Mining Incidents

West Plant Metal/Non-Metal

CalMat Co · Surface
Controlled by Vulcan Materials Company
Mesa, Maricopa County, AZ  ·  Active
MSHA Mine ID: 0202166

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Fatalities
0
Total incidents
27
Years on record
2000–2024
Latest incident
Aug 2024
Compliance record
MSHA citations since 2000
103
citations
18
significant & substantial
$28,090
proposed penalties
$25,899
paid to date
Source: MSHA violations data, updated weekly.
Quarterly safety rates
Citations per million employee-hours, as reported to MSHA
Quarter Hours worked Citations S&S Per 1M hrs
2025 Q4 17,265 0 0 0.0
2025 Q3 3,204 3 0 936.3
2025 Q2 16,651 0 0 0.0
2025 Q1 2,209 0 0 0.0
2024 Q4 16,612 2 0 120.4
2024 Q3 2,041 0 0 0.0
2024 Q1 2,874 0 0 0.0
2023 Q4 2,507 0 0 0.0
Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.
No fatalities recorded at this mine.

Reportable incidents

27 on file

2024 · 1 incident

August 19, 2024 AZ · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman STRIKING OR BUMPING
CalMat Co · Struck against stationary object

While Employee was walking up a staircase, accessing a conveyor catwalk, Employee moved right arm and engaged a broken sign causing a laceration in the right forearm.

2023 · 1 incident

June 15, 2023 AZ · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
CalMat Co · Struck by flying object

Employee was standing too close to another coworker when a bearing was being removed. It broke loose and struck their lip, splitting it. They needed stitches. No lost time at work beyond the end of that shift. No time off work or work restrictions required by medical personal.

2022 · 1 incident

January 14, 2022 AZ · Metal/Non-Metal outside foreman, leadman SLIP OR FALL OF PERSON
CalMat Co · Fall to lower level, (Not Elsewhere Classified)

On 1/14/22 EE experienced first aid injuries when EE fell through a catwalk. On 6/15 EE had EE's shoulders medically checked. EE was released to full-duty and light physical therapy. On 8/15 EE was still having discomfort, a MRI showed a slight tear in both shoulders. EE had surgery on EE's right shoulder on 10/10/22.

2019 · 1 incident

May 4, 2019 AZ · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
CalMat Co · Struck by... (Not Elsewhere Classified)

On 5/4/19 employee was taken to the local hospital where EE received surgery for a puncture wound. While greasing the left lift cylinder of the 775E haul truck, and holding the grease lines together, the grease gun came loose of the grease zirk resulting in a puncture to the left thumb.

2018 · 1 incident

July 12, 2018 AZ · Metal/Non-Metal quality control technician, laboratory technician, laboratory assistant STRIKING OR BUMPING
CalMat Co · Struck against stationary object

A sharp object was in a chute EE was examining with another employee and attempted to avoid it while exiting chute. Object snagged EE's safety vest and cut employee while exiting.

2015 · 1 incident

October 2, 2015 AZ · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech DISORDERS (REPEATED TRAUMA)
CalMat Co · Rubbed or abraded

On 10/21/15, Employee requested and received medical treatment for an injury that occurred on 10/2/15. He was taken to the Company clinic and was placed on modified duty which was accommodated. The employee reported that kneeling on both knees to cut a steel plate resulted in L-knee pain and swelling. He was diagnosed with Prepatellar bursitis.

2014 · 2 incidents

April 17, 2014 AZ · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
CalMat Co · Caught in, under or between (Not Elsewhere Classified)

The employee was taken to the Company clinic on 4/17/14 and was placed on restricted duty which was accommodated. While changing a screen cloth with a co-worker, the employee's R-hand was caught between a wrench and the metal framework. The employee was diagnosed with a R-hand contusion and released to full duty on 04/28/14.

March 17, 2014 AZ · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
CalMat Co · Fall down stairs

The employee requested medical treatment on 3/18/14, was taken to the company clinic and placed on restricted duty which is being accommodated part-time. The employee has a pre-existing back condition which possibly aggravated when he slipped on a step while descending stairs. The employee was diagnosed with a Lumbar Strain. Claim is questionable.

2012 · 1 incident

April 9, 2012 AZ · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator SLIP OR FALL OF PERSON
CalMat Co · Over-exertion (Not Elsewhere Classified)

On 04/10/2012 employee was taken to the company clinic, was diagnosed with a right shoulder sprain and was placed on restricted duty. The employee reported while descending the ladder on a loader, his right foot slipped off causing him to lose grip with left hand and placed weight on right arm and shoulder.

2010 · 1 incident

April 6, 2010 AZ · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver SLIP OR FALL OF PERSON
CalMat Co · Fall to the walkway or working surface

On 04/07/2010 employee requested medical treatment and was placed on modified duty for an injury that occurred on 04/06/2010. Employee reported while walking to the truck, employee fell to the ground after tripping on a clump of dirt, which resulted in a left shoulder strain and left toe sprain.

2008 · 4 incidents

October 21, 2008 AZ · Metal/Non-Metal refuse truck driver, backfill truck driver, stock pile truck driver SLIP OR FALL OF PERSON
CalMat Co · Fall to the walkway or working surface

EE was washing a sweeper truck with a pressure washer. While walking backwards, he tripped over a concrete parking block. He was taken to the industrial clinic where he was diagnosed with minor contusions and an abrasion and was referred to a hand specialist.The hand specialist diagnosed him w/a radius fracture to the left wrist.

