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CIRCES Cost Estimating Software <br />BULLDOZER RIPPING WORK <br />PROJECT IDENTIFICATION <br />Task #: 003 <br />Date : 0211912003 <br />User: JD1 <br />State : Colorado <br />County: Park <br />Site : Chaparral Meadows Pit <br />Permit/job #:M-1984-101 <br />Abbreviation : none <br />Filename : M101-003 <br />Agency or organization name : DMG <br />Permit or other job action : final reclamation <br />Task description : rip compacted areas <br />HOURLY EQUIPMENT COST <br />Basic machine : Cat D8R Series 11 - 8U Horsepower : 310 <br />Blade type : Universal <br />Attachment no. 1 : ROPS Cab _ Shift basis : 1 per day <br />Attachment no.2:3-shank ripper <br /> Data source: (CRG) <br /> <br />Utilizati - <br />on % _ <br />Cost Breakdown : Ownership cost/hour : $50.76 NA <br />Dozer operating cost/hour : $61.72 100 <br />Ripper operating cost/hour : $7.01 100 <br />Operator cost/hour : $30.65 NA <br />Total unit cost/hour: $150.14 Total fleet cost/hour: $150.14 <br />MATERIAL QUANTITIES <br />Alternate methods - <br />Seismic : NA <br />Area : 7.50 <br />NA <br />acres <br />Selected estimating method : Area <br />Load factor : NA Bank volume <br />Rip depth (ft) : 1.00 Volume <br />NA BCY <br />12-100 BCN' or CCY <br />Source of estimated quantity: calculation <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 : 1.00 feet/pass <br />Average ripping width : 708 feet/pass <br />Average ripping length : 250.00 feet/pass <br />Average dozer speed : 88.00 feet/minute <br />Average maneuver time : 0.25 minutes/pass <br />Production per unit area : 0.789 acres/hour <br />Unadjusted production : 11272.55 cu. yds./hour <br />JOB TIME AND COST <br />' Fleet size : 1 dozer(s) <br />Unit cost : $0.142 per cu. yd. <br />t_.v1 tunwn UVIM cuvn rauMb - <br />Unadjusted production <br />per selected method : 1,272.55 cu. yds./hour <br />Site altitude : 8,740 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 />Adjusted unit production : 1,056.22 cu. yds./hour <br />Adjusted fleet production : 1,056.22 cu. yds./hour <br />Total job time : 11.46 hours <br />Total job cost: $1,720