Michigan Aggregates Association

Safety Alerts


MSHA Fatality Alert – Entanglement in Pulley

September 6, 2018

On August 22, 2018, a 29-year old miner with 1 year of experience was fatally injured while cleaning a snub pulley.  The victim was working from an aerial lift located under the belt conveyor when he became entangled in the conveyor pulley. Click here to view the full MSHA Fatality Report.  

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Safety Bulletin – Eaton Heavy Duty 30A and 60A Safety Switches

August 17, 2018

Eaton has identified a potential non-conformance with certain Eaton Heavy Duty 30A and 60A Safety Switches. The safety switch can potentially supply power when the handle is in the “off” position, subjecting the operator of the switch or any downstream equipment to risk of serious bodily injury or death.   Click here to read the…

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MSHA Close Call Accident Alert – Dozer

June 21, 2018

On May 21, 2018, a dozer operator was working on a waste pile when the soil beneath the dozer sloughed into the adjacent pond, causing the dozer to become submerged in the pond.  The dozer came to rest approximately 12 feet beneath the water’s surface.  Fellow miners were able to dig a trench and drain…

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MSHA Serious Accident Alert – Tire contractor injured while repairing flat tire on loader

April 30, 2018

A tire contractor was seriously injured when the front-end loader he was repairing fell on him.  The front -end loader had been lifted and placed on cribbing to repair a flat tire.  The contractor was underneath the loader adjusting one of the lifting jacks when the cribbing shifted causing the loader to fall.  The tire…

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MSHA Safety Alert: Splicing Conveyor Belts

April 13, 2018

The Mine Safety and Health Administration (MSHA) issued a Safety Alert: Splicing Conveyor Belts after four miners were fatally injured when performing work around conveyor belts in underground coal mines since Jan. 26, 2017. Two fatalities involved miners crossing the belt, and the third fatal occurred when a miner contacted a moving drive roller for…

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MSHA Serious Accident Alert – Miner Struck by Ladder

March 23, 2018

The Mine Safety and Health Administration (MSHA) issued a Serious Accident Alert after a ladder fell and hit a miner at a crushed stone operation. On March 7, 2018, a welder was installing a caged ladder on a screening deck when the ladder suddenly fell, striking his hard hat. While sitting down on the walkway…

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MSHA Serious Accident Alert – Conveyor

January 26, 2018

On December 15, 2017, a miner unbolted and lowered a point of contact guard exposing the moving conveyor rollers on one side of a stacking conveyor.  While standing on the blade of a bulldozer, the victim attempted to dislodge ice buildup and was pulled into the conveyor and sustained severe injuries. The conveyor had not…

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MSHA Close Call Accident Alert: Derrick Failure

December 13, 2017

On Monday, October 23, 2017, the boom of a Pellegrini stiff leg derrick failed while lifting a muck bucket. The crane operator and the foreman were in the operator’s station, or “crow’s nest,” on the edge of the high-wall. As the boom started to fail, they were able to run to safety before the operator’s…

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MSHA Serious Accident Alert: Electrical Shock

October 20, 2017

On October 11, 2017, a miner received an electrical shock while working in a 480-volt electrical control panel for a portable crusher without locking and tagging out the circuit. The injured miner was transported to a local hospital, treated, and released. Click here to view the full MSHA Serious Accident Alert.

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MSHA Guarding Machinery at Metal & Nonmetal Mines

September 22, 2017

As a reminder, providing proper guarding of machinery is required per MSHA regulations.  This guide provides compliance information to help the metal and nonmetal mining industry meet current requirements of the Mine Safety and Health Administration’s (MSHA’s) guarding standards addressing machinery.   This document is also intended to enhance awareness of guarding compliance for miners, mine…

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