transformer causing it to fall. It hit one employee on his left side.

PERFORMING ROUTINE ELECTRICAL HELPER INSTALLATION TASKS. EE WAS IN THE PROCESS OF CARRYING CONDUIT FROM A STORAGE PILE TO THE WORK SITE. WHILE CARRYING CONDUIT ON SHOULDER, STEPPED INTO A BLIND HOLE APPROX 12"" DEEP. EE FELT SORENESS IN HIP AREA. NEXT DAY, EE WAS IN PAIN WHEN REPORTING FOR WORK, SENT TO HOSPITAL. XRAY REVEALED A FRACTURE OF THIRD VERTEBRA.

Two repairmen were changing the drive brg. on the #1 dust elevator. With the unit down and locked out, one one holding up the 2"" drive shaft with a 6' long steel pry bar while the other was preparing the mounting surface of the drive with a chipping hammer. While he reached into the area with his left hand the shaft suddenly slipped off the bar and pinched his left index fingertip.

EE was using a 3/4"" ratchet drive to tighten flange bolts on dredge shell. EE attempted to put all his weight on handle by picking his feet up off the ground. The drive gears slipped causing EE to fall to the ground in a tucked position. Initial complaint was foot pain and over the next few days and weeks his back began to hurt.

Employee was scaling in an intersection when the back fell on the machine knocking the front windshield into him!

While changing jaw dies on the jaw crusher, Employee was getting set up to trim an old die to fit the rock box between the feeder & the jaw. While moving this die that weighed approx.1000#, the lifting chain came unhooked alowing the die to fall over the work platform. As it fell it struck EE's rt. leg scraping the skin. It also smashed his steel toe in his shoe.

We were made aware on 3-16-05 per dr that ee now has reportable injury sustained contusion on right elbow. Hit elbow on floor plate on side wall when handing a welding helmet to witness.

While assisting loading a shot at Onslow Quarry, carrying 1 50# bag of ANFO on each shoulder, slipped on shot. Did not realize anything was wrong until next morning when back hurt so badly he could not get out of bed and had to call for an ambulance.

Employee was attempting to shut the tailgate of a pickup truck when he jammed his thumb resulting in a fracture!

Employee was exiting powder truck in wash area of shop. Upon setting foot on uneven ground employee sprained his ankle.

While closing magazine door on powder monkey, he was holding one door closed with left hand and slammed the second door with right hand. When the door slammed shut, it shut on his finger.

As employee was tightning the rear diff. housing bolts, the wrench he was using slipped off of the bolts. This caused stress to his middle back.

Employee was traveling roadway; says loader tire hit pothole and seat bottomed out and hurt his back.

Employee was climbing onto rock breaker, when he pulled himself up on the tracks he twisted his upper back. Three point contact was used.

Employee was travelling through the mine on his roof bolter when he hit a hole that resulted in a neck strain

Ee was operating yard loader when he drove across an intersection that had some material that created a bump in the road. The operator claims he felt a pop in his neck and later began to fell stiff and had tignling in his fingers.

Employe was using an oxygen and acetylene torch when he dropped the torch and it burned his hand!

EE WAS CLIMBING DOWN FROM LOADER WHEN HIS LEFT ANKLE ROLLED AND TURNED WHEN HIS FOOT HIT THE GROUND.

EE was cleaning rocks off a catwalk and strained his back. (EE was kicking/pushing the rocks off with his foot.)

EMPLOYEE WAS TIGHTENING NUT ON BOLT WITH BOX END WRENCH. THE WRENCH SLIPPED OFF THE NUT CAUSING HIS ARM TO JOLT BACKWARDS CAUSING PAIN IN HIS RIGHT SHOULDER.

Employee was working on a conveyor when a back plate that he was removing slipped and he tried to catch it injuring his shoulder. This injury was not reportable until after he had surgery to determine if it was in fact a work related diagnosis. His Surgery was performed on 3/10/06.

Employee was carrying a piece of metal when he hurt his back

Employee was working inside #5 cooler, using a cutting torch at approx 1:30 pm, when he slipped causing the torch to fall into his glove. Ut burned his right hand, requiring medical attention and restricted duty beginning 8/8/05.

Chute work under screen #7 had stopped up. Injured and other ee were washing out the chute. Other was on top washing under the screen and injured was below on the catwalk washing out the lower part of the chute.

