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CIRCES Cost Estimating Software <br />BULLDOZER RIPPING WORK <br />PROJECT IDENTIFICATION <br />Task # : 01a State : Colorado Permit/job # : M-1998-034 <br />Date : 0610212008 County : Grand Abbreviation : none <br />User : THM Site : Parshall Pit Filename : M034-01a <br />Agency or organization name : DRMS <br />Permit or other job action : Final Reclamation Cost Update <br />Task description : Rip 5 acres of pit floor <br />HOURLY EQUIPMENT COST <br />Basic machine : Cat D8R Series 11 - 8SU (200 <br />Blade type : Semi-Universal <br />Attachment no. 1 : BOPS Cab <br />Attachment no. 2 :3-shank ripper <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 />Horsepower : 310 <br />Shiftbasis : 1 per day <br /> Data source : (CRG) <br /> Utilization % <br />$57.41 NA <br />$77.13 100 <br />$6.86 100 <br />$32.78 NA <br />$174.18 Total fleet cost/hour : $174.18 <br />Selected estimating method : Area <br />NA NA <br />5.00 acres <br />Load factor : NA Bank volume <br />Rip depth (ft) : 1.00 Volume <br />NA <br />8,067 <br />BCY <br />BCY or CCY <br />Source of estimated quantity : Reclamation plan <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 : 1,326.18 cu. yds./hour <br /> <br />Area : Avg. ripping depth : 1.00 feet/pass Site altitude : 8,100 feet <br />Average ripping width : 7.08 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 : 0.822 acres/hour Adjusted unit production : 1,100.73 cu. yds./hour <br />Unadjusted production : 1,326.18 cu. yds./hour Adjusted fleet production : 1,100.73 cu. yds./hour <br /> <br />JOB TIME AND COST <br />Fleet size : 1 dozer(s) Total job time: 7.33 hours <br />Unit cost : $0.158 per cu. yd. Total job cost : $1,276 <br />