Mining Incidents

Ralston Quarry Metal/Non-Metal

Controlled by CRH PLC
Golden, Jefferson County, CO  ·  Active
MSHA Mine ID: 0503007

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Fatalities
0
Total incidents
29
Years on record
2000–2024
Latest incident
Sep 2024
Compliance record
MSHA citations since 2000
239
citations
59
significant & substantial
$68,343
proposed penalties
$61,301
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 7,366 4 0 543.0
2025 Q3 27,636 5 1 180.9
2025 Q2 1,040 0 0 0.0
2025 Q1 6,993 6 1 858.0
2024 Q2 12,368 0 0 0.0
2024 Q1 8,169 0 0 0.0
2023 Q4 1,040 0 0 0.0
2023 Q2 1,040 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

29 on file

2024 · 1 incident

September 9, 2024 CO · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver SLIP OR FALL OF PERSON
Oldcastle SW Group, Inc · Fall from machine

Employee was completing pre-inspection of haul truck, as EE was climbing down, EE's boot treads got stuck on the step and EE lost footing and fell to the ground subsequently injuring wrist, fracture to wrist.

2022 · 1 incident

November 9, 2022 CO · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
Oldcastle SW Group, Inc · Struck by... (Not Elsewhere Classified)

EE was removing the cutting edge bolds while using impact when a bolt slipped down and cut the employees fingers.

2020 · 1 incident

June 8, 2020 CO · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer HANDLING OF MATERIALS
Asphalt Paving Company · Over-exertion in lifting objects

Employee was shoveling when EE felt pain in elbow area, muscle/forearm.

2018 · 1 incident

August 28, 2018 CO · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDTOOLS (NONPOWERED)
Asphalt Paving Company · Struck by... (Not Elsewhere Classified)

While working on cone crusher, employee was swinging sledge hammer, missed EE's target and hit EE's right pinky finger.

2017 · 1 incident

April 6, 2017 CO · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON
Asphalt Paving Company · Fall to the walkway or working surface

Climbing down ladder of equipment, as EE stepped to the ground EE stepped on a rock and lost footing and fell to the ground, landing on shoulder.

2016 · 1 incident

August 26, 2016 CO · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer HANDLING OF MATERIALS
Asphalt Paving Company · Caught in, under or between (Not Elsewhere Classified)

Employee was clearing debris from catwalk and reaching for a rock caught thumb between expanded metal decking and sheave.

2015 · 2 incidents

May 22, 2015 CO · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer MACHINERY
Asphalt Paving Company · Struck by flying object

Employee was five to six feet away from another employee who was using air hammer to remove bearing when a piece of metal flew off and hit employee between hard hat and safety glasses. Metal cut forehead and small piece was in the skin.

April 6, 2015 CO · Metal/Non-Metal crusher attendant/operator, pan feeder operator/worker HANDLING OF MATERIALS
Asphalt Paving Company · Over-exertion (Not Elsewhere Classified)

While completing maintenance on a VSI Crusher and changing teeth, the miner twisted to grab parts and sprained their lower back.

2014 · 1 incident

June 19, 2014 CO · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Asphalt Paving Company · Over-exertion (Not Elsewhere Classified)

While doing maintenance inside a screen, was cleaning side, holding in place while lying down. After 10-minutes he readjusted his position and straightened his leg and that is when he heard a crack. Was find day of with no pain but the next day it was hurting and swollen.

2013 · 1 incident

September 5, 2013 CO · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Asphalt Paving Company · Over-exertion in lifting objects

Employee changing wear parts on a rock crusher and trying to situate a hammer into a vertical shaft impact crusher when he felt a pop in his back. The next day (9-6-13) employee was replacing grease on the track shovel when his back began hurting much worse.

2011 · 1 incident

December 7, 2011 CO · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer HANDLING OF MATERIALS
Asphalt Paving Company · Over-exertion in lifting objects

EE was thawing out a catch pan for a water pump. When he reached down to pick up a steel plate out of the catch pan it was still frozen into the catch pan. As ee lifted he strained his lower back (Lumbar Strain and Sacrum Strain).

2009 · 1 incident

June 12, 2009 CO · Metal/Non-Metal scalper-screen operator SLIP OR FALL OF PERSON
Asphalt Paving Company · Fall onto or against objects

Taking nuts off of the bottom screen. Tripped on catwalk and motor, received a finger laceration on index finger.

2008 · 1 incident

August 11, 2008 CO · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer HANDLING OF MATERIALS
Asphalt Paving Company · Struck against stationary object

Hard hat fell off, bent over to pick it up and hit head on Safety Guard when he sat back up.

2007 · 3 incidents

June 18, 2007 CO · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Asphalt Paving Company · Over-exertion (Not Elsewhere Classified)

EE was changing screens on devise 6/18/07. Felt some pain but figured it would go away as it had in the past. Reported 6/25/07

March 15, 2007 CO · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman MACHINERY
Asphalt Paving Company · Struck by... (Not Elsewhere Classified)

Employee helping welder grind metal with handheld grinder. Employee wearing hard hat and safety glasses. Metal flecks in eyebrow. Employee rubbed eyelid with hand, some metal flecks fall into eye.

