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CIRCES Cost Estimating Software <br />BULLDOZER RIPPING WORK <br />Task # : 028 State :Colorado Permitlob # : C-81-012 <br />Date : 08/08/2001 County :Las Animas Abbreviation :none <br />User : JHB Site :New Elk Mine Filename : C012-028 <br />Unadjusted production <br />per selected method <br />Agency or organization name : Cco/orado Division Of Minerals And Geology <br />Permit or otherjob action :2001 Midterm <br />Task description :Rip 5.37 acres at prep plant <br />Basic machine :Cat D8R - 8SU Horsepower : 305 <br />Blade type :Semi-Universal <br />Attachment no. 1 :ROPS Cab Shift basis : 1 per day <br />Attachmentno.2 :3-shank upper <br /> Data source : (CRG) <br /> Utilization <br />Cost Breakdown : Ownership cosUhour : $49.50 NA <br />Dozer operating cosUhour : $65.98 100 <br />Ripper operating cosUhour : $7.50 100 <br />OperatorcosUhour : $27.99 NA ~, <br />Total unitcosUhour : $150.97 Total fleetcosUhour: $150.97 <br />Selected estimating method : Area <br />Alternate methods - <br />Seismic <br />Area <br />NA NA <br />5.37 acres <br />NA Bank volume <br />1.50 Volume <br />~ondition Correction Fa <br />Load factor <br />Rip depth (ft) <br />Source of estimated quantity :Kent's Notes <br />Source of estimated load factor :NA <br />Altemate methods - <br />Seismic : Seismic velocity : NA feeUsecond <br />Unadjusted production : NA cu. yds./hour <br />Area : Avg. ripping depth : 1.50 feeUpass <br />Average ripping width : 7.08 feeUpass <br />Average ripping length : 500.00 feeUpass <br />Average dozer speed : 88.00 feeUminute <br />Average maneuver lime : 0.25 minutes/pass <br />Production per unit area : 0.822 acres/hour <br />Unadjusted production : 1,989.27 cu. yds./hour <br />NA <br />12,995 BCY or CCY <br />BCY <br />1,989.27 cu. yds./hour <br />Site altitude : 7,400 feet <br />Altitude adjustment : 1.00 (Cat HB) <br />Job efficiency factor : 0.83 (1 shiR/day) <br />Net job correction : 0.83 multiplier <br />Adjusted unit production <br />Adjusted fleet production <br />1, 651.10 <br />1,651.10 <br />cu. yds./hour:. <br />cu. yds./hour <br />Fleet size : 1 dozers) Total job time : 7.87 hours <br />Unit wst : $0.091 per cu. yd. Total job cost : $1,188 <br />~' <br />~x4 Zg - yfy 1Qev/se~ Y-mZ <br />