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CIRCES Cost Estimating Software <br />BULLDOZER RIPPING WORK <br />PROJECT IDENTIFICATION <br />Task # : 003 State :Colorado Permit/job #:M-1977-140 <br />Date <br />User <br />05/21/2009 <br />RCO <br />Blade type : Semi-Universal <br />Attachment no. 1 :ROPS Cab Shift basis : 1 perday <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 /> <br />MATERIAL QUANTITIES <br /> Selected estimating method : Area <br />Alternate methods - <br />Seismic : NA NA Load factor : NA Bank volume : NA BCY <br />Area : 6.00 acres Rip depth (ft) : 1.00 Volume : 9,680 BCY or CCY <br /> <br />Source of estimated quantity :permit map <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 : 1,312.35 cu. yds./hour <br /> <br />Area : Avg. ripping depth : 1.00 feet/pass Site altitude : 7,600 feet <br />Average ripping width : 7.08 feet/pass Altitude adjustment : 1.00 (Cat HB) <br />Average ripping length : 400.00 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 : 0.813 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 /> <br />JOB TIME AND COST <br />Fleet size : 1 dozer(s) Total job time : 8.89 hours <br />Unit cost : $0.160 per cu. yd. Total job cost : $1,548 <br /> <br />County: Rio Grande <br />Site: North Farm Road Pit #1 <br />Abbreviation :none <br />Filename : M140-003