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CIRCES Cost Estimating Software <br />BULLDOZER RIPPING WORK <br />Task # 003 State : Colorado <br />Date : 0212612009 County :Huerfano <br />User : KAP Site : Mc Kenna Limestone <br />Permit/job # :M-2000-039 <br />Abbreviation :none <br />Filename :M039-003 <br />Agency or organization name : Colorado Division Of Reclamation Mining Arid Safety <br />Permit or other job action : Bond recalculatin related to inspection <br />Task description : Rip compacted areas <br />Basic machine : Cat D9R - 9SU (2005) Horsepower : 405 <br />Blade type : Semi-Universal <br />Attachment no. 1 :ROPS Cab Shiftbasis : 1 perday <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 : 3.00 acres Rip depth (ft) : 1.00 Volume : 4,840 BCY or CCY <br /> <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 : 1,397.43 cu. yds./hour <br />Area : Avg. ripping depth : 1.00 feet/pass Site altitude : 6.000 feet <br />Average ripping width : 7.67 -feet/pass Altitude adjustment : 1.00 (Cat HB) <br />Average ripping length : 300.00 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 : 0.866 acres/hour Adjusted unit production : 1.159.87 cu. yds./hour <br />Unadjusted production : 1,397.43 cu. yds./hour Adjusted fleet production : 1,159.87 cu yds./hour <br /> <br /> <br />JOB TIME AND COST <br />Fleet size : 1 dozer(s) Total job time : 4.17 hours <br />Unit cost : $0.185 per cu. yd. Total job cost : $894 <br /> <br />