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CIRCES Cost Estimating Software <br />BULLDOZER RIPPING WORK <br />PROJECT IDENTIFICATION <br />Task # : 016 State : Colorado Permit/job # : C-1980-004 <br />Date : 0312612009 County : Garfield Abbreviation :none <br />User : JRS Site :Mcclane Canyon Mine Filename :0004-016 <br />Agency or organization name : Colorado Division Of Reclamation, Mining And Safety <br />Permit or other job action 2009 Midterm Review <br />Task description :Rip Construction Material Stockpile <br />HOURLY EQUIPMENT COST <br />Basic machine : Cat D9R - 9SU (2005) Horsepower : 405 <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 />Cost Breakdown : Ownership cost/hour : <br />Dozer operating cost/hour : <br />Ripper operating cost/hour : <br />Operator cost/hour : <br />Total unit cost/hour : <br />Utilization % <br />$70.58 NA <br />$103.27 100 <br />$7.52 100 <br />$32.78 NA <br />$214.14 Total fleet cost/hour : $214.14 <br />- - ---------- <br />MATERIAL QUANTITIES <br />Alternate methods - <br />Seismic : NA <br />Area : 0.50 <br />NA <br />acres <br />Load factor <br />Rip depth (ft) <br />Source of estimated quantity :Figure 2.2-3 <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 />Selected estimating method : Area <br />NA Bank volume : NA BCY <br />2.00 Volume : 1,613 BCY or CCY <br />Job Condition Correction Factors - <br />Unadjusted production <br />per selected method : 3,233.41 cu. yds./hour <br />Area : Avg. ripping depth : 2.63 feet/pass Site altitude : 5,600 feet <br />Average ripping width : 7.67 feet/pass Altitude adjustment : 1.00 (Cat HB) <br />Average ripping length : 100.00 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 : 0.762 acres/hour Adjusted unit production : 2,683.73 cu. yds./hour <br />Unadjusted production : 3,233.41 cu. yds./hour Adjusted fleet production : 2,683.73 cu. yds./hour <br /> <br />JOB TIME AND COST <br />Fleet size : 1 dozer(s) Total job time : 0.60 hours <br />Unit cost : $0.080 per cu. yd. Total job cost : $129 <br />