Mining Incidents

River Rock Plant Metal/Non-Metal

CalMat Co · Surface
Controlled by Vulcan Materials Company
Fresno, Fresno County, CA  ·  Abandoned
MSHA Mine ID: 0401711

River Rock Plant has $18K in proposed MSHA penalties and $2K outstanding across 0 contested dockets, plus health sampling and the full incident record.

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Fatalities
0
Total incidents
41
Years on record
1988–2017
Latest incident
Jul 2017
Compliance record
MSHA citations since 2001
128
citations
23
significant & substantial
$17,707
proposed penalties
$15,291
paid to date
86% of proposed penalties paid to date, a $2,416 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2001
52
inspections on record
1,230
inspection hours
10.4
citations per 100 inspection hours
This rate is recorded citations divided by MSHA inspection hours, per 100 hours. It reflects inspection effort, not mine size or production.
128 citations across 1,230 inspection hours.
Source: MSHA inspections data, updated weekly.

River Rock Plant has $18K in proposed MSHA penalties and $2K outstanding across 0 contested dockets.

Penalty disposition
Differences between proposed and paid penalties reflect both settlements and conference reductions and amounts still owed. Outstanding is the balance currently owed.
$18K
proposed penalties
$18K
current assessed
$15K
paid to date
$2K
outstanding
128 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2019-02-07.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
Quarterly safety rates
Citations per million reported employee-hours. Rates begin in 2000, when MSHA's quarterly employment data starts; earlier incidents are counted but cannot be rate-adjusted. Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.
Citations per million employee-hours, as reported to MSHA
Quarter Hours worked Citations S&S Per 1M hrs
2020 Q4 352 0 0 0.0
2020 Q3 560 0 0 0.0
2020 Q2 375 0 0 0.0
2020 Q1 169 0 0 0.0
2019 Q4 426 0 0 0.0
2019 Q3 670 0 0 0.0
2019 Q2 641 0 0 0.0
2019 Q1 261 1 0 3831.4
Show 76 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2018 Q4 490 0 0 0.0
2018 Q3 708 1 1 1412.4
2018 Q2 1,093 0 0 0.0
2018 Q1 1,286 1 0 777.6
2017 Q4 657 0 0 0.0
2017 Q3 7,821 0 0 0.0
2017 Q2 8,303 0 0 0.0
2017 Q1 10,873 7 2 643.8
2016 Q4 12,455 0 0 0.0
2016 Q3 17,367 1 0 57.6
2016 Q2 15,920 0 0 0.0
2016 Q1 14,642 0 0 0.0
2015 Q4 14,670 6 2 409.0
2015 Q3 20,425 0 0 0.0
2015 Q2 18,101 0 0 0.0
2015 Q1 16,138 2 0 123.9
2014 Q4 16,287 2 0 122.8
2014 Q3 17,561 0 0 0.0
2014 Q2 18,407 8 6 434.6
2014 Q1 16,779 0 0 0.0
2013 Q4 17,329 3 2 173.1
2013 Q3 18,387 20 2 1087.7
2013 Q2 17,785 0 0 0.0
2013 Q1 14,099 1 0 70.9
2012 Q4 15,110 1 0 66.2
2012 Q3 17,978 0 0 0.0
2012 Q2 15,986 0 0 0.0
2012 Q1 12,872 0 0 0.0
2011 Q4 13,094 1 0 76.4
2011 Q3 15,910 0 0 0.0
2011 Q2 12,982 0 0 0.0
2011 Q1 16,022 0 0 0.0
2010 Q4 13,312 1 0 75.1
2010 Q3 16,038 0 0 0.0
2010 Q2 13,621 0 0 0.0
2010 Q1 11,941 6 1 502.5
2009 Q4 14,799 7 1 473.0
2009 Q3 16,759 0 0 0.0
2009 Q2 19,122 7 0 366.1
2009 Q1 18,536 2 0 107.9
2008 Q4 21,381 0 0 0.0
2008 Q3 22,196 0 0 0.0
2008 Q2 19,734 2 1 101.3
2008 Q1 18,690 5 0 267.5
2007 Q4 21,211 0 0 0.0
2007 Q3 24,446 0 0 0.0
2007 Q2 22,900 1 0 43.7
2007 Q1 22,612 0 0 0.0
2006 Q4 23,801 3 1 126.0
2006 Q3 24,101 7 0 290.4
2006 Q2 24,994 7 2 280.1
2006 Q1 21,799 0 0 0.0
2005 Q4 21,622 3 0 138.7
2005 Q3 21,945 0 0 0.0
2005 Q2 20,140 0 0 0.0
2005 Q1 18,032 0 0 0.0
2004 Q4 17,541 5 1 285.0
2004 Q3 21,761 0 0 0.0
2004 Q2 19,089 1 1 52.4
2004 Q1 14,889 0 0 0.0
2003 Q4 16,726 7 0 418.5
2003 Q3 18,196 0 0 0.0
2003 Q2 17,213 3 0 174.3
2003 Q1 14,093 0 0 0.0
2002 Q4 12,059 1 0 82.9
2002 Q3 13,086 0 0 0.0
2002 Q2 13,695 0 0 0.0
2002 Q1 11,934 4 0 335.2
2001 Q4 12,581 0 0 0.0
2001 Q3 14,376 0 0 0.0
2001 Q2 14,376 1 0 69.6
2001 Q1 14,665 0 0 0.0
2000 Q4 16,006 0 0 0.0
2000 Q3 17,612 0 0 0.0
2000 Q2 15,829 0 0 0.0
2000 Q1 8,881 0 0 0.0
No fatalities recorded at this mine.

