Fatality #14 for Metal/Nonmetal Mining 2012

On September 26, 2012, a 79-year old foreman with 56 years of experience was killed when he was run over by the dozer he had been operating. The victim exited the cab and was positioned on the left track checking the engine throttle linkage when the dozer moved forward.

Best Practices
 

  • Inspect equipment before placing it in operation for the shift.
  • Correct safety and operational defects on equipment in a timely manner to prevent the creation of a hazard to persons.
  • Establish safe work procedures and identify and remove hazards before beginning a task.
  • Prior to beginning work, ensure that persons are task-trained and understand the hazards associated with the work being performed. Know and follow safe work procedures before beginning repairs.
  • Block dozer against motion by lowering the blade and ripper to the ground and setting the parking brake. Set the transmission lock lever to ensure the transmission is in neutral.
  • Do not place yourself in a position that will expose you to hazards while performing a task.
  • Monitor personnel routinely to determine that safe work procedures are followed.

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

Fatality #13 for Metal/Nonmetal Mining 2012

On September 22, 2012, a 34-year old contract laborer with 6 days of experience was killed when he fell through a 6 ft. X 8 ft. hole that was partially covered with 2″ X 4″ boards and ¾ ” thick plywood. He fell into a chute landing on a belt conveyor 30 feet below. The victim was assigned fire watch duties on a welding/cutting operation that was taking place on the floor above him.

Best Practices
 

  • Establish and discuss safe work procedures. Identify and control all hazards. Train all persons to recognize and understand safe job procedures before beginning work.
  • Always use fall protection when working where a fall hazard exists.
  • Protect openings near travelways through which persons may fall by installing appropriately designed railings, barriers, or covers.
  • Keep temporary access opening covers secured in place at all times when the opening is not being used. Replace deteriorated floor plating and grating.
  • Ensure that areas are barricaded or have warning signs posted at all approaches if hazards exist that are not immediately obvious.

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

Fatality #12 for Metal/Nonmetal Mining 2012

On August 17, 2012, a 58-year old equipment operator with 19 years of experience was killed at a cement operation. The victim was working on the roof of a 189-foot tall silo when the roof collapsed. Rescuers responded immediately and recovered the victim on September 4, 2012.

Best Practices
 

  • Routinely inspect the entire silo including walls, top, hopper(s), feeders, conveying equipment, liner, roof vents, etc. Look for structural damage, exposed rebar, stress cracks, corrosion, concrete spalling/cracking, signs of overfilling, top lifts, dust spills from seams during loading, damage to climbing devices, etc. The structure should be inspected by a professional engineer knowledgeable in silo design and construction.
  • Ensure a competent person conducts examinations to identify hazards.
  • If damage is discovered, prohibit use of and access on the silo and in the surrounding area until repairs are complete and/or a registered professional engineer has declared it structurally safe to use.
  • Modifications or equipment additions to a silo should be under the direction of a professional engineer.
  • Ensure process controls and dust collector baghouses are in working order to prevent overpressure, overfilling, or excessive vacuum. Dust leaving a silo may indicate structural damage or equipment malfunction.
  • Ensure aeration systems and other means of enhancing hopper flow are in working order so asymmetric flow patterns do not develop within the silo and damage the walls, hopper, and roof.
  • Provide silo level probes/weight measuring technology for /equipment to monitor silo material filling and discharge in the silo and keep it in working order.

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

Fatality #10 for Metal/Nonmetal Mining 2012

On July 26, 2012, a 49-year old equipment operator with 18 weeks of mining experience was killed at a portable crushing operation. He was standing on the discharge end of a 150-foot stacker belt conveyor, greasing the head pulley, when a coworker started the conveyor. The victim fell off the conveyor approximately 50 feet to the ground below.

Best Practices
 

  • Provide and maintain a safe means of access to all working places.
  • Establish policies and procedures for conducting specific tasks on belt conveyors.
  • Ensure that persons are task trained and understand the hazards associated with the work being performed.
  • Deenergize and Lock-out/tag-out all power sources before working on belt conveyors.
  • Block belt conveyors against motion before working near a drive, head, tail, and take-up pulleys.
  • Maintain communications with all persons performing the task. Before starting belt conveyors, ensure that all persons are clear.
  • Sound an audible alarm prior to start up, if the entire length of the belt conveyor is not visible from the starting switch.
  • Clearly label all switches on equipment and provide training to persons who operate and work in the vicinity of equipment.

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

Fatality #9 for Metal/Nonmetal Mining 2012

On June 21, 2012, a 49-year old customer truck driver with no mining experience was killed at a surface stone mine. He was driving a loaded dump truck, traveling down a grade, when the truck lost its brakes and went out of control. The victim jumped out and the truck ran over him. A passenger in the truck also jumped out and was treated at a hospital and released.

  • Ensure that mobile equipment operators are task trained adequately and demonstrate proficiency in all phases of mobile equipment operation before performing work.
  • Maintain equipment braking systems in good repair and adjustment.
  • Conduct adequate pre-operational checks to ensure the service brakes will stop and hold the mobile equipment prior to operating.
  • Know the truck’s capabilities, operating ranges, load-limits and safety features.
  • Operators of self-propelled mobile equipment shall maintain control of the equipment while it is in motion.
  • Operating speeds shall be consistent with conditions of roadways, tracks, grades, clearance, visibility, curves, and traffic.
  • Slow down or shift to a lower gear when necessary. Post areas where lower speeds are warranted.
  • Always wear a seat belt when operating self-propelled mobile equipment.
  • Do not attempt to exit or jump from moving mobile equipment.
  • Provide adequate site specific hazard training to all customer truck drivers.

