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CIRCES Cost Estimating Software <br />SCRAPER - ONLY WORK <br />PROJECT IDENTIFICATION <br />Agency or organization name : Colorado Division Of Reclamation, Mining And Safety <br />Task # : 009 State : Colorado Permit/job #: C-2006-085 <br />Date : 0311712010 County :Fremont Abbreviation :none <br />User : JRS Site : Northfield Mine Filename : C085-009 <br />Permit or other job action : Technical Revision 1 <br />Task description : Place Approximately Three Feet of Cover on Waste Fill Pile <br />HOURLY EQUIPMENT COST <br />Model : Cat 621G <br />Cost Breakdown : Job utilization % <br />Ownership cost/hour : $55.14 NA <br />Operating cost/hour : $79.09 100 <br />l <br />MATERIAL QUANTITIES <br />Initial <br />volume : 7.560 <br />Shift basis : 1 per day <br />Horsepower : 365 <br />Weight (UST) : 35.55 <br />Cost data source : (CRG) <br />NA <br />Total fleet cost/hour : $159.21 <br />Swell Loose <br />CCY factor : 1.165 volume: 8,807 LCY <br />Source of quantity take-off : Pages 2.05.3-20 and 2.05.4-7, Map 12 <br />Source of estimated swell factor : CAT Handbook <br />.......... - .................. ...., -..._.., . <br />HOURLY PRODUCTION ., ....... <br />Hauling Capacity : <br />Scraper Payload (weight) Basis : Scraper Bowl (volume) Basis : <br />Material weight : 2,900 pounds/LCY Struck volume : 14.00 LCY <br />Material description : Heaped volume: 21.00 LCY <br />Decomposed rock - 50% Rock, 50% Earth Average volume : 17.50 LCY <br />Rated payload : 48,000 pounds <br />Payload capacity: 16.55 LCY Adjusted capacity : 16.55 LCY <br />Cycle Time (load + haul + spread + return) : Loading time : 2.00 minutes <br /> Maneuver and spreading time : 0.70 minutes <br />Travel time : • l oading time per pair on push-pull models <br />Route Distance (feet) Grade (%) Roll. res.(%) Total res.(%) Velocity (fpm) Travel time (min.) <br />Haul: 1,100 2.0 4.0 6.0 1,204 0.99 minutes** <br />Return : 1,100 -2.0 4.0 2.0 2,898 0.38 minutes " <br />" travel time adjusted for acceleration and deceleration at load and dump points <br />velocities are max. attainable per total resista nce shown, not average Total cycle time 4.07 minutes <br />Job Condition Correction Factors : <br />Site altitude (feet) : 5,400 Adjusted Hourly Production ; <br />Altitude adjustment factor : 1.00 (Cat HB) Unadjusted unit production : 244.28 LCY/Hour*** <br />Job efficiency factor : 0.83 (1 shift/day) Adjusted unit production : 202.75 LCY/Hour <br /> Adjusted fleet production : 202.75 LCY/Hour <br />Net job correction factor : 0.83 2 times volume on push-pull models <br />JOB TIME AND COST <br />Fleet size : 1 Scraper(s) Total job time : 43.44 Hours <br />Unit cost : $0.785 /LCY Total job cost : $6,916 <br /> <br />Operator cost/hour : $24.98 <br />Total unit cost/hour : $159.21