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CIRCES Cost Estimating Software <br />BULLDOZER RIPPING WORK <br />PROJECT IDENTIFICATION <br />Task # : 063 State :Colorado Permit/job # :C-1981-010 <br />Date : 0310312010 County: Moffat Abbreviation :none <br />User : JDM Site : Trapper Mine Filename : C010-063 <br />Agency or organization name : Colorado Division Of Reclamation Mining And Safety <br />Permit or other job action :2010 Midterm Review <br />Task description :Rip BC Walk Road <br />HOURLY EQUIPMENT COST <br />Basic machine :Cat D10R - 10SU (2005) <br />Blade type : Semi-Universal <br />Attachment no. 1 :BOPS Cab <br />Attachment no. 2 :3-shank ripper <br />Horsepower: 570 <br />Shift basis : 1 per day <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 />Selected estimating method : Area <br />Alternate methods - <br />Seismic : NA NA Load factor : NA Bank volume : NA BCY <br />Area : 7.50 acres Rip depth (ft) : 2.50 Volume : 30,250 BCY or CCY <br />Source of estimated quantity :Appendix A Table 1.4-5 <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 />Unadjusted production <br />per selected method <br />4,060.03 cu. yds./hour <br />Area : Avg. ripping depth : 2.50 feet/pass Site altitude : 6,400 <br />Average ripping width : 8.67 feet/pass Altitude adjustment : 1.00 <br />Average ripping length : 500.00 feet/pass Job efficiency factor : 0.83 <br />Average dozer speed : 88.00 feet/minute Net job correction : 0.83 <br />Average maneuver time : 0.25 minutes/pass <br />Production per unit area : 1.007 acres/hour Adjusted unit production : 3,369.82 <br />Unadjusted production : 4,060.03 cu. yds./hour Adjusted fleet production : 13,479.28 <br /> <br />JOB TIME AND COST <br />Fleet size : 4 dozer(s) Total job time : 2.24 <br />Unit cost : $0.077 per cu. yd. Total job cost : $2,331 <br /> <br />feet <br />(Cat HB) <br />(1 shif 1day) <br />multiplier <br />cu. yds./hour <br />cu. yds./hour <br />hours