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FATAL ACCIDENT NO. 2. Coal Mine Fatal Accident 2011-2. ACCIDENT REVIEW 2011. Operator: Manalapan Mining Mine : P1 Mine Accident Date: June 29, 2011 Classification : Rib Roll District: Harlan Mine Type: Underground Employment: 43.

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Coal Mine Fatal Accident 2011-2

ACCIDENT REVIEW 2011

Operator: Manalapan Mining

Mine: P1 Mine

Accident Date: June 29, 2011

Classification: Rib Roll

District: Harlan

Mine Type: Underground

Employment: 43

slide3

Coal Mine Fatal Accident 2011-2

  • On June 29, 2011, a 49-year old low structure attendant with 7 years mining experience was fatally injured while watching the electrical trailing cable of a mobile bridge unit.
  • The victim was watching for any problems that may have developed as the system was being retracted (backed up).
  • He was struck in the back by a section of dislodged rib rock, as he fell to the mine floor his head struck the metal frame of the bridge dolly, resulting in fatal injuries.

OVERVIEW

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CONDITIONS OR CIRCUMSTANCES THAT MAY HAVE CONTRIBUTED TO THIS ACCIDENT.

  • The increased mining height along with the rock parting between the two (2) coal seams created unstable rib conditions.
  • The work position of the low belt attendant (along the narrow side of the belt) placed him in close proximity to the unstable coal pillar (rib).

OVERVIEW

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Lo-Lo (belt structure)

Mobile Bridge Carrier

The victim was struck by a section of dislodged rib material

Dolly

The victim traveled along the low structure to the dolly area while watching the trailing cable

Mobile Bridge

Click to animate

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When excess mining height is encountered or created, rib bolts or some other means of supporting unstable ribs shall be provided.

  • The mobile bridge carriers shall be configured in a manner that positions the electrical trailing cable along the wide side of the belt.
  • Thorough examinations shall be conducted and unsafe conditions shall be corrected prior to work being conducted in the work area.

BEST PRACTICES

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