Mining Incidents

Every mining fatality in California

MSHA's accident file records 84 fatalities at mines in California since 1983, listed by year. Each links to its incident record.

2026 1 fatality

January 6, 2026 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech Fatality · MACHINERY
National Cement Company Of California Inc · Caught in, under or between running or meshing objects

During preparation for dismantling of motor and gear box on slide gate. Employee didn't follow given instructions and removed all bolts from gearbox. That cause released of stored energy on slide gate and motor with gear box start spinning. Employee got caught by the equipment and started spinning with it. During spinning their head hit the handrail which caused a fatal injury.

2025 1 fatality

July 29, 2025 CA · Metal/Non-Metal rotary bucket excavator operator Fatality · MACHINERY
Cold Spring Granite Company · Struck against a moving object

Operator was backing up close to the edge at a berm and was facing the opposite way. Operator was pulled backwards by the counter weight, operator attempted to turn the machine to stop it from rolling into the ditch.

2024 1 fatality

June 14, 2024 CA · Metal/Non-Metal fireman - locomotive, railroad clam operator, timekeeper, yard engine operator Fatality · FIRE
Hi-Grade Materials Co · Struck by... (Not Elsewhere Classified)

988 Loader caught fire, was unable to be extinguished by site personnel, 911 was called. Two fire crews arrived on site, one fireman approached the loader by the rear tire. The plant manager was yelling at them to get away from the tire. It exploded killing the fireman by the tire.

2023 2 fatalities

June 22, 2023 CA · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer Fatality · MACHINERY
CalMat Co · Struck against a moving object

Machine operator was operating a CAT D9T dozer clearing overburden material from a bench. Operator reversed the machine backwards an estimated 200-300 ft. at a high speed without looking back and without responding to honking from another machine, per witness testimony. Machine fell off an edge. Operator was pronounced dead at the scene. Machine is total loss.

January 17, 2023 CA · Metal/Non-Metal weighman, scale person Fatality · POWERED HAULAGE
Calportland · Struck against a moving object

EE was involved in a traffic accident on the road that leads to the plant. EE was extricated from the vehicle and transported to the hospital where EE later died.

2020 2 fatalities

August 18, 2020 CA · Metal/Non-Metal crusher attendant/operator, pan feeder operator/worker Fatality · FALLING/SLIDING/ROLLING MATERIALS
Hi-Grade Materials Co. · Struck by rolling or sliding object

Employee clearing crusher, rock came down chute and entrapped employee in crusher.

January 23, 2020 CA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver Fatality · SLIP OR FALL OF PERSON
Lehigh Southwest Cement · Fall from machine

Contractor truck driver was found lying on the ground on the drivers side of cement haul truck at the east truck access platform outbound lane by Golden Star trucking trainer and trainee at ~ 1:30-1:45 pm.

2017 1 fatality

December 30, 2017 CA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman Fatality · POWERED HAULAGE
Lehigh Southwest Cement Co. · Contact with hot objects or substances

A fatal accident occurred on December 30, 2017. The employee was driving a Dodge pick-up in a stockpile area and pulled in behind a Caterpillar 992G loader. As the loader reversed, it struck the pick-up which then caught fire. The resulting injuries were fatal.

2015 1 fatality

January 8, 2015 CA · Metal/Non-Metal clerk, timekeeper, office worker, director of sales Fatality · MACHINERY
Knife River Construction · Caught in, under or between a moving and a stationary object

Knife River miners were replacing a screen. Our sales representative was on site. He was on site to provide technical assistance. He was struck in the head by the feeder box. EMS was notified and responded. A Knife River operator notified MSHA within 15 minutes. Injured person was taken to the hospital where he then passed away.

2013 2 fatalities

October 17, 2013 CA · Metal/Non-Metal electrician, lineman Fatality · SLIP OR FALL OF PERSON

The miner was in progress of storing electrical cable into a cable tray. The south bracket some how came loose. When the south side of the cable tray came down it struck the ladder on the east side causing the ladder to fall towards the west. The miner tried to compensate for the fall by leaning to the west. He then fell from the ladder hitting the ground.

June 13, 2013 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech Fatality · POWERED HAULAGE
Stevens Creek Quarry Inc · Struck by... (Not Elsewhere Classified)

Miner was attempting to bring disabled truck down from the upper most harvest area. As he was dumping load, breaks let loose & truck went down uncontrollably. As it came to the next lower level, it hit a berm causing the miner to be ejected through the right hand window & was presumed to have been struck by a part of truck.

2012 1 fatality

September 26, 2012 CA · Metal/Non-Metal outside foreman, leadman Fatality · MACHINERY
Eagle Peak Rock and Paving · Caught in, under or between a moving and a stationary object

Miner was kneeling on left track of dozer attempting to adjust the throttle linkage when the dozer went to full throttle and began moving forward, sending the miner to the front of the dozer, resulting in him being run over and crushed by the machine.

