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CIRCES Cost Estimating Software <br />BULLDOZER RIPPING WORK <br />PROJECT IDENTIFICATION <br />Task #: 025 <br />Date : 0112612009 <br />User : JRS <br />Permit/job # :C-1981-012 <br />Abbreviation :none <br />Filename :C012-025 <br />Agency or organization name : Colorado Division Of Reclamation, Mining And Safety <br />Permit or other job action :Permit Renewal 05 <br />Task description :Rip Prep Plant Area Prior to Regrading <br />HOURLY EQUIPMENT COST <br />Basic machine : Cat D9R - 9SU (2005) Horsepower : 405 <br />Blade type : Semi-Universal <br />Attachment no. 1 : ROPS Cab Shift basis : 1 per day <br />Attachment no. 2: I-shank ripper <br /> Data source : (CRG) <br /> Utilization % <br />Cost Breakdown : Ownership cost/hour : $72.22 NA <br />Dozer operating cost/hour : $103.27 100 <br />Ripper operating cost/hour : $9.99 100 <br />Operator cost/hour : $32.78 NA <br />Total unit cost/hour : $218.26 Total fleet cost/hour : $654.79 <br />MATERIAL QUANTITIES is <br />Selected estimating method : Area <br />Alternate methods - <br />Seismic : NA NA Load factor : NA Bank volume : NA BCY <br />Area : 5.37 acres Rip depth (ft) : 2.00 Volume : 17,327 BCY or CCY <br />Source of estimated quantity: Map 11 <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 /> <br />Area : Avg. ripping depth : 4.05 feet/pass <br />Average ripping width : 6.08 feet/pass <br />Average ripping length : 200.00 feet/pass <br />Average dozer speed : 88.00 feet/minute <br />Average maneuver time : 0.25 minutes/pass <br />Production per unit area : 0.664 acres/hour <br />Unadjusted production : 4,338.16 cu. yds./hour <br />JOB TIME AND COST <br />Fleet size : 3 dozer(s) <br />Unit cost : $0.061 per cu. yd. <br />State : Colorado <br />County : Las Animas <br />Site : New Elk Mine <br />wi iuniv1 i %,V1 i MAIU1 i rauwi A- <br />Unadjusted production <br />per selected method : 4,338.16 cu. yds./hour <br /> <br />Site altitude : 7,500 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 <br />Adjusted fleet production <br />Total job time <br />Total job cost <br />3,600.67 cu. yds./hour <br />10,802.02 cu. yds./hour <br />1.60 hours <br />$1,050 <br />0 <br />RN-05 Exhibit 28-38 (Revised 2/16/09)