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MOUNTAIN COAL <br />COMPANVL.L.C. <br />A Subsidiary of Arch Western Resources, LLC <br />sv- <br />October 28, 2008 <br />ID <br />001 <br />?V <br />Mr. Tom Kaldenbach <br />Colorado Division of Reclamation Mining and Raf <br />Office of Mined Land Reclamation <br />1313 Sherman Street, Room 215 <br />Denver, Colorado 80203 <br />w. <br />West Elk Mine <br />P.O. Box 591 <br />5174 Highway 133 <br />Somerset, CO 81434 <br />(970) 929-5015 <br />Fax (970) 929-5595 <br />Re: Mountain Coal Company LLC (MCC), West Elk Mine; Permit No. C-80-007; Submittal of <br />Technical Revision No. 114, Helipad Relocation. <br />Dear Mr. Kaldenbach: <br />MCC is submitting the attached information for a technical revision to the M&R Permit to relocate the <br />helipad. <br />The current helipad location has been reviewed by the pilots and personnel from St. Mary's (Grand <br />Junction) CareFlight. Because of the size of aircraft currently being flown by the pilots and the <br />surrounding high voltage hazards, it is necessary and prudent to relocate the helipad to the Lower <br />Refuse Pile. The location was chosen by the pilots of the CareFlight Program as the best location for <br />ingress and egress for their aircraft in the North Fork Valley at MCC. <br />An elevated concrete pad approximately 40-feet wide and 40-feet long with a ramp approximately 20- <br />feet long and 40-feet wide will be constructed. The ramp will be used to accommodate gurney access <br />and allow snow removal equipment on the pad. The top of the pad will be crowned so the drainage <br />from the pad will not disrupt the current sediment control plan. <br />The pad location will be the NW corner of the Lower Refuse Pile and will be 6-inches thick with #4 <br />rebar laidl2-inches on center each way (12" O.C. E. W.). The elevated pad will also incorporate either <br />a berm or guard rail surrounding the pad for safe removal of snow from the pad. A helipad designation <br />symbol will be painted on the concrete pad.