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• 2.05.3 <br />Non-Coal Waste Storage <br />Non-coal waste will be stored at the portal levels. Three concrete walls will be <br />constructed to form the storage area. The walls will form a u-shape. The storage <br />area will be approximately 20 feet wide, 30 feet deep and the walls will be 6-feet <br />high. Commercially available dumpsters may be used in lieu of the concrete <br />structures. Non-coal waste will also be stored in dumpsters located in areas defined <br />in 2.05.3(8). <br />Temporary Gob Piles <br />Gob will be periodically transported from the underground workings on the mine <br />conveyors. At the D-Seam portal transfer tower, gob is transferred to the gob <br />conveyor. The gob is stacked in a temporary gob pile which is located near the <br />transfer tower on the D-Seam. Gob from the B-Seam will be transferred from the <br />transfer tower via steel chute to a concrete gob bin. The gob is then handled by <br />front-end loader and trucks and transported to the permanent gob disposal area. <br />Certain conditions such as inclement weather or severe winter conditions may <br />preclude access to the permanent gob pile for extended periods of time. Therefore, <br />gob may be stored in the temporary gob piles for up to 30 days. Up to 1500 tons <br />may be stored in the temporary gob piles at one time. <br />• Gob Bin <br />Concrete structure, 15 feet wide, 30 feet long with 8 foot walls open on the top and <br />narrow end for front end loader access. <br />Rock Dust Storage Areas <br />The D-Seam portal bench and the B-Seam portal bench will have steel rock dust <br />silos approximately 50 feet high and 8 feet in diameter. A cinderblock building under <br />the silo, which houses a rock dust pod and a distribution compressor is <br />approximately 30'X 20' X 8'. <br />Pump House <br />Apre-engineered metal building designed to house the pump station which supplies <br />water to the mine operation. The pump house is located along the Deer Trail Ditch. <br />The building is approximately 18 feet by 12 feet with an 8-foot eave height. <br />Mine Dewatering Pipe <br />A 6 to 8-inch diameter PVC pipe that originates at the B-Seam portal bench and <br />terminates at Outfall 006. Outfall 006 is located northeast of the unit train loadout <br />structure. Map 41 shows the route of the mine dewatering pipeline. <br />• MR-94 2.05 - 13 - 01109 <br />A PFRQv~ b <br />/~~a~ <br />