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CIRCES Cost Estimating Software <br />BULLDOZER RIPPING WORK <br />PROJECT IDENTIFICATION <br />Task # : 003 <br />Date : 1210812009 <br />User: PSH <br />State : Colorado <br />County : Grand <br />Site : Pickering Family Pit <br />Permit/job # : M2009086 <br />Abbreviation :none <br />Filename : M086-003 <br />Agency or organization name : Colorado Department Of Reclamation, Mining And Safety <br />Permit or other job action : New Permit Bond Estimate <br />Task description :Scarify 7.5 Acres <br />HOURLY EQUIPMENT COST <br />Basic machine : Cat D8R Series 11 - 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 : 7.50 <br />NA <br />acres <br />Selected estimating method : Area <br />Load factor : NA Bank volume : NA BCY <br />Rip depth (ft) : 0.50 Volume : 6,050 BCY or CCY <br />Source of estimated quantity :Permit Application <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 />Area : Avg. ripping depth : 0.50 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 : 656.18 cu. yds./hour <br />JOB TIME AND COST <br />Fleet size : 1 dozer(s) <br />Unit cost : $0.310 per cu. yd. <br />Unadjusted production <br />per selected method <br />656.18 cu. yds./hour <br />Site altitude : 8,150 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 : 544.63 cu. yds./hour <br />Adjusted fleet production : 544.63 cu. yds./hour <br />Total job time : 11.11 hours <br />Total job cost : $1,874