Coal

Fatality #13 for Coal Mining 2014

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FTL14c13aOn Saturday, October 18, 2014, at approximately 10:05 p.m., a contractor truck driver with over 5 years of truck driving experience was killed while operating a rock truck. The driver was removing top soil ahead of the East Elk Pit when he drove off a highwall and fell approximately 240 feet.

Best Practices
  • Operate equipment in a manner that is consistent with conditions of roadways, grades, clearance, visibility, traffic, and the type of equipment used.
  • Standardize and post traffic rules, signals, and warning signs.
  • Provide and maintain adequate berms and other barriers that are at least mid-axle high on the banks of roadways where a drop off exists.
  • Train all employees on the equipment they operate, on safe job procedures, hazard recognition, and on hazard avoidance.
  • Maintain control of equipment at all times during operation.  Know the truck’s capabilities, operating ranges, load-limits, and safety features.
  • Monitor work activities and examine work areas to assure safe work practices are followed.
  • Monitor contract employees adequately at all job sites to ensure that safe work procedures are being followed.
  • Conduct pre-operational checks to identify and repair any defects that may affect the safe operation of equipment before it is placed into service.

Click here for: MSHA Preliminary Report (pdf)

Fatality #12 for Coal Mining 2014

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FTL14c12aOn Tuesday, October 7, 2014, a 31-year-old utility worker, with 13 years of mining experience, was killed after he crawled 37 feet into an entry mined with a highwall mining machine to retrieve a broken cutter-head-chain from the mining machine. A rock, 8 feet wide, 6 feet long, and 16 inches thick fell on him. He was initially transported to a local hospital and was being airlifted to a larger medical facility when he died.

Best Practices
  • Never go under unsupported roof.
  • Never enter a hole mined with a highwall mining machine or auger without a specific, detailed, and approved plan to do so.
  • Develop a plan to remotely retrieve any part of a highwall mining machine caught or left in an entry.  The plan must specify methods which do not expose miners to hazards.  Train all personnel in such plans.
  • Know and follow the provisions of the established Ground Control Plan.
  • Establish Ground Control Plans for highwall mining operations that ensure safety and address web spacing, depth of penetration, and confined work areas.
  • Keep all equipment in proper working order by establishing and implementing maintenance schedules.

Click here for: MSHA Preliminary Report (pdf)

Fatality #11 for Coal Mining 2014

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FTL14c11aOn Tuesday, September 16, 2014, a mobile equipment operator, with 10 years of mining experience, was killed while operating a mobile diesel can–setter.  He was stock piling pallets to prepare for the extraction of a longwall when he was crushed in the articulation area of the can-setter.
Best Practices

  • Do not position yourself in pinch-point areas while a piece of equipment is running.  Ensure that equipment operators remain in the confines of the equipment cab while the machine is running.
  • Never work or travel in the articulation area of equipment without engaging the steering frame lock or without using another effective means of preventing motion if the lock cannot be used.
  • Always preform thorough pre-operational examinations on mobile equipment to identify any defects that may affect the safe operation of equipment before it is placed into service.
  • Ensure that equipment modifications are either original equipment manufacturer (OEM) replacement parts or at least meet OEM specifications.
  • Ensure that equipment controls are maintained and function as designed.
  • Do not depend on hydraulic systems to hold mobile equipment stationary during repairs or maintenance.

