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CIRCES Cost Estimating Software <br /> <br />• BULLDOZER RIPPING WORK <br /> <br />:.:::::.................................................................................................................................................................... <br /> <br />.............................. <br /> PROJECT IDENTIFICATION <br /> Task # : 002 State :Colorado Permit/job # : C-81-035 <br /> Date : 07/11/2007 County :La Plata Abbreviation :none <br /> User : TAK Site :Colorado Filename : C035-002 <br /> <br /> Agency or organization name :Colorado Division Of Reclamation Mining And Safety <br /> Permit or other job action :Permit Renewal <br /> Task description :Rip 12" in upper facility area <br /> <br /> HOURLY EQUIPMENT COST <br /> Basic machine :Cat D8R Series 11 - 8SU (200; Horsepower : 310 <br /> Blade type :Semi-Universal <br /> Attachment no. 1 : ROPS Cab Shift basis : 1 per day <br /> Attachment no. 2 :3-shank ripper <br /> Data source : (CRG) <br /> Utilization <br /> Cost Breakdown : Ownership cost/hour : $58.24 NA <br /> Dozer operating cost/hour : $73.75 100 <br /> Ripper operating cost/hour : $6.85 100 <br /> Operator cost/hour : $32.78 NA <br /> Total unit cost/hour : $171.63 Total fleet cost/hour : $171.63 <br /> <br />• ............................................................................................................................................................................ <br />z>' ............................. <br /> MATERIAL <br />UANTITIES <br />Q <br /> Selected estimating method : Area <br /> Alternate methods - <br /> Seismic : NA NA Load factor : NA Bank volume : NA BCY <br /> Area : 1.96 acres Rip depth (ft) : 1.00 Volume : 3,162 BCY or CCY <br /> Source of estimated quantity :Map C-6 <br /> Source of estimated load factor :NA <br /> <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 />1.00 feet/pass <br />7.08 feet/pass <br />300.00 feet/pass <br />88.00 feet/minute <br />0.25 minutes/pass <br />0.800 acres/hour <br />1,289.94 cu. yds./hour <br />Unadjusted production <br />per selected method <br />Site altitude <br />Altitude adjustment <br />Job efficiency factor <br />Net job correction <br />Adjusted unit production <br />Adjusted fleet production <br />~~~ ~ - <br />1,289.94 cu. yds./hour <br />7,400 feet <br />1.00 (Cat HB) <br />0.83 (1 shift/day) <br />0.83 multiplier <br />1, 070.65 <br />1,070.65 <br />cu. yds./hour <br />cu. yds./hour <br />JOB TIME AND COST <br />Fleet size : 1 dozers) Total job time : 2.95 hours <br />Unit cost : $0.160 per cu. yd. Total job cost : $507 <br />