MGO PLANT OPERATOR. CAKED/SETTLED SLURRY AT BOTTOM OF R107 REACTOR FOLLOWING 4-HR. POWER OUTAGE. AGITATOR DRIVE WOULD NOT TURN; DECIDED TO USE 20'-LONG AIR LANCE TO STIR SLURRY MIX & TRY RESTARTING DRIVE. WHILE PULLING OUT THE AIR LANCE WITH 5' LEFT IN THE VESSEL, A SUDDEN BURST OF HOT SLURRY MIX CAME IN CONTACT WITH EE'S LOWER L. LEG & R. ANKLE. RESTR. DUTY BEGAN 6/15/05.

Employee was using a 2 lb sledge hammer to loosen a bolt when he hit his knee!

Laborer had been shoveling materials most of the day on 5-11-05. At approx 1:30 pm, while shoveling into dumpster box under #4 preheater he alleges feeling a tightness in his lower left back from lifting and twisting. He kept working and reported the incident to the company on 5-12-05 and due to additional soreness on 5-13-05, medical care was provided.

REPAIRMAN WAS INSTALLING A NEW BELT SCRAPER ON THE #1 COOLER DISCH. CONVEYOR DURING SHUTDOWN ON 4/18/05. AT APPROX. 12:40PM WHILE USING A CUTTING TORCH TO TRIM OFF SOME ANGLE IRON TO MOUNT BRACKETS, MOLTEN SLAG DROPPED UNDETECTED & AS HE PULLED TORCH HOSES FORWARD THE SLAG MELTED THROUGH THE OXYGEN LINE CAUSING AN IGNITION. WHILE GETTING AWAY HE SUSTAINED A 2ND DEG BURN.

Employee was swinging a 20 lb. sledge hammer tightening bolts on an NPK hammer when back went out.

EE WAS LIFTING ONE END OF A 5 FOOT BEAM TO REMOVE A LIFTING CHAIN WHEN HE FELT A BURNING SENSATION AND A PULL IN LEFT SHOULDER. AGGRAVATION INCREASED OVERNIGHT AND REPORTED AT START OF NEXT SHIFT.

DURING PLANT OPERATIONS, BOLTS WORKED OUT OF THE FEEDER BOX UNDERNEATH THE BIN, CAUSING THE FEEDER BOX TO DROP INTO THE FEEDER. THREE EMPLOYEES ATTEMPTED TO PUT THE FEED BOX BACK INTO PLACE WHEN THE BOX DROPPED DOWN INTO THE FEEDER, PINCHING THE EMPLOYEE'S RIGHT THUMB, CAUSING HIM TO GET STITCHES IN HIS THUMB.

Employee was operating his loader in the mine when he moved suddenly and hit his head on the heater control knobs.

Employee removing bolts from cutting edges on 988g loader w/2 lbs hammer and knock wrench. Employee sung hammer to strike the wrench and missed hitting left hand causing a 1/4 inch gash that required 3 stitches.

EE was working in the engine room of the lima 2400 dragline when he slipped on the slick floor plates due to mud and fell striking his head ont he engine. He suffered a laceration to his forehead above the left eye which required 9 stitches. Medical only.

EE was cutting a piece of deck rubber on the top deck of screen #3 with a utility knife. As he was cutting away from his body the knife cut through the rubber and cut his left thumb requiring four stitches.

Employee was digging into hard rock area in the pit. Loader was on slight incline when bucket slipped off of rock and employee pulled a muscle and felt pain in right lower back area.

While using handheld rock drill, at chest height, the bit broke. Drill fell to the ground & EE hit his right elbow on top of broken drill steel in the rock. The skin was not broken & EE only reported his elbow was ""sore"". EE worked without interruption for more than 2 months. Later the EE had swelling around the area and went to Doctor's office.

Employee fueled his haul truck at the end of his shift, and after he parked his equipment he did not dismount properly. He jumped from the step instead of climbing down landing on his left leg. Employee suffered a strained left knee, recieved medical treatment however this did not result in a lost time.

EMPLOYEE WAS DISLODGING BRIDGED ROCK OVER THE TWO FEEDERS WITH A SLEDGE HAMMER. HE WAS BEATING ON THE HOPPER SIDE WALLS WHEN HIS HAND CAME BETWEEN THE HANDLE AND SOME ANGLE IRON CAUSING A PINCH POINT. THE EMPLOYEE WAS WEARING GLOVES. THE INJURY REQUIRED 5 STITCHES.

FOREMAN WAS HELPING UNLOAD TWO JAW DIES WHEN THE CHAINS SLIPPED OFF ABOUT ONE FOOT OFF THE GROUND. THE FOREMAN PUT HIS HANDS UP TO BLOCK THE CHAINS AS THEY CAME TOWARDS HIM. THE CHAIN HIT HIS LEFT LITTLE FINGER LACERATING THE BOTTOM SIDE REQUIRING NINE STITCHES. NO FRACTURE WAS DETECTED.

