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CIRCES Cost Estimating Software <br />BULLDOZER RIPPING WORK <br />Task # <br />Date <br />User: <br />027 <br />08/16/2001 <br />State :Colorado Permitlob # : C-81-012 <br />County :Las Animas Abbreviation :none <br />Site :New Elk Mine Filename : C012-027 <br />Agency or organization name :Colorado Division Of Minerals And Geology <br />Permit or other job action :2001 Midterm <br />Task description :Rip 4.16 acres between river and RR tracks <br />Basic machine : Cat D8R - 8SU <br />Blade type :Semi-Universal <br />Attachment no. 1 :ROPS Cab <br />Attachment no. 2 :3-shank ripper <br />Horsepower: 305 <br />Shift basis : 1 oerdav <br />Data source <br /> Utilization <br />Cost Breakdown : Ownership cosUhour : $49.50 NA <br />Dozer operatingcost/hour : $65.98 100 <br />Ripper operatingcosUhour : $7.50 100 <br />Operator cosUhour : $27.99 NA <br />Total unit cost/hcur : $150.97 Total Fleet cosUhour <br />Selected estimating method <br />Alternate methods - <br />Seismic <br />Area <br />Source of estimated quantity :Kent's Notes <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 />Area : Avg. ripping depth : 1.50 feeUpass <br />Average ripping width : 7.08 feeUpass <br />Average ripping length : 500.00 feeUpass <br />Average dozer speed : 88.00 feeUminute <br />Average maneuver time : 0.25 minutes/pass <br />Production per unit area : 0.822 acres hour <br />Unadjusted production : 1,989.27 cu. yds./hour <br />Fleet size : 1 dozers) <br />Unil cost : $0.091 per cu. yd. <br />NA NA <br />4.16 acres <br />Load factor: NA <br />Rip depth (ft) : 1.50 <br />Area <br />(CRG) <br />$150.97 <br />Bank volume : NA BCY <br />Volume : 10,067 BCY or CCY <br />Unadjusted production <br />per selected method : 1,989.27 cu. yds./hour <br />Site altitude : 7,40D 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 /> <br />Adjusted unit production <br />Adjusted fleet production <br />1, 651.10 <br />1,651.10 <br />cu. yds./hour <br />cu. yds./hour '~ <br />Total job time : 6.10 hours <br />Total job cost: $921 <br />~x~i P8- S9 Redlsc~l y/o c. <br />