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CIRCES Cost Estimating Software <br />SCRAPER - ONLY WORK <br />'ROJECT IDENTIFICATION <br />Agency or organization name: Colorado Division Of Reclamation, Mining And Safety <br />Task #: 045 State : Colorado Permit/job #: C-2006-085 <br />Date : 03/17/2010 County : Fremont Abbreviation : none <br />User : JRS Site : Northfield Mine Filename : C085-045 <br />NA <br />Total fleet cost/hour <br />Permit or other job action :Technical Revision 1 <br />Task description : Replace Topsoil to Mine Waste Pile <br />HOURLY EQUIPMENT COST <br />Model : Cat 621G Shiftbasis : 1 per day <br />Cost Breakdown : <br />Ownership cost/hour : <br />Operating cost/hour : <br />Operator cost/hour : <br />Total unit cost/hour <br />MATERIAL QUANTITIES <br />Initial <br />volume : 4,050 CCY <br />Job utilization % <br />$55.14 NA <br />$79.09 100 <br />$24.98 <br />Swell <br />factor <br />Horsepower : 365 <br />Weight (UST) : 35.55 <br />Cost data source : (CRG) <br />$159.21 <br />Loose <br />1.125 volume: 4,556 LCY <br />Source of quantity take-off :Page 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 : 2,550 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 : 1,600 2.0 5.0 7.0 1,044 1.59 minutes ** <br />Return : 1,600 -2.0 5.0 3.0 2,870 0.56 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 4.84 minutes <br />Job Condition Correction Factors : <br />Site altitude (feet) : 5,400 Adiusted Hourly Production ; <br />Altitude adjustment factor : 1.00 (Cat HB) Unadjusted unit production : 216.75 LCY/Hour*** <br />Job efficiency factor : 0.83 (1 shift/day) Adjusted unit production : 179.90 LCY/Hour <br /> Adjusted fleet production : 179.90 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 : 25.33 Hours <br />Unit cost : $0.885 /LCY Total job cost : $4,032