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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 #: 049 State : Colorado Permit/job #: C-2006-085 <br />Date : 0311712010 County :Fremont Abbreviation :none <br />User: JRS Site : Northfield Mine Filename : C085-049 <br /> <br />Perm it or other job action : Technical Revision 1 <br /> Task description : Replace Topsoil to Haul Road <br /> <br /> <br />HOURLY EQ <br />UIPMENT COST E <br /> Model : Cat 621G Shift basis : 1 per 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 : 352 CCY factor : 1.125 volume: 396 LCY <br />Source of quantity take-off :Page 2.05.4-7; Map 12 <br />Source of estimated swell factor : CAT Handbook <br />HOURLY PRODUCTION <br />Hauling Capacity : <br />Scraper Payload (weight) Basis : I Scraper Bowl (volume) Basis : <br />Material weight : 2,550 pounds/LCY <br />Material description <br />Earth - Dry packed <br />Rated payload: 48,000 pounds <br />Payload capacity : 18.82 LCY <br />Cycle Time (load + haul + spread + return) : <br />Travel time : <br />Struck volume : 14.00 LCY <br />Heaped volume : 21.00 LCY <br />Average volume : 17.50 LCY <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 : 1,600 1.0 5.0 6.0 1,204 1.40 minutes ** <br />Return : 1,600 -1.0 5.0 4.0 2,763 0.58 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 <br />Job Condition Correction Factors : <br />Site altitude (feet) : 5,400 <br />Altitude adjustment factor : 1.00 (Cat HB) <br />Job efficiency factor : 0.83 (1 shift/day) <br />Total cycle time 4.68 minutes <br />Adjusted Hourly Production ; <br />Unadjusted unit production : 224.35 LCY/Hour*** <br />Adjusted unit production : 186.21 LCY/Hour <br />Adjusted fleet production : 186.21 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 : 2.13 Hours <br />Unit cost : $0.855 /LCY Total job cost : $339