July 14, 2008 AZ · 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 was descending down the ladder on a PC1100LC-6 excavator when he slipped hitting his wrist and hand on the tracks.

March 28, 2008 AZ · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech POWERED HAULAGE
CalMat Co · Struck by falling object

Tech was working on the engine of a HD605 Haul truck. When another tech lifted the hood with a crane, the hood slipped and fell on the tech working on the engine hitting his head. The tech had a hard hat on, but substained a strained to his neck.

March 6, 2008 AZ · Metal/Non-Metal welder (shop) SLIP OR FALL OF PERSON
CalMat Co · Fall onto or against objects

Employee stated that he fell while stepping over trailer to retrieve parts from the back of truck, resulting in sprain of right third finger. Became reportable following medical treatment on 04/04/2008.

2007 · 5 incidents

October 18, 2007 AZ · Metal/Non-Metal greaser, grease man, oiler, lube man, dragline oiler HANDLING OF MATERIALS
CalMat Co · Over-exertion (Not Elsewhere Classified)

The employee requested to go to the company clinic on 10/19/2007 and was placed on restricted duty. While exiting the VMC excavator, the employee stepped on the last step of ladder with R-toes only, causing an alleged sprain to R-great toe.

September 22, 2007 AZ · Metal/Non-Metal assayer, geologist, metallurgist, engineer, engineer management HANDLING OF MATERIALS
CalMat Co · Struck by falling object

While removing a part from the haul truck, pressure from suspension was released, allowing truck frame to fall.

July 31, 2007 AZ · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech POWERED HAULAGE
CalMat Co · Caught in, under or between (Not Elsewhere Classified)

Employee was installing an electric motor; motor moved quickly and pinched his hand between motor and I-beam structure.

February 28, 2007 AZ · 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

Employee was rolling a bearing housing down the walkway when he felt pain in his lower back.

January 14, 2007 AZ · Metal/Non-Metal welder (shop) MACHINERY
CalMat Co · Contact with hot objects or substances

Employee was chipping a weld and a piece of hot slag entered his left eye. He was wearing clear safety glasses and a welding hood

2006 · 1 incident

November 2, 2006 AZ · Metal/Non-Metal beltman, conveyor man, conveyor belt worker, mobile bridge carrierman, feeder operator, conveyor rider STEPPING OR KNEELING ON OBJECT
CalMat Co · Struck against stationary object

Employee was cleaning up work slab at secondary crusher, lifting scrap steel into tractor bucket. He caught his heel on another piece of steel and twisted his right knee.

2005 · 3 incidents

October 5, 2005 AZ · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
CalMat Co · Fall to the walkway or working surface

While cleaning up after a job, employee was carrying a bucket of tools that weighted approx. 15 lbs in his left hand and a bucket of flexcos in his right hand. He stepped off the concrete slab onto dirt surface, walked approx. three feet, stepped on a rock and lost footing. Right leg turned under and twisted. Employee fell to the ground and called for help.

September 19, 2005 AZ · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
CalMat Co · Struck by... (Not Elsewhere Classified)

Employee was repairing hydraulic leak on accumulator on HP500 cone crusher when pressurized hydraulic fluid was released from the accumulator causing employee to strike himself in the chest with a pipe wrench.

January 7, 2005 AZ · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
CalMat Co · Struck against stationary object

While removing old rollers and guarding for belt #3 - cut top of left hand on sharp steel.

2004 · 2 incidents

July 28, 2004 AZ · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
CalMat Co · Caught in, under or between a moving and a stationary object

Employee went to see company doctor on 7/28/04 and was placed on restricted duty. Employee was helping electrician fill trench with concrete. Smashed finger when flipped chute down, causing contusion and open wound to his right index finger.

March 10, 2004 AZ · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman SLIP OR FALL OF PERSON
CalMat Co · Over-exertion (Not Elsewhere Classified)

Employee went to see company doctor on 3/12/04 and was placed on restricted duty. Employee stepped onto conveyor for a mechanical repair causing internal derangement to left knee.

2000 · 2 incidents

February 17, 2000 AZ · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech STEPPING OR KNEELING ON OBJECT
Calmat Company Of Arizona · Struck against stationary object

EMPLOYEE INJURED SELF ON 2/17/00. STEPPED OUT OFTRUCK AND STEPPEN ON ROCK TWISTING KNEE. EMPLOYEE DIDN'T REPORT INJURY UNTIL 4/23/00. WENT TO DOCTOR AND HAD SURGERY SCHEDULED FOR 5/4/00. HE RE TURNED TO LIGHT DUTY 5/12/00 (5 DAYS OFF).

February 10, 2000 AZ · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Calmat Company Of Arizona · Over-exertion (Not Elsewhere Classified)

EE WENT TO CLINIC REGARDING THIS INJURY ON 2-16-00 AT 8:40 AM AND IS ON LIGHT DUTY AS OF 2-16-00. WHILE TURNING WHEELS ON CONVEYOR STACKER, PULLED MUSCLE BEHIND LEFT SHOULDER.