2010 2 fatalities

May 28, 2010 CA · Metal/Non-Metal bull gang foreman, labor foreman, leadman, section foreman, shift boss Fatality · EXPLOSIVES AND BREAKING AGENTS
Gold Run Enterprises LLC · Struck by flying object

2 miners lit their fuse for a face round and then re-entered blast area prior to the mandated 1 hour wait period. When they were within 25 feet of the face, a misfire detonated. This was against company policy and recent training. 1 miner was killed by the blast and the other injured.

January 26, 2010 CA · Metal/Non-Metal prep plant foreman, supervisor, mill plant supervisor, kiln supervisor Fatality · POWERED HAULAGE
Lehigh Southwest Cement · Caught in, under or between a moving and a stationary object

Employee was walking near a line of Gypsum Bulk Delivery trucks (18 wheel T/T) and apparently stopped to lean on the rear of trailer while making phone call. Trailer moved forward, EE fell under rear trailer wheels.

2009 1 fatality

January 6, 2009 CA · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator Fatality · FALLING/SLIDING/ROLLING MATERIALS
Matich Corporation · Struck by falling object

The victim was operating a skid steer loader underneath a belt conveyor that was being dismantled. A co-worker was in an elevated manlift & was using a cutting torch to remove a piece of 4" metal tubing attached to the leg supports of the belt conveyor. The tubing fell to the ground, tipped over into the front of the loader & struck the victim. He was hospitalized & died on 1/9/09.

2008 2 fatalities

May 27, 2008 CA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver Fatality · POWERED HAULAGE
Syar Industries Inc · Struck against a moving object

EE was backing up on stockpile to dump loaed 775D rock truck on oneway stockpile. Rock & truck backed over end of stockpile. Truck flipped over backwards and landed upside down about 30' below. No damage to cab, employee suffered fatal blunt force trauma.

January 21, 2008 CA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver Fatality · SLIP OR FALL OF PERSON
Riverside Cement Co · Fall from scaffolds, walkways, platforms

Employee received a load of cement by the TXI scale person. After he received his load he pulled forward to a stationary rack designed for safe access to the top of each trailer. He closed all but 1 latch on the A trailer when he fell to the ground landing on his head. He was found at 1:30 pm lying on his back behind the second axle driver's side.

2007 3 fatalities

October 25, 2007 CA · Metal/Non-Metal miner, prospector, nec Fatality · SLIP OR FALL OF PERSON
Riverside Cement Co · Fall from scaffolds, walkways, platforms

Employee was assessing work area at floor opening. Employee fell into floor opening. The ensuing fall resulted in fatal head injuries.

June 12, 2007 CA · Metal/Non-Metal draftsman, surveyor/transit work supervisor Fatality · FALLING/SLIDING/ROLLING MATERIALS
Granite Construction Co · Struck by falling object

Employee entered a trench and was struck by a large section of clay when a vertical wall of the trench collapsed.

2006 2 fatalities

August 17, 2006 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech Fatality · SLIP OR FALL OF PERSON
Mitsubishi Cement Corp · Fall to lower level, (Not Elsewhere Classified)

Plywood was covering the manhole inside the kiln. The EE pushed the plywoood forward and walked through the manhole, falling approximately 20'. (The victim died August 21, 2006 as a result of his injuries.)

May 22, 2006 CA · Metal/Non-Metal greaser, grease man, oiler, lube man, dragline oiler Fatality · SLIP OR FALL OF PERSON
3M Company · Fall from machine

Employee (EE) climbed over platform guardrail onto raised forklift carrying screens, EE and screens fell from forklift 15 to 17 ft; EE landed on his feet, knees buckled, he collapsed to the ground & apparently one or more screens fell onto employee's body-trunk area abdomen region. Co-worker & injured worker moved screen(s) off of EE & EE scooted himself away from screens.

2003 2 fatalities

June 14, 2003 CA · Metal/Non-Metal mine manager, mine foreman, mine owner Fatality · MACHINERY
CalMat Co · Struck by falling object

THE VICTIM WAS POSITIONING THE WEDGE BAR AND BOLT ASSEMBLY TO SECURE THE UPPER PLATE IN A STATIONARY JAW CRUSHER. APPARENTLY THE LINER SHIFTED AND FELL, STRIKING THE VICTIM.

January 13, 2003 CA · Metal/Non-Metal mine manager, mine foreman, mine owner Fatality · SLIP OR FALL OF PERSON
National Cement Company Of California Inc · Fall to lower level, (Not Elsewhere Classified)

EE WAS LEANING ON CHAIN GUARDING OPENING TALKING TO ANOTHER EE. EE FELL APPROX 9 FEET STRAIGHT HEAD ON CONCRETE PAVEMENT BELOW.

2001 1 fatality

November 9, 2001 CA · Metal/Non-Metal beltman, conveyor man, conveyor belt worker, mobile bridge carrierman, feeder operator, conveyor rider Fatality · OTHER
CalMat Co · Drowning

EMPLOYEE WAS USING A HIGH PRESSURE WATER HOSE TO WASH OUT ACCUMULATED MATERIAL BELOW CONVEYER #11 (FLOATING) AND TAILPULLEY CONVEYER #4 (LAND)APPARENTLY FELL IN WATER PIT WHILE NOT WEARING A LIFE JACKET.

