Underground

Fatality #12 for Metal/Nonmetal Mining 2009

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On June 20, 2009, a 52-year old equipment oiler/greaser with 24 years of experience was fatally injured at an underground salt mine. He was cleaning equipment when a large roof fall occurred.

Best Practices
  • When ground conditions create a hazard to persons, install effective ground support before other work is permitted in the affected area.
  • Design, install, and maintain a support system to control the ground in places where persons work or travel.
  • Examine and test ground conditions in areas where work is to be performed prior to work commencing and as ground conditions warrant during the shift.
  • Be alert to any change of ground conditions.
  • Identify and scale loose ground from a location which will not expose persons to falling material.

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

Fatality #11 for Metal/Nonmetal Mining 2009

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On June 11, 2009, a 57-year old mechanic with 31 years of experience was fatally injured at an underground lead/zinc mine while checking for a hydraulic leak on a loader. The victim leaned into the ejector plate relief port in the back of the loader bucket. The ejector plate of the bucket was retracted, crushing him against the back of the bucket.

Best Practices
  • Train persons to recognize work place hazards.
  • Establish safe work procedures before a task is performed.
  • Securely block equipment and components against hazardous motion at all times while performing maintenance work.
  • If equipment and components are to be moved, always verify persons are aware and in a safe location prior to movement.
  • Consult and follow the manufacturer's recommended safe work procedures for the maintenance task.

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