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CIRCES Cost Estimating Software <br />BULLDOZER RIPPING WORK <br />PROJECT IDENTIFICATION <br />Task #: 02a State :Colorado Permit/job #:M-2008-050 <br />Date <br />User <br />0811512008 <br />County : Mesa Abbreviation :none <br />Site :October Ore Pile Filename :M050-02a <br />GRM <br />Agency or organization name :DRMS <br />Permit or other job action :Final Reclamation Liability Estimate <br />Task description :rip 0.46 acres of disturbance and footprint <br />.. <br />HOURLY EQUIPMENT COST <br />Basic machine: Cat D7R DS Series 11 - 7SU Horsepower : 240 <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 : $46.68 NA <br /> Dozer operating cost/hour : $56.19 100 <br />Ripper operating cost/hour : $4.30 100 <br /> Operator cost/hour : $32.78 NA <br /> Total unit cost/hour : $139.95 Total fl eet cost/hour : $139.95 <br />MATERIAL QUANTITIES <br /> Selected estimating method : Area <br />Alternate methods - <br />Seismic : NA NA Load factor : NA Bank volume : NA BCY <br />Area : 0.46 acres Rip depth (ft) : 1.00 Volume : 742 BCY or CCY <br /> <br />Source of estimated quantity :standard minimum requirement _ <br />Source of estimated load factor :NA <br /> <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 : 1,041.89 cu. yds./hour <br /> <br />Area : Avg. ripping depth : 1.00 feet/pass Site altitude : 6,800 feet <br />Average ripping width : 6.50 feet/pass Altitude adjustment : 1.00 (Cat HB) <br />Average ripping length : 100.00 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 : 0.646 acres/hour Adjusted unit production : 864.77 cu. yds./hour <br />Unadjusted production : 1,041.89 cu. yds./hour Adjusted fleet production : 864.77 cu. yds./hour <br /> <br />JOB TIME AND COST <br />Fleet size : 1 dozer(s) Total job time : 0.86 hours <br />Unit cost : $0.162 per cu. yd. Total job cost : $120