2005 · 2 incidents

July 8, 2005 CO · Metal/Non-Metal crane operator, mobile equipment operator (meo), dragline operator, dropball operator, rigger MACHINERY
Asphalt Paving Company · Struck by flying object

Employee operating Cat hoe with hydraulic breaker open at safety screen. A rock chip struck cheek resulting in a minor concussion.

March 28, 2005 CO · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman MACHINERY
Asphalt Paving Company · Struck by falling object

Employee cutting metal. His foot was under metal being cut.

2004 · 1 incident

December 8, 2004 CO · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDTOOLS (NONPOWERED)
Asphalt Paving Company · Over-exertion (Not Elsewhere Classified)

EMPLOYEE WAS HAMMERING. AFTER PASSAGE OF TIME HIS WRIST IS STARTING TO BOTHER HIM. RIGHT WRIST

2003 · 4 incidents

October 21, 2003 CO · Metal/Non-Metal truck driver SLIP OR FALL OF PERSON
Asphalt Paving Company · Fall onto or against objects

EE STANDING ON GROUND SEVERAL 4-5 INCH ROCKS ON GROUND FROM SURGE PILE NEXT TO WHERE EE STANDING. AS EE PULLED TO REMOVE RETURN ROLLER, FOOTING SLIPPED, LOST BALANCE RETURN ROLLER IN HAND WAS PULLED FORWARD AS EE FELL, ROLLER PINCHED LEFT THUMB.

May 29, 2003 CO · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman POWERED HAULAGE
Asphalt Paving Company · Contact with hot objects or substances

EE ENTERED AREA CLOSED.

March 6, 2003 CO · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Asphalt Paving Company · Struck against stationary object

EMPLOYEE KNEELING UNDER EQUIPMENT WHILE CHIPPING BUMPED HARD HAT ON CROSS PIECE.

January 21, 2003 CO · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator SLIP OR FALL OF PERSON
Asphalt Paving Company · Over-exertion (Not Elsewhere Classified)

EMPLOYEE BACKED DOWN LADDER. HIS HEAVY LUG BOOT SOLE CAUGHT WRUNG WRONG. SLIGHT OVER-EXTENTION OF LEFT KNEE. OK TO WORK - NO CRAWLING/CLIMBING.

2002 · 1 incident

August 5, 2002 CO · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman MACHINERY
Asphalt Paving Company · Struck by falling object

STRUCK BY SMALL ROCK BOUNCED BY CRUSHER WHILE OPERATING SKIDSTEER.

2001 · 2 incidents

November 20, 2001 CO · Metal/Non-Metal driver, jeep driver, tractor operator HANDLING OF MATERIALS
Asphalt Paving Company · Over-exertion (Not Elsewhere Classified)

EE WAS DESCENDING THE LADDER OF THE WATER WAGON WHEN HE PULLED MUSCLES IN HIS BACK. HE SAID IT HAPPENED PRIOR TO HIS STEPPING FOOT ON THE GROUND

July 30, 2001 CO · Metal/Non-Metal truck driver POWERED HAULAGE
Asphalt Paving Company · Struck against a moving object

EE WAS REACHING FOR HIS FOOD WHILE LEAVING THE LOADING AREA. HE FAILED TO TURN DOWN THE MAIN HAUL ROAD SINCE HE WAS STILL DISTRACTED BY HIS FOOD. HE CONTINUED ACROSS THE HAUL ROAD, OVER THE BE RM AND DOWN THE SIDE OF THE HILL. HE SUFFERED CONTUSIONS AND LACERATIONS. HE WAS HELD IN THE HOSPITAL FOR 3 DAYS BECAUSE OF DIZZINESS IN HIS HEAD AND FOR OBSERVATION.

2000 · 3 incidents

October 9, 2000 CO · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Asphalt Paving Company · Struck by... (Not Elsewhere Classified)

EE WAS PULLING OUT THE LAST SCREEN CLOTH ON THE BOTTOM DECK OF THE SECOND VIBRATING SHAKER WHEN HE CAUGHT HIS FINGER ON THE END OF SCREEN. HIS COWORKERS PULLED THE SCREEN WHICH THEN FELL AND S LICED OPEN THE TIP OF HIS RING FINGER ON HIS LEFT HAND.

April 4, 2000 CO · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer STRIKING OR BUMPING
Asphalt Paving Company · Struck against stationary object

EE WAS WALKING UNDER A GUARD ON A CONVEYOR WHEN HE HIT HIS HEAD ON THE GUARD. HE THEN FELL TO THE GROUND. ABOUT 3 WEEKS LATER HE WENT TO SEE HIS PHYSICIAN BECAUSE OF PAIN IN HIS HEAD & NECK.