MNM Serious Accident Alert Underground - Roof Fall

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Underground Crushed & Broken Limestone Mine – A haul truck was being loaded at an underground mine when a significant portion of the immediate roof above the truck fell covering the top of the truck and an area behind the truck.  The truck driver received medical treatment.

Haul truck covered in large fallen rock
Best Practices: 
  • Establish safe work procedures that ensure a safe work location for miners conducting scaling operations, and train all miners to recognize and understand these procedures.
  • 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 miners.
  • Always examine and test areas for loose ground before starting to work, after blasting, and as ground conditions warrant.
  • Identify and scale loose material from a safe position which will not expose miners to falling material.
  • Test for loose material frequently during work activities. Be alert to any change of ground conditions.
  • Install ground support in roof and ribs where conditions warrant.