Mining Incidents

PILARCITOS QUARRY Metal/Non-Metal

CalMat Co · Surface
Controlled by Vulcan Materials Company
Half Moon Bay, San Mateo County, CA  ·  Abandoned
MSHA Mine ID: 0402261

PILARCITOS QUARRY has $252K in proposed MSHA penalties and $0 outstanding across 8 contested dockets, plus health sampling and the full incident record.

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Fatalities
0
Total incidents
21
Years on record
1984–2017
Latest incident
Apr 2017
Compliance record
MSHA citations since 2000
220
citations
74
significant & substantial
$252,176
proposed penalties
$187,879
paid to date
75% of proposed penalties paid to date, a $64,297 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
61
inspections on record
1,175
inspection hours
18.7
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.
220 citations across 1,175 inspection hours.
Source: MSHA inspections data, updated weekly.

PILARCITOS QUARRY has $252K in proposed MSHA penalties and $0 outstanding across 8 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.
$252K
proposed penalties
$188K
current assessed
$188K
paid to date
$0
outstanding
217 assessments are final orders; 8 contested dockets.
As of the most recent assessment on 2018-09-20.
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 Q2 2,343 0 0 0.0
2020 Q1 3,278 0 0 0.0
2019 Q3 3,828 0 0 0.0
2019 Q2 3,613 0 0 0.0
2019 Q1 3,017 0 0 0.0
2018 Q4 3,651 0 0 0.0
2018 Q3 5,149 1 0 194.2
2018 Q2 4,498 0 0 0.0
Show 73 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2018 Q1 4,282 2 0 467.1
2017 Q4 5,350 0 0 0.0
2017 Q3 4,205 0 0 0.0
2017 Q2 3,000 2 1 666.7
2017 Q1 5,289 0 0 0.0
2016 Q4 4,685 0 0 0.0
2016 Q3 6,043 0 0 0.0
2016 Q2 6,132 1 1 163.1
2016 Q1 5,952 0 0 0.0
2015 Q4 5,850 0 0 0.0
2015 Q3 5,433 0 0 0.0
2015 Q2 5,312 3 1 564.8
2015 Q1 4,112 0 0 0.0
2014 Q4 3,651 2 0 547.8
2014 Q3 2,328 3 0 1288.7
2014 Q2 3,855 0 0 0.0
2014 Q1 4,016 2 1 498.0
2013 Q4 4,478 0 0 0.0
2013 Q3 4,233 0 0 0.0
2013 Q2 4,351 5 2 1149.2
2013 Q1 4,304 0 0 0.0
2012 Q4 4,570 7 1 1531.7
2012 Q3 5,120 0 0 0.0
2012 Q2 5,765 4 1 693.8
2012 Q1 5,511 0 0 0.0
2011 Q4 6,262 15 5 2395.4
2011 Q3 7,011 0 0 0.0
2011 Q2 5,450 1 1 183.5
2011 Q1 4,642 5 1 1077.1
2010 Q4 5,311 0 0 0.0
2010 Q3 5,698 0 0 0.0
2010 Q2 5,719 0 0 0.0
2010 Q1 5,739 9 4 1568.2
2009 Q4 5,754 15 5 2606.9
2009 Q3 5,268 9 4 1708.4
2009 Q2 6,013 0 0 0.0
2009 Q1 5,327 9 5 1689.5
2008 Q4 5,608 0 0 0.0
2008 Q3 6,029 15 3 2488.0
2008 Q2 5,687 0 0 0.0
2008 Q1 5,496 14 4 2547.3
2007 Q4 6,591 0 0 0.0
2007 Q3 7,501 19 7 2533.0
2007 Q2 7,367 0 0 0.0
2007 Q1 6,383 0 0 0.0
2006 Q4 7,264 16 8 2202.6
2006 Q3 7,884 11 4 1395.2
2006 Q2 7,040 0 0 0.0
2006 Q1 6,351 16 5 2519.3
2005 Q4 7,321 0 0 0.0
2005 Q3 7,368 0 0 0.0
2005 Q2 6,374 2 0 313.8
2005 Q1 5,043 0 0 0.0
2004 Q4 6,954 5 1 719.0
2004 Q3 7,877 0 0 0.0
2004 Q2 6,724 1 0 148.7
2004 Q1 5,737 0 0 0.0
2003 Q4 6,776 8 1 1180.6
2003 Q3 5,726 0 0 0.0
2003 Q2 10,354 0 0 0.0
2003 Q1 5,338 5 3 936.7
2002 Q4 3,568 7 3 1961.9
2002 Q3 3,927 0 0 0.0
2002 Q2 5,777 2 1 346.2
2002 Q1 5,823 1 1 171.7
2001 Q4 4,651 0 0 0.0
2001 Q3 3,727 0 0 0.0
2001 Q2 4,543 2 0 440.2
2001 Q1 3,986 0 0 0.0
2000 Q4 8,806 0 0 0.0
2000 Q3 7,807 1 0 128.1
2000 Q2 5,163 0 0 0.0
2000 Q1 4,426 0 0 0.0
No fatalities recorded at this mine.

