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CIRCES Cost Estimating Software <br /> BULLDOZER RIPPING WORK <br />PROJECT IDENTIFICATION <br />- - ----- <br />Task # : 03a State :Colorado PermiUjob # :M-1981-068 <br />Date : 07/20/2006 County :Garfield Abbreviation :none <br />User : GRM Site :Loesch Pit Filename :M068-03a <br />Agency or organization name :OMG <br />Permit or otherjob action :Periodical Update - 2006 <br />Task description :rip pit processing areas <br />HOURLY EQUIPMENT COST <br />Basic machine :Cat D8R Series 11- 8SU (200; Horsepower : 310 <br />Blade type :Semi-Universal <br />Attachment no. 1 :ROPS Cab Shift basis : 1 perday <br />Attachment no. 2 :3-shank ripper <br />Utilization <br />Cost Breakdown : Ownership cost/hour : $58.24 NA <br />Dozer operating cost/hour : $73.75 100 <br />Ripper operating cosUhour : $6.85 100 <br />Operator cosUhour : $32.78 NA <br />Total unit cosUhour : $171.63 Total fleet cosUhour <br />MATERIAL QUANTITIES <br />Altemate methods - <br />Seismic : NA <br />Area : 10.00 <br />NA <br />acres <br />Selected estimating method : Area <br />Load factor : NA Bank volume : NA <br />Rip depth (ft) : 2.00 Volume : 32,267 <br />Source of estimated quantity :Mining Plan <br />Source of estimated load factor : NA <br />HOURLY PRODUCTION <br />Alternate methods - <br />Seismic : Seismic velocity : NA feeUsecond <br />Unadjusted production : NA cu. yds./hour <br />Area : Avg. ripping depth : 1.00 feeUpass <br />Average ripping width : 7.08 feeUpass <br />Average ripping length : 200.00 feeUpass <br />Average dozer speed : 88.00 feeUminute <br />Average maneuver time : 0.25 minutes/pass <br />c~~a a~ <br />BCY <br />BCY orCCY <br />Unadjusted production <br />per selected method : 1,247.33 cu. yds./hour <br />Site altitude : 6,360 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 />Production per unit area : 0.773 acres/hour Adjusted unit production : 1,035.28 cu. yds./hour <br />Unadjusted production : 1,247.33 cu. yds./hour Adjusted fleet production : 1,035.28 cu. yds./hour <br />JOB TIME AND COST <br />Fleet size : 1 dozers) Tolal job time : 31.17 hours <br />Unit cost : $0.166 per cu. yd. Total job cost : $5,349 <br /> <br />Data source : (CRG) <br />