Reportable incidents

41 on file

2017 · 1 incident

July 14, 2017 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
CalMat Co · Over-exertion in pulling or pushing objects

On 7/17/17 the employee requested medical treatment, was diagnosed with a right hip strain and was placed on restricted duty which is being accommodated. The employee was laying on their back on top of a bottom deck screen pushing out one screen panel toward the discharge end with both legs in a squat type motion resulting in R-Hip pain.

2012 · 1 incident

May 14, 2012 CA · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator POWERED HAULAGE
CalMat Co · Struck against a moving object

On 6/1/12 the employee requested medical treatment, was taken to the company clinic and was prescribed physical therapy for a sprained left shoulder. The employee alleged that he jammed his L-shoulder on an arm rest of a loader while stock piling. He was returned to full duty on 6/1/12.

2010 · 1 incident

September 14, 2010 CA · Metal/Non-Metal prep plant foreman, supervisor, mill plant supervisor, kiln supervisor HANDTOOLS (NONPOWERED)
CalMat Co · Struck by... (Not Elsewhere Classified)

On 9/14/10 The employee was taken to the hospital and received staples for a L-knee laceration. The employee was cutting a plastic piece of guarding with a utility knife when he lost control of his arm motion and hit the inner leg with the knife. The employee was returned to regular duty on 9/14/10.

2009 · 1 incident

November 30, 2009 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
CalMat Co · Struck by falling object

The employee went to the company clinic on 11/30/09 and was placed on restricted duty. The employee was removing a wear plate from the side of a loader bucket, when the plate fell and hit his R-foot.

2008 · 2 incidents

November 17, 2008 CA · Metal/Non-Metal prep plant foreman, supervisor, mill plant supervisor, kiln supervisor SLIP OR FALL OF PERSON
CalMat Co · Fall onto or against objects

The employee was taken to the company clinic on 11/17, received 10 stitches and was placed on restricted duty. Employee tripped on a steel tube and fell on the dust sealing ring from a cone crusher resulting in a R-hand laceration.

October 2, 2008 CA · Metal/Non-Metal welder (shop) HANDLING OF MATERIALS
CalMat Co · Struck against stationary object

The employee went to the company clinic on 10/3/08 and was placed on restricted duty. A burnt out light bulb on the mixer truck broke while being changed by employee, causing a lacerationto L-thumb, requiring sutures.

2007 · 4 incidents

October 5, 2007 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
CalMat Co · Struck by... (Not Elsewhere Classified)

The employee went to an emergency room on 10/05/2007, received stitches, and placed on restricted duty. The employee was cutting zip ties with a box knife cutter and lacerated his left forearm.

