Serious Accident Alert: Miner pinned by material in gyratory crusher

Kerry Clines

February 1, 2018

The Mine Safety and Health Administration (MSHA) issued a Serious Accident Alert after a miner was pinned in a gyratory crusher. On October 22, 2017, a miner was working to clear a jammed primary crusher at a surface limestone mine. He was using an air hammer to break up a large rock, when another rock dislodged and slid down, pinning his feet. The miner was pinned for nearly an hour before being freed and transported to a nearby hospital for observation.

Mining Site

MSHA offers the following Best Practices to help prevent this type of accident:

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