Michigan Aggregates Association

Safety Alerts

MSHA Close Call Accident Alert – Dozer

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 Safety Alert: Splicing Conveyor Belts

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

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

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

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

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

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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MSHA Fatalgram: Fall of Material

On July 20, 2017, a miner was driving wedges into a block of granite in an attempt to break it loose.  A piece of granite weighing 9 tons fell and crushed the victim against the quarry floor. Click here to view the full MSHA Fatalgram. This is the 6th fatality reported in calendar year 2017…

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