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The parking area east of the northeast shop facility was improved to allow better utilization of the area. The <br /> improvements required hauling in approximately 2,500 CY of spoil material to fill-in and raise the existing parking <br /> area so that runoff drains to both the north and south from this area. Drainage from this area is directed into ditches <br /> D-2, G-4, and D-6 (a and b). Design information for these ditches is contained in Exhibit 8. <br /> A small building has been constructed on the east side of the portal entry. The 10 x 12 x 8 foot building will house <br /> the portal slope heating system. <br /> Warehouse Expansion(MR 7-217) <br /> In order to accommodate increased material storage requirements associated with mine expansion and the new <br /> Washplant facility, the existing mine Warehouse facility was expanded to include two additions; a 3,950 square <br /> foot (158 x 25 foot) enclosed extension of the current pallet-rack storage area, and the addition of a 1,520 square <br /> foot(95 x 16 foot) covered shed storage area. Both additions connect to the existing Warehouse structure as shown <br /> on Figure EX49H-F I. The Warehouse expansion areas are contained within the existing disturbed area"envelope" <br /> defined by the outer edges of the current Warehouse facility, and resulted in no new surface disturbance. <br /> Construction involved limited excavation for the floor slab for the enclosed extension; shallow drilling <br /> (approximately 20 feet) for 18-inch concrete support piers for both the enclosed extension and the covered shed <br /> storage; forming and pouring the piers and floor slab; erection of the pre-fabricated support frames for both <br /> extensions; and placement and connection of the metal sheathing walls and roof. <br /> Materials Storage Areas <br /> A number of areas located around the site are utilized for equipment/materials storage and handling. Primary areas <br /> include the warehouse and welding shop yards and pads, an area south of the shop, the large storage pad north of <br /> the bathhouse,the area around the PM Bay north of the Mine Entrance Road, the southern portion of the stoker coal <br /> loadout area, the dry storage area near the portal, the longwall storage area south of the Raw Coal Stockpile, the <br /> Washplant yard and pad areas, the Batch-Weigh Loadout yard, and the large storage yard in the Explosives Storage <br /> area. Additional areas include equipment storage pads west of the Warehouse, beltline storage area along Haulroad <br /> A, temporary storage near Pond B, an area along the ranch road to the east of the fire-training area, and the area <br /> across from the Batch-Weigh Loadout in the area of the old Lube Facility site. <br /> Additionally, there are equipment staging and handling areas along the PM Bay access road and south of the refuse <br /> pile area, for equipment assembly and preparation, primarily in association with longwall moves. The materials <br /> storage areas associated with the stoker coal loadout area, at the PM Bay, at the base of the portal ramp, near the <br /> light-duty bay, and across from the shop are also permitted for handling and storage of non-coal wastes per Rule <br /> 4.11.4(1). Locations of all material storage areas are shown on Map 24, Surface Facilities and Freshwater Systems. <br /> There are five primary garbage or solid-waste handling areas; near the portal, in front of and behind the <br /> warehouse/shop area, at the Washplant, and near the PM Bay. Other small satellite areas such as the Batch-Weigh <br /> Loadout and Operations Center are served by smaller dumpsters, which are periodically emptied. <br /> Storage Area North of Weld Shop <br /> In order to accommodate additional supplies needed for the longwall, the storage area around the weld shop was <br /> expanded. The storage area, approximately 0.5 acres, is shown on Map 24, Surface Facilities and Fresh Water <br /> Systems, with the additional disturbance also depicted on Map 29, Reclamation Map. The expansion will be <br /> upslope of the existing collection ditch in an area that has been previously reclaimed. The topsoil, approximately <br /> one foot in depth, will be salvaged and windrowed below the storage area. The windrowed topsoil will be seeded <br /> with the topsoil stockpile stabilization seed mixture. At the time of final reclamation, the topsoil will be <br /> redistributed over the site. <br /> MR18-310 2.05-18.1 08/07/18 <br />