2000 2 fatalities

November 6, 2000 CA · Metal/Non-Metal miner, nec Fatality · POWERED HAULAGE
Original Sixteen To One Mine Inc · Struck against stationary object

MINER OPERATING A TON AND A HALF MANCHA TRAMMER ON LEVEL NEAR HIS WORK PLACE. STARTED DRIVING NORTH TO GET A LOAD OF TIMBER. DROVE TRAMMER UNDER AN ORE CHUTE. MINER DIED.

October 26, 2000 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech Fatality · MACHINERY
National Cement Company Of California Inc · Struck by falling object

THE CREW WAS PUTTING BURNER PIPE IN PLACE AND BURNER PIPE FELL 8 FEET STRIKING EMPLOYEE.

1998 3 fatalities

August 18, 1998 CA · Metal/Non-Metal drill helper Fatality · SLIP OR FALL OF PERSON
U S Borax Inc · Drowning

BASED ON THE PRELIMINARY INFORMATION, IT APPEARS THAT AN EMPLOYEE OF LAYNE CHRISTENSEN CO, DIED ON TUESDAY, 8-18-98. HIS DEAD BODY WAS DISCOVERED BY ANOTHER EMPLOYEE OF LAYNE CHRISTENSEN AT AP PROX. 5:15 PM. HIS BODY WAS DISCOVERED LYING FACE DOWN IN A MUD SUMP IN APPROX. 3 FEET OF WATER. AT THIS TIME IT IS UNKNOWNN WHAT CAUSED HIS DEATH.

April 16, 1998 CA · Metal/Non-Metal superintendent Fatality · FALLING/SLIDING/ROLLING MATERIALS
Crystal Creek Aggregate Inc · Struck by falling object

EE WAS STANDING BELOW THE DRY SCREENING PLANT. WHILE COWORKER HAD STARTED CHANGING SCREENS. THE 4'X5' SCREEN WAS ACCIDENTALLY DROPPED AND STRUCK EE IN THE BACK OF THE HEAD KNOCKING HIM TO THE GROUND, RESULTING IN A SKULL FRACTURE.

March 12, 1998 CA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver Fatality · SLIP OR FALL OF PERSON
Langley Hill Quarry · Fall from machine

SELF-EMPLOYED TRUCK DRIVER WAS STANDING A SCALE. I OBSERVED HIM STANDING THEN LOOKED AWAY ABOUT 20 SECS LATER I LOOKED BACK AND HE WAS FACE DOWN LYING ON SCALE. NO SIGNS OF WHAT HAPPENED TO HI M OR WHAT CAUSED HIM TO FALL. LOADER OPERATOR SAID HE APPEARED PALE WHEN HE LOADED HIM EARLIER.

1997 6 fatalities

August 28, 1997 CA · Metal/Non-Metal laborer, bull gang, parts runner, roustabout, roof trimmer/scaler Fatality · POWERED HAULAGE
American Borate Company · Caught in, under or between a moving and a stationary object

EE WAS LAYING IN THE ROADWAY, WAITING FOR LOADER OPERATOR AND FELL ASLEEP. HE GOT RUN OVER BY A LOADER.

August 19, 1997 CA · Metal/Non-Metal welder (shop) Fatality · SLIP OR FALL OF PERSON
United Rock Products Corp · Fall to lower level, (Not Elsewhere Classified)

EE FELL APPROX 12' FROM STRUCTURAL STEEL ONTO MOUTH OF TELSMITH CRUSHER WHICH WAS UNDER CONSTRUCTION. EE WAS WEARING HARD HAT, SAFETY GLASSES, NO FALL PROTECTION.

March 15, 1997 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech Fatality · MACHINERY
Hanson Aggregates Pacific Southwest Inc · Struck by falling object

SERVICE MAN WAS ENGAGED IN TIRE CHANGING A 988B FRONT GEAR LOADER. TIRE APPARENTLY FELL OFF "BEAD HOOK" AND STRUCK WORKER. INCIDETN RESULTED IN PROBABLE FATAL INJURY TO HEAD.

March 13, 1997 CA · Metal/Non-Metal outside foreman, leadman Fatality · POWERED HAULAGE
Golden Queen Mining Company Inc · Struck against a moving object

EE WAS APPARENTLY DRIVING A COMPANY VEHICLE WITH A PASSENGER, EE. THEY WEE APPARENTLY DRIVING DOWN FROM THE TOP OF SOLEDAD MTN WHEN THE TRUCK SKIDDED DOWN THE ROAD AND FELL OVER THE SIDE.

February 26, 1997 CA · Metal/Non-Metal drill operator Fatality · MACHINERY
Hahm International Inc · Fall down raise, shaft or manway

SUBCONTRACTOR'S EMPLOYEE WAS DRILLING BLASTING HOLES, WHEN DRILL HIT A VERTICAL SHAFT. HE FELL INTO THE SHAFT AND WAS BURRIED BY DEBRIS, AND WAS ASPHYXIATED.

