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CIRCES Cost Estimatina Software <br />BULLDOZER RIPPING WORK <br />PROJECT IDENTIFICATION <br />Task #: 057 State :Colorado Permit/job # : C-1981-038 <br />Date : 1210212010 County :Delta Abbreviation :none <br />User : JRS Site :Bowie No. 1 Mine Filename :C038-057 <br />Agency or organization name : Colorado Division Of Reclamation, Mining And Safety <br />Permit or other job action :2010 Midterm Review (MT-6) <br />Task description :Rip Outslope of Haul Road <br />HOURLY EQUIPMENT COST <br />Basic machine : Cat D10R - 10SU (2005) Horsepower : 570 <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 />- <br />Utilization % <br />Cost Breakdown : Ownership cost/hour : $86.56 NA <br />Dozer operating cost/hour : $126.50 100 <br />Ripper operating cost/hour : $8.09 100 <br />Operator cost/hour : $38.54 NA <br />Total unit cost/hour : $259.69 Total fleet cost/hour : $1,038.77 <br />MATERIAL QUANTITIES <br />Alternate methods - <br />Seismic : NA NA Load factor : <br />Area : 3.38 acres Rip depth (ft) : <br />Source of estimated quantity: Map 5C-6A and 8A-e <br />Source of estimated load factor : NA <br />HOURLY PRODUCTION <br />Alternate methods - Job <br />Seismic : Seismic velocity: NA feettsecond Unadjusted production <br />Unadjusted production : NA cu. yds./hour per selected method : 4,399.05 cu. yds./hour <br /> <br />Area : Avg. ripping depth : 2.88 feet/pass Site altitude : 7,100 feet <br />Average ripping width : 8.67 feet/pass Altitude adjustment : 1.00 (Cat HB) <br />Average ripping length : 200.00 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 : 0.947 acres/hour Adjusted unit production : 3,651.21 cu. yds./hour <br />Unadjusted production : 4,399.05 cu. yds./hour Adjusted fleet production : 14,604.84 cu. yds./hour <br /> <br />JOB TIME AND COST <br />Fleet size : 4 dozer(s) Total job time : 0.22 hours <br />Unit cost : $0.071 per cu. yd. Total job cost : $233 <br /> <br />Selected estimating method <br />0.60 <br />Bank volume <br />Volume <br />Area <br />NA BCY <br />3,272 BCY or CCY