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CIRCES Cost Estimating Software <br />BULLDOZER RIPPING WORK <br />Task # : 025 State :Colorado Permitlob # : C-81-012 <br />Date : 08/08/2001 County :Las Animas Abbreviation :none <br />User : JHB Site :New Elk Mine Filename : C012-025 <br />Agency or organization name : Ccolomdo Division O(Minerals And Geology <br />Permit or other job action :2001 Midterm <br />p~?~ Task description :Rip 17.86 acres mine entry, Large TS pile Footprint, (DNRJ <br />i. ~.~cea..~~~a.a.s~serss,s~ ~l <br />HOURLY EQUIPMENT COST <br /> Basic machine :Cat D8R - 8SU Horsepower : 305 <br /> Blade type :Semi-Universal <br /> Attachment no. 1 :ROPS Cab Shift basis : 1 perday <br /> Attachment no. 2 :3-shank upper <br /> Data source : (CRGJ <br /> Utilization <br />Cost Breakdown : Ownership cost/hour : $49.50 NA <br /> Dozer operating cosUhour : $65.98 100 <br /> Ripper operatingcosUhour : $7.50 100 <br /> Operator cosUhour : $27.99 NA <br /> Total unit cosUhour : $150.97 Total fleet cost/hour : $150.97 <br />, ~C-~ ~ ~ ~ ~ "~ cn' k.u ~ t- araux rx~sre . <br />..1u-3 <br />MATERIAL QUANTITIES .- <br /> Selected estimating method : Area <br />Alternate methods - <br />Seismic : NA NA Load factor : NA Bank volume : NA BCY <br />Area : 17.86 acres Rip depth (ft) : 1.50 Volume : 43,221 BCY or CCY <br />Source of estimated quantity :Kent's notes <br />Source of estimated load (actor : NA <br />Alternate methods - <br />Seismic : Seismic velocity : NA feeUsecond <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 : 400.00 feeUpass <br />Average dozer speed : 88.00 feeUminute <br />Average maneuver time : 0.25 minutes/pass <br />Production per unit area : 0.813 acresihour <br />Unadjusted production : 1,968.53 cu. yds./hour <br />Unadjusted production <br />per selected method : 1,968.53 cu. yds.lhaur <br />Site altitude <br />Altitude adjustment <br />Job efficiency factor <br />Net job correction <br />7,400 <br />i.oo feet <br />(catHB) <br />0.83 (1 shitt/day) <br />0.83 multiplier <br />Adjusted unit production <br />Adjusted fleet production <br />1, 633.88 cu. yds /hour <br />1,633.88 cu. yds./hour <br />Fleet size : 1 dozers) Total job time : 26.45 hours <br />Unit cost : $0.092 per cu. yd. Total job cost : $3,994 <br />i ,~~, <br />'f~e ~ <br />