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CIRCES Cost Estimating Software <br />PROJECT IDENTIFICATION <br />Task # : 01a State :Colorado PermiUjob # : M-1980-080 <br />Date : 10/19/2007 County :GarFeld Abbreviation :none <br />User : 7HM Site :Una Pit Filename : M080-01 a <br />Agency or organization name :DRMS <br />Permit or other job action :Final Reclamattion Costs Update-2007 <br />Task description :Rip 58.3 acres of Plant /Stockpile Area <br />HOURLY EQUIPMENT COST <br />Basic machine : Caf D8R Series 1I - 8SU (200; Horsepower : 310 <br />Blade type :Semi-Universal <br />Attachment no. 1 :ROPS Cab Shift basis : 1 per day <br />Attachment no. 2 :3-shank ripper <br />MATERIAL QUANTITIES <br />Selected estimating method : Area <br />Alternate methods - <br />Seismic : NA NA Load factor : NA Bank volume : NA BCY <br />Area : 58.30 acres Rip depth (ft) : 1.00 Volume : 94,057 BCY or CCY <br />Source of estimated quantity :Mining Plan Map <br />Source of estimated load factor:NA <br />HOURLY PRODUCTION <br />Alternate methods - <br />Seismic : Seismic velocity <br />Unadjusted production <br />Area : Avg. ripping depth <br />Average ripping v~idth <br />Average ripping length <br />Average dozer speed <br />Average maneuver time <br />Production per unit area <br />Unadjusted production <br />NA feeUsecond <br />NA cu. yds./hour <br />1.00 feeUpass <br />708 feeUpass <br />200.00 feeUpass <br />88.00 feeUminute <br />0.25 minutes/pass <br />0.773 acres/hour <br />1,247.33 cu. yds./hour <br />Unadjusted production <br />per selected method : 1,247.33 cu. yds./hour <br />Site altitude : 5,000 feet <br />Altitude adjustment : 1.00 (Cat HBj <br />Job efficiency factor : 0.83 (1 shi/t/day) <br />Neljob correction : 0.83 multiplier <br /> <br />Adjusted unit production : 1,035.28 cu. yds./hour <br />Adjusted fleet production : 1,035.28 cu. yds./hour <br /> <br />JOB TIME AND COST <br />Fleet size : 1 dozers) Total job time : 90.85 hours <br />Unit cost : $0.136 per cu. yd. Total job cost : $12,787 <br />