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CIRCES Cost Estimating Software <br />BULLDOZER RIPPING WORK <br />PROJECT IDENTIFICATION <br />Task #: 063 <br />Date : 1110212009 <br />User: JRS <br />State : Colorado <br />County :Delta <br />Site :Bowie No. 2 Mine <br />Agency or organization name : Colorado Division Of Reclamation, Mining And Safety <br />Permit or other job action :2009 Midterm Review <br />Task description : Rip Regraded Mine Area Prior to Topsoil Replacement <br />HOURLY EQUIPMENT COST <br />Basic machine: Cat D10R - 10SU (2005) <br />Blade type : Semi-Universal <br />Attachment no. 1 :ROPS Cab <br />Attachment no. 2 :3-shank ripper <br />Horsepower <br />570 <br />Shiftbasis : 1 per day <br />Data source : (CRG) <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 />Selected estimating method : Area <br />Alternate methods - <br />Seismic : NA NA Load factor : NA Bank volume : NA BCY <br />Area : 169.00 a cres Rip depth (ft) : 2.63 Volume : 717,078 BCY or CCY <br />Source of estimated quantity: Total Regraded Area (Ripping per Page 2.05-48) <br />Source of estimated load factor :NA <br />HOURLY PRODUCTION <br />Alternate methods- Job Condition Correction Factors - <br />Seismic : Seismic velocity: NA feettsecond Unadjusted production <br />Unadjusted production : NA cu. yds./hour per selected method : 4,002.41 cu. yds./hour <br />Area : Avg. ripping depth : 2.88 feet/pass Site altitude : 6,500 feet <br />Average ripping width : 8.67 feet/pass Altitude adjustment : 1.00 (Cat HB) <br />Average ripping length : 100.00 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 : 0.861 acres/hour Adjusted unit production : 3,322.00 cu. yds./hour <br />Unadjusted production : 4,002.41 cu. yds./hour Adjusted fleet production : 13,288.01 cu. yds./hour <br />JOB TIME AND COST <br />Fleet size : 4 dozer(s) Total job time : 53.96 hours <br />Unit cost : $0.078 per cu. yd. Total job cost : $56,056 <br />Permit/job # : C-96-083 <br />Abbreviation :none <br />Filename :C083-063