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CIRCES Cost Estimating Software <br />BULLDOZER RIPPING WORK <br />PROJECT IDENTIFICATION <br />Task #: 070 State :Colorado Permlt/job # :C-1981-010 <br />Date : 0710712009 County :Moffat Abbreviation :none <br />User : JDM Site : Trapper Mine Filename : C010-070 <br />Agency or organization name : Colorado Division Of Reclamation <br />Permit or other job action :Permit Revision 06 <br />Task description :Rip EF Haulroad <br />HOURLY EQUIPMENT COST <br />Basic machine: Cat D10R - 10SU (2005) Horsepower : 570 <br />Blade type : Semi-Universal <br />Attachment no. 1 : ROPS Cab Shift basis : 1 per day <br />Attachment no. 2 : 3-shank ripper <br /> Data source : (CRG) <br /> Utilization % <br />Cost Breakdown : Ownership cost/hour : $95.00 NA <br />Dozer operating cost/hour : $138.49 100 <br />Ripper operating cost/hour : $8.66 100 <br />Operator cost/hour : $32.78 NA <br />Total unit cost/hour : $274.92 Total fleet cost/hour : $1,099.69 <br />MATERIAL QUANTITIES <br />Alternate methods - <br />Seismic : NA <br />Area : 1.80 <br />Selected estimating method : Area <br />Load factor : NA Bank volume <br />Rip depth (ft) : 2.50 Volume <br />NA <br />7,260 <br />BCY <br />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 />Area : Avg. ripping depth : 2.50 feet/pass <br />Average ripping width : 8.67 feet/pass <br />Average ripping length : 500.00 feet/pass <br />Average dozer speed : 88.00 feettminute <br />Average maneuver time : 0.25 minutes/pass <br />Production per unit area : 1.007 acres/hour <br />Unadjusted production : 4,060.03 cu. yds./hour <br />JOB TIME AND COST <br />Fleet size : 4 dozer(s) <br />Unit cost : $0.082 per cu. yd. <br />Unadjusted production <br />per selected method : 4,060.03 cu. yds./hour <br />NA <br />acres <br />And <br />Site altitude : 6,400 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 : 3,369.82 cu. yds./hour <br />Adjusted fleet production : 13,479.28 cu. yds./hour <br />Total job time <br />Total job cost <br />0.54 hours <br />$592