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PROJECT IDENTIFICATION <br />Task # : 038 <br />Date : 1210212010 <br />User : JRS <br />CIRCES Cost Estimatina Software <br />BULLDOZER RIPPING WORK <br />State : Colorado <br />County:Delta <br />Site :Bowie No. 1 Mine <br />Permit/job #: C-1981-038 <br />Abbreviation :none <br />Filename : C038-038 <br />Agency or organization name : Colorado Division Of Reclamation, Mining And Safety <br />Permit or other job action :2010 Midterm Review (MT-6) <br />Task description : Rip Cut Zones 1-A.B.C.D and E: 2-B: 4-D <br />HOURLY EQUIPMENT COST <br />Basic machine : Cat D10R - 10SU (2005) Horsepower : 570 <br />Blade type : Semi-Universal <br />Attachment no. 1 : ROPS Cab Shiftbasis : 1 per day_ <br />Attachment no. 2:3-shank ripper <br /> Data source : (CRG) <br /> Utilization % <br />Cost Breakdown : Ownership cost/hour : $86.56 NA <br />Dozer operating cost/hour : $126.50 100 <br />Ripper operating cost/hour : $8.09 100 <br />Operator cost/hour : $38.54 NA <br />Total unit cost/hour : $259.69 Total fleet cost/hour : $1,038.77 <br />MATERIAL QUANTITIES <br />Alternate methods - <br />Seismic : NA <br />Area : 12.42 <br />NA <br />acres <br />Selected estimating method : Area <br />Load factor : NA Bank volume : NA BCY <br />Rip depth (ft) : 20.17 Volume : 404,158 BCY or CCY <br />Source of estimated quantity: Map 5C-6A and 8A-2 <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 : 2.88 feet/pass <br />Average ripping width : 8.67 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 : 0.947 acres/hour <br />Unadjusted production : 4,391.41 cu. yds./hour <br />JOB TIME AND COST <br />Fleet size : 4 dozer(s) <br />Unit cost : $0.071 per cu. yd. <br /> <br />uwuvvi ca.uvi a.wi a - <br />Unadjusted production <br />per selected method : 4,391.41 cu. yds./hour <br />Site altitude : 7,100 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 : 3,644.87 cu. yds./hour <br />Adjusted fleet production : 14,579.49 cu. yds./hour <br />Total job time : 27.72 hours <br />Total job cost : $28,796