February 3, 1997 CA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator Fatality · POWERED HAULAGE
Martin Sand & Gravel · Caught in, under or between (Not Elsewhere Classified)

PLANT OPERATOR WORKING IN AREA NOT SUPPOSED TO BE IN AND CLOTHING CAUGHT UP IN TAIL PULLEY SHAFT OF #1 BELT TO RADIAL CONVEYOR AND PULLED HIM DOWN OVER TOP OF GUARD STRIPPING HIM FROM BREATHIN G.

1996 4 fatalities

July 28, 1996 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech Fatality · OTHER
U S Borax Inc · Struck by flying object

MECHANIC WAS REMOVING TIRE AND RIM FROM LOADER. HAD DEFLATED AIR PRESSURE TO 10-20 PSI BUT WAS UNAWARE THAT IT WAS A 2 PIECE SPLIT RIM. REMOVED LUG BOLT CAP SCREWS AND THE RIM TO RIM CLAMPING BOLTS AND THE REMAINING AIR PRESSURE PROJECTED THE OUTER RIM HALF OUTWARD VIOLENTLY, HITTING THEMECHANIC, CAUSING SEVERE HEAD INJURY.

May 18, 1996 CA · Metal/Non-Metal mine manager, mine foreman, mine owner Fatality · POWERED HAULAGE
Exploration Inc Of Nevada · Struck against a moving object

THE OPERATOR & PASSENGER IN A 1967 FORD DUMP TRUCK [2 1/2 TON DEUCE & HALF] WERE BACKING DOWN THE ACCESS ROAD WITH A LOAD OF MATERIAL TO BE DUMPED. THE OPERATOR REALIZED HE WAS CLOSE TO THE ED GE OF THE ROAD & INSTRUCTED THE PASSENGER TO GETOUT OF THE TRUCK. THE OPERATOR THEN STARTED TO LIFT THE BED OF THE TRUCK TO DUMP SOME MATERIAL WHICH CAUSED THE TRUCK TO GO OVER THE EDGE OF TH

March 20, 1996 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech Fatality · HANDLING OF MATERIALS
United Rock Products Corp · Struck by falling object

EMPLOYEE CAUSED SPREADER BAR TO TIP TOWARDS EMPLOYEE PINNING HIM AGAINST STEEL STORAGE CONTAINER.

February 14, 1996 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech Fatality · MACHINERY
South Coast Materials Company · Caught in, under or between a moving and a stationary object

THE PLAN WAS THAT I.NAME WOULD UNCOUPLE DRILL STEEL AND MOVE DRILL TO LEVEL GROUND WHILE INJURED WENT TO HIS SERVICE TRUCK FOR REQUIRED TOOLS. I.NAME STARTED DRILL AND INJURED WALKED ON OPERAT OR SIDE OF DRILL TOWARD HIS TRUCK. BECAUSE OF LOW HYDRAULIC PRESSURE DUE TO BROKEN HOSE, IT TOOK HIM APPROX. 2 MINS TO BREAK STEEL. HE THEN WENT BACK TO THE OPERATOR STAND AND BEGAN TO TRAM T

1995 5 fatalities

November 30, 1995 CA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator Fatality · HANDLING OF MATERIALS
Southdown California Aggregates · Over-exertion in lifting objects

FELT PAIN IN BACK UNABLE TO GET UP ON THE FOLLOWING DAY. WAS SHOVELING DIRT UNDER THE CONVEYOR.

October 6, 1995 CA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman Fatality · EXPLOSIVES AND BREAKING AGENTS
National Quarries Inc · Struck by... (Not Elsewhere Classified)

IT HAPPENED IN THE QUARRY AREA, WHERE SAW BLOCKS ARE FINISHED. WORKER DRILLED A HOLE IN AREA WHERE THERE WAS SOME UNBUANT BLACKPOWDER AND THAT CREATED AN EXPLOSION THAT CAUSED INJURY DEATH.

September 18, 1995 CA · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer Fatality · MACHINERY
Calmat Company · Drowning

THE VICTIM WAS USING A RUBBER-TIRED DOZER TO PUSH TRUCKS OUT OF THE PIT. HE HAD PUSHED ONE TRUCK OUT OF THE PIT AND WAS BACKING DOWN THE RAMP WHEN HE APPARENTLY LOST CONTROL OF THE DOZER. THE DOZER TRAVELED DOWN THE RAMP AND WENT OVER THE BERM. THE DOZER FELL INTO THE PIT WHICH CONTAINED 30 FEET OF WATER.

March 27, 1995 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech Fatality · POWERED HAULAGE
U S Borax Inc · Caught in, under or between a moving and a stationary object

EE WAS IN A PICKUP TRUCK AND PULLED IN BEHIND M-170 TRUCK 9651. DRIVER OF 9651 BACKED UP AND RAN OVER PICKUP, TRAPPING EE INSIDE. EE SUSTAINED FATAL INJURIES.

