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January 30, 2023 Fatality

Accident Classification: Slip or Fall of Person
Location: Randolph Deep Mine, Clay, Missouri
Mine Controller: Martin Marietta Materials Inc
Mine Type: Underground
Mined Material: Crushed Broken Limestone NEC
Incident Date/Time: January 30, 2023 05:19 pm

A miner died when he fell approximately 35 feet to the ground through a void in the walkway where a piece of grating had been removed.

The information provided in this notice is based on preliminary data ONLY and does not represent final determination regarding the nature of the incident or conclusions regarding the cause of the accident.


MINE FATALITY – On January 30, 2023, a miner died while troubleshooting a belt conveyor when he fell through a 37-inch-long by 34-inch-wide hole created by the removal of a section of grating.  The miner fell approximately 35 feet from the catwalk to the ground below.