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PROJECT IDENTIFICATION <br />Task # : ttt <br />Date : 0511112009 <br />User : TAK <br />State : Colorado <br />County :Gunnison <br />Site : West Elk Mine <br />Permit/job #: C-80-007 <br />Abbreviation :none <br />Filename :0007-ttt <br />Agency or organization name : Colorado Division Of Reclamation, Mining And Safety <br />Permit or other job action : MR-352 and Midterm Review 6 <br />Task description : Rip MR-352 drill pads, holes in PR-14 cost estimate <br /> <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 /> Utilization % <br />Cost Breakdown : Ownership cost/hour : $72.92 NA <br />Dozer operating cost/hour : $98.84 100 <br />Ripper operating cost/hour : $7.51 100 <br />Operator cost/hour : $32.78 NA <br />Total unit cost/hour : $212.05 Total fleet cost/hour : $848.19 <br />MATERIAL QUANTITIES <br />Selected estimating method : Area <br />Alternate methods - <br />Seismic : NA NA Load factor : NA Bank volume : NA BCY <br />Area : 4.14 acres Rip depth (ft) : 1.00 Volume : 6,679 BCY or CCY <br />Source of estimated quantity: MR-352 submittal, Table 2 <br />Source of estimated load factor : NA <br /> <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 : 2,083.21 cu. yds./hour <br />Area : Avg. ripping depth : 2.00 feet/pass Site altitude : 8,000 feet <br />Average ripping width : 7.67 feet/pass Altitude adjustment : 0.95 (Cat HB) <br />Average ripping length : 50.00 feet/pass Job efficiency factor : 0.83 (1 shift/day) <br />Average dozer speed : 88.00 feet/minute Net job correction : 0.79 multiplier <br />Average maneuver time : 0.25 minutes/pass <br />Production per unit area : 0.646 acres/hour Adjusted unit production : 1,642.61 cu. yds./hour <br />Unadjusted production : 2,083.21 cu. yds./hour Adjusted fleet production : 6,570.44 cu. yds./hour <br />JOB TIME AND COST <br />Fleet size : 4 dozer(s) Total job time : 1.02 hours <br />Unit cost : $0.129 per cu. yd. Total job cost : $862 <br />CIRCES Cost Estimating Software <br />BULLDOZER RIPPING WORK