August 21, 2007 CA · Metal/Non-Metal welder (shop) HANDLING OF MATERIALS
CalMat Co · Over-exertion in lifting objects

The employee requested to go to the company clinic on 8/23/2007 and was placed on restricted duty. While moving a shaker screen, the employee slipped on a loose pile of rock resulting in a R-inguinal pain (ALLEGED).

June 19, 2007 CA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
CalMat Co · Over-exertion (Not Elsewhere Classified)

The employee went to the company clinic on 6/25/2007 and was placed on restricted duty. While disconnecting a cable from the scraper, the cable jerked and caused a sprain to L-shoulder.

May 10, 2007 CA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman MACHINERY
CalMat Co · Struck by falling object

The employee was taken to the hospital on 5/10/07 and was taken off work. The employee was struck on the head and chest by a tree limb while it was being cut down by another employee.

2005 · 1 incident

June 16, 2005 CA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDTOOLS (NONPOWERED)
CalMat Co · Struck by... (Not Elsewhere Classified)

Employee went to see company doctor on 6/16/2005 and was placed on restricted work; while removing a guard on the tunnel feeder, the cutting knife slipped and caused a laceration to L-palm that required stitches.

2004 · 1 incident

September 27, 2004 CA · Metal/Non-Metal welder (shop) HANDLING OF MATERIALS
CalMat Co · Struck by... (Not Elsewhere Classified)

Employee went to see company doctor on 9/30/04 and was placed on restricted duty. Employee, while sliding himself on concrete floor under loader to install front differential, punctured his left hand/arm.

2003 · 2 incidents

June 9, 2003 CA · Metal/Non-Metal truck driver SLIP OR FALL OF PERSON
CalMat Co · Fall onto or against objects

EMPLOYEE WENT TO SEE COMPANY DOCTOR ON 6-10-03 AND WAS PLACED ON RESTRICTED DUTY. EE WAS WASHING OUT GRIZZLY AND WHILE STANDING ON THE MATERIAL HE WAS WASHING AWAY, HE LOST HIS FOOTING AND FEL L INTO GRIZZLY UP TO HIS ARMS WHICH CAUSED A STRAIN TO HIS LEFT SHOULDER.

March 31, 2003 CA · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator HANDTOOLS (NONPOWERED)
CalMat Co · Struck against stationary object

EMPLOYEE WENT TO SEE COMPANY DOCTOR ON 3/21/03, STITCHES WERE APPLIED AND EMPLOYEE WAS PLACED ON RESTRICTED DUTY. ATTEMPTING TO REMOVE A STRAP FROM A COUNTER WEIGHT ON #10 CONVEYOR, PRYBAR SLI PPED ALLOWING HAND TO HIT A GUARD CAUSING A LACERATION TO R-WRIST.

2002 · 3 incidents

September 18, 2002 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
CalMat Co · Fall onto or against objects

EMPLOYEE WENT TO SEE COMPANY DOCTOR ON 9/19/02, STITCHES WERE APPLIED AND HE WAS RETURNED TO FULL DUTY. DESCENDING STAIRS WITH A 5-GALLON BUCKET FILLED WITH TOOLS, EMPLOYEE LOST FOOTING, HELD ONTO BUCKET WHICH THREW HIM ONTO RAILING AND HIS SAFETY GLASSES CAUSED 2 LACERATIONS TO HIS FACE.

July 3, 2002 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
CalMat Co · Over-exertion in pulling or pushing objects

EE WENT TO COMPANY DOCTOR ON 7-8-02 AND WAS TAKEN OFF WORK. EE WAS ATTEMPTING TO REMOVE A SCREEN FROM THE SIMPLICITY SHAKER THAT HAD BEEN SILICONED IN. HE PULLED TOO HARD AND STRAINED A MUSCLE IN HIS LOWER ABDOMEN. (ALLEGED)

March 11, 2002 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
CalMat Co · Over-exertion (Not Elsewhere Classified)

WHILE DISCONNECTING PLANT RECIRCULATING PUMP FOR REPAIR, EE STRAINED HIS CHEST WALL. EE WENT TO SEE COMPANY DR ON 3/14/02 & WAS PLACED ON RESTRICTED DUTY.