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

Fatality #11 for Coal Mining 2012

On Saturday, July 14, 2012, a 25-year old water truck driver with 31 weeks of experience was killed at a surface mine. The victim was driving a water truck down a grade in an active work area of the mine when he lost control of the truck. The truck struck a berm on the right side of the roadway, traveled across the roadway, struck an embankment on the left side of the roadway and overturned, ending up facing opposite the original direction of travel. The victim was found ejected from the truck.

  • Train all employees thoroughly on proper work procedures, hazard recognition and avoidance, and proper use of roadway berms.
  • Conduct pre-operational checks to identify defects that may affect the safe operation of equipment before being placed into service.
  • Never operate a truck or other mobile equipment without using a seat belt.
  • Know the truck’s capabilities, operating ranges, load-limits, and maintain the brakes and other safety features properly.
  • Construct roadway berms to appropriate strengths and geometries. Ensure all grades and haulage roads are appropriate for the haulage equipment being used.
  • Maintain control of equipment at all times, making allowances for the prevailing conditions (low visibility, inclement weather, etc).
  • Observe all speed limits, traffic rules, and ensure that grades on haulage roads are appropriate for haulage equipment being used.
  • Always select the proper gear and downshift well in advance of descending the grade.
  • Maintain equipment braking and steering systems in good repair and adjustment. Never rely on engine brakes and transmission retarders as substitutes for keeping brakes properly maintained.
  • Monitor work habits routinely and examine work areas to ensure that safe work procedures are followed.
  • Do not attempt to exit or jump from a moving vehicle .

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

Fatality #8 for Metal/Nonmetal Mining 2012

On May 28, 2012, a 51-year old shift operator with 13 years of experience was killed at a cement operation. The victim was found near the plant’s crane bay building after being struck by a front-end loader. He was walking from the lunchroom toward the locker area.

Best Practices

  • Train all persons to stay clear of mobile equipment.
  • Be aware of the location and traffic patterns of mobile equipment in your work area.
  • Wear high visibility clothing when working around mobile equipment.
  • 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 the mobile equipment at reduced speeds in work areas.
  • Ensure that backup alarms and lights on mobile equipment are maintained and operational.
  • Post signs to warn persons in areas where mobile equipment travel.
Click here for: MSHA Preliminary Report (pdf), MSHA Investigation Report (pdf), Overview (powerpoint), Overview (pdf).

Fatality #7 for Metal/Nonmetal Mining 2012

On May 23, 2012, a 36 year-old foreman with about 9½ years of experience was killed at a sand and gravel operation. He was operating an excavator on a dike separating two ponds. The ground beneath the excavator tracks failed and the excavator toppled into one of the ponds.

Best Practices

  • Examine work areas to identify all hazards and remediate before starting any work.
  • Evaluate the stability of the ground (slopes and berms) prior to operating equipment near any drop off or edge.
  • Always be attentive to changes in ground conditions and visibility when operating machinery.
  • Perform the work at a safe distance away from the edge of a pond or where the stability of the ground may be unknown.
  • If a potential hazard is present, use long reach equipment to limit exposure and maintain a safe distance away.
  • Consider areas that have experienced previous slope failures to be unstable and do not approach until the area is evaluated for stability.
  • Wear flotation devices where there is a danger of falling into water.
  • Be alert to changes in ground conditions such as cracking, bulging, sloughing, undercutting, and erosion.
Click here for: MSHA Preliminary Report (pdf), MSHA Investigation Report (pdf), Overview (powerpoint), Overview (pdf).

Fatality #8 for Coal Mining 2012

On Thursday, May 17, 2012, at approximately 12:00 p.m., a 57-year-old mechanic was killed at a coal preparation plant. The victim was standing on a 14-foot fiberglass extension ladder when it became unstable and slid across an I-beam. He fell down an adjacent hoist well opening 39 feet to the concrete floor below. He was attempting to cut and remove a 12-inch hoist beam located above the third floor in the plant.

Best Practices

  • Use fall protection when working in an elevated position and securely tie-off where the danger of falling exists.
  • Ensure all workers are adequately trained in the use of fall protection and restraint devices.
  • Examine fall protection equipment and personal protective equipment before each use. Ensure that defective equipment is replaced.
  • Use a ladder only on a stable and level surface, unless it has been secured (top or bottom) to prevent displacement.
  • Properly position ladders to ensure that footing is secure, that the ladder is resting in a manner that prevents movement, and that the ladder is protected from being struck by moving objects.
  • Keep your body centered between the rails of the ladder at all times. Do not lean too far to the side while working.
Click here for: MSHA Preliminary Report (pdf),  MSHA Investigation Report (pdf).

Fatality #5 for Metal/Nonmetal Mining 2012

On April 11, 2012, a 49 year-old excavator operator with approximately 8½ years of experience was injured at a sand and gravel operation. The victim was removing bolts from a counterweight on the back of an excavator when the counterweight fell and struck him. He was hospitalized and died on April 12, 2012, as a result of his injuries.

Best Practices

  • Before working on or near equipment, establish safe work procedures consistent with the design of the machine. Train all persons to recognize and understand these procedures.
  • Follow the equipment manufacturer’s procedures for the work being performed to ensure that all hazards are addressed.
  • Provide adequate task training to persons assigned to perform the work. Utilize assistance from the manufacturer when the equipment incorporates new technology and features.
  • Install blocking materials before removing mounting bolts from machinery components which can fall during disassembly.
Click here for: MSHA Preliminary Report (pdf), MSHA Investigation Report (pdf), Overview (powerpoint), Overview (pdf).