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CIRCES Cost Estimating Software <br />HYDRAULIC EXCAVATOR WORK <br />PROJECT IDENTIFICATION <br />Task # : 050 State : Colorado Permit/job # : C-1981-038 <br />Date : 1210212010 County : Delta Abbreviation : none <br />User : JRS Site: Bowie No. 1 Mine Filename C038-050 <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 :Regrade Timber Storage Access Road <br />HOURLY EQUIPMENT COST <br />Machine description :Cat 330C L <br />Horsepower: 244 <br /> Weight (MT) : 33.72 <br />Cost Breakdown : Utilization % <br />Ownership cost/hour : $45.38 NA Shift basis : 1 per day <br />Operating cost/hour : $53.71 100 Data source : (CRG) <br />Operator cost/hour : $38.72 NA <br />Total unit cost/hour : $137.82 Total fleet cost/hour : $137,82 <br />MATERIAL QUANTITIES <br />Initial Swell Loose <br />volume : 1,866 BCY factor : 1.330 volume : 2,482 LCY <br /> <br />Source of estimated volume: Map 8-2 <br />Source of estimated swell factor : CAT Handbook <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 : 0.32 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% - 909,D) <br />Adjusted bucket capacity: 1.91 LCY <br />Job Condition Correction Factors Source <br />Site altitude : 7,000 feet Altitude adjustment : 1.00 (Cat HB) <br />Job efficiency adjustment : 0.83 (1 shift/day) <br />Net job correction : 0.83 multiplier <br /> <br />Unadjusted hourly unit production : 357.48 LCY/hour <br />Adjusted hourly unit production : 296.71 LCY/hour <br />Adjusted hourly fleet production : 296.71 LCY/hour <br />JOB TIME AND COST <br />Fleet size excavator(s) Total job time : 8.36 hours <br />Unit cost : $0.464 per LCY Total job cost : $1,153 <br />