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Request for Information (RFI) on Refuge Alternatives

Request for Information (RFI) on Refuge Alternatives. Purpose Requesting comments on issues and options relevant to miners’ escape and refuge Improve overall strategy for miners’ survival and escape in an underground coal mine emergency

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Request for Information (RFI) on Refuge Alternatives

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  1. Request for Information (RFI)on Refuge Alternatives Purpose Requesting comments on issues and options relevant to miners’ escape and refuge Improve overall strategy for miners’ survival and escape in an underground coal mine emergency On file for public inspection at the Federal Register: August 7, 2013 60-day Comment period closes October 7, 2013

  2. RFI Question Summary • Miner Training on Refuge Alternatives • Availability, use, and effectiveness of refuge alternative training units • Availability and usefulness of training materials • Experiences with in-place shelters and prefabricated units. • In-place Shelters • Design of an escape strategy using in-place shelters • Advantages and disadvantages of in-place shelters vs. prefabricated units: location, maintenance, and costs • Advantages, disadvantages, and restrictions of providing breathable air and communication through boreholes

  3. RFI Question Summary (cont’d) • Escape Methodology – comprehensive escape strategy • Use of SCBA system (with refill station) • Incorporate in-place shelters into escape strategy/ mine evacuation plan • Replacement of Brass Fittings and Valves • Predictive maintenance or replacement schedule; include costs • New materials

  4. RFI Question Summary (cont’d) • Approvals • Issues re: gas monitoring equipment • Equivalent options to existing approval requirements • Apparent Temperature • Air conditioning: availability, use, cost • Effects of outside air temperature on in-place shelters

  5. RFI Question Summary (cont’d) • Physiological and Psychological Factors • Miners’ confidence in refuge alternatives • Effect of in-place shelters on miners’ psychological and physiological well-being • In-place shelters vs. prefabricated units: advantages • Additional Issues • Escape and refuge innovations • Refuge alternative examinations: interval, content • Grandfathering of state-approved structural components • Effective use of inflatable stoppings (post event) • Prevention of oxygen enrichment of refuge alternative atmosphere

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