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CIRCES Cost Estimating Software <br />BULLDOZER RIPPING WORK <br />PROJECT IDENTIFICATION <br />Task # : D16 <br />Date : 08/01/2001 <br />User: JHB <br />State :Colorado PermiUjob # : C-81-012 ' <br />County :Las Animas Abbreviation :none <br />Site :New E/k Mine Filename : C012-016 <br />Agency or organization name :Colorado Division Ot Minerals And Geology <br />Permit or otherjob action :2001 Mid-Term <br />Task description :Rip Roads: 2.38 ac. L.U., 2.96 ac. H., 2.63 ac. A. <br />Basic machine :Cat D8R - BSU <br />Blade type :Semi-Universal <br />Attachment no. 1 : ROPS Cab <br />Attachment no. 2 :3-shank ripper <br />Cost Breakdown : Ownership cost/hour <br />Dozer operating cost hour <br />Ripper operating cosVhour <br />OperatorcosVhour <br />Total unit cosUhour <br />Horsepower: 305 <br />(CRG) <br />Shift basis : 1 per day <br />Data source <br />' Utilization <br />$49.50 NA <br />$65.98 100 <br />$7.50 100 <br />$27.99 NA <br />$150.97 Total fleet cosUhour <br />Selected estimating method : Area <br />Alternate methods - <br />Seismic : NA NA <br />Area : 7.98 acres <br />Source of estimated quantity <br />Source of estimated load Tactor <br />$150.97 <br />Load factor : NA Bank volume : NA BCY <br />Rip depth (ft) : 1.50 Volume : 19,312 BCY or CCY , <br />lap 11, Permit pages 2.05-50. 2.05-8 <br />Alternate methods - Job Condition Correction Factors - <br />Seismic : Seismic velocity : NA feetlsecond Unadjusted production <br />Unadjusted production : NA cu. yds./hour per selected method : 1,989.27 cu. yds.thour <br /> <br />Area : Avg. ripping depth : 1.50 feeVpass Site altitude : 7, 400 feet <br />Average ripping width : 7.08 feeVpass Altitude adjustment : 1.00 (Cat HB) <br />Average ripping length : 500.00 feeVpass Job efficiency factor : 0.83 (1 shift/day) <br />Average dozer speed : 88.00 feeUminute Net job correction : 0.83 multiplier <br />Average maneuver time : 0.25 minutes/pass <br />Productlon per unit area : 0.822 acres/hour Adjusted unit production : 1,651.10 cu. yds./hour <br />Unadjusted production : 1,989.27 cu. yds./hour Adjusted fleet production : 1,651.10 cu. yds./hour <br />}~ n. :F.Sii.: ~UiT~f~'F11~:5 - ~a~A +FY . ~+'Y~~`.~~ ~d~ vS. ~~ ~e~ :%1 <br />OB TIME AND COST <br />Fleet size : 1 dozers) Total job time : 11.70 hours <br />Unit cost : $0.091 per cu, yd. Total job cost : $1,766 <br /> <br /> ~x k ~ _3o a~~,s~ yio z <br />