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Highwall Mining: Maximizing Reserves with Efficient Equipment and Effective Management

Explore the highwall mining method and how it maximizes coal reserves by utilizing specialized equipment and strategic management. Understand the challenges, benefits, and safety considerations associated with highwall mining.

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Highwall Mining: Maximizing Reserves with Efficient Equipment and Effective Management

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Presentation Transcript

  1. HIGHWALLING Insert Product Photograph Here

  2. Mgmt Skills Communication Reserves Equipment The Highwall Puzzle Pieces People

  3. People Miner Operator 1 Endloader Operator 1 Mechanic 1 Electrician 1 General Laborer 3 Foreman 1 Total 8

  4. People • Labor shortage • Two – twelve hours shifts / day • Operate 4 – 6 days per week • Maintenance 1 day per week • Geographic locations change often • Exposed to nature’s elements • Perceived as a short term job

  5. Reserves • Seam heights 2.5 – 28 ft • Sustain a 1-3 year project • 40,000 – 200,000 tpm • Best if not previously auger mined • Competent roof or ability to leave head coal • Mine bottom up

  6. Equipment Spread • Modified Continuous Miner • Cascading Conveyor Cars • Launch Vehicle • Stacker - 54 inch belt • Bulldozer - pushing coal • 2 Endloaders – loading & unloading cars & loading trucks • Water Storage Tank

  7. Communication • Real time info in the cab • Web based storage • Real time communication with home office (under development)

  8. Communication • Real time info in the cab • Web based storage • Real time communication with home office (under development)

  9. Communication • Real time info in the cab • Web based storage • Real time communication with home office (under development)

  10. Management Skills • Long term mine planning • Synchronization of equipment • Synchronization of qualities/ markets • Keeping available wall

  11. Longwall/Highwall Similarities • Sole purpose is to cut coal • Initial reluctance to rely on the technology • Typically the lowest cost coal from a mining complex • Keeping gate roads ahead is as challenging as keeping wall available

  12. Safety Mining Method NFDL Rate ADDCAR 0.00 Surface Mining 1.59 Underground Mining 5.72 ( 3rd Qt 2005 - YTD)

  13. Productivity Mining MethodTPEH Western Surface Mines 22.1 ADDCAR 18.3 Longwall Mines 5.0 Eastern Surface Mines 4.2 Non-Longwall Underground Mines 3.4 ( 3rd Qt 2005 - YTD)

  14. Narrow Pit System • Footprint reduced from 90 – 45 ft • Continuous coal flow • Fewer fines • Horizontal & vertical guidance • 1,200 ft penetration • Purchase – lease – contract mine

  15. ADDCAR Advantages • Cascading cars • Navigational System • Volume

  16. Conclusion If you keep wall …. you experience this

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