2003-12-10_REVISION - M1977378 (2)

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CIRCES Cost Estimating Software HYDRAULIC EXCAVATOR WORK Task # : 011 Date : 12/04/2003 User : WHE State :Colorado County :San Juan Site : Sunnyside Mine Agency or organization name : DMG Permit or other job action :AR-02 Task description : Backfill Cement Creek diversion cut HOURLY EQUIPMENT COST Machine description :Cat 325C L Cost Breakdown Ownership cosUhour Operating cosUhour OperatorcosUhour Total unit cosUhour MATERIAL QUANTITIES initial volume : 1,333 LCV Utilization Swell factor : NA $32.47 NA $36.45 100 $32.02 NA $100.94 Source of estimated volume :TR-19 reclamation Source of estimated swell factor : NA HOURLY PRODUCTION Excavator Cvcle Time (load bucket, swinc loaded, dumb bucket. swing em PermiUjob # : M-1977-378 Abbreviation :none Filename : M378-011 Horsepower: 140 Weight (MT) : 28.18 Shift basis : 1 per day Data source : (CRG) Total fleet cosUhour : $100.94 Loose volume : 1,333 LCY Basic job condition description : AVERAGE Secondary job condition within basic description : AVERAGE Cycle time value : 0.29 minutes Bucket Capacity Rated bucket capacity : 2.22 LCY (heaped) Bucket size class : medium Bucket fill factor : 0.85 Hard, tough clay (80% - 90%) Adjusted bucket capacity : 1.89 LCY Job Condition Correction Factors Source Site altitude : 11,000 feet Altitude adjustment : 0.94 I (Cat HB) Job efficiency adjustment : 0.83 (] shift/day) Net job correction : 0.78 multiplier Unadjusted hourly unit production : 386.42 LCY/hour Adjusted hourly unit production : 301.48 LCY/hour Adjusted hourly fleet production : 301.48 LCY/hour JOB TIME AND COST Fleet size : 1 excavator(s) Total job time : 4.42 hours Unit cost ; $0.335 per LCY Total job cost : $446