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CIRCES Cost Estimatins~ Software <br />BULLDOZER RIPPING WORK <br />PROJECT IDENTIFICATION <br /># :M-1989-056 <br />~n :none <br />HOURLY EQUIPMENT COST <br />Basic machine :Cat D8R Series // - <br />Blade type :Semi-Universal <br />Attachment no. 1 : ROPS Cab <br />Attachment no. 2 :3-shank ripper <br />M056-003 <br />Cost Breakdown : Ownership cost/hour : $57.41 <br />Dozer operating cost/hour : $77.13 <br />Ripper operating cost/hour : $6.86 <br />Operator cost/hour : $32.78 <br />Total unit cost/hour : $174.18 <br />(200: Horsepower : 310 <br />Shift basis : 1 per day <br />Data source : (CRr;) <br />~n <br />NA <br />100 <br />100 <br />NA <br />Total fleet cost/hour : x348.35 <br />MATERIAL QUANTITIES <br /> Selected estimating me~ hod <br />Alternate methods - <br />Seismic : NA NA Load factor : NA Bank vol ume <br />Area : 20.00 acres Rip depth (ft) : 2.00 Vol ~ I me <br />Source of estimated quantity :DRMS Estimate <br />Source of estimated load factor : NA <br /> <br />HOURLY: P ::::.:......................................... <br />RODUCTION ..................... ...................................... ................................................ <br />Alternate methods - Job Condition Correctio Fact <br />Selsmlc : Seismic velocity : NA feet/second Unadjusted product on <br />Unadjusted production : NA cu. yds./hour per selected met od <br /> <br />Area : Avg. ripping depth : 1.00 feet/pass Site altit de : <br /> <br />Average ripping width : <br />7.08 <br />feet/pass <br />Altitude adjus _ <br />ent : <br /> <br />Average ripping length : <br />100.00 <br />feet/pass <br />Job efficiency fa _ <br />for :_ <br />Average dozer speed : 88.00 feet/minute Net job correc ion : 0.83 multiplier <br />Average maneuver time : 0.25 minutes/pass <br />Production per unit area : 0.703 acres/hour Adjusted unit produc ion : 941.94 cu. yds./hour <br />Unadjusted production : 1,134.86 cu. yds./hour Adjusted fleet produc ion : 1,883.87 cu. yds./hour <br />,.. , <br />,. <br />,;: <br />>. _ _ _ . <br />JOB TIME AND COST <br />Fleet size : 2 dozers) Total job tip e <br />Unit cost : $0.185 per cu. yd. Total job cp~st <br />Area <br />NA BCY <br />64,533 BCY or CCY <br />1,134.86 cu. yds./hour <br />4, 800 feet <br />1.00 (Cat H8) <br />0.83 (1 shift/day) <br />34.26 hours <br />x11,933 <br />