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CIRCES Cost Estimating Software <br />BULLDOZER RIPPING WORK <br />PROJECT IDENTIFICATION <br />Task # : 070 <br />Date : 04/25/2001 <br />User: JRS <br />State :Colorado <br />County :Mesa <br />Site :Roadside Portals <br />Agency or organization name :Colorado Division O/Minerals And Geology <br />Permit or other job action :Roadside Portals Current Liability <br />Task description :Rip Temporary Access Road Ar10 <br />HOURLY EQUIPMENT COST <br />MATERIAL QUANTITIES <br />Altemate methods - <br />Seismic <br />Area <br />Utilization <br />Cost Breakdown : Ownership cosVhour : $49.50 NA <br />Dozer operating cosUhour: $65.98 100 <br />Ripper operating cost/hour: $750 100 <br />OperatorcosUhour: $2799 NA <br />Total unit cost/hour : $150.97 Total fleet cosUhour <br />NA NA <br />0.20 acres <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 />Attachment no. 2 : 3-shank ripper <br />Permifrob # : C-81-041 <br />Abbreviation :none <br />Filename : C041-070 <br />Selected estimating method <br />Load factor : NA Bank volume <br />Rip depth (ft) : 2.00 Volume <br />Area <br />NA <br />645 <br />$150.97 <br />BCY <br />BCY or CCY <br />Source of estimated quantity :Exhibit 9A <br />Source of estimated load factor : NA <br />HOURLY PRODUCTION <br />Altemate methods - <br />Seismic : Seismic velocity : NA feeUsecond <br />Unadjusted production : NA cu. yds./hour <br />Area : Avg. ripping depth : 2.00 feeUpass <br />Average ripping width : 708 feet/pass <br />Average ripping length : 50.00 feeUpass <br />Average dozer speed : 88.00 feeUminute <br />Average maneuver time : 0.25 minutes pass <br />Production per unit area : 0.596 acres hour <br />Unadjusted production : 1,922.96 cu. yds./hour <br />JOB TIME AND COST <br />Fleet size : 1 dozers) <br />Unit cost : $0.095 per cu. yd. <br />i ~onomon i.orrecnon raa ors - <br />Unadjusted production <br />per selected method : 1,922.96 cu. yds./hour <br />Site altitude : 5,000 feet <br />Altitude adjustment : 1.00 (Cat HB) <br />Job efficiency factor : 0.83 (1 shi(Vday) <br />Net job correction : 0.83 multiplier <br />Adjusted unit production : 1,596.06 cu. yds./hour <br />Adjusted fleet production : 1,596.06 cu. yds./hour <br />Total job time : 0.40 hours <br />Total job cost : $61 <br />Data source : (CRG) <br />