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In addition to the direct piped connection to the mine -water system at 6MN, the Million -Gallon Tank will be <br />temporarily connected directly to a pipeline running from the 10 -Right Mine Dewatering Pipeline. Water from the <br />10 -Right Mine Dewatering Well, which pumps accumulated mine inflows from m <br />a sup in the sealed Eastern <br />Mining District, is pumped to the surface by a 320 HP high-capacity submersible pump, at a rate of approximately <br />700 gpm. The pump discharge is currently transferred by a series of surface and underground pipelines to the Area <br />1 Pit in the TCC Mine Facilities Area for use in either coal preparation operations or for storage and subsequent use <br />as a back-up source for the operational mine water system. <br />As part of the 6MN Facilities project, TCC will establish a new pipeline running approximately 7,750 feet from the <br />10 -Right Dewatering pipeline to the 6MN Storage Reservoir. The pipeline will be constructed of 10 -inch HDPE <br />pipe, buried to a depth of approximately six feet, with one sub -grade crossing (bored under) of Fish Creek. Details <br />M R 15-294 2.05 — 45.12.1 01/06/16 <br />