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Attachment no. 2 :3-shank ripper <br />Data source : (CRG) <br /> Utilization % <br />Cost Breakdown : Ownership cost/hour : $72.92 NA <br /> Dozer operating cost/hour : $98.84 100 <br />Ripper operating cost/hour : $7.51 100 <br /> Operator cost/hour : $32.78 NA <br /> Total unit cost/hour : $212.05 Total fleet cost/hour : $848.19 <br /> <br />x <br />MATERIAL QUANTITIES xx <br /> Selected estimating method : Area <br />Alternate methods - <br />Seismic : NA NA Load factor : NA Bank volume : NA BCY <br />Area : 0.31 acres Rip depth (ft) : 2.00 Volume: 1,000 BCY or CCY <br /> - <br />Source of estimated quantity :Division estimate <br />Source of estimated load factor : NA <br /> <br />HOURLY PRODUCTION <br />Alternate methods - Job Condition Correction Factors - <br />Seismic : Seismic velocity : NA feet/second Unadjusted production <br />Unadjusted production : NA cu. yds./hour per selected method : 2,083.21 cu. yds./hour <br /> <br />Area : Avg. ripping depth : 2.00 feet/pass Site altitude : 6,500 feet <br />Average ripping width : 7.67 feet/pass Altitude adjustment : 1.00 (Cat HB) <br />Average ripping length : __k00 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 : 6.25 minutes/pass <br />Production per unit area : 0.646 acres/hour Adjusted unit production : 1,729.06 cu. yds./hour <br />Unadjusted production : 2,083.21 cu. yds./hour Adjusted fleet production : 6,916.26 cu. yds./hour <br /> <br />.>:.;:.;:.>:.;;;::,;> :<;.;:.>;:.;:.;:.;:.;:.;;:.;; :.:::::::.:::::::::::::.::::::::::. <br />JOB TIME AND COST :::::.::::::::.::......................................... ...................................................... <br />Fleet size : 4 dozer(s) Total job time : 0.14 hours <br />Unit cost : $0.123 per cu. yd. Total job cost : $123 <br /> ":x X