EE WAS GRINDING AT THE BACK OF THE TRUCK WHEN THE GRINDING DISK STRUCK THE SIDE OF THE BED. THE GRINDER KICKED OUT AND CUT HIS LEFT WRIST. * REQUIRING NINE STITCHES THIS IS A REPORTABLE MEDICAL.*

Changing screen cloth on the middle deck of the station 3 Diester. Employee laid a chipping hammer on the deck in front of him. Another employee then slid the screen cloth down to him so it could be put in place. The screen hit the chipping hammer and it popped up hitting employee in the forehead.

2 employees were attempting to turn a switch tip over in the storage yard. We pulled upward and realized it was to heavy and let it fall back. Unknown to employees there was a large rock under the switch tip. It caught and mashed finger tip

Ee was cutting a portective sleeve for a new 1"" anfo line. The sleeve is hard plastic and the razor knife had a new blade. The knife slipped and cut his palm even though the ee was wearing gloves. the injury required 7 stitches to close.

Water hose blew off the hose connection bushing. The employee put it back on and tightened it with a 6"" crescent wrench. He turned the water back on and walked away. The hose blew off again and the water hit him in the back, knocking him into the feed box frame. He struck his left eyebrow on the frame and cut it.

Employee was clearing out the jaw crusher after it stalled, and a 2"" rock fell and hit him on the chin. He sustained a 1/2"" cut on his chin and had to have 2 staples.

EE was moving catwalk from a 769D haul truck in the mine shop. Two bolts remained on the bottom and one on the top. The Ee removed the top bolt while standing with one leg on the catwalk. The bottom bolts popped out and the ee fell to the concrete floor striking his knee cap on the floor or the catwalk.

EMPLOYEE WAS CHANGING OXYGEN & ACETELYNE BOTTLES WHEN HE PUSHED HIS RIGHT MIDDLE FINGERNAIL UP. HE HAD HIS RIGHT HAND AROUND THE BOTTLE SLIDING IT ON THE TRUCK WHEN HIS FINGER CAME INTO CONTACT WITH A PIECE OF METAL AT THE BACK OF THE BOTTLE RACK. STITCHES WERE USED MAKING THIS A REPORTABLE MEDICAL.

Employee was using a utility knife to cut rubber for a conveyer. The knife slipped, and the blade cut his arm.

FOREMAN WAS HELPING TWO WORKERS CHANGE CONVEYOR ROLLER WHILE ON CONVEYOR PLATFORM. HE LOST FOOTING/BALANCE AND FELL HITTING MOUTH ON CONVEYOR ROLLER CAUSING LACERATION TO UPPER LIP AND BREAKING DENTURE PLATE. REQUIRED FOUR STITCHES, NO LOST TIME.

Employee was striking the wedge on the jaw crusher with a sledge hammer to try to free it. He felt a burning in his lower back but didn't think a lot of it until the next morning when he woke up and had some pain & tightness in his lower back.

Injured employee was attempting to place a wheel chock under a rail car wheel. As he did this, the wheel rolled against the chock, forcing the handle down against the ground. His finger was pinched between the chock handle and the ground.

Employee was assisting in a maintenance project when a metal shard struck him in the chest. (REPAIRING CRUSHER - COWORKER WAS USING HAMMER.)

EE CUT HIS FINGERS ON THE AIR CONDITIONER FAN. WHILE TRAMMING THE CAT 988F LOADER, ONE OF THE AIR COND VENTES FELL OUT OF THE OVERHEAD UNIT. HE WAS ATTEMPTING TO REINSTALL THE VENT WHEN THE MACHINE HIT A BUMP CAUSING HIS HAND TO GO INTO THE OPEN VENT HOLE ANC CONTACT THE BLOWER FAN LACERATING TWO FINGERS ON THE RIGHT HAND AND CAUSING A HAIRLINE FRACTURE OF THE MIDDLE FINGER

Employee came out of the electrical building and was walking down the steps when he stumbled and fell on concrete below. He fell onto his right wrist. At the time of this incident he did not complain of any injury; although the fact that he had stumbled and fallen was noted.

EE WAS DRILLING. HE TURNED UP SETTINGS ON COMPRESSOR. APPROX 5 MIN AFTER TURNING UP THE PRESSURE, HOSE CARRYING AN AIR/OIL MIXTURE BLEW. HOSE WAS NEXT TO COOLING FAN WHICH BLEW THE MIXTURE INTO THE TURBO ON THE ENGINE & MIXTURE IGNITED. HE LOOSENED HARD HAT & RECEIVED 2ND DEG BURNS ON HIS HEAD. HE THEN PUT THE FIRE OUT W/THE EXTINGUISHER IN THE RIG. FIRE LASTED 3-4 MIN.

