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PROJECT IDENTIFICATION <br />Task #: 021 <br />Date : 0910212009 <br />User : JRS <br />CIRCES Cost Estimating Software <br />BULLDOZER RIPPING WORK <br />State : Colorado <br />County:Moffat <br />Site :Colowyo Mine <br />Permit/job # : C-1981-019 <br />Abbreviation :none <br />Filename :C019-021 <br />Agency or organization name : Colorado Division Of Minerals And <br />Permit or other job action :Permit Renewal 05 <br />Task description : Rip Facilities Area <br />HOURLY EQUIPMENT COST <br />Basic machine : Cat D11 R - 11 U (2005) Horsepower : 850 <br />Blade type : Universal <br />Attachment no. 1 :ROPS Cab Shiftbasis : 2 per day <br />Attachment no. 2 :1-shank ripper <br /> Data source : (CRG) <br /> Utilization % <br />Cost Breakdown : Ownership cost/hour : $108.31 NA <br />Dozer operating cost/hour : $136.82 100 <br />Ripper operating cost/hour : $15.00 100 <br />Operator cost/hour : $32.93 NA <br />Total unit cost/hour : $293.05 Total fleet cost/hour : $879.16 <br /> <br />MATERIAL QUANTITIES <br />Selected estimating method : Area <br />Alternate methods - <br />Seismic : NA NA Load factor : NA Bank volume : NA BCY <br />Area : 68.00 a cres Rip depth (ft) : 4.00 Volume : 438,827 BCY or CCY <br />Source of estimated quantity: Map 228; Division Estimate <br />Source of estimated load factor : NA <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 : 7,233.13 cu. yds./hour <br />Area : Avg. ripping depth : 5.00 feet/pass Site altitude : 7,400 feet <br />Average ripping width : 7.94 feet/pass Altitude adjustment : 1.00 (Cat HB) <br />Average ripping length : 300.00 feet/pass Job efficiency factor : 0.81 (2 shifts/day) <br />Average dozer speed : 88.00 feet/minute Net job correction : 0.81 multiplier <br />Average maneuver time : 0.25 minutes/pass <br />Production per unit area : 0.897 acres/hour Adjusted unit production : 5,858.83 cu. yds./hour <br />Unadjusted production : 7,233.13 cu. yds./hour Adjusted fleet production : 17,576.50 cu. yds./hour <br />JOB TIME AND COST <br />Fleet size : 3 dozers) Total job time : 24.97 hours <br />Unit cost : $0.050 per cu. yd. Total job cost : $21,950