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CIRCES Cost Estimating Software <br />BULLDOZER RIPPING WORK <br />PROJECT IDENTIFICATION <br />Task #: 039 <br />Date : 0711412010 <br />User: JRS <br />Agency or organization name : Colorado Division Of Reclamation, Mining And Safety <br />Permit or other job action :2010 Midterm Review (MT-06) <br />Task description : Rip/Scarify South Portal and UTL Areas Prior to Topsoil Replacement <br />HOURLY EQUIPMENT COST <br />State : Colorado <br />County:Mesa <br />Site : Roadside Portals <br />Basic machine : Cat D9R - 9SU (2005) Horsepower : 405 <br />Blade type : Semi-Universal <br />Attachment no. 1 : ROPS Cab Shiftbasis : 1 per day <br />Attachment no. 2 :1-shank ripper <br /> Data source : (CRG) <br /> Utilization % <br />Cost Breakdown : Ownership cost/hour : $67.87 NA <br />Dozer operating cost/hour : $101.59 100 <br />Ripper operating cost/hour : $10.70 100 <br />Operator cost/hour : $38.54 NA <br />Total unit cost/hour : $218.71 Total fleet cost/hour : $656.12 <br />MATERIAL QUANTITIES <br /> Selected esti mating method : Seismic <br />Alternate methods - <br />Seismic : 50,000 BCY Load factor : NA Bank volume : 50,000 BCY <br />Area : NA acres Rip depth (ft) : NA Volume : NA BCY or CCY <br />Source of estimated quantity: Exhibit 6A; Division Estimate <br />Source of estimated load factor : NA <br />HOURLY PRODUCTION <br />Alternate methods - <br />Seismic : Seismic velocity: 3,000 feet/second <br />Unadjusted production : 1,820.80 cu. yds./hour <br />Area : Avg. ripping depth : NA feet/pass <br />Average ripping width : NA feet/pass <br />Average ripping length : NA feet/pass <br />Average dozer speed : NA feet/minute <br />Average maneuver time : NA minutes/pass <br />Production per unit area : NA acres/hour <br />Unadjusted production : NA cu. yds./hour <br />JOB TIME AND COST <br />Fleet size : 3 dozers) <br />Unit cost : $0.145 per cu. yd. <br />UU \lVI IUILIVII VVI I MAW1I 1 OULU!0 - <br />Unadjusted production <br />per selected method : 1,820.80 cu. yds./hour <br />Site altitude : 5,000 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 : 1,511.26 cu. yds./hour <br />Adjusted fleet production : 4,533.79 cu. yds./hour <br />Total job time : 11.03 hours <br />Total job cost : $7,236 <br />Permit/job # : C-1981-041 <br />Abbreviation : none <br />Filename :C041-039