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TR -06) not needed for the unloading system that will be demolished and properly disposed. I* <br />The railcar unloading handling system will consist of a train dump hopper (new), a reclaim <br />tunnel and belt conveyor (new) and a radial stacker (new) to unload rail cars. These three <br />components were included in the unloading system approved under TR -05. However, the <br />structures constructed to support the 2MM ton /year unloading operations plan will be <br />slightly larger to handle the increased throughput, and the train dump hopper will be <br />enclosed in a fabricated, metal building. The existing truck dump hopper and belt conveyor, <br />existing crusher building (refurbished), an existing reclaim belt conveyor (refurbished and <br />relocated) and the existing loading building (refurbished and relocated) will be used to <br />load tandem- trailer bottom dump trucks for coal haulage to the Hayden Station Power Plant. <br />See Exhibit 12 -1, (Revision 14, dated 03/07), Exhibit 12 -1A, Train Unloading and Truck <br />Loading Facilities Plan and Sections, and Exhibit 12 -2 (Revision 11, dated 03/07) for <br />anticipated locations and layout of the proposed coal handling facility. <br />Railcar Unloading Facility: The rail car unloading hopper will be located slightly west of <br />the existing train loadout structure location. The hopper will be enclosed in a fabricated, <br />metal building. The hopper will be able to accommodate up to approximately 275 tons of <br />coal. Coal from the hopper will be transferred to a reclaim conveyor by a 118 -inch belt <br />feeder located below the hopper. <br />Dust control for the proposed coal handling system will be by FogJet, System (Raring <br />Corporation, Vancouver, Washington), or equivalent. A new building will be constructed near <br />the existing water tank to house the FogJet"K dust control system. <br />Reclaim Tunnel and Conveyor: A 60 -inch wide reclaim belt conveyor will be housed in an <br />inclined (16.5 °) concrete tunnel perpendicular to the railroad tracks. The reclaim belt <br />conveyor will transport coal (4,000 tons per hour) to the radial stacker. <br />Radial Stacker: The radial stacker will be a 54 -inch wide by 125 -feet long self - propelled <br />rubber tired unit. The stacker will be capable of adjusting the dump height to minimize <br />dust, and will slew through 160 degrees on a concrete runway. <br />Coal Storage: The coal storage pile will be kidney shaped and approximately 30 feet maximum <br />height. The stockpile will be capable of storing a maximum of 30,000 tons of coal. Tracked <br />dozers will be used to push coal from the stockpile to the dump hopper which feeds the truck <br />loading facility. <br />MR -16 16 Revised 11/07 <br />