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CIRCES Cost Estimating Software <br />BULLDOZER RIPPING WORK <br />PROJECT IDENTIFICATION <br />Task # : 03a State :Colorado Permit/job # : M-1990-094 <br />Date : 04/21/2008 County :Mesa Abbreviation :none <br />User : THM Site :Orchard Grove Industrial Pit Filename : M094-03a <br />Agency or organization name : DRMS <br />Permit or other job action :Final Reclamation Cost Update <br />Task description :Rip compaction in stockpile, processing and road area <br />HOURLY EQUIPMENT COST <br />Basic machine :Cat D7R DS Series ll - 7SU Horsepower : 240 <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 : $46.68 NA <br />Dozer operating cost/hour : $56.19 100 <br />Ripper operating cost/hour : $4.30 100 <br />Operator cost/hour : $32.78 NA <br />Total unit cost/hour : $139.95 Total fleet cost/hour : $139.95 <br />MATERIAL QUANTITIES <br />Aiternate methods - <br />Seismic : NA <br />Area : 10.00 <br />Selected estimating method : Area <br />NA <br />acres <br />Load factor : NA Bank volume <br />Rip depth (ft) : 1.50 Volume <br />NA <br />24, 200 <br />BCY <br />BCY or CCY <br />Source of estimated quantity :Reclamation plan and annual report 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 />Area : Avg. ripping depth : 1.50 feet/pass <br />Average ripping width : 6.50 feet/pass <br />Average ripping length : 500.00 feeUpass <br />Average dozer speed : 88.00 feet/minute <br />Average maneuver time : 0.25 minutes/pass <br />Production per unit area : 0.755 acres/hour <br />Unadjusted production : 1,826.31 cu. yds./hour <br />JOB TIME AND COST <br />Fleet size : 1 dozers) <br />Unit cost : $0.092 per cu. yd. <br /> <br />~.ui iui uui i ~.vi ~ Gcuui i ra~wi a - <br />Unadjusted production <br />per selected method : 1,826.31 cu. yds./hour <br /> <br />Site altitude : 4, 530 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 /> <br />Adjusted unit production : 1,515.84 cu. yds./hour <br />Adjusted fleet production : 1,515.84 cu. yds./hour <br />Total job time : 15.96 hours <br />Total job cost : $2,234 <br />