Reportable incidents

21 on file

2017 · 1 incident

April 18, 2017 CA · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON
CalMat Co · Fall from machine

On 4/19/17, employee requested medical treatment, was placed on restricted duty and was prescribed physical therapy. The employee did not use safe means of access on a screen and fell 3 feet. The physician diagnosed a L-hip sprain and contusion in addition to lumbar radiculopathy.

2016 · 1 incident

July 1, 2016 CA · Metal/Non-Metal quality control technician, laboratory technician, laboratory assistant SLIP OR FALL OF PERSON
CalMat Co · Over-exertion (Not Elsewhere Classified)

On 8/2/16, the employee requested medical treatment, was taken to the company clinic, diagnosed with a L-ankle sprain, was returned to full duty and was prescribed physical therapy. The employee alleged that they rolled their left ankle while walking towards the back of the quality control lab.

2015 · 1 incident

July 13, 2015 CA · Metal/Non-Metal welder (shop) MACHINERY
CalMat Co · Contact with hot objects or substances

On 7/13/15, the employee was treated at an emergency room, was diagnosed with a 2nd degree burn to the left wrist and was placed on restricted duty which is being accommodated. The employee lost control of a torch and subsequently burned his left wrist.

2009 · 1 incident

August 11, 2009 CA · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer HANDTOOLS (NONPOWERED)
West Coast Aggregates, Inc · Struck by... (Not Elsewhere Classified)

EE was working around the crusher in the wash plant putting on some V-Belts and the wrench he was using slipped out and hit right hand, middle finger.

2006 · 1 incident

March 15, 2006 CA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDTOOLS (NONPOWERED)
West Coast Aggregates, Inc · Struck by... (Not Elsewhere Classified)

EE was using a pry bar to put a screen in place. The bar slipped and cut his lip.

2004 · 1 incident

December 13, 2004 CA · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON
West Coast Aggregates, Inc · Fall onto or against objects

This is on injury that developed after a non-reportable fall 11-16-04 where the person caught his right foot in a tail pulley handle guard when he slipped and fell and at that time did not have injury and went back to work. his right foot toe dislocated now.

2003 · 1 incident

October 3, 2003 CA · Metal/Non-Metal mine manager, mine foreman, mine owner HANDLING OF MATERIALS
West Coast Aggregates, Inc · Struck against stationary object

PUSHED THE CRACKED CERAMIC RESERVOIR TOILET TOP WITH THE BACK OF HIS LEFT HAND & HIS MIDDLE FINGER WAS CUT BY THE CERAMIC.

2002 · 1 incident

October 16, 2002 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech POWERED HAULAGE
West Coast Aggregates, Inc · Fall onto or against objects

WORKER WAS PUTTING THE LEFT FRONT FENDER ON A 980-G CAT LOADER. HE PROCEEDED TO CLIMB DOWN FORM THE FENDER ON THE INSIDE OF THE TIRE AND CAUGHT HIS RIGHT FOOT BETWEEN THE TIRE & THE LOADER FRAME. HE LOST HIS FOOTING AND TURNED SIDEWAYS KNOCKING HIS HARD HAT OFF AND FELL HEAD FIRST INTO THE CORNER OF THE BACK OF THE LOADER BUCKET PUTTING A CUT ON TOP OF HIS HEAD.

2001 · 1 incident

April 11, 2001 CA · Metal/Non-Metal mine manager, mine foreman, mine owner HANDLING OF MATERIALS
West Coast Aggregates, Inc · Struck by... (Not Elsewhere Classified)

EE MOVING SCREENS IN DEBRIS BOX SLIPPED OUT OF HAND AND CAUSED A LACERATION ON HIS NOSE.

