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3 <br />PROJECT IDENTIFICATION <br />Task # : 015 <br />Date : 0312612009 <br />User : JRS <br />CIRCES Cost Estimating Software <br />BULLDOZER RIPPING WORK <br />State : Colorado <br />County :Garfield <br />Site: Mcclane Canyon Mine <br />Permit/job # : C-1980-004 <br />Abbreviation :none <br />Filename :0004-015 <br />Agency or organization name : Colorado Division Of Reclamation, Minim <br />Permit or other job action :2009 Midterm Review <br />Task description : Rip McClane to Munger Haul Road <br />HOURLY EQUIPMENT COST <br />Basic machine : Cat D9R - 9SU (2005) Horsepower : 405 <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 : $70.58 NA <br />Dozer operating cost/hour : $103.27 100 <br />Ripper operating cost/hour : $7.52 100 <br />Operator cost/hour : $32.78 NA <br />Total unit cost/hour : $214.14 Total fleet cost/hour : $214.14 <br />MATERIAL QUANTITIES <br />Selected estimating method : Area <br />Alternate methods - <br />Seismic : NA NA Load factor : NA Bank volume : NA BCY <br />Area : 0.48 acres Rip depth (ft) : 2.00 Volume : 1,549 BCY or CCY <br />Source of estimated quantity :Figure 2-2-2, Operator Estimate <br />Source of estimated l oad 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 : 3,553.84 cu. yds./hour <br />Area : Avg. ripping depth : 2.63 feet/pass Site altitude : 5,600 feet <br />Average ripping width : 7.67 feet/pass Altitude adjustment : 1.00 (Cat HB) <br />Average ripping length : 200.00 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/pas: <br />Production per unit area : 0.838 acres/hour <br />Unadjusted production : 3,553.84 cu. yds./hour <br />JOB TIME AND COST <br />Fleet size : 1 dozer(s) <br />Unit cost : $0.073 per cu. yd. <br />And Safety <br />Adjusted unit production : 2,949.69 cu. yds./hour <br />Adjusted fleet production : 2,949.69 cu. yds./hour <br />Total job time <br />Total job cost <br />0.53 hours <br />$112