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CIRCES Cost Estimating Software <br />BULLDOZER RIPPING WORK <br />PROJECT IDENTIFICATION <br />Task # : 041 State : Colorado Permit/job # : C-1981-038 <br />Date : 1210212010 County:Delta Abbreviation :none <br />User : JRS Site :Bowie No. 1 Mine Filename :C038-041 <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 Roads <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 />Alternate methods - <br />Seismic : NA NA Load factor <br />Area : 0.55 acres Rip depth (ft) <br />HOURLY PRODUCTION <br />Alternate methods - <br />Selected estimating method : Area <br />NA Bank volume <br />2.00 Volume <br />NA BCY <br />1,775 BCY or CCY <br />Seismic : Seismic velocity: NA feet/second <br />Unadjusted production : NA cu. yds./hour <br /> <br />Area : Avg. ripping depth : 2.88 feet/pass <br />Average ripping width : 8.67 feet/pass <br />Average ripping length : 200.00 feet/pass <br />Average dozer speed : 88.00 feet/minute <br />Average maneuver time : 0.25 minutes/pass <br />Production per unit area : 0.947 acres/hour <br />Unadjusted production : 4,399.05 cu. yds./hour <br />JOB TIME AND COST <br />Fleet size : 4 dozer(s) <br />Unit cost : $0.071 per cu. yd. <br /> <br />Source of estimated quantity : Map 8-1 <br />Source of estimated load factor : NA <br />/VI IVIIIVII VVII VVLIVII 1 OVIVI0- <br />Unadjusted production <br />per selected method : 4,399.05 cu. yds./hour <br /> <br />Site altitude : 7,000 feet <br />Altitude adjustment : 1.00 (Cat HB) <br />Job efficiency factor : 0.83 (1 shift/day) <br />Net job correction : 0.83 multiplier <br />Adjusted unit production <br />Adjusted fleet production <br />Total job time <br />Total job cost <br />3,651.21 cu. yds./hour <br />14,604.84 cu. yds./hour <br />0.12 hours <br />$126