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Case study · MSHA Record #220230390014
Maintenance Man fatality
January 30, 2023 at 5:19 PM
Randolph Deep Mine
· Martin Marietta Kansas City, LLC
· Clay County, MO
Investigator narrative
An employee was fatally injured when they fell from an opening in an elevated catwalk.
Record details
- Classification
- SLIP OR FALL OF PERSON
- Accident type
- Fall from scaffolds, walkways, platforms
- Activity at time
- Machine Maintenance
- Subunit / location
- MILL OPERATION/PREPARATION PLANT
- Underground location
- NO VALUE FOUND
- Mining method
- NO VALUE FOUND
- Source of injury
- GROUND
- Nature of injury
- UNCLASSIFIED,NOT DETERMED
- Body part affected
- MULTIPLE PARTS (MORE THAN ONE MAJOR)
- Total mining experience
- 10 years
- Experience at this mine
- 0 years
- Experience in this job
- 0 years
- Mine type
- Underground
- Sector
- Metal/Non-Metal
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· same classification: SLIP OR FALL OF PERSON
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March 28, 2026 · Alpine Silica, LLC · TX · Steel Worker
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October 16, 2025 · MLC · MO · Laborer
Employee was performing cleaning and maintenance. They began work around 7 pm and was discovered by coworkers on the ground below the area of work. It is believed they fell.