1999 · 1 incident

March 11, 1999 CA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator STEPPING OR KNEELING ON OBJECT
West Coast Aggregates, Inc · Struck against stationary object

WALKING OUT OF THE SHOP IN THE PLANT, HE STEPPED ON A ROCK AND HIS LEFT ANKLE WENT SIDEWAYS. AFTER 5 MIN. THE PAIN STARTED INCREASING.

1997 · 6 incidents

November 7, 1997 CA · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer MACHINERY
West Coast Aggregates, Inc · Struck against a moving object

EMPLOYEE WAS WORKING ON A BENCH AND RAN THE RIGHT TRACK OF A D9 DOZER ON TO LOOSE MATERIAL WHICHGAVE WAY ROLLING THE MACHINE. HE WAS WEARING SEAT BELT, AND STATED THAT HE WAS NOT HURT AT THE TIME. 3 DAYS LATER HE COMPLAINED OF LOWER BACK PAIN.

July 30, 1997 CA · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator HANDLING OF MATERIALS
West Coast Aggregates, Inc · Over-exertion (Not Elsewhere Classified)

NORMAL WORKING CONDITIONS. DRY WEATHER. LADDER WAS CLEAR OF OBSTRUCTIONS.

April 18, 1997 CA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
West Coast Aggregates, Inc · Over-exertion in lifting objects

SPILLED DRAIN ROCK WAS BEING SHOVELED AWAY FROM THE CONVEYOR BELT.

March 25, 1997 CA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDTOOLS (NONPOWERED)
West Coast Aggregates, Inc · Struck by flying object

EE WAS STANDING BY WHEN OTHER WAS HITTING A CUT BOLT. WHEN HE HIT THE CUT BOLT A PIECE OF THEIR HAMMER FLEW OFF AND HIT EE IN THE SIDE.

February 24, 1997 CA · Metal/Non-Metal grader operator, roadgrader operator MACHINERY
West Coast Aggregates, Inc · Over-exertion (Not Elsewhere Classified)

EE WAS GRADING WITH OUT CAT 12 GRADER. WHEN HE PUSHED DOWN ON THE UP DOWN LEVER IT KICKED BACK AND HE PULLED A MUSSEL IN HIS SHOULDER.

1996 · 1 incident

December 23, 1996 CA · Metal/Non-Metal welder (shop) MACHINERY
West Coast Aggregates, Inc · Over-exertion (Not Elsewhere Classified)

EE WAS CUTTING METAL PIECES FOR A CONVEYOR. HE IS NOT SURE HOW THIS DID WHAT IT DID. HIS BACK STARTED HURTING & HAS GOTTEN WORSE SINCE THEN. HE DID NOT REPORT THIS TO ME UNTIL 1/3/97. HE THOUG HT IT WOULD GET BETTER NOT WORSE.

1990 · 1 incident

May 4, 1990 CA · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator POWERED HAULAGE
Piombo Construction Company · Struck against a moving object

ALLEGES JARRING WHILE OPERATING LOADER CASUED RIB CHEST PAIN.

1986 · 1 incident

February 27, 1986 CA · Metal/Non-Metal prep plant foreman, supervisor, mill plant supervisor, kiln supervisor MACHINERY
Piombo Corp · Caught in, under or between a moving and a stationary object

WHILE LIFTING A312-TON APRON FEEDER ONTO THE CRUSHING PLANT THE LOAD SHIFTED DUE TO UNSTABLE GROUND THAT THE CRANE WAS LOCATED & PINNED THE I NJURED AGAINST THE BANK INJURING HIS LEFT LEG & A NKLE. 3

1985 · 1 incident

May 16, 1985 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
Piombo Corp · Struck by... (Not Elsewhere Classified)

GREASE HOSE ON LUBE TRUCK WAS DEFECTIVE & T HE FORCE OF THE GREASE PUNCTURED THE SKIN OF I.NAMES RT INDEX FINGER DEPOSITING A FOREIGN BODY-GREASE-BENEATH THE SKIN LAYERS. I.NAME WAS LUBRICATI NG THE BUCKET PIVOT ON A LOADER.

1984 · 1 incident

August 8, 1984 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Piombo Corp · Struck against stationary object

I.NAME WAS HOLDING THE HEAD OF A WORN PLOW BOLT TO REMOVE A CUTTING EDGE OF A CAT FRONT-END LOADER PLOW BOLT CUT INTO HIS INDEX FINGER OF LEFT HAND

For insurers, brokers, and safety consultants

The full compliance file on PILARCITOS QUARRY

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.