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Status of WV Rules and Technology Options

This presentation by Randall Harris from the WV Office of Miners Health Safety and Training provides an overview of alternative escape options for miners who cannot barricade, as well as communication challenges in the mining industry. It discusses currently approved shelters, their structural and life support requirements, and introduces new technologies such as the LifeShelter, Dräger Escape Shelter, Kennedy Shelter, Mine Refuge Chamber, Fresh Air Bay, Mine Safehouse, and LifePod. The presentation also addresses the need for wireless communication options, two-way communications, tracking systems, and the submission of Communication Tracking Plans by operators. Finally, it discusses spectrum options, including through the earth, mid-frequency, leaky feeder (VHF & UHF), and Wi-Fi mesh, as well as the importance of next-generation redundancy.

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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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