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CIRCES Cost Estimating Software <br />BULLDOZER RIPPING WORK <br />PROJECT IDENTIFICATION <br />Task #: 002 <br />Date : 1211612010 <br />User : RCO <br />State :Colorado <br />County :Mineral <br />Site :Airport Corner Pit <br />Permit/job # : M-2007-057 <br />Abbreviation :none <br />Filename : M057-002 <br />Agency or organization name : DRMS <br />Permit or other job action : Bond review SO-1 <br />Task description :Rip compaction on pit floor <br />HOURLY EQUIPMENT COST <br />Basic machine : Cat D6R LGP - 6S (2003). Horsepower : 185 <br />Blade type :Straight <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 : $32.77 NA <br />Dozer operating cost/hour : $43.48 100 <br />Ripper operating cost/hour : $2.73 100 <br />Operator cost/hour : $38.54 NA <br />Total unit cost/hour : $117.52 Total fleet cost/hour : $117.52 <br />MATERIAL QUANTITIES <br /> Selected estimating method : Area <br />Alternate methods - <br />Seismic : NA NA Load factor : NA Bank volume : NA BCY <br />Area : 2.50 acres Rip depth (ft) : 1.00 Volume : 4,033 BCY or CCY <br /> <br />Source of estimated quantity :application maps <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 : 1,198.84 cu. yds./hour <br /> <br />Area : Avg. ripping depth : 1.00 feet/pass Site altitude : 8,700 feet <br />Average ripping width : 6.58 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 : 0.743 acres/hour Adjusted unit production : 995.04 cu. yds./hour <br />Unadjusted production : 1,198.84 cu. yds./hour Adjusted fleet production : 995.04 cu. yds./hour <br /> <br />JOB TIME AND COST <br />Fleet size : 1 dozer(s) Total job time : 4.05 hours <br />Unit cost : $0.118 per cu. yd. Total job cost : $476