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CIRCES Cost Estimating 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 />Cost Breakdown : Ownership cost/hour : <br />Dozer operating cost/hour : <br />Ripper operating cost/hour : <br />Operator cost/hour : <br />Total unit cost/hour : <br />MATERIAL QUANTITIES <br />Alternate methods - <br />Seismic : <br />Area : <br />Utilization % <br />$86.56 NA <br />$126.50 100 <br />$8.09 100 <br />$38.54 NA <br />$259.69 Total fleet cost/hour : $1,038.77 <br />Selected estimating method : Area <br />NA Load factor : NA Bank volume : NA BCY <br />acres Rip depth (ft) : 0.60 Volume : 3,272 BCY or CCY <br />Source of estimated quantity: Map 5C-6A and 8A-2 <br />Source of estimated load factor :NA <br />HOURLY PRODUCTION <br />Alternate methods - <br />Seismic : Seismic velocity <br />Unadjusted production <br />Area : Avg. ripping depth : <br />Average ripping width : <br />Average ripping length : <br />Average dozer speed : <br />Average maneuver time : <br />Production per unit area <br />Unadjusted production <br />JOB TIME AND COST <br />NA <br />3.38 <br />Job Condition Correction Factors - <br />NA feet/second Unadjusted production <br />NA cu. yds./hour per selected method : 4,399.05 cu. yds./hour <br /> <br />2.88 feet/pass Site altitude : 7,100 feet <br />8.67 feet/pass Altitude adjustment : 1.00 (Cat HB) <br />200.00 feet/pass Job efficiency factor : 0.83 (1 shift/day) <br />88.00 feet/minute Netjob correction : 0.83 multiplier <br />0.25 minutes/pass <br />0.947 acres/hour Adjusted unit production : 3,651.21 cu. yds./hour <br />4,399.05 cu. yds./hour Adjusted fleet production : 14,604.84 cu. yds./hour <br /> <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 />