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CIRCES Cost Estimating Software <br />BULLDOZER RIPPING WORK <br />PROJECT IDENTIFICATION <br />Task # : 04a State : Colorado Permit/job #:M-1997-027 <br />Date : 1110212009 County :Delta Abbreviation :none - <br />User : THM Site :Moonscape Pit Filename :M027-04a <br />Agency or organization name : DRMS ----- <br />Permit or other job action : Final Reclamation Cost Estimate CN-01 <br />Task description : Rip 8 acres of pit floor and compacted. areas <br />HOURLY EQUIPMENT COST <br />Basic machine : Cat D7R DS Series 11 - 7SU Horsepower : 240 <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 : $45.91 NA <br />Dozer operating cost/hour : $67.68 100 <br />Ripper operating cost/hour : $4.09 100 <br />Operator cost/hour : $38.54 NA <br />Total unit cost/hour : $156.22 Total fleet cost/hour : $156.22 <br />MATERIAL QUANTITIES <br />Selected estimating method : Area <br />Alternate methods - <br />Seismic : NA NA <br />Area : 8.00 acres <br />Load factor : NA Bank volume <br />Rip depth (ft) : 2.00 Volume <br />NA <br />25,813 <br />BCY <br />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 : NA feet/second <br />Unadjusted production : NA cu. yds./hour <br />Area : Avg. ripping depth : 1.00 feet/pass <br />Average ripping width : 6.50 feet/pass <br />Average ripping length : 350.00 feet/pass <br />Average dozer speed : 88.00 feet/minute <br />Average maneuver time : 0.25 <br />__ minutes/pass <br />Production per unit area : 6. 741 acres/hour <br />Unadjusted production : 1,195.94 cu. yds./hour <br /> <br />JOB TIME AND COST <br />Fleet size : 1 dozer(s) <br />uonaition t orreLami rdctu,a- <br />Unadjusted production <br />per selected method : 1,195.94 cu. yds./hour <br />Site altitude : 5,115 feet <br />Altitude adjustment : 1.00 (Cat HB) <br />Job efficiency factor : 0.83 (1 shifUday)_ <br />Net job correction : 0.83 multiplier <br />Adjusted unit production : 992.63 cu. yds./hour <br />Adjusted fleet production : 992.63 cu. yds./hour <br />Unit cost : $0.157 per cu. yd. <br />Total job time : 26.01 hours <br />Total job cost : $4,063