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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 #: 051 State : Colorado Permit/job #: C-2006-085 <br />Date : 0311712010 County :Fremont Abbreviation :none <br />User: JRS Site :Northfield Mine Filename :C085-051 <br />Permit or other job action : Technical Revision 1 <br />Task description :Replace Topsoil to Vent Shafts Light-Use Road <br />HOURLY EQUIPMENT COST <br />Model : Cat 621G Shiftbasis : 1 Der day <br />Cost Breakdown : Job utilization % Horsepower : 365 <br />Ownership cost/hour : $55.14 NA Weight (UST) : 35.55 <br />Operating cost/hour : $79.09 100 Cost data source : (CRG) <br />Operator cost/hour : $24.98 NA <br />Total unit cost/hour : $159.21 Total fleet cost/hour : $159.21 <br />MATERIAL QUANTITIES <br />Initial Swell Loose <br />volume : 112 CCY factor : 1.125 volume : 126 LCY <br />Source of quantity take-off :Page 2.05.4-7; Map 12 <br />Source of estimated swell factor : CAT Handbok <br /> <br />HOURLY PRODUCTION <br />Hauling Capacity : <br />Scraper Payload (weight) Basis : Scraper Bowl (volume) Basis : <br />Material weight : 2,550 pounds/LCY Struck volume : 14.00 LCY <br />Material description : Heaped volume : 21.00 LCY <br />Earth - Dry packed Average volume : 17.50 LCY <br />Rated payload : 48,000 pounds <br />Payload capacity : 18.82 LCY Adjusted capacity : 17.50 LCY *** <br />Cycle Time (load + haul + spread + return) : Loading time : 2.00 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 : 500 1.0 5.0 6.0 1,204 0.49 minutes ** <br />Return : 500 -1.0 5.0 4.0 2,763 0.18 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 : 3.37 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 : 311.71 LCY/Hour*** <br />Job efficiency factor : 0.83 (1 shift/day) Adjusted unit production : 258.72 LCY/Hour <br /> Adjusted fleet production : 258,72 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 : 0.49 Hours <br />Unit cost : $0.615 /LCY Total job cost : $78