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CIRCES Cost Estimatina Software <br />SCRAPER . ONLY WORK <br />PROJECT IDENTIFICATIO <br />Agency or organization name : DRMS <br />Task #: 028 State : Colorado <br />Date : 061/30/2008 County : Elbert <br />User : JLE Site : Ddd Mine (West Pit) <br />Permit or other job action : SO <br />Task description :MC <br />HOURLY EQUIPMENT COST <br />overburden from <br />Model : Cat 623G <br />Permit/job #: M-1984076 <br />Abbreviation : none <br />Filename :M076-02a <br />to pit. <br />Shift basis : 1 per day <br />Cost Breakdown : Job utilization % Horsepower : 365 <br />Ownership cost/hour : $75.32 NA Weight (UST) : 40.92 <br />Operating cost/hour : $77.28 75 Cost data source : (CRG) <br />Operator cost/hour : $24.95 NA <br />Total unit cost/hour : $17754 Total fleet cost(hour : $355.08 <br />MATERIAL QUANTITIES <br />Initial Swell Loose <br />volume : 12,500 BCY factor : 1.250 volume : 15,625 LCY <br />Source of quantity take-off : Inspection <br />Source of estimated swell factor : Application <br /> <br />.................................. <br />% HOURLY PRODUCTION ................. <br />Haulina Capacity : <br />Scraper Payload (weight) Basis : Scraper Bowl (volume) Basis : <br />Material weight : 2,650 pounds/LCY Struck volume : 18.00 LCY <br />Material description : Heaped volume : 23.00 LCY <br />Decomposed rock - 25% Rock, 75% Earth Average volume : 20.50 LCY <br />Rated payload : 55,000 pounds <br />Payload capacity: 20.75 LCY Adjusted capacity: 20.50 LCY "• <br />Cycle Time (load + haul + spread + return) : Loading time : 0.90 minutes' <br /> Maneuver and spreading time : 0.70 minutes <br />Travel time : • loading time per pair on push-pull models <br />Route Distance (feet) Grade (%) Roll. res.(%) Total res.(%) Velocity (fpm) Travel time (min.) <br />Haul : 915 3.0 4.0 7.0 944 1.02 minutes " <br />Return: 915 -3.0 4.0 1.0 2,710 0.34 minutes " <br />" travel time adjusted for acceleration and deceleration at load and dump points <br />velocities are max. attainable per total resistance shown. not average Total cycle time : 2.96 minutes <br />Job Condition Correction Factors : <br />Site altitude (feet) : 6,050 Adlusted Hourly Production : <br />Altitude adjustment factor : 1.00 (Cat HB) Unadjusted unit production : 415.52 LCY/Hour''' <br />Job efficiency factor : 0.83 (1 shift/day) Adjusted unit production : 344.88 LCY/Hour <br /> Adjusted fleet production : 689.76 LCY/Hour <br />Net job correction factor : 0.83 2 times volume on push-pull models <br />JOB TIME AND COST <br />Fleet size : 2 Scraper(s) Total job time : 22.65 Hours <br />Unit cost : $0.515 /LCY Total job cost : $8,044