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CIRCES Cost Estimating Software <br />BULLDOZER RIPPING WORK <br />PROJECT IDENTIFICATION <br />Task #: 009 <br />Date : 0610212011 <br />User : RCO <br />State : Colorado Permit/job # : M-2011-013 <br />County: San Miguel Abbreviation :none <br />Site :Airport Pit Filename : M013-009 <br />Agency or organization name: DRMS <br />Permit or other job action : New 112c <br />Task description :Rip compacted soil in stockpile and processing area <br />HOURLY EQUIPMENT COST <br />Basic machine : Cat D8R Series Il - 8SU (200: Horsepower : 310 <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 : $53.54 NA <br />Dozer operating cost/hour : $70.36 100 <br />Ripper operating cost/hour : $6.29 100 <br />Operator cost/hour : $38.54 NA <br />Total unit cost/hour : $168.72 Total fleet cost/hour : $168.72 <br />MATERIAL QUANTITIES <br />Alternate methods - <br />Seismic : NA <br />Area : 3.00 <br />Selected estimating method <br />NA <br />acres <br />Load factor : NA Bank volume <br />Rip depth (ft) : 1.00 Volume <br />Area <br />NA BCY <br />4,840 BCY or CCY <br />Source of estimated quantity : per plan <br />Source of estimated load factor : NA <br />HOURLY PRODUCTION <br />Alternate methods - Jo <br />Seismic : Seismic velocity : NA feet/second <br />Unadjusted production : NA cu. yds./hour <br />Area : Avg. ripping depth : 1.00 feet/pass <br />Average ripping width : 7.08 feet/pass <br />Average ripping length : 400.00 feet/pass <br />Average dozer speed : 88.00 feet/minute <br />Average maneuver time : 0.25 minutes/pass <br />Production per unit area : 0.813 acres/hour <br />Unadjusted production : 1,312.35 cu. yds./hour <br />JOB TIME AND COST <br />Fleet size : 1 dozer(s) <br />Unit cost : $0.155 per cu. yd. <br />Unadjusted production <br />per selected method <br />cu. yds./hour <br />Site altitude : 9,100 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 <br />Adjusted fleet production <br />Total job time : <br />Total job cost : <br />1,312.35 <br />1,089.25 cu. yds./hour <br />1,089.25 cu-yds./hour <br />4.44 hours <br />$750