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CIRCES Cost Estimatina Software <br />BULLDOZER RIPPING WORK <br />PROJECT IDENTIFICATION <br />Task #: 02a State : Colorado Permit/job #: M-1997-098 <br />Date : 0212812008 County :Rio Blanco Abbreviation :none <br />User : THM Site :Flag Creek Quarry Filename :M098-02a <br />Agency or organization name : DRMS <br />Permit or other job action : Final Reclamation Cost Update <br />Task description :Rip 7.68 acres of terrace <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 per day <br />Attachment no. 2 :3-shank ripper <br />Data source : (CRG) <br />Utilization % <br />Cost Breakdown : Ownership cost/hour : $57.41 NA <br />Dozer operating cost/hour : $77.13 100 <br />Ripper operating cost/hour : $6.86 100 <br />Operator cost/hour :--T32.78 NA <br />Total unit cost/hour : $174.18 Total fleet cost/hour : $174.18 <br />MATERIAL QUANTITIES <br />Selected estimating method : Area <br />Alternate methods - <br />Seismic : NA NA <br />Area : 7.68 acres <br />Load factor : NA Bank volume <br />Rip depth (ft) : 2.00 Volume <br />NA <br />24,781 <br />BCY <br />BCY or CCY <br />Source of estimated quantity : Staff Estimate <br />Source of estimated load factor : NA <br />HOURLY PRODUCTION <br />Alternate methods - JU" %aU"u"'V" -I <br />Seismic : Seismic velocity : NA feet/second Unadjusted production <br />Unadjusted production : NA cu. yds./hour per selected method : 1,134.86 cu. yds./hour <br />Area : Avg. ripping depth : 1.00 feet/pass Site altitude : 8,200 feet <br />Average ripping width : 7.08 feet/pass Altitude adjustment : 1.00 (Cat HB) <br />Average ripping length : 100.00 feet/pass Job efficiency factor : 0.83 (1 shift/day) <br />Average dozer speed : 88.00 feet/minute Net job correction : 0.83 multiplier <br />Average maneuver time : 0.25 minutes/pass <br />Production per unit area : 0.703 acres/hour Adjusted unit production : 941.94 cu. yds./hour <br />Unadjusted production : 1,134.86 cu. yds./hour Adjusted fleet production : 941.94 cu. yds./hour <br />JOB TIME AND COST <br />Fleet size : 1 dozer(s) Total job time : 26.31 hours <br />Unit cost : $0.185 per cu. yd. Total job cost : $4,582