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CIRCES Cost Estimating Software <br />BULLDOZER RIPPING WORK <br />PROJECT IDENTIFICATION <br />Task # : 03a State :Colorado Permit/job #:M-1983-159 <br />Date <br />User <br />0811012010 <br />GRM <br />County :Montrose <br />Site :Gleason Pit <br />Agency or organization name: DRMS _ <br />Permit or other job action :Final Reclamation Liability Estimate-2010 update <br />Task description :rip and rough grade 8 acres disturbance <br />HOURLY EQUIPMENT COST <br />Basic machine : Cat D8R Series 11 - 8SU (200: Horsepower : 310 <br />Blade type : Semi-Universal <br />Attachment no. 1 : ROPS Cab Shiftbasis : 1 per day <br />Attachment no. 2 :3-shank ripper <br />Data source : (CRG) <br />Utilization % <br />Cost Breakdown : Ownership cost/hour : $53.54 NA <br />Dozer operating cost/hour : $70.36 100 <br />Ripper operating cost/hour : $6.29 100 <br />Operator cost/hour : $38.54 NA <br />Total unit cost/hour : $168.72 Total fleet cost/hour : $168.72 <br />MATERIAL QUANTITIES <br />Selected estimating method : Area <br />Alternate methods - <br />Seismic : NA NA Load factor : NA Bank volume <br />Area : 8.00 acres Rip depth (ft) : 2.00 Volume <br />NA <br />25,813 <br />BCY <br />BCY or CCY <br />Source of estimated quantity :n1a <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 : 1,134.86 cu. yds./hour <br />Area : Avg. ripping depth : 1.00 feet/pass Site altitude : 6,560 feet <br />Average ripping width : 7.08 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 : 0.703 acres/hour Adjusted unit production : 941.94 cu. yds./hour <br />Unadjusted production : 1,134.86 cu. yds./hour Adjusted fleet production : 941.94 cu. yds./hour <br />JOB TIME AND COST <br />Fleet size : 1 dozer(s) Total job time : 27.40 hours <br />Unit cost : $0.179 per cu. yd. Total job cost : $4,624 <br /> <br />Abbreviation :none <br />Filename :M159-03a