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CIRCES Cost Estimating Software <br />BULLDOZER RIPPING WORK <br />Task # : 03c State :Colorado <br />Date : 04/29/2002 County :Grand <br />User : ESC Site :Henderson Mine <br />Agency or organization name :DMG <br />Permit or other job action :Reevaluate amount of required bond <br />Task description :Rip Portal Facility Area <br />HOURLY EQUIPMENT COST <br />Basic machine :Cat D8R - 8SU <br />Blade type :Semi-Universal <br />Attachment no. 1 : ROPS Cab <br />Attachment no. 2 :3-shank riooer <br /> Utilization <br />Cost Breakdown : Ownership cosUhour : $49.50 NA <br />Dozer operating cosUhour : $65.98 100 <br />Ripper operatingcosUhour : $750 100 <br />Operator cosUhour : $27.99 NA <br />7ota1 unit cosUhour : $150.97 Total tleet costfhour <br />MATERIAL QUANTITIES <br />Alternate methods - <br />Seismic : NA NA <br />Area : 21.00 acres <br />Selected estimating method <br />Load factor : NA Bank volume <br />Rip depth (ft) : 3.00 Volume <br />Area <br />NA <br />101,640 <br />$150.97 <br />BCY <br />BCY or CCY <br />Source of estimated quantity :DMG Estimate <br />Source of estimated load factor : NA <br />HOURLY PRODUCTION <br />Alternate methods - <br />Seismic : Seismic velocity <br />Unadjusted production <br />Area : Avg. ripping depth <br />Average ripping width <br />Average ripping length <br />Average dozer speed <br />Average maneuver time <br />Production per unit area <br />Unadjusted production <br />NA feeUsecond <br />NA cu. yds./hour <br />2.56 feeUpass <br />7.08 feeVpass <br />50.00 feet/pass <br />88.00 feeUminute <br />0.25 minutes/pass <br />0.596 acres/hour <br />2,461.39 cu. yds./hour <br />Unadjusted production <br />per selected method : 2,461.39 cu. yds./hour <br />Site altitude : 9,000 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 : 2,042.96 cu. yds./hour <br />Adjusted fleet production : 2,042.96 cu. yds./hour <br />JOB TIME AND COST <br />Fleet size : 1 dozers) Total job time <br />Unit cost : $0.074 per cu. yd. Total job cost <br />Permit/job # : M-1977-342 <br />Abbreviation :none <br />Filename : M342-03c <br />49.75 hours <br />$7,511 <br />Horsepower: 305 <br />Shift basis : 1 per day <br />Data source : (CRG) <br />