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CIRCES Cost Estimating Software <br />BULLDOZER RIPPING WORK f <br />PROJECT IDENTIFICATION Permit/job #: C-1981-010 <br />Task # : 064 State : Colorado _ <br />Abbreviation :none <br />Date : 0310312010 County :Moffat Filename :C010-064 <br />User: JDM 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 D Pit Haulroads (D1, D3, D4, D5, and DMain) _ <br />HOURLY EQUIPMENT COST Horsepower: <br />Basic machine : Cat D10R - 10SU (2005) 570 <br />Blade type : Semi-Universal <br />Attachment no. 1 : ROPS Cab Shift basis : 1 per day <br />Attachment no. 2 -shank ripper <br />: <br />(CRG) <br />Data source <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 />69 Total fleet cost/hour : <br />$259 <br />$1,038.77 <br />. <br />Total unit cost/hour : <br />MATERIAL QUANTITIES <br />Selected estimating method : Area <br />Alternate methods - <br />Seismic : NA NA Load factor : NA Bank volume <br />Area : 28.10 acres 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 />113,337 BCY or CCY <br />4,060.03 cu. yds./hour <br />Area : Avg. ripping depth : 2.50 feet/pass Site altitude : 6,400 <br />00 <br />1 feet <br />(Cat HB) <br />Average ripping width : 8.67 feet/pass Altitude adjustment : . <br />83 <br />0 (1 shift/day) <br />Average ripping length : 500.00 feet/pass Job efficiency factor: . <br />83 <br />0 multiplier <br />Average dozer speed : 88.00 feet/minute Net job correction : . <br />Average maneuver time : 0.25 minutes/pass <br />/h <br />Adjusted unit production : <br />3,369.82 <br />cu. yds./hour <br />Production per unit area : 1.007 our <br />acres <br />r <br />/h <br />d Adjusted fleet production : 13,479.28 cu. yds. our <br /> <br />production : <br />Unadjusted <br />4,060.03 <br />ou <br />s. <br />cu. y <br /> <br />JOB TIME AND COST <br />i <br />4 <br />dozer(s) <br />Total job time : <br />8.41 <br />hours <br />ze : <br />Fleet s <br />Unit cost : $0.077 per cu. yd. Total job cost : $8,734