Click here for: MSHA Preliminary Report (pdf)

Fatality #10 for Coal Mining 2014

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c14aOn Monday, September 15, 2014, a 53-year old bulldozer operator, with 28 years of experience, sustained fatal injuries when the bulldozer he was operating went over the edge of an approximately 50-foot highwall. The victim was preparing a bench for drilling when the accident occurred.
Best Practices

  • Be familiar with the work environment. Before beginning work, walk around and check the area. Plan the safest way to move the material and maneuver the equipment.
  • Train all employees adequately on the equipment they operate, safe work   procedures, hazard recognition, and hazard avoidance.
  • Be attentive to changes in ground conditions and visibility. Watch for surface cracks and loose material.
  • Keep the dozer blade between you and the edge when operating close to drop offs.  Dump loads short of the highwall edge and push one load into another to maintain a safe distance from the edge.
  • Maintain all equipment window glass clean and in good repair.
  • Maintain a safe distance from the edge of the highwall.  Use a spotter or other technology to assist equipment operators when working near highwalls.
  • Perform additional checks during the work shift to ensure ground conditions have not changed when the edge of a slope cannot be seen from the operator’s position
  • Ensure that personnel operating mobile equipment always wear a seat belt.
  • Monitor work activities to assure safe work procedures are followed.

Click here for: MSHA Preliminary Report (pdf)

Fatality #9 for Coal Mining 2014

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ftl2014c09On Wednesday, August 20, 2014, a 41-year-old maintenance supervisor with approximately 19 years of mining experience was killed when he came in contact with an energized component inside an explosion proof enclosure.  The victim had removed the enclosure’s panel cover and was troubleshooting or performing electrical work on the 600 VAC roof bolting machine when he was electrocuted.

Best Practices
  • Wear properly rated and well maintained electrical gloves when troubleshooting or testing energized circuits.
  • REMEMBER, troubleshooting or testing is the work of locating electrical problems and verifying that proper repairs have been made.
  • After locating the electrical problem, and before performing electrical work, open the circuit breaker, and disconnect and lock-out and tag-out the visual disconnecting device.
  • Use properly rated electrical meters and non-contact voltage testers to ensure electrical circuits are deenergized prior to performing electrical work.
  • REMEMBER, electrical work is the work required to install or maintain electrical equipment or conductors.
  • Perform your own lock-out and tag-out procedure and NEVER rely on others to do this for you.
  • Install warning labels on a circuit breaker’s line side terminals stating that the terminal lugs remain energized when the circuit breaker is open.
  • Develop, communicate, and execute a written plan before performing electrical troubleshooting and repair to ensure that safety is maximized for all miners involved in the task.

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

Fatality #8 for Coal Mining 2014

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ftl2014c08On Monday, June 23, 2014, at approximately 7:35 p.m., a 58–year-old truck driver, with 5 years of mining experience, was killed when the haul truck he was operating traveled through a berm and descended approximately 75 feet into a spoil “V.”

Best Practices
  • Maintain control of equipment at all times during operation.
  • Ensure seat belts are provided, maintained, and worn at all times when equipment is in operation.  Incorporate engineering controls that require seat belts to be properly fastened before equipment can be put into motion.
  • Conduct pre-operational checks to identify and fix any defects that may affect the safe operation of equipment before it is placed into service.
  • Know the truck’s capabilities, operating ranges, load limits and safety features.
  • Provide and maintain adequate berms on the banks of roadways where a drop-off exists.
  • Ensure all grades and haulage roads are appropriate for the haulage equipment being used.
  • Train miners to understand the hazards associated with the work being performed.
  • Monitor work habits routinely and examine work areas to ensure that safe work procedures are being followed.

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

Fatality #7 for Coal Mining 2014

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ftl2014c07On Wednesday, June 4, 2014, a 25-year-old contract equipment operator with 24 weeks of experience was killed when he was crushed between the hood and frame of an impact crusher.  The victim had just finished clearing a large rock from the crusher area when the accident occurred.

Best Practices
  • Establish policies and procedures for safely clearing plugged material in a feeder hopper or crusher.
  • Consult and follow the manufacturer’s recommended safe work procedures for conducting the task.
  • Ensure that persons are task trained and understand the hazards associated with the work being performed.
  • De-energize and lock-out/tag-out all power sources before working on equipment.
  • Ensure moving parts on machinery are blocked against motion before beginning maintenance or repairs.
  • Ensure that blocking material is competent, substantial, and adequate to support and stabilize the load.
  • Maintain equipment in safe working condition.  Ensure safety devices are working properly.
  • Do not place yourself in a position that will expose you to hazards.
  • Monitor all personnel, with an emphasis on miners new to a task, routinely to determine that safe work procedures are followed.

