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CIRCES Cost Estimating Software <br />BULLDOZER RIPPING WORK <br />PROJECT IDENTIFICATION <br />Task #: 003 State : Colorado Permit/job # : M-1991-081 <br />Date : 0113112008 County :Huerfano Abbreviation :none <br />User : KAP Site : Keeling Pit Filename : M081-003 <br />Agency or organization name : Colorado Division Of Reclamation Mining And Safety <br />Permit or other job action :Bond Recalculation related to Inspection <br />Task description : Rip compacted areas <br />HOURLY EQUIPMENT COST <br />Basic machine : Cat D8R Series I/ - 8SU (200: Horsepower : 310 <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 : $57.41 NA <br />Dozer operating cost/hour : $77.13 100 <br />Ripper operating cost/hour : $6.86 100 <br />Operator cost/hour : $32.78 NA <br />Total unit cost/hour : $174.18 Total fleet cost/hour : $174.18 <br />MATERIAL QUANTITIES <br />Selected estimating method : Area <br />Alternate methods - <br />Seismic : NA NA Load factor : NA Bank volume <br />Area : 4.00 acres Rip depth (ft) : 1.50 Volume <br />NA <br />9,680 <br />BCY <br />BCY or CCY <br />Source of estimated quantity :Inspection <br />Source of estimated load factor : NA <br />HOURLY PRODUCTION <br />Alternate methods - <br />Seismic: Seismic velocity : NA feet/second <br />Unadjusted production : NA cu. yds./hour <br /> <br />Area : Avg. ripping depth : 1.50 feet/pass <br />Average ripping width : 7.08 feet/pass <br />Average ripping length : 500.00 feet/pass. <br />Average dozer speed : 88.00 feet/minute <br />Average maneuver time : 0.25 minutes/pass <br />Production per unit area : 0.822 acres/hour <br />;ondition Correction Fa <br />Unadjusted production <br />. per selected method <br />Site altitude <br />Altitude adjustment <br />Job efficiency factor <br />Net job correction <br />Adjusted unit production <br />1,989.27 cu. yds./hour <br />7,600 feet <br />1.00 (Cat HB) <br />0.83 (1 shift/day) <br />0.83 <br />1,651.10 multiplier <br />cu. yds./hour <br />Unadjusted production : 1,989.27 cu. yds./hour Adjusted fleet production : 1,651.10 cu. yds./hour <br />JOB TIME AND COST <br />Fleet size : 1 dozer(s) Total job time : 5.86 hours <br />Unit cost : $0.105 per cu. yd. Total job cost : $1,021