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CIRCES Cost Estimating Software <br />BULLDOZER RIPPING WORK <br />PROJECT IDENTIFICATION <br />Task #: 003 State : Colorado Permit/job # : M-2008-010 <br />Date <br />User <br />06/1612008 <br />KAP <br />Agency or organization name: Colorado Division Of Reclamation Mining And Safety <br />Permit or other job action :New <br />Task description :Rip compacted areas <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 <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 : NA BCY <br />Area : 20.00 acres Rip depth (ft) : 1.00 Volume : 32,267 BCY or CCY <br />Source of estimated quantity : Reclamation Plan <br />Source of estimated load factor :NA <br />HOURLY PRODUCTION <br />Alternate methods - <br />Seismic: Seismic velocity <br />Unadjusted production <br />Area : Avg. ripping depth <br />Average ripping width <br />Average ripping length <br />Average dozer speed <br />Average maneuver time <br />County :Montezuma <br />Site : Mud Creek Pit <br />NA feet/second <br />NA cu. yds./hour <br />1.00 feet/pass <br />7.08 feet/pass <br />400.00 feet/pass <br />88.00 feet/minute <br />0.25 minutes/pass <br />Unadjusted production <br />per selected method <br />Site altitude <br />Altitude adjustment <br />Job efficiency factor <br />Net job correction <br />Shift basis : 1 per day <br />1,312.35 cu. yds./hour <br />6,800 feet <br />1.00 (Cat HB) <br />0.83 (1 shift/day) <br />0.83 multiplier <br />Production per unit area : 0.813 acres/hour Adjusted unit production : 1,089.25 cu. yds./hour <br />Unadjusted production : 1,312.35 cu. yds./hour Adjusted fleet production : 1,089.25 cu-yds./hour <br />JOB TIME AND COST <br />Fleet size : 1 dozer(s) Total job time : 29.62 hours <br />Abbreviation :none <br />Filename : M010-003 <br />Unit cost : $0.160 per cu. yd. Total job cost : $5,160