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

Fatality #6 for Coal Mining 2014

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ftl2014c06On Wednesday, May 14, 2014, a 25-year-old roof bolter operator with 1 year and 44 weeks mining experience was killed when he was pinned between a roof-bolting machine and the coal rib. The victim and another roof bolter operator were in the process of tramming the roof-bolting machine in the outby direction in the No. 3 entry on the No. 1 Longwall Tailgate. They had trammed the roof bolting machine from the 151 crosscut to approximately the 89 ½ crosscut when the accident occurred. The victim was found on the left side of the roof-bolting machine between the machine and the coal rib.

Best Practices
  • Ensure everyone, including the equipment operator, is outside the machine-turning radius before starting or moving equipment.
  • Walk behind moving mobile equipment when traveling in the same entry and maintain a safe distance between yourself and any equipment that is moving.
  • Never position yourself in an area or location where equipment operators cannot readily see you.
  • Develop policies and procedures for starting and tramming self-propelled equipment.  Train all miners that would be exposed to the hazards.
  • When moving self-propelled machines where the left and right traction drives are operated independently, low tram speed should be used.
  • Never defeat any of the machine controls.  Ensure that all operating devices function as designed.
  • Install and maintain proximity detection systems to protect personnel and eliminate accidents of this type. See the proximity detection single source page on the MSHA website.

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

Fatality #4 & #5 for Coal Mining 2014

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ftl2014c0405On Monday, May 12, 2014, a 48-year-old continuous mining machine operator with 26 years of mining experience, and a 46-year-old mobile roof support operator/roof bolter with 3½ years of mining experience, were fatally injured as a result of a coal rib burst. The section crew was retreat mining in the #6 entry of the 4 East Mains Panel. They were mining the second lift of the left pillar block when the accident occurred.

Best Practices
  • Conduct frequent and thorough examinations of the roof, face, and ribs.  Be alert for changing conditions.  When hazardous conditions are detected, danger off access to the area until it is made safe for work and travel.
  • Ensure that the approved roof control plan support provisions are suitable for the geological conditions at the mine and that the plan is followed.
  • Train all miners in the requirements of the approved roof control plan and instruct miners to follow the plan at all times.
  • Ensure that the pillar dimensions and the mining method are suitable for the conditions, and that roof and rib control methods are adequate for the depth of cover.  Consider the potential effects of any mines above or below the active workings.
  • Develop a map of geological features and unusual conditions in order to develop the best mining plan that addresses the potentially adverse roof and rib conditions that may be present.

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

Fatality #3 for Coal Mining 2014

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ftl2014c03On Tuesday, March 25, 2014, at approximately 1:45 a.m., a 41-year-old mechanic trainee with 23 weeks of mining experience was killed while working on a belt feeder. The victim was cutting through the inner left side plate of the crawler assembly that connects the hopper jack assemblies to the crawler frame. When the cut was completed, the crawler assembly pivoted upward, pinning the victim between the crawler track and the frame of the feeder.

Best Practices
  • Ensure that all stored energy is released or controlled before initiating repairs.
  • Securely block equipment against all hazardous motion at all times while performing maintenance work. Take extra precautions if it is possible for the equipment to move in multiple directions.
  • Always be aware of your location in relation to machine parts that can move.  Examine work areas for hazards that may be created as a result of the work being performed.
  • Establish and discuss safe work procedures before beginning work.  Identify and control all hazards associated with the work to be performed to ensure miners are protected.
  • Study the manufacturer’s maintenance manual for safety precautions and recommended blocking securing procedures BEFORE initiating repairs.
  • If specified, always use the manufacturer’s safety device(s) or features for securing components against motion.
  • See additional information on blocking against motion here.

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