Cement

MNM Fatality – 1/23/20

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An over-the-road truck driver was found unresponsive near his bulk trailer, where it appears he fell from the top of the trailer. The driver was taken to the hospital and underwent emergency surgery; however, he passed away from his injuries.

Best Practices: 

  1. Provide a means to align bulk trailers under truck racks to assure the ramp is aligned correctly with the trailer’s lids so that miners have safe access. Alignment methods can include painted lines, concrete barriers, cameras and monitors, or sensors to indicate proper positioning.
  2. Wear proper footwear that is clean and in good condition.
  3. Examine work areas and routinely monitor work habits to ensure that workers follow safe work procedures.
  4. Identify and control all hazards associated with the work to be performed.

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

2019 Fatality #23 / MNM #13

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A contract maintenance mechanic was performing elevator maintenance when the car descended, crushing the mechanic against an elevator platform. The person died at the scene on December 3, 2019.

Best Practices: 

  1. De-energize, lock out and tag out, and block machinery or equipment that can injure miners – before entering the area.
  2. Post warning signs or barricades to keep miners out of areas where health or safety hazards exist.
  3. Install an audible alarm to warn of impending equipment movement.
  4. Evaluate and correct possible hazards promptly before working.
  5. Train personnel in safely using handrails and fall protection equipment during maintenance and construction activities. Ensure their use.

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

Fatality #13 for Metal/Nonmetal Mining 2017

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On December 30, 2017, an employee in a pickup truck approached the quarry loadout area to get the Front End Loader (FEL) operator for lunch. The FEL backed into the pickup, pushing it sideways and crushing the driver’s side of the pickup cab, trapping the victim inside the truck. The pickup truck caught fire and efforts by the FEL operator and a nearby contractor to put the fire out using fire extinguishers were not successful.

Best Practices

  • When approaching large mobile equipment, do not proceed until you communicate and verify with the equipment operator your planned movement and location.  Provide radio communication systems between vehicles and large mobile equipment.
  • Ensure all persons are trained to recognize workplace hazards – specifically, the limited visibility and blind areas inherent to operation of large equipment and the hazard of mobile equipment traveling near them.
  • Ensure, by signal or other means, that all persons are clear before moving equipment.
  • Minimize situations where smaller vehicles need to approach large front end loaders.
  • Do not drive or park smaller vehicles in mobile equipment’s potential path of movement.
  • Equip smaller vehicles with flags or strobe lights positioned high enough to be seen from the cabs of haulage trucks.
  • Install and maintain proximity detection or collision avoidance/warning systems and cameras.

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

Fatality #9 for Metal/Nonmetal Mining 2017

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On September 20, 2017, a contractor was fatally injured while rappelling within a conditioning tower.  The victim was examining the inside of a 300’ vertical conditioning tower when an object fell from above and struck him in the head. The victim was conscious and transported to a local hospital where he died of his injuries the next day.

Best Practices

  • Remove all loose materials and other hazards before working.
  • Have fall protection and available and ready for use.
  • Check bin atmosphere for oxygen content, combustible gases, and toxic contaminants.
  • Provide adequate lighting.
  • Be sure the person entering the bin is trained in safe entry and confined space procedures.
  • Have standby personnel available to observe and to assist in an emergency.

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

Fatality #11 for Metal/Nonmetal Mining 2016

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m11On August 9, 2016, a 33 year old Leadman Contractor, with 4 years of experience, was killed at a cement plant loadout.  The victim was attempting to replace the lift cable pulleys on the barge loadout chute, when the anchor point for the temporary rigging separated from the loadout chute and it unexpectedly fell. The falling loadout chute caused the lift cables to tighten and the lift cables pinned the victim to the loadout chute causing fatal injuries.

Best Practices

  • 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 persons.  Consult and follow the manufacturer’s recommended safe work procedures for the maintenance task.
  • Task train all persons to recognize all potential hazardous conditions and to understand safe job procedures for elimination of the hazards before beginning work.
  • Examine work areas during the shift for hazards that may be created as a result of the work being performed.  Monitor persons routinely to determine safe work procedures are followed.
  • Conduct a complete pre-operational inspection of equipment that includes checking winches and cables.
  • 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.

Click here for: MSHA Preliminary Report (pdf), MSHA Investigation Report (pdf), Overview (pdf).

Fatality #6 for Metal/Nonmetal Mining 2016

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m06On May 10, 2016, a 46-year old maintenance man with 6 years of experience was fatally injured at a cement plant. The victim went to the top of the slurry tank to start the rake system. He fell 50 feet through a 3-foot by 4-foot opening in the walkway into the empty slurry tank below.