February 24, 1995 CA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver Fatality · FALLING/SLIDING/ROLLING MATERIALS
Sonoma Rock Company · Caught in, under or between collapsing material or buildings

AN EE OF PIPELINE EXCAVATING CO OF SANTA ROSA, CA WAS OFF LOADING THE OVER LOADED PORTION OF AGGREGATE BASE MATERIAL AT THE SONOMA ROCK QUARRY. THE TRUCK HAD BEEN LOADED JUST A FEW MIN EARLIER BY A QUARRY EE, EE WIGH MASTER. THE DRIVER DROVHIS TRUCK NEXT TO THE STOCKPILE HAD HAD JUST LOADED FROM GOT OUT OF THE TRUCK, RAISED THE FRONT BOX OF THE TRUCK AND WAS APPARENTLY TRYING TO RE

1994 3 fatalities

September 5, 1994 CA · Metal/Non-Metal mine manager, mine foreman, mine owner Fatality · ELECTRICAL
Washington/Niagara Limited Partnership · Contact with electrical current

SUB-LEVEL 2 WAS FOUND FLOODED 9-5-94 APPROX 8PM, THE HP ELECTRIC PUMP WAS NOT PUMPING. EE RECEIVED A ELECTRICAL SHOCK CAUSING HIM TO FALL INTO THE DRIFT WHICH PARTIALLY FLOODED RESUTLING IN HI S DEATH.

March 4, 1994 CA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver Fatality · POWERED HAULAGE
American Rock & Asphalt Inc · Struck against a moving object

VICTIM WAS TRAVELING DOWN THE PIT ROAD IN SECOND GEAR. WITNESS SAID HE SEEMED TO BE DRVING ERRATICALLY AS HE WAS STRIKING THE BERM. AT A POINT WHERE THE ROAD TURNED, THE TRUCK WENT OVER THE BE RM AND THE PIT WALL. DRIVER WAS RETRIEVED AND TRANSPORTED TO THE HOSPITAL. HE DIED WITHOUT REGAINING CONSCIOUSNESS.

1993 3 fatalities

November 1, 1993 CA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman Fatality · FALLING/SLIDING/ROLLING MATERIALS
U S Borax Inc · Caught in, under or between collapsing material or buildings

TWO EMPLOYEES OF CONTRACTOR, ANCON MARINE INC., BECAME ENTRAPPED BY PRODUCT WHILE CLEANING 5 MOL #1 SILO. APPARENTLY BOTH WORKERS WERE WEARING SAFETY HARNESSES, BUT NOT LIFELINES. ONE WORKER W AS SUCCESSFULLY RESCUED; THE SECOND WORKER WAS FATALLY INJURED.

October 27, 1993 CA · Metal/Non-Metal electrician, lineman Fatality · ELECTRICAL
Southern Pacific Milling Company · Contact with electrical current

ELECROCUTION BY EITHER 580V 3 PHASE 3 WIRE MOTOR CONTROL CIRCUIT OR 120V CONTROL CIRCUIT

May 3, 1993 CA · Metal/Non-Metal backhoe operator, trackhoe operator Fatality · POWERED HAULAGE
Calaveras Materials Inc · Struck against a moving object

A PETERBILT PIT HAUL TRUCK AND A 1 TON CHEVROLET WELDING TRUCK COLLIDED CAUSING THE DEATH OF THE DRIVER OF THE WELDING TRUCK.

1992 2 fatalities

August 11, 1992 CA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver Fatality · POWERED HAULAGE
Hi-Grade Materials Co · Caught in, under or between a moving and a stationary object

10242 CONTRACTING HAUL TRUCK DRIVER EXITED HIS OWN TRUCK NEAR THE OFFICE/TRUCK SCALE. UPON EXITING THE TRUCK, THE DRIVER DID NOT SET THE BRAKES OR THE BRAKES FAILED. THE TRUCK STARTED TO ROLL 15403HE DRIVER ATTEMPTED TO ENTER THE MOVING TRUCK. HE WAS UNSUCCESSFUL IN STOPPING HIS TRUCK AND THE DRIVER WAS RUN OVER BY HIS VEHICLE.

April 22, 1992 CA · Metal/Non-Metal pumper Fatality · POWERED HAULAGE
Hanson Permanente Cement Inc · Fall to lower level, (Not Elsewhere Classified)

EMP CLIMBED ON TRUCK PLATFORM TO OPEN STORAGE SILO DISCHARGE CHUTE. ON EMP DIRECTIONS THE DRIVR MOVED THE TRUCK SEVERAL FEET TO ALIGN THE TRUCK WITH THE SILO CHUTE EMP REMAINED ATOP TRUCK. N OISE HEARD BY DRIVER EMP FOUND ON TOP OF CAB. NO EYEWITNESSES IT IS UNCLEAR HOW EMPLOYEE FELL OR WHETHER THE FALL CAUSED HIS INJURIES

1991 5 fatalities

December 27, 1991 CA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver Fatality · POWERED HAULAGE
Sierra Rock Products · Caught in, under or between a moving and a stationary object

THE VICTIM WAS OWNER/OPERATOR OF A TEN-WHEEL PETERBUILT GRAVEL TRUCK. HE REGULARLY HAULED FINISHED PRODUCT FROM THE STOCKPILE AT THIS PROPERTY TO CUSTOMERS LOCATED ON THE WESTERN SLOPE OF THE SIERRA NEVADA MOUNTAINS. THE MORNING OF THE ACCIDENT, THE VICTIM STOPPED HIS TRUCK ABOUT 20' FROM THE END OF THE SCALE WHERE THE LOAD WAS TO BE WEIGHED. A DOUBLE TRAILER WAS PARKED ON THE SCAL

