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CIRCES Cost Estimating Software <br />BULLDOZER RIPPING WORK <br />Task # : 029 State :Colorado PermiUjob # :C-81-012 <br />Date : 08/i6/2001 County :Las Animas Abbreviation :none <br />User : JHB Site :New Elk Mine Filename : C012-029 <br />Agency or organization name :Colorado Division O1 Minerals And Geology <br />Permit or other job action :2001 Midterm <br />Task description :Rip 2.03 acmes at water tanks <br />Basic machine :Cat D8R - 8SU <br />Blade type :Semi-Universal <br />Attachment no. 1 :ROPS Cab <br />Attachment no. 2 :3-shank dpper <br /> Utilization <br />Cost Breakdown : Ownership cost/hour : $49.50 NA <br />Dozer operating cost/hour : $65.98 100 <br />Ripper operating cosUhour : $7.50 100 <br />Operator cost/hour : $27.99 NA <br />Total unit cosUhour : $150.97 Total fleet cost/hour <br />Selected estimating method <br />Alternate methods - <br />Seismic : NA <br />Area : 2.03 <br />NA <br />acres <br />Load factor <br />Rip depth (ft) <br />Source of estimated quantity :Kent's notes <br />Source of estimated load factor :NA <br />Alternate methods - <br />Seismic : Seismic velocity : NA feeUsecond <br />Unadjusted production : NA cu. yds./hour <br />Area : Avg. ripping depth : 1.50 feef/pass <br />Average ripping width : 7.08 feeUpass <br />Average ripping length : 500.00 feeUpass <br />Average dozer speed : 88.00 feeUminute <br />Average maneuver time : 0.25 minutes/pass <br />Production per unit area : 0.822 acres hour <br />Unadjusted production : 1,989.27 cu. yds./hour <br />Fleet size : 1 dozers) <br />Unif cost : $0.091 per cu. yd. <br />Horsepower: 305 <br />Shift basis : 1 perday <br />Data source : (CRG) <br />Area <br />$150.97 <br />NA Bank volume : NA BCY <br />1.50 Volume : 4,913 BCY or CCY <br />Unadjusted production <br />per selected method : 1,989.27 cu, yds./hour <br />Site altitude : 7,500 feet <br />Altitude adjustment : 1.00 (Cat HB) <br />Job efficiency factor : 0.83 (1 shifUday) <br />Net job correction : 0.83 multiplier <br /> <br />Adjusted unit production : 1,651.10 cu. yds./hour <br />Adjusted Fleet production : 1,651.10 cu. yds./hour <br />Total job time : 2.98 hours <br />Tota17ob cost : $449 <br />~xti Z~ 'Go -- Revtseb! y/, L <br />