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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 # : 041 State : Colorado Permit/job #: C-1980-004 <br />Date : 0312612009 County : Garfield Abbreviation :none <br />User : JRS Site : Mcclane Canyon Mine Filename :0004-041 <br />Permit or otherjob action :2009 Midterm Review <br />Task description : Replace Topsoil from Stockpile to Coal Mine Waste Pile <br />HOURLY EQUIPMENT COST <br />Model :Cat 627G Shift basis : 1 er da <br />Cost Breakdown : <br />Job utilization % <br />NA <br />100 <br />p Y <br />Horsepower : 590 <br />Weight (UST) : 40.90 <br />Cost data source : (CRG) <br />Ownership cost/hour : $55.31 <br />Operating cost/hour : $122.08 <br />Operator cost/hour : $24.95 <br />Total unit cost/hour : $202.34 <br />MATERIAL QUANTITIES <br />Initial Swell <br />volume : 7,760 BCY factor <br />NA <br />Total fleet cost/hour : $202.34 <br />Loose <br />1.250 volume : 9,700 LCY <br />Source of quantity take-off : Figure 2.2-2, Operator Estimate <br />Source of estimated swell factor : CAT Handbook <br />HOURLY PRODUCTION <br />Hauling Capacity : <br />Scraper Payload (weight) Basis : Scraper Bowl (volume) Basis : <br />Material weight : 2,550 pounds/LCY Struck volume : 15.70 LCY <br />Material description : Heaped volume : 21.00 LCY <br />Earth - Dry packed Average volume : 18.35 LCY <br />Rated payload : 48,000 pounds <br />Payload capacity : 18.82 LCY Adjusted capacity : 18.35 LCY *** <br />Cycle Time (load + haul + spread + return): Loading time : 1.50 minutes <br /> Maneuver and spreading time : 0.60 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 : 1,000 5.0 3.0 8.0 1,381 0.79 minutes ** <br />Return : 1,000 -5.0 3.0 -2.0 2,938 0.41 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 : 3.30 minutes <br />Job Condition Correction Factors : <br />Site altitude (feet) : 5,600 Adjusted Hourly Production <br />Altitude adjustment factor : 1.00 (Cat HB) Unadjusted unit production : 333.47 LCY/Hour*** <br />Job efficiency factor : 0.83 (1 shift/day) Adjusted unit production : 276.78 LCY/Hour <br /> Adjusted fleet production : 276.78 LCY/Hour <br />Net job correction factor : 0.83 " 2 times volume on push-pull models <br /> <br />JOB TIME AND COST <br />Fleet size : 1 Scraper(s) Total job time : 35.05 Hours <br />Unit cost : $0.731 /LCY Total job cost : $7,091 <br />