2012-07-11_PERMIT FILE - C1984065 (2)

Home Browse Search

electrical distribution center, and the water and sewage treatment facility. All of the various primary facilities, such as the • preparationldewatering systems (water pumping, coal sizing, dewatering, and crushing) will be enclosed within a single modular steel, painted building not to e~:ceed 100' x 50' The building and modular components will be fab-icated off-site and will be erected upon assembly of the components to be housed within the building. The auxiliary facilities, except the electrical substation and water and sewage holding areas, will be located in a second similar painted steel building (Butler type) which will be 50' r. 80'. 9.3.3.1 Primary Facilities (Figure 4.2-3) 9.3.3.1.1 Pumping and Sizing This facility handles the produced coal as it leaves the mine flume system as a slurry. The coal Yias been initially sized through the use of a conventional feeder-breaker underground to a maximum size of 7 inches. The slurry wl~.ich is being transported from the production face to the surface, is transported through an open • flume system or a large diameter polyethylene pipe. From the portal to the processing building, the coal will move through an enclosed 30-inch (approximate) pipe. This will allow for travel across the portal road as well .3s eliminating any spillage onto the ground. The dewatering plant (within the process building) has been designed for the development operation as a closed loop. This design may be retained during full operation as more information regarding the coal and wall rock is obtained. The closed loop design does not generate any coal wastes (Exhibit 4.3-3) All solids entering the plant will go to any of the two coal storage piles, and any effluent water recovered from the sieves, centrifuges, belt press (filter), or static thickener, will be recycled into the mine production system. All dewatering will be NCIG - Coal Ridge #1 4-22 ABC/1145/910509 •