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Following removal of structures and equipment and plugging and sealing of the shaft; road surfacing materials, <br />geotextile, and culverts will be removed and disposed of off-site; and the shaft pad and access road disturbance azeas will <br />be regraded to reestablish effective drainage and blend with the surrounding terrain. Stockpiled and windrowed topsoil <br />will then be replaced on those disturbed areas where it was previously removed, and the azeas will be seeded with a <br />pastureland seed mixture. <br />)n reference to the thickener underflow project, the reclamation work will involve removal of the pump, hosing and <br />piping, pump platform, support beams, powerline and poles, transformer, concrete pad, and grounding bed. The pump <br />will be removed from the pit, along with salvageable components, and then the remainder of the platform and support <br />beams will be dozed into the pit. The powerline and poles and transformer will be salvaged and the concrete pad will be <br />dozed into the pit. The grounding bed will be disconnected and left in-place and covered during the backfilling and <br />grading of the surrounding azea. The area then will be topsoiled and seeded in conjunction with the reclamation of the <br />entire por[a]/facilities azea. <br />18-Right Ventilation Shaft (TR04-441 <br />When the 18-Right Ventilation Shaft and emergency hoist equipment aze no longer required to support ongoing or future <br />mining operations, the associated surface facilities will be removed, the shaft will be plugged and sealed, and surface <br />disturbance azeas will be reclaimed. The emergency hoist equipment will be removed and reused at another locale, <br />salvaged, or disposed of off-site. Concrete pads will be broken up and foundations will be demolished to at least 2 feet <br />below grade, and the resulting concrete debris will be disposed of in the shaft opening. The shaft collaz concrete will <br />also be broken up and disposed of into the shaft opening leaving an open space for the concrete slab and backfill <br />material/shaft cuttings to be placed in the shaft void. A cement plug shall be placed in the bottom fifteen feet of the shaft <br />and the remainder of the shaft will be filled with inert material including the shaft cuttings and collaz excavation <br />materials. A cement plug will be poured from ten feet below grade to within approximately three feet of the surface. <br />The remaining three feet will be filled with soil and graded to blend with the surrounding terrain. <br />• As noted on page 2.05-45.4, any required pressure-grout boreholes will be sealed at the time of construction. <br />Cement grout will be pumped through the boreholes to seal any wet zones encountered and the boreholes will be <br />filled with grout and allowed to set-up on completion of grouting operations. Any surface casing extending above <br />ground surface would be cut-off flush with or below natural ground level. <br />Following removal of structures and equipment, and plugging and sealing of the shaft; any cuttings remaining in the <br />temporary mine waste disposal pit will be covered with excavated shaft collaz material; road culverts will be removed <br />and disposed of off-site; road-base and surfacing materials will be removed and placed on the shaft pad; and the shaft <br />pad and access road disturbance azeas will be regrnded to reestablish effective drainage and blend with the surrounding <br />terrain. Cover over any cuttings remaining in the cuttings pit will be a minimum of 2 feet of suitable material, and the <br />postmining configuration will approximate the premining contours. As-built certification will be provided to the <br />CDMG following final closure, backfilling, and grading of the cuttings pit. Any excess road-base and surfacing <br />materials not required to reestablish approximate original contour will be hauled off-site and disposed of Stockpiled <br />topsoil will then be replaced on those disturbed areas where it was previously removed and seeded with a pastureland <br />seed mixture. <br />6-North Mains Ventilation Shaft (TROS-481 <br />When the 6-North Mains Ventilation Shaft and supporting equipment and boreholes are no longer required to support <br />ongoing or future mining operations, the associated surface facilities will be removed, the shaft will be plugged and <br />sealed, and surface disturbance azeas will be reclaimed. The supporting equipment will be removed and reused at <br />another locale, salvaged, or disposed of off-site. Concrete pads will be broken up and foundations will be demolished to <br />at least 2 feet below grade, and the resulting concrete debris will be disposed of in the shaft opening. The shaft collar <br />concrete will also be broken up and disposed of into the shaft opening, leaving an open space for the concrete slab and <br />backfill material/shaft cuttings to be placed in the shaft void. A cement plug shall be placed in the bottom fifteen feet of <br />the shaft and the remainder of the shaft will be filled with inert material including the shaft cuttings and collaz excavation <br />TR06-52 2.05-106 05/16/06 <br /> <br />