June 20, 1991 CA · Metal/Non-Metal mechanic helper Fatality · SLIP OR FALL OF PERSON
U S Borax Inc · Fall from scaffolds, walkways, platforms

EMPLOYEE WAS WORKING ON THE ROOF OF T-4B TANK WHEN COMPRESSION RING FAILED WHICH CAUSED THE EMPLOYEE TO FALL TO THE BOTTOM OF THE TANK, SUFFERING APPARENTLY FATAL INJURIES.

June 5, 1991 CA · Metal/Non-Metal beltman, conveyor man, conveyor belt worker, mobile bridge carrierman, feeder operator, conveyor rider Fatality · MACHINERY
Owl Rock Products · Caught in, under or between running or meshing objects

CONVEYORMAN (VICTIM) ALLEDGELY ENTERED SHAKER/CHUTE WHILE EQUIPMENT WAS OPERATIONAL. COARSE MATERIAL TWIN SCREW WASHER. THE VICTIM ENTERED THE SHAKE AND APPARENTLY SLIPPED AND FELL THROUGH T HE FEEL CHUTE AND IMMEDIATELY WAS OVERPOWERED BY THE DRIVING SCREWS AND WAS PINNED ADN CRUSHED (UPPER TORSO) BY DISCS AND BLADES.

March 13, 1991 CA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver Fatality · POWERED HAULAGE
Co Ca Mines Inc · Struck against a moving object

EMPL WAS DRIVING HAUL TRUCK JTA0627 WITH LOAD OF ORE TO ORE DUMP. HE BACKED UP TO BERM & STARTED TO DUMP WHEN APPARENTLY DUMP FAILED CAUSING HAUL TRUCK TO ROLL OVER BACKWARDS OFF OF ORE DUMP 7 0 TO 70' ROLLING SEVERAL TIMES COMING TO REST ONRIGHT SIDE OF TRUCK AT BOTTOM OF SLOPE.

February 23, 1991 CA · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator Fatality · IGNITION OR EXPLOSION OF GAS OR DUST
Sierra Rock Products · Struck by... (Not Elsewhere Classified)

EMPL & FOREMAN HAD BEEN WELDING ADDITIONAL FITTINGS ON PRTABLE FUEL TANKS. TANKS HAD BEEN FILLED WITH WATER DURING WELDING OPERATION. AFTER FINISHING WLEDING TANKS WERE BEING DRAINED & FOREMAN WALKED INTO SHOP TO WORK ON HOSES. FOR SOME REASON UNKNOWN TO US EMPL CLIMBED IN BETWEEN FUEL TANKS & EXPLOSION OCCURED CAUSING INSTAND DEATH. CAUSE OF IGNITION IS UNKNOWN.

1990 3 fatalities

September 21, 1990 CA · Metal/Non-Metal bull gang foreman, labor foreman, leadman, section foreman, shift boss Fatality · FALL OF FACE/RIB/PILLAR/SIDE/HIGHWALL
American Girl Mining Joint Venture · Caught in, under or between a moving and a stationary object

EMPLOYEE WAS OPERATING A JCI 250 M LHD UNIT AT THE FACE IN 41 ACCESS DRIFT. HE HAD JUST COMPLETED MUCKING OUT AND WAS BACK DRAGGING THE FLOOR AT THE FACE. A LARGE 30' LONG BY 7' THICK BLOCK FE LL OUT OF LEFT RIB STRIKING EMPLOYEE.

August 7, 1990 CA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator Fatality · SLIP OR FALL OF PERSON
California Portland Cement Company · Fall from scaffolds, walkways, platforms

EMPLOYEE WAS STANDING ON A PIECE OF UNSECURED FLOOR GRATING WHEN GRATING VIBRATED LOOSE. EMPLOYEE FELL TO BELOW, WITH GRATING, FALLING 61 FEET TO HIS DEATH.

1989 3 fatalities

August 24, 1989 CA · Metal/Non-Metal ledgeman/hand, quarry man Fatality · EXPLOSIVES AND BREAKING AGENTS
Hageman Mining · Struck by flying object

VICTIM WAS ATTEMPTING TO INDIVIDUALLY IGNITE THE SAFETY FUSES OF 21 CHARGED HOLES USING A HAND HELD PROPANE TORCH THE BLAST WENT OFF BEFORE THE LAST TWO FUSES WERE IGNITED

January 19, 1989 CA · Metal/Non-Metal mine manager, mine foreman, mine owner Fatality · FALLING/SLIDING/ROLLING MATERIALS
Gallagher & Burk Inc · Caught in, under or between collapsing material or buildings

EMP INSTALLING RUBBER LINERS ON ROCK CHUTE AT GROUND LE VEL NEAR THE BOTTOM OF HILLSIDE WHEN 20 TO 30 TONS OF EARTH SLID DOWN SIDE OF HILL A(D E NGULFED HIM.

