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CIRCES Cost Estimating Software <br />BULLDOZER RIPPING WORK <br />PROJECT IDENTIFICATION <br />Task # : 04b <br />Date : 05/28/2002 <br />User : ESC <br />State :Colorado <br />County :Grand <br />Site :Henderson Mine <br />Agency or organization name : DMG <br />Permit or other job action :Reevaluate amount of required bond <br />Task description :Rip Surtace Railroad Area <br />HOURLY EQUIPMENT COST <br />MATERIAL QUANTITIES <br />Alternate methods - <br />Seismic : <br />Area <br />Basic machine : Cat DBR - 8SU <br />Blade type : Semi-Universal <br />Attachment no. 1 : ROPS Cab <br />Attachment no. 2 : 1-shank ripper <br /> Utilization <br />Cost Breakdown : Ownership cost/hour : $50.41 NA <br />Dozer operating cosUhour : $65.98 100 <br />Ripper operating cosUhour : $9.78 100 <br />OperatorcosUhour : $27.99 NA <br />Total unit cosUhour : $154.Y7 Total fleet cosUhour <br />NA NA <br />36.00 acres <br />Load factor <br />Rip depth (ft) <br />Source of estimated quantity :Orig. 9-18 <br />Source of estimated toad factor : NA <br />HOURLY PRODUCTION <br />Alternate methods - <br />Seismic : Seismic velocity : NA feeUsecond <br />Unadjusted production : NA cu. yds./hour <br /> <br />Area : Avg. ripping depth : 2.00 feeUpass <br />Average ripping width : 5.56 feeVpass <br />Average ripping length : 100.00 feeUpass <br />Average dozer speed: 88.00 feeUminute <br />Average maneuver time : 0.25 minutes/pass <br />Production per unit area : 0.552 acres/hour <br />Unadjusted production : 1,782.44 cu. yds./hour <br />JOB TIME AND COST <br />Fleet size : 1 dozers) <br />Unit cost : $0.104 per cu. yd. <br />PermitCob # : M-1977-342 <br />Abbreviation :none <br />Filename : M342-046 <br />Selected estimating method : Area <br />$154.17 <br />NA Bank volume : NA BCY <br />2.00 Volume : 116,160 BCY or CCY <br />Unadjusted production <br />per selectetl method : 1,782.44 cu. yds./hour <br />Site altitude : 8,500 feet <br />Altitude adjustment : 1.00 (Cat HB) <br />Job efficiency factor : 0.83 (1 shiff/day) <br />Net job correction : 0.83 multiplier <br /> <br />Adjusted unit production : 1,479.43 cu. yds./hour <br />Adjusted fleet production : 7,479.43 cu. yds./hour <br /> <br />Totat job time <br />Total job cost <br />Horsepower: 305 <br />Shift basis : 1 per day <br />78.52 hours <br />$12,1os <br />Data source : (CRG) <br />