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CIRCES Cost Estimating Software <br />BULLDOZER RIPPING WORK <br />PROJECT IDENTIFICATION <br />Task #: 21H State :Colorado Permit/job # :C-80-007 <br />Date : 0710612010 County : Gunnison Abbreviation :none <br />User : TAK Site :West Elk Mine Filename :0007-21H <br />Agency or organization name : CDRMS <br />Permit or other job action : TR-121 <br />Task description : Rip MDW roads approved in TR-121, not previously approved in PR-14 <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. i pei day <br /> Attachment no. 2 : 3-shank ripper <br /> Data source : (CRG) <br /> Utilization % <br />Cost Breakdown : Ownership cost/hour : $66.95 NA <br /> Dozer operating cost/hour : $120.00 100 <br /> Ripper operating cost/hour : $6.95 100 <br /> Operator cost/hour : $38.54 NA <br /> Total unit cost/hour : $232.44 Tota l fleet cost/hour : $929.76 <br />MATERIAL QUANTITIES <br /> Selected estimating method : Area <br />Alternate methods - <br />Seismic : NA NA Load factor : NA Bank volume : NA BCY <br />Area : 3.86 acres Rip depth (ft) : 2.00 Volume : 12,455 BCY or CCY <br /> <br />Source of estimated quantity : Exhibit 80, TR-1 21, Project Details <br />Source of estimated load factor :NA <br /> <br />HOURLY PRODUCTION <br />Alternate methods - Job Condition Correction Factors - <br />Seismic : Seismic velocity: NA feet/second Unadjusted production <br />Unadjusted production : NA cu. yds./hour per selected method : 1,436.70 cu. yds./hour <br /> <br />Area : Avg. ripping depth : 1.00 feet/pass Site altitude : 7,100 feet <br />Average ripping width : 7.67 feet/pass Altitude adjustment : 1.00 (Cat HB) <br />Average ripping length : 500.00 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 : 0.891 acres/hour Adjusted unit production : 1,192.46 cu. yds./hour <br />Unadjusted production : 1,436.70 cu. yds./hour Adjusted fleet production : 4,769.83 cu. yds./hour <br /> <br />JOB TIME AND COST <br />Fleet size : 4 dozer(s) Total job time : 2.61 hours <br />Unit cost : $0.195 per cu. yd. Total job cost : $2,428 <br />