January 19, 1989 CA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver Fatality · FALLING/SLIDING/ROLLING MATERIALS
Gallagher & Burk Inc · Caught in, under or between collapsing material or buildings

ASSISTING ANOTHER EMP WHOE WAS INSTALLING RUBBDR LINERS ON ROCK CHUTE AT GROUND LEVEL NEAR BOTTOM OF HILLSIDE WHEN 20 TO 30 TONS OF E ARTH SLID DOWN SIDE OF HILL AND ENGULFED HIM.

1988 3 fatalities

September 1, 1988 CA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver Fatality · POWERED HAULAGE
California Portland Cement Company · Struck against a moving object

TWO QUARRY TRUCKS COLLIDED NEARLY HEAD-ON WHILE TRAVELING ON THE HAUL ROAD

September 1, 1988 CA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver Fatality · POWERED HAULAGE
California Portland Cement Company · Struck against a moving object

TWO QUARRY ROCK TRUCKS COLLIDED NEARLY HEAD ON WHILE TRAVELING ON THE HAUL ROAD

July 19, 1988 CA · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator Fatality · POWERED HAULAGE
C L Pharris Sand & Gravel Inc · Caught in, under or between a moving and a stationary object

SEE ATTCH: DRIVING LOADER TO PIT TO REMOVE CLAY OVERBURDEN PREVIOUSLY PUSHED TO FLOOR FROM TOP OF PIT BY TRACK DOZER.WHEN EMPL STARTED DESCENT INTO PIT LOADER ROADE TOE OF BERM FOR SEVERAL HUN DRED FEET THEN VEERED AT 45 DEG ANGLE OVER BERM OVER 50-60' AREA BETWEEN BERM AND PIT WALL THEN DROVE OFF EDGE OF PIT LANDING ON PIT FLOOR.ALTHOUGH LOADER WAS FOUND IN UPRIGHT POSITION CRUSHE

1987 7 fatalities

December 16, 1987 CA · Metal/Non-Metal belt foreman, maintenance foreman, maintenance supervisor Fatality · MACHINERY
Homestake Mining Company of California · Struck by powered moving object

I NAME WAS STAN8ING DIRECTLY BELOW THE MOBILE CRANE BOOM GIVING THE CRANE OPERATOR SIGNAL DIRECTIONS WHEN THE HEADACH BALL FELL FREE FROM THE BOOM STRIKING I NAME ON THE HEAD

October 21, 1987 CA · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer Fatality · MACHINERY
Bihlman Butte Rock · Caught in, under or between a moving and a stationary object

THE VICTIM WAS 2PERATING A CAT D-8 DOZER RIPPING MATERIAL ON A BENCH. HE GOT TOO CLOSE TO THE EDGE AND THE DOZER STARTED TO TIP OVER. THE VICTIM JUMPED OUT AND THE DOZER ROLLED OVER ON HIM.

September 4, 1987 CA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver Fatality · POWERED HAULAGE
Vanderbilt Gold Corp · Struck against a moving object

OUR NORMAL ROUT3NE WAS TO HAUL GRAVEL IN MORINGS & ORE TO CRUSHER IN AFTERNOON. LANES IN ROAD PREVENTED HAULING OF GRAVEL. SO WENT TO ORE DUMP TO HAUL ORE, SEING NO BERM & VERTICAL BANK CAUS BY LOADER REMOV3NG DURING NITE. WENT AND TOLD DRIVERS OF CHANGE THAT THERE WAS NO BERM OUT IN FRONT WOULD GET CAT TO PUCH OVER . MR CARLSON DID NOT FOLLOW ORDERS AND BACK HIS TRK 200 FT STRAI

September 2, 1987 CA · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator Fatality · POWERED HAULAGE
Syar Industries Inc · Struck against a moving object

ACCIDENT RESULT9D IN THE ONE SCRAPER BEING ON THE WRONG SIDE OF THE ROAD

June 20, 1987 CA · Metal/Non-Metal draftsman, surveyor/transit work supervisor Fatality · MACHINERY
Sonora Mining Corp · Caught in, under or between a moving and a stationary object

CHECKING ROAD G9ADE WHEN GRADER BACKED OVER HIM.

June 16, 1987 CA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator Fatality · POWERED HAULAGE
Parnum Paving Inc · Caught in, under or between collapsing material or buildings

I.NAME IN FEED 2OPPER UNKNOWN TO OTHER EMPLOYEES.LOADER OPERATOR WAS LOADING A TRUCK AND RETURNED TO LOAD FEED HOPPER UNAWARE THAT I.NAME HAD ENTERED THE HOPPER.LOADER OPERATOR FILLED HOPPER W ITH ABOUT 48 CU6IC YARDS OF BLASTED ROCK COVERING THE VICTIM.

