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CIRCES Cost Estimating Software <br />SCRAPER -ONLY WORK <br />_:. <br />PROJECT IDENTIFICATION <br />Agency or organization name : DRMS <br />Task # : 05a State :Colorado Permit/job # : M-1981-229 <br />Date : 04/21/2008 County :Mesa Abbreviation :none <br />User <br />THM <br />Site :Valley Vista Pit <br />Filename : M229-05a <br />Permit or other job action :Final Reclamation Cost Update <br />Task description :Replace stockpiled topsoil over pit floor and slopes <br />- .:: <br />HOURLY EQUIPMENT COST <br />Model :Cat 633E Series 2 (2001) <br />Shift basis : 1 per day <br />Cost Breakdown : Job utilization % Horsepower : 490 <br />Ownership cost/hour : $80.67 NA Weight (UST) : 56.34 <br />Operating cost/hour : $121.88 100 Cost data source : (CRG) <br />Operator cosUhour : $32.96 NA <br />Total unit cosUhour : <br />_... $235.51 Total fleet cosUhour : $235.51 <br />_. <br />_. <br />_. <br /> <br /> <br />_. <br />MATERIAL QUANTITIES <br />_ _. <br />_.. <br /> <br />_ <br />Initial Swell Loose <br />volume : 20,076 LCY factor : NA volume : 20,076 LCY <br />Source of quantity take-off : Assume 7.5 inches of topsoil over 19.91 acres <br />Source of estimated swell factor : NA <br />_ _.. <br />_ _ <br /> <br />_. <br />HOURLY PRODUCTION <br />Hauling Capacity <br />Scraper Payload (weight) Basis : Scraper Bowl (volume) Basis <br />Material weight : 1, 600 pounds/LCY Struck volume : 23.20 LCY <br />Material description : Heaped volume : 34.00 LCY <br />Top Soil Average volume : 28.60 LCY <br />Rated payload : 82,000 pounds <br />Payload capacity : 51.25 LCY Adjusted capacity : 28.60 LCY *** <br />Cvcle Time (load + haul + spread + returnL Loading time : 0.90 minutes <br /> Maneuver and spreading time : 0.70 minutes <br />Travel time : • loading lime per pair on push-pull models <br />Route Distance (feet) Grade (%) Roll. res.(%) Total res.(%) Velocity (fpm) Travel time (min.) <br />Haul : 850 0.0 5.0 5.0 1,375 0.76 minutes ** <br />Return : 850 0.0 5.0 5.0 2,288 0.37 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 2.73 minutes <br />Job Condition Correction Factors <br />Site altitude (feet) : 4,980 Adiusted Hourly Production <br />Altitude adjustment factor : 1.00 (Cat HB) Unadjusted unit production : 627.85 LCY/Hour*** <br />Job efficiency factor : 0.83 (1 shift/day) Adjusted unit production : 521.12 LCY/Hour <br /> Adjusted fleet production : 521.12 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 : 38.52 Hours <br />Unit cost : $0.452 /LCY Total job cost : $9,073 <br />