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BATTLE MOUNTAIN RESOURCES <br />San Luis Prolecl <br />• Drain impounded or ponded water from work areas. <br />• Cleaz and grub required areas <br />• Excavate culvert trench to required subgrade line. <br />• Place bedding material in trench. <br />• Lay pipe beginning at downstream end of conduit line. <br />• Backfill. <br />• Install erosion control measures (riprap). <br />• Revegetate disturbed azeas. <br />• Complete final grading and site cleanup. <br />Tailing Facility Reclamation: <br />• Develop access roads to work areas, as needed. <br />Page I-4 <br />Technical Speaficatians <br />• Develop a site drainage plan and maintenance scheme including storm runoff sediment <br />control measures. <br />• Drain impounded or ponded water from work azeas outside the tailings impoundment. <br />• Cleaz and grub required azeas. <br />• Grade impoundment surface as trafficability allows. <br />• Place topsoil in newly graded areas, revegetate, and construct all surface water control <br />facilities with revetments. <br />• Excavate material for spillway. <br />• Install revetments in discharge channel and at outlet. <br />• Allow for time to reclaim seepage pond. <br />• Construct water passage channel through perimeter embankment. <br />• Decommission temporary drainage ditches, culverts, and spillway. <br />• Grade azeas outside perimeter berms and extend ditches. <br />• Revegetate disturbed azeas. <br />• Complete final grading and site cleanup. <br />The Designer/Owner reserves the right to modify the Contractor's planned schedule at the time of <br />its submission to meet the overall project requirements. Reclamation of the tailings <br />N:~DHALLMAMSANLUIS~SANLUIS.DOC SR{ project No 14772 <br />June 4, 1997 <br />