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CIRCES Cost Estimating Software <br />BULLDOZER RIPPING WORK <br />Task # : 003 <br />Date : 02/19/2003 <br />User: JD1 <br />State :Colorado <br />County :Park <br />Site :Chaparral Meadows Pit <br />Agency or organization name : DMG <br />Permit or other job action :final reclamation <br />Task description :rip compacted areas <br />HOURLY EQUIPMENT COST <br />Basic machine : Cat D8R Series 11 - BU <br />Blade type : Universal <br />Attachment no. 1 : ROPS Cab <br />Attachment no. 2 : 3-shank ripper <br /> Utilization <br />Cost Breakdown : Ownership cosUhour : $50.76 NA <br />Dozer operating cost/hour : $61.72 100 <br />Ripper operating cosUhour : $7.01 100 <br />Operator cost/hour : $30.65 Nq <br />Total unit cost/hour : $150.14 Total fleet cosUhour <br />MATERIAL QUANTITIES <br />Selected estimating method : Area <br />Altemate methods - <br />Seismic : NA NA <br />Area : 750 acres <br />Load factor : NA Bank volume <br />Rip depth (ft) : 1.00 Volume <br />Horsepower: 310 <br />S 150.14 <br />NA BCY <br />12,100 BCY or CCY <br />Source of estimated quantity :calculation <br />Source of estimated load factor : NA <br />HOURLY PRODUCTION <br />Alternate methods - <br />Seismic : Seismic velocity : NA feeUsecond <br />Unadjusted production : NA cu. yds./hour <br />Area : Avg. ripping depth : 1.00 feeUpass <br />Average ripping width : 708 feeUpass <br />Average ripping length : 250.00 feeUpass <br />Average dozer speed : 88.00 feeVminute <br />Average maneuver time : 0.25 minutes/pass <br />Production per unit area : 0.789 acres hour <br />Unadjusted production : 1,272.55 cu. yds./hour <br />JOB TIME AND COST <br />Fleet size : f dozers) <br />Unit cost : $0.142 per cu. yd. <br />Unadjusted production <br />per selected method : 1,272.55 cu. yds./hour <br />Site altitude : 8,740 feet <br />Altitude adjustment : 1.00 (Cat RB) <br />Job efficiency factor : 0.83 (1 shifUday) <br />Net job correction : 0.83 multiplier <br /> <br />Adjusted unit production : 1,056.22 cu. yds./hour <br />Adjusted fleet production : 1,056.22 cu. yds./hour <br /> <br />Permit/job # : M-1984-101 <br />Abbreviation :none <br />Filename : M101-003 <br />Total job time <br />Total job cost <br />11.48 hours <br />$1,720 <br />Shift basis : 1 per day <br />Data source : (CRG) <br />