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EXHIBIT L RECLAMATION COST ESTIMATE(cont) <br /> June 25, 2014 <br /> have bonded for 100% of the installation costs since a Quality <br /> Control report is not yet available for the slurry wall . Should <br /> that become available, L.G. Everist may choose to request a bond <br /> reduction that would use a factor of 20% for the Division to do <br /> remedial work on the completed liners until OSE certification is <br /> accomplished. <br /> The total potential water surface area in the western uncertified <br /> reservoir area is estimated to be 33 . 83 acres . The dewatering <br /> calculations are shown in Table L2 . We rounded the pumping time <br /> to the next day and used 72, 300 gal/day, as a transmissivity <br /> number to figure inflow from the aquifer. These figures are then <br /> used in the calculations for the bond amount . The slurry wall <br /> platforms and slopes above the water line would only need grading <br /> and seeding as they will be shaped during slurry wall <br /> construction. No dewatering would be needed in the eastern area <br /> since that sloping is done. <br /> A 627C Cat motor scraper or similar equipment will be used to <br /> resoil the area and a 140G Cat motor grader or similar equipment <br /> will be used to shape the seed bed, and the resoiled areas . A <br /> DBN Cat dozer or similar equipment will be used to shape the <br /> underwater slopes on the perimeter of the reservoir and to push <br /> fill material into the eastern lake. The estimate uses 3-631G <br /> Cat motor scrapers to move and place the material in the <br /> backfilled area <br /> TABLE L 1 <br /> ALCULATION FACTORS <br /> Explanation Quantity Units <br /> oil depth 6.00 Inches <br /> Blow water sloping 3.00 cy/Ift <br /> Slurry wall installation cost $3.00 sq-ft <br /> Slurry wall bond factor 100% <br /> eed control costs 5 000.00 1 Per year <br />