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CIRCES Cost Estimating Software <br />HYDRAULIC EXCAVATOR WORK <br />PROJECT IDENTIFICATION <br />Task # 007 State : Colorado Permit/job #:M-1981-185 <br />Date <br />User <br />09/15/2009 <br />WHE <br />County :La Plata <br />Site : May Day Mine <br />Abbreviation :none <br />Filename : M185-007 <br />Agency or organization name : DRMS <br />Permit or other job action :Routine bond update <br />Task description :Kghwall reduction at Level 1 <br />HOURLY EQUIPMENT COST <br />Machine description : Cat 320C <br />Horsepower: 138 <br />Weight (MT) : 19.70 <br />Cost Breakdown : Utilization % <br />Ownership cost/hour : $26.22 NA Shift basis : 1 per day <br />Operating cost/hour : $42.86 100 Data source : (CRG) <br />Operator cost/hour : $38.72 NA <br />Total unit cost/hour : $107.80 Total fleet cost/ho ur : $107.80 <br />MATERIAL QUANTITIES <br />Initial Swell Loose <br />volume : 1,117 LCY factor : NA volume : 1,117 LCY <br /> <br />Source of estimated volume: See attached drawing, "Highwa/l Reduction, L evel 1" <br />Source of estimated swell factor : NA <br /> <br />HOURLY PRODUCTION <br />Excavator Cycle Time (load bucket swing loaded dump bucket swing empty) <br />Basic job condition description : AVERAGE <br />Secondary job condition within basic description : AVERAGE <br />Cycle time value : 0.28 minutes <br />Bucket Capacitv <br />Rated bucket capacity : 2.22 LCY (heaped) Bucket size class : large <br />Bucket fill factor : 0.68 Rock - Well blasted (60% - 759/6) <br />Adjusted bucket capacity : 1.50 LCY <br />Job Condition Correction Factors Source <br />Site altitude : 9,200 feet Altitude adjustment : 0.87 (Cat HB) <br />Job efficiency adjustment : 0.83 (1 shift/day) <br />Net job correction : 0.72 multiplier <br /> <br />Unadjusted hourly unit production : 316.58 LCY/hour <br />Adjusted hourly unit production : 228.61 LCY/hour <br />Adjusted hourly fleet production : 228.61 LCY/hour <br /> <br />JOB TIME AND COST . <br />Fleet size : 1 excavator(s) Total job time : 4.89 hours <br />Unit cost : $0.472 per LCY Total job cost : $527 <br />