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CIRCES Cost Estimating Software <br />BULLDOZER RIPPING WORK <br />PROJECT IDENTIFICATION <br />Task # : 07b State : Colorado Permit/job #: C-1981-033 <br />Date : 0411512009 County : Gunnison Abbreviation :none User : SLB Site : Bear No. 3 Filename : C033-07b <br />Agency or organization name : CDRMS <br />Permit or other job action :Phase I Bond Release <br />Task description : Rip/scarify replaced topsoil <br />HOURLY EQUIPMENT COST <br />Basic machine : Cat D3G XL - 3P Horsepower : 70 <br />Blade type : Power Angle Tilt <br />Attachment no. 1 : ROPS Cab Shift basis per-day <br />Attachment no. 2:3-shank ripper <br />Data source : (CRG) <br /> Utilization % <br />Cost Breakdown : Ownership cost/hour : $12.77 NA <br /> Dozer operating cost/hour : $21.62 100 <br />Ripper operating cost/hour : $1.99 100 <br /> Operator cost/hour : $32.78 NA <br /> Total unit cost/hour : $69.16 Total fleet cost/hour : $69.16 <br />MATERIAL QUANTITIES <br /> Selected estimating method : Area <br />Alternate methods - <br />Seismic : NA NA Load factor : NA Bank volume : NA BCY <br />Area : 7.28 acres Rip depth (ft) : 1.00 Volume : 11,745 BCY or CCY <br /> <br />Source of estimated quantity :Division Estimate _ <br />Source of estimated load factor : NA <br /> <br />HOURLY PRODUCTION <br />Alternate methods - Job Condition Correction Factors - <br />Seismic : Seismic velocity : NA feet/second Unadjusted production <br />Unadjusted production : NA cu. yds./hour per selected method : 814.28 cu. yds./hour <br /> <br />Area : Avg. ripping depth : 1.00 feet/pass Site altitude : 6,000 feet <br />Average ripping width : 5.08 feet/pass Altitude adjustment : 1.00 (Cat HB) _ <br />Average ripping length : 100.00 feet/pass Job efficiency factor : 0.83 (1 shift/da_y_) <br />Average dozer speed : 88.00 feet/minute Net job correction : 0.83 multiplier <br />Average maneuver time : 0.25 minutes/pass <br />Production per unit area : 0.505 acres/hour Adjusted unit production : 675.85 cu. yds./hour <br />Unadjusted production : 814.28 cu. yds./hour Adjusted fleet production : 675.85 cu. yds./hour <br /> <br />JOB TIME AND COST <br />Fleet size : 1 dozer(s) Total job time : 17.38 hours <br />Unit cost : $0.102 per cu. yd. Total job cost : $1,202 <br />