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PROJECT IDENTIFICATION <br />Task # : 42a <br />Date : 0912512009 <br />User: JHB <br />CIRCES Cost Estimating Software <br />BULLDOZER RIPPING WORK <br />State : Colorado <br />County : Weld <br />Site: Keenesburq Strip Mine <br />Permit/job # : C-1981-028 <br />Abbreviation :none <br />Filename : C028-42a <br />Agency or organization name : Division Of Reclamation, Mining And Safety <br />Permit or other job action : SL4 <br />Task description : Rip 10,480 feet of internal roads <br />HOURLY EQUIPMENT COST <br />Basic machine : Cat D9R - 9SU (2005) Horsepower : 405 <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 />- <br />Utilization % <br />Cost Breakdown : Ownership cost/hour : $66.95 NA <br />Dozer operating cost/hour : $126.10 100 <br />Ripper operating cost/hour : $8.11 100 <br />Operator cost/hour : $38.54 NA <br />Total unit cost/hour : $239.70 Total fleet cost/hour : $239.70 <br />MATERIAL QUANTITIES <br /> Selected estimating method : Area <br />Alternate methods - <br />Seismic : NA NA Load factor : NA Bank volume : NA BCY <br />Area : 12.00 acres Rip depth (ft) : 1.50 Volume : 29,040 BCY or CCY <br /> <br />Source of estimated quantity :Permit Maps <br />Source of estimated l oad 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 : 2,155.04 cu. yds./hour <br /> <br />Area : Avg. ripping depth : 1.50 feet/pass Site altitude : 5,000 feet <br />Average ripping width : 7.67 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 : 0.891 acres/hour Adjusted unit production : 1,788.69 cu. yds./hour <br />Unadjusted production : 2,155.04 cu. yds./hour Adjusted fleet production : 1,788.69 cu. yds./hour <br /> <br />JOB TIME AND COST <br />Fleet size : 1 dozer(s) Total job time : 16.24 hours <br />Unit cost : $0.134 per cu. yd. Total job cost : $3,892 <br />