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PROJECT IDENTIFICATION <br />Task #: 076 <br />Date : 0310412010 <br />User : JDM <br />CIRCES Cost Estimating Software <br />BULLDOZER RIPPING WORK <br />State : Colorado <br />County:Moffat <br />Site : Trapper Mine <br />Permit/job #: C-1981-010 <br />Abbreviation :none <br />Filename : C010-076 <br />Agency or organization name: CDRMS <br />Permit or other job action :2010 Midterm Review <br />Task description :Rip K-Pit Haul Roads (TR-106) <br />HOURLY EQUIPMENT COST <br /> Basic machine : Cat D10R - 10SU (2005) Horsepower : 570 <br /> Blade type : Semi-Universal <br /> Attachment no. 1 :BOPS 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 Tota l fleet cost/hour : $1,038.77 <br /> <br />MATERIAL QUANTITIES <br /> Selected estimating method : Area <br />Alternate methods - <br />Seismic : NA NA Load factor : NA Bank volume : NA BCY <br />Area : 11.27 acres Rip depth (ft) : 2.50 Volume : 45,456 BCY or CCY <br /> <br />Source of estimated quantity :Appendix A TR-106 <br />Source of estimated l oad factor : NA <br /> <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 : 4,060.03 cu. yds./hour <br /> <br />Area : Avg. ripping depth : 2.50 feet/pass Site altitude : 6,400 feet <br />Average ripping width : 8.67 feet/pass Altitude adjustment : 1.00 (Cat HB) <br />Average ripping length : 500.00 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 : 1.007 acres/hour Adjusted unit production : 3,369.82 cu. yds./hour <br />Unadjusted production : 4,060.03 cu. yds./hour Adjusted fleet production : 13,479.28 cu-yds./hour <br /> <br />JOB TIME AND COST <br />Fleet size : 4 dozer(s) Total job time : 3.37 hours <br />Unit cost : $0.077 per cu. yd. Total job cost : $3,503 <br />