Metal/Nonmetal

MNM Fatality – 8/21/20

renewcomerLeave a comment

On August 21, 2020, a (customer*) truck driver (at a Gilmore City, IA mine with 32 employees*) sustained fatal head injuries while he was deploying the automatic tarp on his fifth-wheel side-dump trailer.

Best Practices: 

  • Install and use constant pressure electrical switches to deploy/retract automatic trailer tarps.
  • Inspect and maintain tarping systems routinely to ensure tarping systems function properly.
  • Install signs warning of the hazard of standing near trailers while automatic tarps are deployed/retracted.
  • Train miners on proper tarping techniques to understand the hazards associated with the work being performed.

Additional Information: 

This is the sixth fatality classified as “Machinery” in 2020. (Fatal Alert posted by MSHA 11/30/20.* Italicized details added by safeminers.com)

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

MNM Fatality – 10/14/20

renewcomerLeave a comment

On October 14, 2020 (at a South Carolina mine with 49 employees*), a lead person (61 years old with 17 years experience*) was killed when his pickup truck was struck by a haul truck.

Best Practices: 

  • Install and maintain collision avoidance/warning systems.
  • Equip smaller vehicles with strobe lights and flags positioned high enough to be seen from the cabs of haulage trucks in all lighting conditions.
  • Establish and follow communication protocols that require verbal verification for all mobile equipment operators.
  • Design haul roads to minimize congested areas and maximize visibility.
  • Do not drive smaller vehicles in a large truck’s potential path.
  • Train miners on mobile traffic patterns and policies. Do not rely on training or other administrative controls alone to prevent powered haulage or other accidents.

Additional Information: 

This is the 20th fatality reported in 2020 and the fifth classified as “Powered Haulage.” (Italicized details added by safeminers.com)

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

MNM Fatality – 9/16/20

renewcomerLeave a comment

On September 16, 2020 (at a New Jersey mine with 9 miners and 3 contractors on site*), a truck driver (37 years old with 20 years experience*) attempted to adjust the brakes on his tri-axle truck while the engine was running, the automatic transmission was in drive and the parking brake was not set. The truck moved forward and fatally injured the victim.

Best Practices: 

  • Before exiting, place the transmission in park, set the parking brake, turn off the engine and activate the hazard warning lights.
  • Block equipment against motion and place high visibility cones or other flagging or signage to caution oncoming traffic before working on equipment.
  • Maintain equipment braking systems and repair and adjustment as necessary.
  • Conduct pre-operational examinations using qualified personnel to identify and repair defects that may affect the safe operation of equipment before it is placed into service.
  • Train miners on site-specific hazards.

Additional Information: 

This is the 17th fatality reported in 2020, and the third classified as “Powered Haulage.” (Italicized details added by safeminers.com)

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

MNM Fatality – 8/26/20

renewcomerLeave a comment

On August 26, 2020, two miners were preparing a mobile track mounted jaw crusher for shipping off-site (at a Washington mine with 2 employees*). The crusher was missing the upper wrist pin from the hydraulic cylinder that raises and lowers the right hopper extension. The right hopper extension was secured in place by wedges. The victim was removing wedges, and when a wedge was removed, the extension fell, crushing the victim (a 52 year-old crusher foreman with 23 years and 4 weeks experience*).

Best Practices: 

  • Block equipment against hazardous motion before dismantling equipment.
  • Follow manufacturers’ recommendations when dismantling equipment.
  • Conduct adequate workplace examinations and correct any defects affecting safety before dismantling equipment.
  • Establish and discuss safe work procedures before beginning work.
  • Stay clear of suspended loads and raised equipment.
  • Position yourself in a safe location and away from potential “red-zone” areas.
  • Use ladders or other means of safe access to perform maintenance.
  • Train miners to recognize potential hazardous conditions and understand safe job procedures.

Additional Information: 

This is the 14th fatality reported in 2020, and the fourth classified as “Machinery.” *(Italicized details added by safeminers.com)

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

MNM Fatality – 5/21/20

renewcomerLeave a comment

On May 21, 2020, two miners were working to hoist an electric motor from its base by anchoring a hoist to an overhead, unsecured steel pipe (at Missouri underground limestone mine with 51 employees*). The steel pipe slid out of place and struck one of the miners (60 year-old plant maintenance worker with 27 years and 9 weeks total mining experience*) in the head and back. The miner died on May 23, 2020, due to complications from his injuries.

Best Practices: 

  • Ensure load anchor locations are stable, substantial and adequate to support the load.
  • Establish and discuss safe work procedures before beginning work and ensure those procedures are followed.
  • Identify and control all hazards associated with the work to be performed and the methods to properly protect persons.
  • Follow the manufacturer’s recommended safe work procedures for the maintenance task.
  • Examine work areas for hazards that may be created as a result of the work being performed.
  • Position yourself in areas where you will not be exposed to hazards resulting from a sudden release of energy. Be aware of your location in relation to machine parts that can move.

