Metal/Nonmetal

MNM Fatality – 11/13/23

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On November 13, 2023, a pit wall collapsed engulfing an excavator operator while he was outside of the excavator.

Best Practices

  • Use appropriate mining methods when the material is steeper than its angle of repose.
       o    Install appropriate benches and trenches when necessary.
       o    Scale highwalls to eliminate hazards, e.g., steep slopes or overhangs.
  • Establish and discuss safe work procedures before beginning work. Identify and control all hazards associated with the work to be performed and the methods to properly protect miners.
  • Train miners to assess risks and hazards and correct or barricade hazards to prevent access before beginning work activities.

Additional Information

This is the 37th fatality reported in 2023, and the first classified as “Fall of Face, Rib, Side or Highwall.”

Click here for: Preliminary Report (pdf), Final Report (pdf).

MNM Fatality – 11/13/23

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On November 13, 2023, a rotating drill steel of a roof bolting machine entangled a miner, causing fatal injuries.

Best Practices

  • Always follow manufacturer recommendations when conducting maintenance on equipment, including:
    • Turn off or de-energize the machine.
    • Secure the equipment against hazardous motion.
  • Never touch or hold the drill steel, wrench, or bolt while it is rotating.
  • Do not wear loose-fitting or bulky clothing when working around any machinery with rotating parts.

Additional Information

This is the 36th fatality reported in 2023, and the 14th classified as “Machinery.”

Click here for: Preliminary Report (pdf), Final Report (pdf).

MNM Fatality – 9/8/23

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On September 8, 2023, a miner died after entering a hopper to clear an obstruction.  A front-end loader dumped two loads of crushed limestone into the hopper with the miner inside.

Best Practices

  • Install barricades to prevent mobile equipment access to bins and hoppers when miners are working in them.
  • Establish and train miners on procedures for safely clearing bins and hoppers.
  • Lock-out and tag-out the supply and discharge equipment before entering bins and hoppers. 
  • Wear a safety belt or harness equipped with a lifeline in a confined space.
  • Equip bins and hoppers with vibrating shakers or air cannons to prevent material blockages.

Additional Information

This is the 31st fatality reported in 2023, and the seventh classified as “Powered Haulage.”

Click here for: Preliminary Report (pdf), Final Report (pdf).

MNM Fatality – 9/17/23

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On September 17, 2023, contractor driller helper died while driving a service truck to transport a rod handler on the bed.  The service truck left the road, overturned, and the driver was ejected.  The passenger, who was wearing his seat belt, was injured, treated and released from the hospital.

Best Practices

  • Wear seat belts when operating mobile equipment.
  • Conduct pre-operational inspections and correct any safety defects before operating mobile equipment.
  • Maintain control of equipment. 
  • Operate mobile equipment at speeds consistent with the conditions of roadways, tracks, grades, clearance, visibility, curves, and traffic.

Additional Information

This is the 33rd fatality reported in 2023, and the ninth classified as “Powered Haulage.”

Click here for: Preliminary Report (pdf).

Delisted by MSHA after Investigation revealed accident did not occur within MSHA’s jurisdiction.

MNM Fatality – 9/12/23

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On September 12, 2023, a haul truck operator died after his haul truck backed through the berm at a dump point and became submerged in a pond.

Best Practices

  • Construct substantial berms or similar impeding devices at dumping locations where there is a hazard of overtravel or overturning.
  • Do not travel into or onto berms. 
  • Dump material from a safe location and push the material over the edge with a bulldozer.
  • Conduct workplace and ground condition examinations before work begins.
  • Mark dump locations with reflectors, signage, or other indicators.

Additional Information

This is the 32nd fatality reported in 2023, and the eighth classified as “Powered Haulage.”

Click here for: Preliminary Report (pdf), Final Report (pdf).

MNM Fatality – 8/21/23

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On August 21, 2023 a crusher lid that was being moved into place struck a miner when the rigging broke. The miner died from his injuries on August 23, 2023.

Best Practices

  • Do not work under suspended loads.
  • Use properly rated lifting equipment and ensure that the load is well secured.
  • Attach tag lines to suspended loads to steady or guide the load.
  • Communicate lift plans to all persons working in the lift zone. Follow manufacturer’s recommended work procedures.

Additional Information

This is the 28th fatality reported in 2023, and the twelfth classified as “Machinery.”

Click here for: Preliminary Report (pdf), Final Report (pdf).

MNM Fatality – 8/24/23

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On August 24, 2023, a miner died while preparing a wash plant for relocation. In the process of lowering the feed box into the travel position, the miner was pinned between the feed box and the handrail.

Best Practices

  • Block machinery components against motion before beginning maintenance or repairs.
  • Do not work under suspended loads.
  • When conducting a non-routine task, review safe procedures before starting work and ensure all safety components are in place and working.

Additional Information

This is the 29th fatality reported in 2023, and the 13th classified as “Machinery.”

Click here for: Preliminary Report (pdf), Final Report (pdf).

MNM Fatality – 8/5/23

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On August 5, 2023, a customer truck driver fell from a large container mounted on the trailer of his truck. After opening the container lid, the driver slipped while descending the container.  The driver died from his injuries on August 7, 2023.

Best Practices

  • Provide fall protection or safe means of access to miners, contractors, and customers who need to gain access to containers or tankers if there is danger of falling.
  • Ensure miners, contractors, and customers wear proper slip resistant footwear and use three points of contact when accessing elevated surfaces.
  • Provide site-specific hazard awareness training to customers, including commercial over-the-road truck drivers.

Additional Information

This is the 27th fatality reported in 2023, and the third classified as “Slip or Fall of Person.”

Click here for: Preliminary Report (pdf), Final Report (pdf).

MNM Fatality – 7/17/23

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On July 17, 2023, a miner died while performing repairs on a gyratory crusher. When a component was being suspended by a crane, a lifting eye welded to the component broke free striking the miner.

Best Practices

  • Ensure that all miners stay clear of stored energy while performing repairs. 
  • A certified welder should weld any lifting eye and ensure the welding rod is suitable for the materials joined together. 
  • Examine lifting equipment and connection points for cracks or deformation prior to lifting. 
  • Use low energy ropes and straps to minimize rebound effects when objects break. 

Additional Information

This is the 25th fatality reported in 2023, and the 11th classified as “Machinery.” It was delisted by MSHA on 5/22/24 over jurisdiction issues.

Click here for: Preliminary Report (pdf), Final Report (pdf).

MNM Fatality – 8/5/23

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On August 5, 2023, a piece of granite fell, striking two miners, killing one and seriously injuring the other.

Best Practices

  • Examine work areas to identify loose ground or unstable conditions before work begins and as conditions change.  Report hazards and do not work in unsafe conditions.
  • Correct unsafe conditions or barricade areas to prevent access before beginning work.
  • Consider mining methods that do not require miners to work or travel near the base of a highwall.

Additional Information

This is the 26th fatality reported in 2023, and the second classified as “Falling, Rolling, or Sliding Rock or Material of Any Kind.”

Click here for: Preliminary Report (pdf), Final Report (pdf).