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and compaction of the trench; regrading; replacement of soil materials; and revegetation of all <br />disturbed areas. The pipeline will be buried as close to the road as feasible, and as constrained by <br />County Road requirements. Because pipeli a placement will necessarily involve activities within the <br />Foidel Creek buffer zone, TC is requesting a temporary variance from the regulatory requirements for <br />operations within a buffer zone. The pipeline will be a double HDPE pipe system, with a 8.625 -inch <br />carrier pipe inside a 12.0 -inch containment pipe, buried approximately 5 -feet deep, and extending <br />approximately 1,600 feet between the 6RT Borehole location and the new 7RT Borehole. If it is <br />necessary to temporarily place the pipeline on the surface, TC will inspect the pipeline daily for any <br />evidence of damage or leakage. <br />While the associated pipeline disturbance areas will essentially be reclaimed within a reasonable time <br />period following pipeline installation, TC does not consider these areas to be reclaimed for purposes of <br />reporting, since there is some potential that they may be re- disturbed for pipeline repair or maintenance <br />in the future. At the time of final reclamation, inspection manholes will be removed or demolished to <br />3 -feet below grade, and the pipeline will be cut -off below grade, capped, and abandoned in place. The <br />drop - borehole will be plugged and sealed, using the methods described in the permit for boreholes. At <br />that time, any necessary maintenance of regraded areas will occur, along with any necessary <br />supplemental seeding. <br />TC has scheduled a cultural resource survey of the proposed borehole and pipeline disturbance areas, <br />and has requested a wildlife consultation review from CPW. This documentation will be provided to <br />the CDRMS on receipt. Detailed design, operations, and reclamation information for the proposed <br />activities, is provided as both revised PAP text and exhibits; and revised maps, reflecting the location <br />and configuration of the new facilities, pipeline, and road. New and revised PAP materials are <br />identified by the attached Summary of Revisions/Additions. <br />We would like to proceed with this project as soon as possible, due to the time required for road and <br />pad construction, and to complete drilling operations and subsequent equipment installation. We, <br />therefore, appreciate your consideration, cooperation, and assistance in facilitating timely review and <br />approval of this revision application. After you have opportunity to review the accompanying <br />information, please feel free to contact me with any questions or to discuss submittal materials or <br />related matters. <br />Best regards, <br />for Twentymile Coal, LLC <br />Jerry M. Nettleton <br />Manager Environmental Affairs <br />cc: Mike Berdine/TC <br />