Michigan Aggregates Association

Safety Alerts


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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MSHA Fatalgram: Metal/ Nonmetal Mine Fatality – Small Vehicle Run over by Haul Truck

August 25, 2017

On July 27, 2017, a miner was fatally injured when his light-duty truck was run over by a haul truck. The victim was pronounced dead at the scene. Click here to view the full MSHA Fatalgram.

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MSHA Fatalgram: Fall of Material

August 18, 2017

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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METAL/NONMETAL – Serious Accident

August 10, 2017

Surface – Industry Sand – Two miners were attempting to access a plugged grizzly screen by excavating a slot cut trench when the trench walls collapsed, engulfing the miners. During an initial rescue attempt, the walls collapsed further, trapping two additional miners. The material was waist high on three of the miners and was over…

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MSHA Serious Accident Alert: Surface – Cement

May 26, 2017

A miner had just finished welding on the plant’s crusher and decided to jump from the next to the last step of a fixed ladder to reach the ground. When the victim hit the ground, he fell backwards and was impaled by a pry bar that was left standing upright on the ground. The victim…

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Worker Safety Law Alert: What You Need to Know to Avoid Enforcement Actions

March 31, 2017

Employers should remain on alert regarding the increasing trend towards more aggressive enforcement of worker safety standards demonstrated over the past year by the U.S. Occupational Safety and Health Administration (“OSHA”) and the U.S. Mine Safety and Health Administration (“MSHA”). Click here to read the entire article.

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Metal / Nonmetal Close Call Accident Alert

March 31, 2017

Surface – Sand – A dozer operator was backing up a hill when his ripper tooth went into the hood of a quarry foreman’s truck. The foreman was standing next to the truck prior to the accident and was not injured in the accident.   Click here to read the entire article.  

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