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CIRCES Cost Estimating Software <br />HYDRAULIC EXCAVATOR WORK <br />PROJECT IDENTIFICATION <br />Task # : 075 <br />Date : 11/20/2007 <br />User : JRS <br />State :Colorado <br />County :Delta <br />PermiUjob # : C-1981-038 <br />Abbreviation :none <br />Site :Bowie No. 1 Mine Filename : C038-075 <br />Agency or organization name :Colorado Division Of Reclamation, Mining And Safety <br />Permit or other job action :Partial Phase 1 Bond Release SL-03 <br />Task description :Construct 2, 730 Feet of 3 Foot Ditches <br />HOURLY E::::UIPMENT:C ::::::........................................................................................................................................................................... <br />................................. <br />Q OST <br />Machine description :Cat 330C L <br />Horsepower: 244 <br />Weight (MT) : 33.72 <br />Cost Breakdown : Utilization <br />Ownership cost/hour : $45.61 NA Shift basis : 1 per day <br />Operating cost/hour : $61.06 100 Data source : (CRG) <br />Operator cosUhour : $32.96 NA <br />Total unit cosUhour : $139.63 Total fleet cosUhour : $139.63 <br />MATERIAL QUANTITIES <br />Initial Swell Loose <br />volume : 1,000 BCY factor : 1.330 volume : 1,330 LCY <br /> <br />Source of estimated volume :1998 Operator Estimate <br />Source of estimated swell factor :CAT Handbook <br /> <br /> <br />.............................:.::::::::::::::::::::::::::::::::::::::::.::::::::::::::::::::::::::::::::::::::::::.:::::::::::::::::::::::::::::::: <br />HOURLY PR:::.D::;::.; .................................................................................................................................................... <br />O UCTION <br />:::::::.::::::.:::::::::::::::::::::::::::::: <br />............................................ <br />:::::::::::::::::::::::::::::: <br />............................... <br />Excavator Cycle Time (load bucket, swing loaded, dump bucket, swing emotyl <br />Basic job condition description : SEVERE <br />Secondary job condition within basic description : SEVERE <br />Cycle time value : 0.45 minutes <br />Bucket Caaacity <br />Rated bucket capacity : 2.25 LCY (heaped) Bucket size class : medium <br />Bucket fill factor : 0.85 Haul, 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 CO:::T .:::......................................................................................................................................... <br />S ............................................ .............................. <br />Fleet size : 1 excavator(s) Total job time : 6.21 hours <br />Unit cost : $0.652 per LCY Total job cost : $868 <br /> <br />