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The coal quantities required from the NHN Mine under Western Fuels -Colorado's contract to <br />supply Tri-State Generating and Transmission Associations' Nucla Station are estimated to be <br />from 250,000 to 460,000 tons per year. Whenever possible, overburden stripping and coal <br />loading will be sequenced to maintain an in -pit inventory of approximately one month's coal <br />requirements. Additionally, overburden stripping and coal loading will be sequenced to allow <br />blending of coal in the pit to enable delivery of relatively uniform quality coal to the power plant. <br />The CC Ditch Company's Second Park Lateral Ditch is scheduled to be temporarily diverted into <br />a large HPDE pipeline to facilitate mining that area of the permit where the current ditch crosses. <br />Del -Mont Consultants of Montrose is preparing the design for this pipeline diversion. Design <br />details are located in Appendix 2.05.3(3)-4. The Timing of Operations table, Table 2.05.3-3, at <br />the end of this section describes the sequence in more detail. The approved Montrose County <br />Special Use Permit is shown in Appendix 2.05.3-1. <br />The pipeline is of thick high density polypropylene (HDPE) and was designed to handle the full <br />ditch flow currently carried in the ditch. WFC is working with the CCC Ditch Company and Del - <br />Mont Consultants to ensure that the design will satisfy CCC Ditch Company needs and that the <br />Company will be provided a long term supply of water that is equal or better than their current <br />supply. The plan also ensures that no downstream user will be interrupted at any time, since the <br />work will be conducted in between irrigation seasons. <br />Ponds, other treatment facilities and diversions are discussed in Section 2.05.3(4). Utility <br />relocations are discussed in Section 2.05.3(3). <br />2.05.3(3) Mine Facilities <br />Please see a separate section devoted for 2.05.3(3) Mine Facilities. <br />2.05.3(4) Ponds, Impoundments, Other Treatment Facilities and Diversions <br />Please see a separate section devoted for 2.05.3(4) Ponds, Impoundments, Other Treatment <br />Facilities and Diversions. <br />2.05.3(5) Topsoil <br />Please see Section 2.05.4(2)(d) Topsoil Redistribution for a discussion on Topsoil as required by <br />2.05.3(5). <br />2.05.3(6) Overburden <br />Please see Section 2.05.4(2)(c) Backfilling and Grading for a discussion on overburden as <br />required by 2.05.3(6). <br />Section 2.05.3 Page 3 February 2016 (MR -16) <br />