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Peabuuq <br />Alk Twentymile Coal Company <br /> <br />Mrs. Janet Binns <br />Environmental Protection Specialist <br />Colorado Division of Minerals and Geology <br />1313 Sherman Street, Room 215 <br />Denver, Colorado 80203 <br />(303) 866-4933 <br />29515 Routt County Road #27 <br />Oak Creek, CO 80467 <br />970.879.3800 <br /> <br />NOV 0 2 2009 <br />9ivis1u1 I ui j d,_,ari?ation, <br />Wiining and Safety <br />October 29, 2009 <br />RE: Twentymile Coal Company - Foidel Creek Mine (Permit No. C-82-056), Minor Revision <br />(MR09-240) for Security Gate Installation <br />Dear Mrs. Binns: <br />Twentymile Coal Company (TCC) requests CDRMS approval of a Minor Revision (MR09-240) to the <br />approved Permit, for installation and operation of a Security Gate Installation at our main eastern mine <br />entrance. The Security Gate Installation is needed to enhance mine security and provide for better and <br />more effective access control and training of mine visitors and vendors. The location of the proposed <br />Security Gate Installation is shown on Map 24, Surface Facilities and Freshwater Systems, with details <br />provided by drawings in Exhibit 49U. <br />Installation of the proposed Security Gate Installation will involve the following: <br />? Completion of grading and paving of an existing dirt parking/staging area (previously approved <br />under MR07-220) <br />? Realignment of approximately 300 feet of the existing Ditch G-2 <br />? Foundation preparation for a modular security building within the existing disturbed area <br />? Installation of a waste water holding tank (sub-grade) <br />? Construction of a poured concrete equipment pad <br />? Installation of a modular Security Building <br />? Installation of a water tank and connecting pipeline <br />? Installation of a propane tank and connecting pipeline <br />? Extension of a short powerline and installation of a transformer and back-up generator <br />? Construction of a security fence <br />? Placement of concrete barriers <br />It is anticipated that the Security Gate Installation system will be completed over a 6-8 week time period <br />following receipt of required permit approvals. <br />Because the Security Gate Installation will be located in an existing disturbance area, there will be no new <br />disturbance associated with the project. Associated reclamation requirements and costs will be limited to <br />removal of equipment and facilities, limited backfilling, removal and disposal of paving materials, <br />regarding, soil replacement, and revegetation, as summarized by the accompanying Reclamation Cost <br />Estimate. <br />G:\Environmental\REVISION\MINOR-RV\MR09-240 Security Gate\1\4R09-240 Security Gate Installation TL.doc