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CIRCES Cost Estimatina Software <br />BULLDOZER RIPPING WORK <br />PROJECT IDENTIFICATION <br />Task #: 066 State :Colorado Permit/job # :C-1981-010 <br />Date : 0710712009 County :Moffat Abbreviation :none <br />User: JDM Site :Trapper Mine Filename : C010-066 <br /> <br />Agency or organization name : Colorado Division Of Reclamation Mining And Safety <br />Permit or other job action :Permit Revision 06 <br />Task description : Rip A Pit Haul Roads (Middle A and North A) <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 : 21.50 <br />acres <br />Selected estimating method : Area <br />Load factor : NA Bank volume <br />Rip depth (ft) : 2.50 Volume <br />Source of estimated quantity :Appe <br />Source of estimated load factor :NA <br />HOURLY PRODUCTION <br />Alternate methods - <br />A Table 1.4-5 <br />Seismic : Seismic velocity: NA feettsecond <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 feet/minute <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 /> <br />NA <br />NA BCY <br />86,717 BCY or CCY <br /> <br />Unadjusted production <br />per selected method : 4,060.03 cu. yds./hour <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 : 6.43 hours <br />Total job cost : $7,075 <br />