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CIRCES Cost Estimating Software <br />HYDRAULIC EXCAVATOR WORK <br />PROJECT IDENTIFICATION <br />Task f. 076 State :Colorado Permit/job #: C-1981-038 <br />Date : 1210212010 County : Delta Abbreviation : none <br />User : JRS Site : Bowie No. 1 Mine Filename : C038-076 <br />Agency or organization name : Colorado Division Of Reclamation, Mining And Safety <br />Permit or other job action :2010 Midterm Review (MT-6) <br />Task description : Construct 4,340 Feet of 12 Foot Ditches <br />HOURLY EQUIPMENT COST <br />Machine description : Cat 330C L <br />Cost Breakdown : Utilization % <br />Ownership cost/hour : $45.38 NA <br />Operating cost/hour : $53.71 100 <br />Operator cost/hour:--$38,72 NA <br />Horsepower: 244 <br />Weight (MT) : 33.72 <br />Shift basis : 1 per day <br />Data source : (CRG) <br />Total unit cosunour : $137.82 Total fleet cost/hour : $137.82 <br />MATERIAL QUANTITIES <br />Initial Swell Loose <br />volume : 5,786 BCY factor : 1.330 volume : 7,695 LCY <br />Source of estimated volume 1998 Operator Estimate <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 : SEVERE <br />Secondary job condition within basic description : SEVERE <br />Cycle time value : 0.45 minutes <br />Bucket Capacity <br />Rated bucket capacity : 2.25 LCY (heaped) Bucket size class : medium <br />Bucket fill factor : 0.85 Hard, tough clay (80% - 90%) <br />Adjusted bucket capacity : 1.91 LCY <br />Job Condition Correction Factors Source <br />Site altitude : 7,000 feet Altitude adjustment : 1.00 I (Cat HB) <br />Job efficiency adjustment : 0.83 (1 shift/day) <br />Net job correction : 0.83 multiplier <br /> <br />Unadjusted hourly unit production : 257.87 LCY/hour <br />Adjusted hourly unit production : 214.03 LCY/hour <br />Adjusted hourly fleet production : 214.03 LCY/hour <br />JOB TIME AND COST <br />Fleet size : 1 excavator(s) Total job time : 35.96 hours <br />Unit cost : $0.644 per LCY Total job cost : $4,955 <br />