Additional Information: 

This is the first fatality in 2020 classified as “Hand Tools.” *(Italicized details added by safeminers.com)

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

MNM Fatality – 9/1/20

renewcomerLeave a comment

On September 1, 2020, a miner (53 year-old plant helper in Texas with 2 years and 8 weeks of experience*) died when he fell while attempting to close a hatch on the top of a bulk material trailer (at an industrial sand plant with 20 employees). The miner was wearing a fall protection harness but his lanyard was not attached to a secure anchorage.

Best Practices: 

  • Encourage the use of automated hatches on tanks and trailers.
  • Provide and ensure the use of an effective fall arrest and secure anchorage system.
  • Provide safe access to all work areas and ensure truck and trailer access and work platforms are properly designed, maintained, and used.
  • Examine work areas and equipment. Don’t use unsafe work areas and equipment until repairs are made.
  • Refresh miner training on safe work procedures after returning from periods of shutdown, and routinely monitor work habits.

Additional Information: 

This is the 15th fatality reported in 2020, and the fourth classified as “Slip or Fall of Person.” *(Italicized details added by safeminers.com)

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

MNM Fatality – 8/18/20

renewcomerLeave a comment

On August 18, 2020, a miner (21 year-old laborer in California with one year and twelve weeks of experience*) was killed while attempting to clear a material blockage (at a sand and gravel mine with 20 employees*). The miner entered the cone crusher to begin work when the material shifted and engulfed him.  He was extracted from the crusher and taken to a hospital, where he died the next day.

Best Practices: 

  • Properly design chutes and crushers to prevent blockages. Install a heavy screen (grizzly) to control the size of material and prevent clogging.
  • Equip chutes with mechanical devices such as vibrating shakers or air cannons to loosen blockages, or provide other effective means of handling material, so miners are not exposed to entrapment hazards by falling or sliding material.
  • Establish and discuss policies and procedures for safely clearing crushers.
  • Train miners to recognize and safely remove all potential hazards before beginning work and when clearing blocked crushers.

Additional Information: 

This is the 13th fatality reported in 2020, and the second classified as “Fall of Material.”  – * (Italicized details added by safeminers.com)

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

MNM Fatality – 7/29/20

renewcomerLeave a comment

On July 29, 2020, a miner (63 year-old plant operator in Missouri with six years of experience*) was injured when his arm became entangled in a stacker conveyor belt (at a sand and gravel mine with three employees*). The victim was airlifted to a trauma center where he passed away a week later.

Best Practices: 

  • Turn off, lock out power sources and block against motion before removing or bypassing a guard or other safety device to clean, repair, perform maintenance or clear a blockage on a belt conveyor.
  • Never clean pulleys or idlers manually while belt conveyors are operating.
  • Avoid wearing loose-fitting clothing and keep tools, body parts and long hair away from moving belt conveyor components.
  • Train all personnel in safe work procedures.
  • Properly guard moving machine parts to protect persons from contact that could cause injury.

Additional Information: 

This is the 12th fatality reported in 2020, and the second classified as “Powered Haulage.” – * (Italicized details added by safeminers.com)

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

MNM Fatality – 7/24/20

renewcomerLeave a comment

On July 24, 2020, two miners were loading explosives from inside an aerial lift’s basket when the basket jolted upward into the mine roof, causing the death of one of the miners.

Best Practices: 

  • Check all equipment before using it. Report all defects affecting safety to a responsible person for correction.
  • Service and maintain hydraulic systems according to the manufacturer’s specifications and schedules. Excessive pressure in a hydraulic circuit can drastically alter the control of booms, etc., creating serious hazards.
  • Instruct aerial lift users on hazard recognition and safe job procedures to avoid unsafe conditions.
  • Train lift operators in safe operating procedures listed in the operator’s manual.
  • Report equipment malfunctions and remove the equipment from service until repaired.

Additional Information: 

This is the 12th fatality reported in 2020, and the third classified as “Machinery.”

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

MNM Fatality – 7/9/20

renewcomerLeave a comment

On July 9, 2020, a mine superintendent was electrocuted while attempting to reverse the polarity of a 4,160 VAC circuit by switching the leads inside an energized 4,160 VAC enclosure that contained a vacuum circuit breaker and disconnect.

Best Practices: 

  • Follow these steps before performing electrical work inside a high voltage enclosure:
    1. Locate the high voltage visual disconnect away from the enclosure that supplies incoming electrical power to the enclosure.
    2. Open the visual disconnect to provide visual evidence that the incoming power cable(s) or conductors have been de-energized.
    3. Lock-out and tag-out the visual disconnect yourself. Never rely on others to do this for you.
    4. Ground the de-energized conductors.
  • Verify circuits are de-energized using properly rated electrical meters and non-contact voltage testers.
  • Ensure properly qualified miners perform all work on high voltage equipment.
  • Wear properly rated and well maintained personal protective equipment, including arc flash protection such as a hood, gloves, shirt and pants.
  • Train miners on safe work practices for high voltage electrical equipment and circuits.

Additional Information: 

This is the 11th fatality reported in 2020, and the first classified as “electrical.”

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