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CIRCES Cost Estimating Software <br />BULLDOZER RIPPING WORK <br />PROJECT IDENTIFICATION <br />Task # : 003 <br />Date : 12/23/2002 <br />User : TAS <br />State :Colorado <br />County :Weld <br />Site :Cottonwood Pit <br />PermiUjob # : M-1988-042 <br />Abbreviation :none <br />Filename : M042-003 <br />Agency or organization name :Division Of Minerals & Geology <br />Permit or other job action : Fina! Reclamation <br />Task description :Rip 54 acre plant site to relieve com <br />HOURLY EQUIPMENT COST <br />Basic machine :Cat D8R - 8U <br />Blade type :Universal <br />Attachment no. 1 : ROPS Cah <br />Attachment no. 2 :3-shank riooe <br />MATERIAL QUANTITIES <br />Selected estimating method : Area <br />Alternate methods - <br />Seismic <br />Area <br />Horsepower: 305 <br />Shift basis : i per day <br /> Data source : (CRG) <br /> Utilization <br />Cost Breakdown : Ownership cosVhour : $48.72 NA <br />Dozer operating cosf/hour : $61.57 100 <br />Ripper operating cosVhour : $757 100 <br />Operatorcost/hour : $30.65 NA <br />Total unit cosVhour : $148.50 Total fleet cosf/hour : $297.00 <br /> <br />NA NA <br />54.00 acres <br />Load factor : NA Bank volume : NA BCY <br />Rip depth (ft) : i.50 Volume : 130,680 BCY or CCY <br />Source of estimated quantity :per <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 : 0.75 feeUpass <br />Average ripping width : 708 feeUpass <br />Average ripping length : 300.00 feetpass <br />Average dozer speed : 88.00 feeUminute <br />Average maneuver time : 0.25 minutes/pass <br />Production per unit area : 0.800 acres/hour <br />Unadjusted production : 96745 cu. yds./hour <br />JOB 71ME AND COST <br />Fleet size : 2 dozers) <br />Unit cost : $0.185 per cu. yd. <br />Unadjusted production <br />per selected method : 96745 cu. yds./hour <br />Site altitude : 6,000 feet <br />Altitude adjustment : 1.00 (Cat HB) <br />Job efficiency factor : 0.83 (1 shift/day) <br />Net job correction : 0.83 multiplier <br /> <br />Adjusted unit production <br />Adjusted fleet production <br />802.99 <br />1,605.97 <br />cu. yds./hour <br />cu. yds./hour <br />To[al job time : 81.37 hours <br />Total job cost : $24,167 <br />