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CIRCES Cost Estimating Software <br />BULLDOZER RIPPING WORK <br />PROJECT IDENTIFICATION <br />Task # : 03a <br />Date : 01/11/2010 <br />User : GRM <br />State :Colorado <br />County :Moffat <br />Site : Lehrman Pit <br />Utilization <br />% <br />E <br />Cost Breakdown : Ownership cost/hour : $53.54 NA <br />100 <br />Dozer operating cost/hour : $70.36 <br />Ripper operating cost/hour : $6.29 100 <br />Operator cost/hour : $38.54 NA <br />Total unit cost/hour : $168.72 Total fleet cost/hour : $168.72 <br />MATERIAL QUANTITIES <br />Selected estimating method : Area <br />Alternate methods - <br />Seismic : NA NA <br />Area : 5.00 <br />acres <br />Unadjusted production <br />per selected method <br />Site altitude <br />Altitude adjustment <br />Job efficiency factor <br />Net job correction <br />Source of estimated quantity: Exhibit E and L - <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 />Production per unit area <br />Blade type : Universal <br />Attachment no. 1 :ROPS Cab Shift basis : 1 per day <br />Attachment no. 2 :3-shank ripper <br />Data source : (CRG) <br />Load factor : NA Bank volume <br />Rip depth (ft) : 2.00 Volume <br />NA feet/second <br />NA cu. yds./hour <br />1.00 feet/pass <br />7.08 feet/pass <br />100.00 feet/pass <br />88.00 feet/minute <br />0.25 minutes/pass <br />6.703 acres/hour <br />Unadjusted production : 1,134.86 cu. yds./hour <br />JOB TIME AND COST <br />Fleet size : 1 dozer(s) <br />Permit/job # :M-2009-078 <br />Abbreviation :none <br />Filename :M078-03a <br />Total job time : 17.13 hours <br />Unit cost : $0.179 per cu. yd. Total job cost : $2,890 <br />NA BOY <br />16,133 BOY or COY <br />1,134.86 cu. yds./hour <br />6,200 feet <br />1.00 (Cat HB) _ <br />0.83 (1 shift/day) <br />0.83 multiplier <br />Adjusted unit production : 941.94 cu. yds./hour <br />Adjusted fleet production : 941.94 cu. yds./hour