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CIRCES Cost Estimating Software <br />BULLDOZER RIPPING WORK <br />PROJECT IDENTIFICATION <br />Task #: 094 State :Colorado Permit/job #: C-1980-004 <br />Date : 0312612009 County :Garfield Abbreviation :none <br />User : JRS Site: Mcclane Canyon Mine Filename :0004-014 <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 Backfilled and Rough Graded Areas <br />HOURLY EQUIPMENT COST <br />Basic machine : Cat D9R - 9SU (2005) Horsepower : 405 <br />Blade type : iemi-Universal <br />Attachment no. 1 : BOPS 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 : $70.58 NA <br />Dozer operating cost/hour : $103.27 100 <br />Ripper operating cost/hour : $7.52 100 <br />Operator cost/hour : $32.78 NA <br />Total unit cost/hour : $214.14 Total fleet cost/hour : $244.14 <br />MATERIAL QUANTITIES <br /> Selected estimating method : Area <br />Alternate methods - <br />Seismic : NA NA Load factor : NA Bank volume : NA BCY <br />Area : 6.70 acres Rip depth (ft) : 2.00 Volume : 21,619 BCY or CCY <br />Source of estimated quantity :Operator Estimate <br />Source of estimated load factor : NA <br />HOURLY PRODUCTION <br />Alternate methods - blob Condition Correction Factors - <br />Seismic : Seismic velocity: NA feet/second Unadjusted production <br />Unadjusted production : NA cu. yds./hour per selected method : 3,553.84 cu. yds./hour <br />Area : Avg. ripping depth : 2.63 feet/pass Site altitude : 5,600 feet <br />Average ripping width : 7.67 feetlpass Altitude adjustment : 1.00 (Cat HB) <br />Average ripping length : 200.00 feet/pass Job efficiency factor : 0.83 (1 shifUday) <br />Average dozer speed : 86.00 feet/minute Net job correction : 0.83 multiplier <br />Average maneuver time: 0.25 - minutes/pass <br />- <br />Production per unit area : 0.838 acres/hour Adjusted unit production : 2,949.69 cu. yds./hour <br />Unadjusted production : 3,553.84 cu. yds./hour Adjusted fleet production : 2,949.69 cu. yds./hour <br />JOB TIME AND COST <br />Fleet size : 1 dozer(s) Total job time : 7.33 hours <br />Unit cost : $0.073 per cu. yd. Total job cost:. $1,569