June 1, 1987 CA · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator Fatality · MACHINERY
Patterson Sand & Gravel · Fall from scaffolds, walkways, platforms

HOIST PUMP & PO3TON PLATFORM OUT OF WATER WITH DRAGLINE I.NAME WAS STANDING ON PLAT FORM AS H OISTING IT UP 3 EYES WELDED ON PLATFORM BROKE LOOSE & IT TILTED THE PLATFORM & I.NAME FELL OFF BA CKWARDS HE STRU7K CONCRETE HEDAD FIRST.

1985 2 fatalities

June 22, 1985 CA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver Fatality · POWERED HAULAGE
Monolith Portland Cement Company · Struck against a moving object

THE EE WAS DRIVING A CAT DJB OFF HIGHWAY TRUCK LOADED WITH APPROX 40 TONS OF SILICA MATERIAL. THE TRUCK DRIFTED ONTO THE LEFT BERM CONTINUED ONTO THE ROAD & OFF THE RT SHOULDER INTO A FIELD A PPROX 1500\. THE EE WAS FOUND UNCONSCIOUS BESIDE THE TRUCKS COMPARTMENT ONT EH VEHICLE RT SIDE & TRANSPORTED BY AMBULANCE TO TEHACHAPI HOSPITAL.

January 31, 1985 CA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator Fatality · HANDTOOLS (NONPOWERED)
Foster Sand & Gravel · Caught in, under or between collapsing material or buildings

WHILE TRYING TO BREAK LOOSE BRIDGED MATERIAL AT SAND SURGE THE EE USING A PIECE OF REBAR WAS ENTRAPPED CAUSING A FATAL INJURY.

1984 5 fatalities

October 19, 1984 CA · Metal/Non-Metal superintendent Fatality · INUNDATION
Governor Mining & Engineering · Inhalation of radiations, caustics, toxic and noxious substances

I NAME ENTERED A WINZE JOING FROM THE 200 FT LEVEL TO THE B25 VIR A CHAIN LADDER. AFTER THE DECENT HE STARTED BACK UP AND WAS EXSPERCING SOME FSOR OF DEFFICULTY HE APPARENTLY PASSED OUT PRIOR TO REACHING TO TOP OF THE LADDER AND FELL BACKWARDS ABOUT 13 FT SUPPEQENT RESCUE EFFORT FOUND KIM DEAD AND DID NOT RETUR THE BODY.

July 16, 1984 CA · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer Fatality · POWERED HAULAGE
Calmat Company · Caught in, under or between a moving and a stationary object

EMPL DRIVING FRONT END LOADER.VEHICLE WENT OVER AN EMBANKMENT EMPL JUMPED OUT OF VEHICLE AND WAS RUN OVER BY THE EQUIPMENT.

March 10, 1984 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech Fatality · MACHINERY
Sierra Rock Products · Caught in, under or between two or more moving objects

#1 DECEASED FAILED TO FOLLOW STANDARD LOCK OUT PROCEDURE #2 WARNING HORN NOT OPERABLE #3 OPERATOR FAILED TO CLEAR ALL MACHINES BEFORE STARING PLANT. CRUSHED BETWEEN ROLLS FROM FEET TO CHEST.

February 23, 1984 CA · Metal/Non-Metal Fatality · HANDTOOLS (NONPOWERED)
California Portland Cement Company · Fall from scaffolds, walkways, platforms

UVICTIM WAS WORKING IN CLINKER BUILDING ON A PLATFORM ON A TRAVELING CRANE DECK. THE CRANE DECK WAS IN A STATIONARY POSITION AND THE VICTIM WAS USING A 6\ LONG STEEL BAR PRYING ON A RAIL. THE BAR SLIPPED AND THE VICTIM FELL BACKWARDS OFF THE DECK ONTO THE GROUND BELOW. THE GROUND WAS LOCATED APPROX. 70\ BELOW THE PLATFORM AND THE BIC VICTIM WAS KILLED INSTANTLY.

1983 3 fatalities

December 6, 1983 CA · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer Fatality · FALLING/SLIDING/ROLLING MATERIALS
George Reed Inc · Struck by falling object

FAILING TO BLOCK OR OTHERWISE SECURE BOOM OF A TRUCK CRANE BEFORE ATTEMPTING TO INSTALL A S ECTION OF BOOM

October 11, 1983 CA · Metal/Non-Metal master mechanic, foreman, supervisor Fatality · HOISTING
Feather Fork Mines Ltd · Caught in, under or between a moving and a stationary object

VICTIM WAS RIDING CAGE FROM BOTTOM LOADING LEVEL TO SURFACE WHEN FOR SOME UNKNOWN REASON HE STUCK HIS HEAD OUT OF THE CAGE AND HIS HEAD WAS CAUGHT BETWEEN THE HOIST CONVEYANCE AND THE SHAFT TU MBER

March 16, 1983 CA · Metal/Non-Metal section foreman, bullgang foreman, labor foreman, leadman, shift boss Fatality · FALL OF ROOF OR BACK
American Borate Company · Struck by falling object

HE WAS RELIEVING LOOSE MATERIAL FROM THE ROOF OF ALREADY BOLTED GROUND, OUT OF THE BUCKET OF AN ST-5B L.H.D. WHEN A ROCK FALL OCCURRED FROM THE BACK STRIKING THEMEN IN THE BUCKET.