2008-04-15_REVISION - M1980244 (368)

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• Pads 3 and 4 Reclamation Costs (2008 Activity Units Work Hours Eqmt Cost Labor Cost Material Cost Total Cost 'Grading/Re-contouring (ac) 13.65 27.30 $ 5,448 $ 799 included $ 6,247 D9 Rate (hrs/acre) 2 ZHaul Fill (cy) (According to CC&V staff, this work has been completed as of March 2008) 3Haul Growth Medium (cy) 11,009 48 $ 10,215 $ 1,535 included $ 11,750 623 Scraper (cy/hr) 230 °Spread Growth Medium (cy) 11,009 15.51 $ 3,094 $ 504 included $ 3,599 D9 Rate(cy/hr) 710 SSoil Analyses (#) 2.73 included included $ 56 $ 56 Rate (ac /sample) 5 °Rip & Fertilize (ac) 13.7 8.03 $ 328 $ 261 $ 1,693 $ 2,282 D4 Rate (aGhr) 1.7 'Seed & Harrow (ac) 1.0 0.43 $ 19 $ 14 $ 105 $ 138 D4 Rate (aGhr) 2.3 Hand Seed (ac) 12.7 12.65 N/A $ 263 $ 1,328 $ 1,591 Rate (aGhr) 1.0 9Hydro-Mulching (ac) 13.7 22.75 $ 1,011 $ 666 $ 1,433 $ 3,110 Rate (aGhr) 0.6 10Plant Trees (ac) 13.65 20.37 N/A $ 424 $ 6,306 $ 6,730 Rate (ac/hr) 0.67 Total Work Hours = 154.91 "Supervisor (work hrs/4) C 38.73 $ 4,283 $ 1,126 included $ 5,409 Subtotals = $ 24,399 $ 5,592 $ 10,922 $ 40,912 Subtotals adjusted for percent completion and mine extensions = 8,540 1,957 3,823 $ 14,319 Total Reclamation Cost Estimate for Pads 3 8~ 4 = $ 14,319 'Assumes grading will be done with conventional D9 dozer ZAccording to CC&V staff, this reclamation work has been completed as of March 2008 3Growth Medium Replacement fleet will consist of 623 scrapers (3) °Growth Medium will be spread using a D-9 dozer to a depth of 6 inches SSoil analyses will be run on samples of the reclaimed areas to determine optimum fertilizer rates eRipping and fertilizing will be conducted on the replaced growth medium using a conventional D4 dozer with a cyclone spreader Seeding and harrowing will be conducted on all replaced growth medium that is traversible with conventional equipment BAssumes minimal amount of the area will require hand-seeding to achieve revegetation 9Mulching will be conducted using conventional hydro-seeder/hydro-mulcher MDE (2-20-08) tOTrees and shrubs will be planted on north and east-facing slopes Rev (4-2-08) 'Supervisor costs are figured at 25 percent of the total work hours to accomplish the reclamation effort Rev (4-10-08)