2001 · 1 incident

May 22, 2001 CA · Metal/Non-Metal truck driver SLIP OR FALL OF PERSON
CalMat Co · Fall from machine

EMPLOYEE FELL OFF THE STEP OF THE TRUCK RESULTING IN A BROKEN ANKLE.

2000 · 1 incident

June 20, 2000 CA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
CalMat Co · Over-exertion in pulling or pushing objects

EMPLOYEE WENT TO A DOCTOR ON 6/20/00 & WAS PLACED ON RESTRICTED DUTY. WHILE PULLING A WATER HOSE TO WASH OFF A SLAB, HOSE SLIPPED CAUSING EMPLOYEE TO LOSE HIS BALANCE AND STRAINING HIS LEFT K NEE.

1999 · 2 incidents

July 31, 1999 CA · Metal/Non-Metal welder (shop) HANDLING OF MATERIALS
CalMat Co · Over-exertion in lifting objects

EE WAS REMOVING SEAT FROM LOADER & STRAINED ABDOMINAL WALL & TRUNK

June 28, 1999 CA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman POWERED HAULAGE
CalMat Co · Struck against a moving object

EMPLOYEE WAS STOPPED AND WAITING TO CHANGE LANESWHEN HE WAS REAR ENDED BY ANOTHER VEHICLE. THIS CAUSED NECK STRAIN.

1998 · 3 incidents

September 25, 1998 CA · Metal/Non-Metal welder (shop) MACHINERY
Calmat Of Central California · Struck by falling object

EE WAS CUTTING A STEEL PIECE OF METAL AND WHILE DOING SO THE OTHER PIECE FELL OFF TABLE AND HIT HIS LEFT FOOT.

August 12, 1998 CA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver POWERED HAULAGE
Calmat Of Central California · Struck against a moving object

EE WAS DRIVING FROM THE WATER PUMP IN THE PIT WITH A FULL LOAD OF WATER. HIS RIGHT FRONT TIRE HIT THE BERM AND PULLED THE TRUCK OFF AND OVER THE ROAD. THE TRUCK ROLLED DOWN THE SLOPE.

May 12, 1998 CA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman SLIP OR FALL OF PERSON
Calmat Of Central California · Fall to lower level, (Not Elsewhere Classified)

WHILE RETURNING TO THE POINT OF CRUSHER REPAIR AFTER GETTING A CROW BAR, EE SLIPPED AND FELL BETWEEN THE CRUSHER AND THE CATWALK PULLING AMUSCLE IN GROIN AREA OF RIGHT SIDE.

1997 · 3 incidents

December 15, 1997 CA · Metal/Non-Metal outside foreman, leadman HANDLING OF MATERIALS
Calmat Of Central California · Over-exertion (Not Elsewhere Classified)

WHILE TRYING TO ADJUST THE FORKS ON LOADER. EMPLOYEE LIFTED LEFT FORK WITH LEFT ARM WHILE PUSHING WITH RIGHT ARM. FELT A CRACK AND SHARP PAIN IN LEFT ARM JUST BELOW SHOULDER.

December 11, 1997 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Calmat Of Central California · Over-exertion in lifting objects

WHILE TRYING TO RAISE HOOD OF TRUCK TO CHECK OIL AND WATER. COULD ONLY RAISE HOOD ABOUT 4" THERE WAS TOO MUCH MUD UNDER FENDERS FOR MY WEIGHT TO RAISE THE HOOD. I TRIED TO RAISE THE HOOD ALL T HE WAY AND FELT A STRAIN IN MY BACK.

March 10, 1997 CA · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON
Calmat Of Central California · Over-exertion (Not Elsewhere Classified)

WAS CRAWLING LIP INTO ENGINE COMPARTMENT IN AN AWKWARD POSITION, FOOT SLIPPED ON LEAF SPRINGS REACHED UP TO GRAB RADIATOR BRACE AND FELT PAIN IN LEFT CHEST AREA.

