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Status of WV Rules and Technology Options

Provide an alternative to barricading for miners who have tried to escape and couldn't - shelter is the last resort. Explore structural and life-support requirements for escape shelters. Address communication challenges and ensure redundancy for enhanced coverage.

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Status of WV Rules and Technology Options

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  1. Status ofWV RulesandTechnologyOptions Randall Harris W. Va. Office of Miners’ Health Safety and Training April 25, 2007 ARC Lexington Meeting 1

  2. Carbon Monoxide Kills ESCAPE !

  3. WV §56-4 • Provide an alternative to barricading for miners who have tried to escape and couldn't – SHELTER IS LAST RESORT • Within 1,000 feet of working face • Provide life-support for maximum likely number of miners on section • Currently approved 6 models from 5 companies with two more in review • Shelter Plans due 4-16-2007

  4. Structural Requirements 15 PSI Overpressure 300ºF Flash Fire 4

  5. Life-Support Requirements Asked for Minimum 48 hours Got 96 hours plus

  6. LifeShelter™

  7. Dräger Escape Shelter™ 7

  8. Kennedy Shelter™ 8

  9. Mine Refuge Chamber™ 9

  10. Fresh Air Bay™ & Mine Refuge Chamber™ 10

  11. LifePod™ Pending

  12. Mine Safehouse™ Pending 12

  13. Communication Challenges

  14. WV §56-4 • Wireless – miner not connected by wire • Two-way communications to each miner in at least two separate airways • Tracking each miner in relation to known points prior and in escapeways after • Operators submit Communication/Tracking Plan by July 31, 2007 • Understand needs and thought through risks • Survive accident or be quickly repairable • Communication center operator needs red-hat card

  15. Few Spectrum Options

  16. Through the Earth

  17. Mid Frequency

  18. Leaky Feeder VHF & UHF

  19. Leaky Feeder Coverage Enhancement

  20. Wi Fi

  21. Mesh Challenge

  22. Next Generation…Redundancy

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