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CIRCES Cost Estimatinct Software <br /> BULLDOZER RIPPING WORK <br />::::::.................................................................................................................................................................... <br />........................... <br /> PROJECT IDENTIFICATION <br /> Task # : 280 State :Colorado Permit/job # : C-81-035 <br /> Date : 08/13/2007 County : La Plata Abbreviation :none <br /> User : TAK Site :King Coal Mine Filename : C035-280 <br /> Agency or organization name :Colorado Division Of Reclamation, Mining And Safety <br /> Permit or other job action : RN-05 <br /> Task description :Rip gravelled coal sales area <br /> HOURLY EQUIPMENT COST <br /> Basic machine :Cat D8R Series 11 - 8SU 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 : $53.92 NA <br /> Dozer operating cost/hour : $75.29 100 <br /> Ripper operating cost/hour : $7.98 100 <br /> Operator cost/hour : $32.53 NA <br /> Total unit cost/hour : $169.72 Total fleet cost hour : $169.72 <br /> ............................................................................................................................................................................................. <br /> MATERIAL QUANTITIES <br /> Selected estimating method : Area <br /> Alternate methods - <br /> Seismic : NA NA Load factor : NA Bank volume : NA BCY <br /> Area : 0.80 acres Rip depth (ft) : 1.00 Volume : 1,291 BCY or CCY <br /> Source of estimated quantity :Surface features map <br /> Source of estimated load factor :NA <br />i <br />HOURLY PRODUCTION <br />Alternate methods - <br />Seismic : Seismic velocity <br />Unadjusted production <br />NA feet/second <br />NA cu. yds./hour <br />Unadjusted production <br />per selected method : 1,207.44 cu. yds./hour <br />Area : Avg. ripping depth : 1.00 feet/pass Site altitude : 7,300 feet <br />Average ripping width : 7.08 feet/pass Altitude adjustment : 1.00 (Cat HB) <br />Average ripping length : 150.00 feet/pass Job efficiency factor : 0.83 (1 shift/day) <br />Average dozer speed : 88.00 feet/minute Net job correction : 0.83 multiplier <br />Average maneuver time : 0.25 minutes/pass <br />Production per unit area : 0.748 acres/hour Adjusted unit production : 1,002.18 cu. yds./hour <br />Unadjusted production : 1,207.44 cu. yds./hour Adjusted fleet production : 1,002.18 cu. yds./hour <br /> <br />JOB TIME AND COST <br />Fleet size : 1 dozers) Total job time : 1.29 hours <br />Unit cost : $0.169 per cu. yd. Total job cost : $219 <br /> <br />