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CIRCES Cost Estimating Software <br />HYDRAULIC EXCAVATOR WORK <br />PROJECT IDENTIFICATION <br />Task # : 006 State : Colorado <br />Date <br />User <br />11/02/2009 <br />JRS <br />County : Delta <br />Site Bowie No. 2 Mine <br />Agency or organization name : Colorado Division Of Reclamation, Mining An Safety <br />Permit or other job action : 2009 Midterm Review <br />Task description Pull Back Material at Old Truck Loadout Material Storage Area <br />_.. - <br />HOURLY EQUIPMENT COST <br />Machine description : Cat 3658 L Series (2005) Horsepower: 404 <br />Weight (MT) : 70.25 <br />Cost Breakdown : <br />Utilization % <br />Ownership cost/hour : $76.39 <br />NA <br />Shift basis: <br />1 per day <br />Operating cost/hour : $102.49 <br />100 <br />Data source : <br />(CRG) <br />Operator cost/hour : $38.72 <br />NA <br />Total unit cost/hour : $217.59 Total fleet cost/hour : <br />$435.19 <br />MATERIAL QUANTITIES <br />Initial Swell Loose <br />volume : 9,790 CCY factor : 1.165 volume: <br />11,405 <br />LCY <br />Source of estimated volume : Page 3.02 -2 <br />Source of estimated swell factor CAT Handbook <br />HOURLY PRODUCTION <br />Excavator Cycle Time (load bucket swing loaded dump bucket swing empty) <br />Basic job condition description : <br />SEVERE <br />Secondary job condition within basic description : <br />SEVERE <br />Cycle time value : <br />0.57 <br />minutes <br />Bucket Capacity <br />Rated bucket capacity: 3.27 LCY (heaped) Bucket size class : <br />small <br />Bucket fill factor': 0.85 Hard, tough clay (80% - 909 <br />Adjusted bucket capacity: 2.78 LCY <br />Job Condition Correction Factors <br />Source <br />Site altitude : 6,500 feet Altitude adjustment: <br />1.00 <br />(Cat HB) <br />Job efficiency adjustment : <br />0.83 <br />(1 shift/day) <br />Net job correction : <br />0.83 <br />multiplier <br />Unadjusted hourly unit production : 292.58 LCY /hour <br />Adjusted hourly unit production : 242.84 LCY /hour <br />Adjusted hourly fleet production : 485.68 LCY /hour <br />JOB TIME AND COST <br />Fleet size : 2 excavator(s) Total job time : <br />23.48 <br />hours <br />Unit cost: $0.896 per LCY Total job cost: <br />$10,220 <br />M77 , <br />Permit/job # : C -96 -083 <br />Abbreviation : none <br />Filename :C083 -006 <br />