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Case study · MSHA Record #220245550002
Rotary Bucket Excavator Operator fatality
August 22, 2024 at 7:59 AM
Onyx Sterling Pit
· Onyx Corporation
· Worcester County, MA
Investigator narrative
A miner died when a highwall collapsed on the excavator the miner was operating.
Record details
- Classification
- FALL OF FACE/RIB/PILLAR/SIDE/HIGHWALL
- Accident type
- Caught in, under or between collapsing material or buildings
- Activity at time
- Power Shovel, Dragline
- Subunit / location
- STRIP, QUARY, OPEN PIT
- Underground location
- NO VALUE FOUND
- Mining method
- NO VALUE FOUND
- Source of injury
- CAVING ROCK,COAL,ORE,WSTE
- Nature of injury
- UNCLASSIFIED,NOT DETERMED
- Body part affected
- MULTIPLE PARTS (MORE THAN ONE MAJOR)
- Total mining experience
- 3 years
- Experience at this mine
- 1 year
- Experience in this job
- 15 years
- Mine type
- Surface
- Sector
- Metal/Non-Metal
Similar incidents in MSHA records
· same classification: FALL OF FACE/RIB/PILLAR/SIDE/HIGHWALL
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February 28, 2025 · Marfork Coal Company, LLC · WV · Bull Gang Foreman
EE had been jack hammering to set a water trap for seals and traded off with coworker to take a break went over to rib sat down when rib roll 68"L x 24" W x 8" T came off at spad #3002/7483 on EE striking EE in the chest and abdomen area.
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January 29, 2025 · Lexington Coal Company, LLC · WV · Drill Operator
The employee was drilling a test hole in the surface pit floor to see if the rider coal seam was under the seam they were taking. Due to the freezing and thawing of the highwall a large chunk of rock approximately 4'x2'x3' came down striking the enclosed cab of the mobile drill, ripping the cab off and striking the…
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November 13, 2023 · KaMin LLC · GA · Rotary Bucket Excavator Operator
Investigation is ongoing. *A miner died after being engulfed by a collapsing highwall.