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CIRCES Cost Estimating Software <br />SCRAPER - ONLY WORK <br />PROJECT IDENTIFICATION <br />Agency or organization name: DRMS <br />Task # : 003 State : Colorado <br />Date : 1012412008 County :La Plata <br />User : WHE Site : Craig Pit <br />Permit or other job action :Routine bond update . <br />Task description :Backfill South Phase 1 Highwall <br />HOURLY EQUIPMENT COST <br />Cost Breakdown <br />Permit/job #:M-1976-027 <br />Abbreviation :none <br />Filename :M027-003 <br />Model :Cat 633E Series 2 (2001) <br />Job utilization % Horsepower <br />Ownership cost/hour : $80.67 NA Weight (UST) : 56.34 <br />Operating cost/hour : $117.98 100 Cost data source : (CRG) <br />Operator cost/hour : $24.95 NA <br />Total unit cost/hour : $223.59 Total fleet cost/hour : $447.18 <br />MATERIAL QUANTITIES <br />Initial Swell Loose <br />volume : 40,889 CCY factor : 1.110 volume : 45,387 LCY <br />Source of quantity take-off : TR-02 Exhibit L task 4 <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 : 2,800 pounds/LCY Struck volume : 23.20 LCY <br />Material description : Heaped volume : 34.00 LCY <br />Clay - Natural bed Average volume : 28.60 LCY <br />Rated payload : 82,000 pounds <br />Payload capacity : 29.29 LCY Adjusted capacity : 28.60 LCY *** <br />Cycle Time (load + haul + spread + return) : Loading time : 0.90 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 : 600 -8.3 5.0 -3.3 3,080 0.28 minutes ** <br />Return : 600 8.3 5.0 13.3 854 0.70 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 2.58 minutes <br />Job Condition Correction Factors : <br />Site altitude (feet) : 6,720 Adiusted Hourly Production <br />Altitude adjustment factor : 0.96 (Cat HB) Unadjusted unit production : 664.89 LCY/Hour*** <br />Job efficiency factor : 0.83 (1 shift/day) Adjusted unit production : 529.79 LCY/Hour <br /> Adjusted fleet production : 1,059.57 LCY/Hour <br />Net job correction factor : 0.80 2 times volume on push-pull models <br />JOB TIME AND COST <br />Fleet size : 2 Scraper(s) Total job time : 42.84 Hours <br />Unit cost : $0.422 /LCY Total job cost : $19,155 <br />Shift basis : 1 per day