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PROJECT IDENTIFICATION <br />Task #: 075 <br />Date : 0310312010 <br />User : JDM <br />CIRCES Cost Estimating Software <br />BULLDOZER RIPPING WORK <br />State : Colorado <br />County :Moffat <br />Site : Trapper Mine <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 K Pit Haul Roads (Wain, K1, K2, K3) <br />HOURLY EQUIPMENT COST <br />Basic machine : Cat D10R - 10SU (2005) Horsepower <br />Blade type : Semi-Universal <br />Attachment no. 1 : ROPS Cab Shift basis <br />Attachment no. 2:3-shank ripper <br />XZ7n <br />4 --4- <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 />-------- ----- <br />MATERIAL QUANTITIES <br />Alternate methods - <br />Seismic : NA <br />Area : 7.10 <br />Selected estimating method : Area <br />NA <br />acres <br />Load factor : NA Bank volume <br />Rip depth (ft) : 2.50 Volume <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 />NA BCY <br />28,637 BCY or CCY <br />4,060.03 cu. yds./hour <br />Area : Avg. ripping depth : 2.50 feet/pass Site altitude : 6,400 feet <br />Average ripping width : 8.67 feet/pass Altitude adjustment : 1.00 (Cat HB) <br />Average ripping length : 500.00 feet/pass Job efficiency factor : 0.83 (1 shift/day) <br />Average dozer speed : 88.00 feet/minute Net job correction : 0.83 multiplier <br />Average maneuver time : 0.25 minutes/pass <br />Production per unit area : 1.007 acres/hour Adjusted unit production : 3,369.82 cu. yds./hour <br />Unadjusted production : 4,060.03 cu. yds./hour Adjusted fleet production : 13,479.28 cu. yds./hour <br /> <br />JOB TIME AND COST <br />Fleet size : 4 dozer(s) Total job time : 2.12 hours <br />Unit cost : $0.077 per cu. yd. Total job cost : $2,207 <br /> ------------ - <br />Permit/job # : C-1981-010 <br />Abbreviation :none <br />Filename :C010-075