1994 · 3 incidents

August 29, 1994 CA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Calmat Of Central California · Struck by falling object

A PIECE OF SCRAP IRON (CRUSHER LINER) WEIGHING APPROX 2000# FELL FROM THE LOADED BED OF A 2 1/2 TON CHEVY FLATBED TRUCK, LANDING ON THE LEFT ANKLE OF THE PARTY WHO WAS ATTEMPTING TO TIE THE LO AD DOWN, THUS SMASHING THE ANKLE SEVERELY.

April 11, 1994 CA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Calmat Of Central California · Caught in, under or between (Not Elsewhere Classified)

EMPLOYEE WAS REMOVING TEMPLATE FROM CONVEYOR BELT.THE TEMPLATE SLIPPED AND SMASHED RIGHT HAND ON THE RAIL OF THE CATWALK.FRACTURED RIGHT THUMB AND ABRASION TO HAND.

January 28, 1994 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
Calmat Of Central California · Fall to lower level, (Not Elsewhere Classified)

WHILE CUTTING A PIECE OF METAL FRAME OF A BUNKER THE ENTIRE FLOOR OF BUNKER GAVE WAY CAUSING EMPLOYEE TO FALL 8 TO 9 FT TO THE GROUND

1993 · 2 incidents

August 25, 1993 CA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver SLIP OR FALL OF PERSON
Calmat Of Central California · Fall onto or against objects

WHILE WALKING TO SHOP TO CLOCK IN FOR WORK, TRIPPED OVER CONCRETE STEP AND HIT FACE ON BUILDING.

April 7, 1993 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Calmat Of Central California · Caught in, under or between (Not Elsewhere Classified)

REMOVING A BRACE DRUM IT FELL CATCHING FINGER BETWEEN DRUM & SPINDLE

1992 · 3 incidents

July 27, 1992 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
Calmat Of Central California · Struck by falling object

68935 DRIVING NEW HEAD ONTO NEW HANDLE THE BOTTOM KICKED OUT AND THE HEAD SLIPPED OUT OF HAND.THE HEAD DROPPED ONTO FOOT.

January 28, 1992 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Calmat Of Central California · Struck by flying object

WHILE REMOVING A CUTTING EDGE FROM SCRAPER A PARTICLE FLEW INTO EMPLOYEES EYE CAUSING AN ABRASION.

1991 · 3 incidents

September 17, 1991 CA · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator HANDLING OF MATERIALS
Calmat Of Central California · Struck by... (Not Elsewhere Classified)

EMPLOYEE WAS HOOKING UP CABLE FROM PADDLEWHEEL TO DOZER. THE CHOKER CABLE BROKE AND A STRAND CUT HIS RIGHT ARM.

September 13, 1991 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
Calmat Of Central California · Over-exertion (Not Elsewhere Classified)

EMPLOYEE WAS HAMMERING ON PLANT WITH A 20# SLEDGEHAMMER FOR ABOUT 3 HOURS AFTER HE FELT PAIN IN HIS LOWER BACK

June 19, 1991 CA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver POWERED HAULAGE
Calmat Of Central California · Struck by falling object

EMPL SHOVELING AROUND CONVEYORS WHEN A ROCK FELL OFF CONVEYOR AND HIT EMPL ON HEAD CAUSING BRUISE AND CUT.

1989 · 1 incident

January 24, 1989 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
Calmat Of Central California · Struck by flying object

WHILE GRINDING PIECE OF METAL FOR MAINTENCE DUTIES A SMALL PIECE OF METAL FLEW OOFF AND CUT EYE OF EMPLOYEE.

1988 · 2 incidents

March 22, 1988 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
River Rock Products · Struck by flying object

WHILE SHOVELING AT ROCK PLANT ROCK FLEW OFF THE SHOVEL AND HIT LEFT FRONT TOOTH.

March 11, 1988 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
River Rock Products · Struck by falling object

WORKING ON FEED PLATE ON CRUSHER WHILE LEFTING THE PLATE THE SHACKEL CAME LOOSE AND HIT I,NAME IN LEFT EYEBROW.

For insurers, brokers, and safety consultants

The full compliance file on River Rock Plant

A dated report covering the 26-year penalty trail, line-item violation pattern, contest and docket posture, rate-normalized peer benchmark, and full fatality history. Delivered as a PDF with the underlying data as CSV.