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CIRCES Cost Estimating Software <br />BULLDOZER RIPPING WORK <br />PROJECT IDENTIFICATION <br />Task # : 02a <br />Date : 08/10/2006 <br />User: GRM <br />Agency or organization name : DRMS ___ <br />Permif or other job action :Initial Reclamation Liability Estimate - 2006 <br />Task description :Rip 1.5 acres prior to topsoiling <br />HOURLY EQUIPMENT COST <br />State :Colorado PermiUjob # : M-2008-027 <br />County :Delta Abbreviation :none <br />Site :Wells Pit Filename : M027-02a <br />Basic machine :Cat D7R DS Series ll - 7SU <br />Blade type : Semi-Universal <br />Attachment no. 1 : ROPS Cab <br />Attachment no. 2 : 3-shank ripper <br /> Utilization <br />Cost Breakdown : Ownership cosUhour : $47.67 NA <br />Dozer operating cosUhour : $54.13 100 <br />Ripper operating cosUhour : $4.31 100 <br />OperatorcosUhour : $32.78 NA <br />Total unit cosUhour : $138.88 Total fleet cosUhour <br />MATERIAL QUANTITIES <br />Selected estimating method <br />Alternate methods - <br />Seismic : NA NA Load factor : NA Bank volume <br />Area : 1.50 acres Rip depth (ft) : 2.00 Volume <br />Source of estimated quantity :Reclamation Standards/Plan <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: 6.50 feeUpass <br />Average ripping length : 200.00 feeUpass <br />Average dozer speed: 88.00 feeUminute <br />Average maneuver time : 0.25 minutes/pass <br />Production per unit area : 0.710 acres/hour <br />Unadjusted production : 1,145.15 cu. yds./hour <br />JOB TIME AND COST <br />Fleet size : i dozer(s) <br />Unit cost : $0.146 per cu. yd. <br />Horsepower: 240 <br />Shift basis : 1 per day <br />Data source : (CRG) <br />Area <br />NA <br />4,840 <br />$138.88 <br />BCY <br />BCY or CCY <br />Unadjusted production <br />per selected method : 1,145.15 cu. yds./hour <br />Site altitude : 5,500 feet <br />Altitude adjustment : 1.00 (Cat HB) <br />Job efficiency factor : 0.83 (1 shifUday) <br />Net job correction : 0.83 multiplier <br />Adjusted unit production : 950.47 cu. yds./hour <br />Adjusted fleet production : 950.47 cu. yds./hour <br />Total job time : 5.09 hours <br />Total job cost : $707 <br />