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PROJECT IDENTIFICATION <br />Task #: 060 <br />Date : 1110212009 <br />User : JRS <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 Utility Bench <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 /> 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 : 0.75 a cres Rip depth (ft) : 2.63 Volume : 3,182 BCY or CCY <br />Source of estimated quantity: Map 15-2 <br />Source of estimated load factor : NA _ <br />HOURLY PRODUCTION <br />Alternate methods - Job Condition Correction Factors - <br />Seismic : Seismic velocity: NA feet/second Unadjusted production <br />Unadjusted production : NA cu. yds./hour per selected method : 3,390.93 cu. yds./hour <br />Area : Avg. ripping depth : 2.88 feet/pass Site altitude : 6,800 feet <br />Average ripping width : 8.67 feet/pass Altitude adjustment : 1.00 (Cat HB) <br />Average ripping length : 50.00 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 : 625 minutes/pass <br />Production per unit area : 0.730 acres/hour Adjusted unit production : 2,814.47 cu. yds./hour <br />Unadjusted production : 3,390.93 cu. yds./hour Adjusted fleet production : 11,257.90 cu. yds./hour <br />JOB TIME AND COST <br />Fleet size : 4 dozer(s) Total job time : 0.28 hours <br />Unit cost : $0.092 per cu. yd. Total job cost : $294 <br />CIRCES Cost Estimating Software <br />BULLDOZER RIPPING WORK <br />State : Colorado <br />County :Delta <br />Site :Bowie No. 2 Mine <br />Permit/job # : C-96-083 <br />Abbreviation :none <br />Filename : C083-060