EMPLOYEE WAS TAKING JAM NUT LOOSE ON BOLT THAT HOLDS JAM BREAKER TO STRUCTURE WITH A 1"" DRIVE AIR WRENCH. THE JAM NUT CAME LOOSE CAUSING THE NUT TO TRAVEL UP THE BOLT. HIS RIGHT THUMB WAS PINNED BETWEEN PART OF THE TELEDYNE AND THE AIR WRENCH. HE HAD TO REVERSE WRENCH TO GET HIS FINGER BACK OUT

Cleaning gyratory bin, he stumbled, grabbed a chain that was hanging on a hoist and a second chanin that was on hoist struck him in the mouth, chipping front tooth.

Opened electrical box door to CB8 with screwdriver in hand - it exploded in face.

Employee was holding onto a pulley of D screen with both hands. Another employee was using a 3 lb. hammer to tap the pulley off the shaft when he missed and struck Mike on the ring finger of the left hand.

Bin chute had plugged with primary crusher discharge (minus 5"" limestone). While men at top of bin were rempoving rock, personnel were at bin discharge removing rock. A rock fell from top of bin and landed on left hand of person while hand was positioned on angle iron hand rail. Reporting delayed waiting on medical determination of condition.

Employee was working on a screen deck in the tower of the #1 plant. His right hand started to itch, he thought it may have been a mosquito bite but it later began to swell.

EE WAS CUTTING HOSE FOR WELDING LEAD HOOKS WITH RETRACTABLE UTILITY KNIFE AND CUT LEFT FOREFINGER FROM 2ND KNUCKLE TO TIP. LACERATION REQUIRED 4 STITCHES.

Employee exited his truck to use the restroom. When on the ground he kicked a baseball size rock. he then went to the restroom and as he turned around to return to his truck, he felt pain on his left side which he described as feeling like a pulled muscle.

Employee was walking down hallway and brushed up against wood paneling. A piece of wood came loose and was imbedded under her left ring fingernail.

MAINTENANCE SUPERVISOR WAS TRYING TO INSPECT THE #1 KILN BURNER PIPE DURING A TEMP. OUTAGE BY LOOKING THROUGH THE SMALL INSPECTION DOOR UNDER THE BURNER PIPE. AT APPROX. 8 AM WHILE LOOKING AT THE BURNER PIPE, A SUDDEN PUFFING OF DUST OCCURRED & DUST PARTICLE GOT INTO HIS RT. EYE THROUGH HIS SIDE-SHIELDED SAFETY GLASSES REQUIRING MEDICAL ATTN. & RX DROPS TO HEAL.

Employee was welding overhead and a hot spawl entered his left ear.

ON 11/9/05, REPAIRMAN REPORTED HAVING NUMBNESS AND WEAKNESS OF HIS HANDS ALLEGING HIS WORK ACTIVITIES WERE THE CAUSE. WE DIDN'T AGREE UNTIL EXTENSIVE MEDICAL TESTING AND EXAMINATION RULLED IT WAS. THEREFORE, ON 1/13/06 A LEFT WRIST INJECTION CAUSED A REACTION AND SWELLING REQUIRING TEMPORARY RESTRICTED DUTY AS OF 1-17-06 UNTIL RECOVERY.

CHRONIC SILICOSIS. OUT OF WORK UNTIL FURTHER NOTICE. EMPLOYEE'S CONDITION WAS DISCOVERED DURING THE COMPANY'S ANNUAL ROUTINE MEDICAL SURVEILANCE. HE WAS REFERRED TO A SPECIALIST FOR FURTHER STUDY AND REMAINS OUT OF WORK PENDING DOCTOR'S RECOMMENDATIONS.

High ambient temperature day. EE, a field service technician, was repairing heavy earthmoving equipment. When EE got home that night he was very tired and sat down and fell asleep. He awoke a couple of hours later with symptoms of heat exhaustion. He went to an emergency room for treatment.

Individual experienced a STS shift in audiogram over 25dB on left ear only, and only at the 4000 level.

Employee was installing Roof Bolts when he strained his back pulling on the spinner.

Employee was dismounting D-5 dozer, slipped on dozer track and twisted his knee.

Around 10:00 AM a co-worker found Employee lying on the ground by the service truck apparently having a seizure. He was unresponsive to questions. He had been sitting in the truck with the air conditioner running since around 9 AM. He was taken to the hospital by ambulance. He passed away at the hospital.