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Table 3.7-1 Page 9 <br />CIRCES Cost Estimating Software <br />~~ <br />State :Colorado <br />County : Ga~eld <br />Site :McLane Canyon Mine <br />Permilrob # : G1980-004 <br />Abbreviation :none <br />Filename :0004-007 <br />Agency or organization name :Colorado Division Of Minerals And <br />Permit or other job action :Permit Renewa106 <br />Task description :Rip Construction Material Sto <br />HOURLY EQUIPMENT COST <br />Basic machine : Cat D8R Series II - 8SU Horsepower : 310 <br />Blade type :Semi-Universal <br />Attachment no. 1 : ROPS Cab Shin basis : 1 per day <br />Attachment no. 2 :3-shank ripper <br /> Data source : (CRG) <br /> Utilization <br />Cost Breakdown : Ownership cosUhour : $48.85 NA <br />Dozer operating cest/hour : $66.03 100 <br />Ripper operating cosUhour : $7.09 100 <br />Operator cost/hour $31.78 NA <br />Total unitcosUhour : $153.75 TotalfleetcosUhour: $153.75 <br />MATERIAL QUANTITIES <br />Selected estimating method : Area <br />Altemate methods - <br />Seismic ; NA NA Load factor : NA Bank volume : NA BCY <br />Area : 0.50 acres Rip depth (ft) : 2.00 Volume : 1,813 BCY or CCY <br />Source of estimated quantity :Figure 2.2-3 <br />Source of estimated load factor : NA <br />HOURLY PRODUCTION <br />Altemate methods - <br />Seismic ; Seismic velocity <br />Unadjusted production <br />Area : Avg. ripping depth <br />Average ripping width <br />Average ripping length <br />Average dozer speed <br />Average maneuver time <br />Production per unit area <br />Unadjusted production <br />NA fee0second <br />NA cu. yds./hour <br />2.56 feeUpass <br />7.08 feeUpass <br />100.00 feeUpass <br />88.00 feeVminute <br />0.25 minutes/pass <br />0.703 acres/hour <br />2,905.25 cu. yds./hour <br />Unadjusted production <br />per selected method : 2,905.25 cu. yds./hour <br />Site altitude : 5,600 feet <br />Altitude adjustment : 1.00 (Cat HB) <br />Job efficiency factor : 0.83 (1 shift/day) <br />Net job correction : 0.83 multiplier <br />Adjusted unit production <br />Adjusted fleet production <br />2,411.36 <br />2,411.38 <br />cu. yds.Riour <br />cu.yds./hour <br />JOB TIME AND COST <br />Fleet size : 1 dozers} Total job time : 0.67 hours <br />Unit cost : $0.064 per cu. yd. ~ Total job cost : $103 <br />