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CIRCES Cost Estimating Software <br />BULLDOZER RIPPING WORK <br />PROJECT IDENTIFICATION <br />Task #: 005 State : Colorado Permit/job #:M-1992-054 <br />Date : 0212812011 County :La Plata Abbreviation :none <br />User : KAP Site: Ignacio Pit Filename : M054-005 <br />Agency or organization name: Colorado Division Of Reclamation, Mining, And Safety <br />Permit or other job action :Monitoring Inspection - Bond update <br />Task description :Rip compacted areas <br />HOURLY EQUIPMENT COST <br />Basic machine : Cat D8R Series ll - 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 : $45.68 NA <br />Dozer operating cost/hour : $81.14 100 <br />Ripper operating cost/hour : $6.20 100 <br />Operator cost/hour : $38.54 NA <br />Total unit cost/hour : $171.55 Total fleet cost/hour : $171.55 <br />MATERIAL QUANTITIES <br />Alternate methods - <br />Seismic : NA <br />Area : 10.00 <br />NA <br />acres <br />Load factor <br />Rip depth (ft) <br />Source of estimated quantity :Maps <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 />Selected estimating method : Area <br />NA Bank volume : NA BCY <br />1.50 Volume : 24,200 BCY or CCY <br />Job Condition Correction Factors - <br />Unadjusted production <br />per selected method : 1,968.53 cu. yds./hour <br />Area : Avg. ripping depth : 1.50 feet/pass Site altitude : 6,240 feet <br />Average ripping width : 7.08 feet/pass Altitude adjustment : 1.00 (Cat HB) <br />Average ripping length : 400.00 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 : 0.813 acres/hour Adjusted unit production : 1,633.88 cu. yds./hour <br />Unadjusted production : 1,968.53 cu. yds./hour Adjusted fleet production : 1,633.88 cu. yds./hour <br /> <br />JOB TIME AND COST <br />Fleet size : 1 dozer(s) Total job time : 14.81 hours <br />Unit cost : $0.105 per cu. yd. Total job cost : $2,541 <br />