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Grading of spillway area of 7 acres. <br />7 acres x 54,776/acre = 533,432 <br />Spillway Construction Costs S 47,482 <br />Riorao Placement for Soillwav and Enerov Dissioator <br />Approximately 1 acre of riprap placement in spillway and 6 acres of <br />riprap placement in the collection pond/energy dissipator area. <br />A loader will be used for placement. <br />Riprap will be stockpiled within 500 feet of the placement areas. <br />A round trip of the loader is conservatively estimated apt 4 minutes. <br />11,300 yds3 x 1 trip/3ydss = a.~a~ c~,v5 <br />545/hour x 3,767 trips x 4 minutes/trip x 1 hr/60 min = 511,301 <br />Low Flow Channel Construction Costs <br />Total channel length of 7,400 feet. <br />Low flow channels to be constructed using grader. <br />Because of the need to ensure proper construction of the low flow <br />channels, the grader will be working slowly, conservatively a <br />construction rate of 1,000 feet of construction per hour. <br />In addition, two workers will be assigned to follow the grader and <br />add finishing touches to the channel as well as hand place the <br />required riprap. <br />S70/hour x 8 hours ~ f560 <br />2 workers x 55.00/hour x 1 hour/200 feet x 7,400 feet - 5370 <br />Low Flow Channel Construction Costs ~ 5930 <br />TOTAL TAILINGS RECLAMATION COSTS 5434,953 <br />L-4 <br />