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9.3.3.4.6 Slurry Waste <br />The fine refuse is the underflow from the thickener. It will be <br />pumped through a pipeline from the thickener to the belt/filter <br />presses for further dewatering. As described above, the solids <br />will be added to the product stream and the water diverted back to <br />the hydraulic mine circuit. <br />9.3.3.9.7 Specialty Coal <br />This area will have a sub-base of clay and a base of concrete. The <br />coal will have a surface moisture of about 6 percent and will not <br />be on the site for any extended period of time and is expected to <br />retain the moisture or lose it through evaporation. As an added <br />precaution, the small pad will slope to a sump for collection of <br />any water that may accumulate. Water pumped from this sump will be <br />delivered to the water circuit for reuse. The maximum expected <br />volume to be stored at this location is 2000 cu-yds. <br />• <br />9.3.3.9.8 Conveyors <br />All conveyors will be constructed of steel framed towers and be <br />fully enclosed within the process building, except for the <br />extension of one conveyor which will transport coal to the <br />temporary coal pile. This conveyor will also be enclosed. The <br />location of the conveyor is provided in Figure 9.2-3. <br />9.3.3.4.9 All Other Buildings <br />The shops, electrical substation, water treatment, warehouse, <br />office and sizing buildings enclosures will be made of common <br />construction materials and include concrete footings and founda- <br />tions, steel frames (as necessary), and steel siding for permanent <br />. NCIG - Coal Ridge #1 4-37 ABC/1145/910509 <br />7.:-7 <br />