Best Practices

  • Protect openings near travelways by installing railings, barriers, or covers.
  • Ensure covers or railings protecting temporary access openings are secured in place at all times when an opening is not being used.
  • Provide readily visible warning signs that clearly display the nature of the hazard and any protective action required.
  • Wear fall protection where there is a danger of falling.
  • Establish and discuss safe work procedures. Identify and control all hazards to finish the job safely.
  • Train all persons, especially workplace examiners, to recognize and understand safe job procedures before beginning work. Communicate and correct hazards in a timely manner.

Click here for: MSHA Preliminary Report (pdf), MSHA Investigation Report (pdf), Overview (pdf).

Fatality #16 for Metal/Nonmetal Mining 2015

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m16On December 15, 2015, a 75-year old tow truck laborer was killed at a cement plant.  As the tow truck operator was lowering the truck’s boom it struck the victim. The victim suffered a severe head wound but was conscious when transported to a local hospital but later died of his injuries.

Best Practices

  • Position yourself only 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.
  • Establish communications between equipment operators and machine helpers.  Make sure those around you know your intentions.
  • Positively block machine parts (including hydraulic boom lifts) and suspended loads from motion prior to entering areas underneath them.
  • Ensure that persons are properly task trained regarding safe operating procedures before allowing them to operate mobile equipment and monitor work to ensure procedures are followed.
  • Ensure that all operating systems and safety features on mobile equipment are maintained and functional at all times.
  • Operate all machinery in accordance with manufacturers operating guidelines.
  • Wear all appropriate personal protective equipment.

Click here for: MSHA Preliminary Report (pdf), MSHA Investigation Report (pdf), Overview (pdf).

Fatality #26 for Metal/Nonmetal Mining 2014

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m26On June 17, 2014, Ronald Dwayne Dunn, Customer Truck Driver, age 41, parked his bulk tanker truck at a tanker top access platform, went to the top of the platform, and opened the bulk hatch on the trailer in preparation to get loaded with cement.  Another driver noticed the victim was not on top of the truck.  The driver found that the victim was inside the tank of the truck but could not get him out and called for help.  A responder team arrived and found the victim unresponsive.  He was transported to a hospital where he was pronounced dead.

On September 3, 2014, the Mine Safety and Health Administration (MSHA) referred the accident to the Chargeability Review Committee.  On February 2, 2015, the Chargeability Review Committee determined that this death should be charged to the mining industry.  The autopsy report indicated that the manner of death was accidental and that the cause of death was asthma exacerbated by environmental dust exposure. The toxicology screen detected levels of theophylline, the active ingredient in the asthma inhaler.  It appears Dunn may have accidentally dropped his asthma inhaler into the tank, proceeded to climb into the tank to retrieve it, and was unable to get out.

[SafeMiners.com note: We’re posting these much later, catching up from late notice and even later pictures from MSHA for the reasons noted above.]

Click here for: MSHA Preliminary Report (pdf), MSHA Investigation Report (pdf)

Fatality #20 for Metal/Nonmetal Mining 2014

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m20aOn October 10, 2014, a 66-year-old contract truck driver with approximately 11 years of experience was killed at a cement operation.  The driver was inside a loading rack closing the hatch on top of a bulk tanker truck.  When the victim raised the rack to access the hatch, he fell between the rack and rounded side of the truck and then fell to the ground.

Best Practices

  • Establish traffic patterns to ensure safe alignment of vehicles with access equipment.
  • Identify and control all hazards associated with the work to be performed and use methods to properly protect persons.
  • Ensure that persons are trained, including task-training, to address the hazards associated with the work being performed.
  • Always use fall protection when working where a fall hazard exists.
  • Always be aware of your surroundings and any hazards that may be present.

Click here for: MSHA Preliminary Report (pdf)

Fatality #16 for Metal/Nonmetal Mining 2014

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ftl2014m16On July 23, 2014, a 51-year-old contract truck driver with 30 years of experience was killed at a cement operation while delivering a load of fly ash. The victim exited the truck to remove the tarp. A front-end loader backed down a ramp and struck the victim, pinning him against the truck.

Best Practices

  • Task train all persons to stay clear of mobile equipment.
  • Be aware of the location and traffic patterns of mobile equipment in your work area.
  • Before moving mobile equipment, look in the direction of travel and use all mirrors and cameras to ensure no persons are in the intended path.
  • Sound the horn to warn persons of intended movement and give them time to move to a safe location.
  • Operate mobile equipment at reduced speeds in work areas.
  • Ensure that backup alarms and lights on mobile equipment are maintained and operational.
  • Remain in your truck when mobile equipment is being operated nearby.
  • Communicate with mobile equipment operators and ensure they acknowledge your presence.  Stay in the line of sight with mobile equipment operators.  Never assume the equipment operator sees you.
  • Before operating equipment, always ensure other persons are clear and safely positioned.

Click here for: MSHA Preliminary Report (pdf)