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by Year: (Nest Ride Rec l. + Moffat Recl.) x I ni 'oc . = Y arly •cs . <br />1 115 acres 56 acres $1,017.9llacre $175,069 <br />2 104 acres 60 acres "" $167,954 <br />3 104 acres 61 acres "" $168,971 <br />4 104 acres 62 acres "" $169,989 <br />5 104 acres 63 acres "" $171,007 <br />7. SEDIMENT POND REMOVAL <br />Si 4o cific Detaila <br />• The pond volume is backfilled using 637 D P-P scrapers having a 1,500 foot average <br />haul distance. <br />• As all ponds are incised, no dam removal will be required. <br />• Volume material moved per cycle = 25 yds3. <br />Tni .ost <br />a. Production Rate <br />Cycle Time <br />Loaded Haul . . 1.6 minutes <br />Empty Return . 0.7 minutes <br />Fixed Time . . ~,~, minutes <br />Total Cycle .. . 4.6 minutes <br />Ideal Production =Cycle Time + Volume/Cycle <br /> = 4.6 minutes/cycle + 25 yds3/cycle <br /> = 271 yds3/hr. <br />Production Factor = 0.925 (altitude). <br />Actual Production =Ideal Production x Production Factor <br /> = 271 yds3/hr x 0.925 <br /> = 251 yds3/hr. <br />b. Hourly Labor/Equipment Costs <br />Costs will be the same as the Topsoil Replacement Labor/Equipment Costs <br />(see Category 3). <br />c. Unit Cost to Remove Sediment Ponds <br />_ (Labor Rate + Equipment Rate) x Production Rate <br />$220.48/hr x 251 yds3lhr <br />_ $0.88/yds3 <br />11 <br />December 12, 1991 <br />