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• <br />PROJECT IDENTIFICATION <br />Task #: 011 <br />Date : 0112612009 <br />User : JDM <br />CIRCES Cost Estimating Software <br />BULLDOZER RIPPING WORK <br />Permit/job #: C-1981-018 <br />Abbreviation :none <br />Filename : C018-011 <br />Agency or organization name : Colorado Division Of Reclamation, Mining And Safety <br />Permit or other job action : Renewal 5 <br />Task description : Rip Gravel Pad at Rock Dust Facilities Area <br />HOURLY EQUIPMENT COST <br />Basic machine : Cat D9R - 9SU (2005) Horsepower : 40.5 <br />Blade type : Semi-Universal <br />Attachment no. 1 : BOPS Cab Shift basis : 1 per d_ a_y <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 />. MATERIAL QUANTITIES <br />Alternate methods - <br />Seismic : NA NA <br />Area : 1.00 acres <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 : $856.57 <br />Selected estimating method : Area <br />Load factor : NA Bank volume : <br />Rip depth (ft) : 2.00 Volume : <br />NA <br />3,227 <br />BCY <br />BCY or CCY <br />Source of estimated quantity: Division Estimate <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 />Unadjusted production <br />per selected method : 2,458.87 cu. yds./hour <br />Area : Avg. ripping depth : 2.00 feet/pass Site altitude : 5,300 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 feettminute 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 : 2,040.86 cu. yds./hour <br />Unadjusted production : 2,458.87 cu. yds./hour Adjusted fleet production : 8,163.45 cu. yds./hour <br />• JOB TIME AND COST <br />Fleet size : 4 dozer(s) Total job time : 0.40 hours <br />Unit cost : $0.105 per cu. yd. Total job cost : $339 <br />State : Colorado <br />County : Rio Blanco <br />Site : Deserado Mine