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CIRCES Cost Estimating Software <br />BULLDOZER RIPPING WORK <br />w <br />_a;~:. '~~;:~,'_~„ • ~;:.. tv„CS:.° a'1`:~ .. z = ;. °a~as s ~- .~~~.'at.,iz- ~' ,~~ai..~ .~~~*~°.z*~~*: <br />tOJECT IDENTIFICATION <br />Task # : 030 State :Colorado Permitrob # : C-81-012 <br />Date : 08/08/2001 County :Las Animas Abbreviation :none <br />User : JHB Site :New Elk Mine Filename :C012-030 <br />Agency or organization name : Ccolorado Division OtMinerals And Geology <br />Permit or other job action :2001 Midterm <br />Task description :Rip 20.77 acres of West Portal (ONR) <br /> Utilization <br />Cost Breakdown : Ownership cost/hour : $49.50 NA <br />Dozer operating cosUhour : $65.98 100 <br />Ripper operating costlhour : $7.50 100 <br />Operator cost/hour : $27.99 NA <br />Total unit cost hour : $150.97 Total fleet cost/hour <br />Selected estimating method : Area <br />Alternate methods - <br />Selsmic : NA NA <br />Area : 20.77 acres <br />Basic machine :CatDBR-8SU Horsepower: 305 <br />Blade type :Semi-Universal <br />Attachment no. 1 : BOPS Cab Shift basis : 1 per day <br />Attachment no. 2 :3-shank upper <br />$150.97 <br />Load factor : NA Bank volume : NA BCY <br />Rip depth (ft) : 1.50 Volume : 50,263 BCY or CCY <br />Source of estimated quantity :Permit Map 16 <br />Source of estimated load factor :NA <br />HOURLY PRODUCTION <br />Alternate methods - ob Condition Correction Factors - <br />Seismic : Seismic velocity : NA fee0second Unadjusted production <br />Unadjusted production : NA cu. yds./hour per selected method : 1,989.27 cu. yds./hour <br /> <br />Area : Avg. ripping depth : 1.50 feeUpass Site altitude : 7,400 feet <br />Average ripping width : 7.08 feeUpass Altitude adjustment : 1.00 (Cat HB) <br />Average ripping length : 500.00 feeUpass Job efficiency factor : 0.83 (1 shift/day) <br />Average dozer speed : 88.00 feeUminute Net job correction : 0.83 multiplier <br />Average maneuver time : 0.25 minutes/pass <br />Production per unit area : 0.822 acres/hour Adjusted unit production : 1,651.10 cu. yds./hour <br />Unadjusted production : 1,989.27 cu. yds./hour Adjusted fleet production : 1,651.10 cu. yds./hour <br />~ss*r..- <br />Fri.. - $*. > ;.~ ,- ~ ; , ~ .r ~ <br />,,x.`ui r ~., . x <br />~ ' . ~m+: s; r '`_ - „5 r <br />"..y a . <br />~ Lt i '. r.;: <br />OB TIME AND COST <br />Fleet size : 1 dozers) Total job time : 30.44 hours <br />Unit cost : $0.091 per cu. yd. Total job cost : $4,596 <br />~-< <br />, w c;.. <br /> Ex~ z~ - 5~s Q~n~ ~l <br />Data source : (CRG) <br />