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CIRCES Cost Estimating Software <br />BULLDOZER RIPPING WORK <br />Task # <br />Date <br />User <br />048 State :Colorado <br />10/16/2006 <br />JRS <br />County :Delta <br />Site :Bowie No. 2 Mine <br />PermiUjob # : C-96-083 <br />Abbreviation :none <br />Filename : C083-048 <br />Agency or organization name :Colorado Division Of Minerals And <br />Permit or other job action : Permif Renewa102 <br />Task description :Rip Truck Loadout/Coal Stocl <br />HOURLY EQUIPMENT COST <br />Area <br />Basic machine :Cat D9R - 9SU <br />Blade type :Semi-Universal <br />Attachment no. 1 : ROPS Cab <br />Attachment no. 2 :3-shank ripper <br />Horsepower: 405 <br />Shift basis : 1 perday <br /> Data source : (CRG) <br /> Utilization <br />Cost Breakdown : Ownership cosUhour : $56.94 NA <br />Dozer operating cosUhour : $104.98 100 <br />Ripper operating cosUhour : $9.97 100 <br />Operator cosUhour : $32.53 NA <br />Total unit cosUhour : $204.43 Total fleet cosUhour : $817.70 <br />MATERIAL QUANTITIES <br />Selected estimating method : Area <br />Altemate methods - <br />Seismic : NA NA Load factor : NA <br />Area : 5.00 acres Rip depth (ft) : 2.63 <br />Bank volume : NA BCY <br />Volume : 21,215 BCY or CCY <br />Source of estimated quantity :Map 15-1 <br />Source of estimated load factor :NA <br />HOURLY PRODUCTION ~~ <br />Alternate methods - <br />Seismic : Seismic velocity <br />Unadjusted production <br />NA feeUsecond <br />NA cu. yds./hour <br />Unadjusted production <br />per selected method : 2, 739.42 cu. yds./hour <br />Area : Avg. ripping depth : 2.63 feeUpass Site altitude : 6,000 feet <br />Average ripping width : 7.67 feeUpass Altitude adjustment : 1.00 (Cat HB) <br />Average ripping length : 50.00 feeUpass Job efficiency factor : 0.83 (1 shiH/day) <br />Average dozer speed : 88.00 feeUminute Net job correction : 0.83 multiplier <br />Average maneuver time : 0.25 minutes/pass <br />Production per unit area : 0.646 acres/hour Adjusted unit production : 2,273.72 cu. yds./hour <br />Unadjusted production : 2, 739.42 cu. yds./hour Adjusted fleet production : 9,094.88 cu. yds./hour <br />JOB TIME AND COST~~~ ~ ~~ ~~ ~~~~ ~~~ ~~ ~~ ~~~ ~ ~~~ ~ ~ ~ ~~ <br />Fleet size : 4 dozers) Total job time : 2.33 hours <br />Unit cost : $0.090 per cu. yd. Total job cost : $1,907 <br />