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PROJECT IDENTIFICATION <br />Agency or org <br />Task #: 019 <br />Date : 0312912009 <br />User : JRS <br />CIRCES Cost Estimating Software <br />SCRAPER - ONLY WORK <br />anization name : Colorado Division Of Reclamation, Mining And Safety _ <br />State : Colorado Permit/job #: C-1984-065 <br />County : Garfield Abbreviation :none <br />Site : Coal Ridge Mine Filename : C065-019 <br />Permit or other job action :2009 Midterm Review <br />Task description : Replace Topsoil from Stockpile to Sediment Pond <br />HOURLY EQUIPMENT COST <br />Model : Cat 621 G <br />Cost Breakdown : <br />Ownership cost/hou <br />Operating cost/hou <br />Operator cost/hou <br />Total unit cost/hou <br />MATERIAL QUANTITIES <br />Initial <br />volume : 4,678 CCY <br />Shift basis : 1 per day <br /> Job utilization % Horsepower : 365 <br />r : $50.48 NA Weight (UST) : 35.55 <br />r : $85.90 100 Cost data source : (CRG) <br />r : $24.95 NA <br />r : $161.33 Total fleet cost/hour : $161.33 <br /> <br />Swell Loose <br />factor : 1.125 volume : 5,263 LCY <br />Source of quantity take-off :Plate 4-1 <br />Source of estimated swell factor : CAT Handbook <br />HOURLY PRODUCTION <br />Hauling Capacity : <br />Scraper Payload (weight) Basis : <br />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 <br />Cycle Time (load + haul + spread + return) : <br />Travel times <br />Adjusted capacity : 17.50 LCY *** <br />Loading time: 2.00 minutes <br />Maneuver and spreading time : 0.70 minutes <br />loading time per pair on push-pull models <br />Route Distance (feet) Grade (%) Roll. res.(%) Total res.(%) Velocity (fpm) Travel time (min.) <br />Haul : 1,300 -3.5 4.0 0.5 2,903 0.69 minutes ** <br />Return : 1,300 3.5 4.0 7.5 1,468 0.89 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 4.28 minutes <br />Job Condition Correction Factors : <br />Site altitude (feet) : 5,700 Adjusted Hourly Production ; <br />Altitude adjustment factor : 1.00 (Cat HB) Unadjusted unit production : 245.61 LCY/Hour*** <br />Job efficiency factor : 0.83 (1 shift/day) Adjusted unit production : 203.86 LCY/Hour <br /> Adjusted fleet production : 203.86 LCY/Hour <br />Net job correction factor : 0.83 2 times volume on push-pull models <br />3 <br />JOB TIME AND COST <br />Fleet size <br />Unit cost : <br />1 Scraper(s) Total job time : <br />$0.791 /LCY Total job cost : <br />25.82 Hours <br />$4,165