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�GCC <br />Sincerely, <br />"Safety as a Value" <br />Telephone: 970.385.4528 <br />Facsimile: 970.385.4638 <br />GCC Energy, LLC <br />6473 County Road 120 <br />Hesperus, CO 81326 <br />to prepare a Technical Revision, TR -20, which will detail the necessary designs <br />to allow CMW to be used to backfill the west highwall at the King I mine. It is <br />anticipated that once Trautner's final report is received, the Technical Revision <br />should be ready for submittal to the Division by July 31, 2012 as proposed in <br />the timeline, or August 7, 2012 if the final Geotech analysis is delayed as <br />discussed earlier. The TR will provide plans for underdrains, slope stability, <br />final grade, final plant growth medium, seed mix, etc. <br />6) Discussions are underway with contractors to determine the most logical <br />method of moving the CMW to allow for construction of the underdrains, and to <br />replace and compact the material in lifts. It is possible that some of the existing <br />CMW would be moved to the permitted refuse pile and some would be replaced <br />upon approval of the Technical Revision. <br />7) The CMW which has been placed on the west portal bench (above the bulk of the <br />material in question) will be moved to the permitted refuse pile once equipment <br />has been mobilized to the site. It is anticipated that the portal bench will be <br />utilized as an upper drainage feature as part of the Technical Revision design. <br />GCC Energy respectfully requests that the due dates of time for abatement be <br />extended as follows: <br />Step #1 (Submit a Technical Revision application): August 14, 2012 <br />Step #2 (Remove any CMW not intended to be used as permanent backfill, and <br />transport the waste to the approved Refuse Pile): November 30, 2012 <br />Please call Tom Bird at (970) 385 -4528 x 6503 if you have any questions or comments. <br />Tom Bird <br />Manager, Coal Services <br />GCC Energy, LLC <br />