Laserfiche WebLink
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 (MR07-217) <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-F1. 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, an area south of the Raw Coal Stockpile, the Washplant yard and <br />pad areas, the Batch -Weigh Loadout yard, and the large storage yard in the Explosives Storage area. Additional <br />areas include equipment storage pads west of the Warehouse, beltline storage area along Haulroad A, temporary <br />storage near Pond B, an area along the ranch road to the east of the fire -training area, and the area across from the <br />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. Locations of <br />these areas are shown on Map 24, Surface Facilities and Freshwater System. The materials storage areas associated <br />with the stoker coal loadout area, at the PM Bay, at the base of the portal ramp, near the light-duty bay, and across <br />from the shop are also permitted for handling and storage of non -coal wastes per Rule 4.11.4(1). There are five <br />primary garbage or solid -waste handling areas; near the portal, in front of and behind the warehouse/shop area, at <br />the Washplant, and near the PM Bay. Other small satellite areas such as the Batch -Weigh Loadout and Operations <br />Center are served by smaller dumpsters, which are periodically emptied. <br />TC proposes to install an additional rock -dust tank in the Facilities Storage Yard to fill bulk dust bags, to be <br />transported underground by mobile equipment, to supply rock -dust for rock -dusting of mine working areas, as <br />shown on design drawing in Exhibit 49M. The proposed rock -dust tank installation is within the existing Storage <br />Yard disturbance area, and will involve no new or incremental disturbance. The Facilities Storage Yard Rock -Dust <br />Tank Installation will consist of a re -used rock -dust tank from the Williams Fork Mine property, which will be <br />mounted on four 24 -inch diameter poured concrete piers extending approximately 22 feet below ground level; a 5 <br />x 5 x 1 foot concrete pad with baghouse dust collector unit; and required electrical and control equipment. The <br />additional rock -dust tank installation can be readily accessed from the adjacent Shop Access Road or the Facilities <br />Storage Yard area. Drainage for the existing Facilities Storage Yard is controlled by existing collection ditches <br />which drain to Pond F, and the proposed rock -dust tank installation will not modify the drainage configuration or <br />requirements. <br />MRI 1-255 2.05-18.1 08/15/11 <br />