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HOURLY PRODUCTION—631G SCRAPER <br /> Material weight: 2,6501bs. /LCY <br /> Material Description: Decomposed rock-25%rock, 75% earth <br /> Rated Payload: 82000# <br /> Payload Capacity: 30.94 CY <br /> Scraper Bowl (volume) Basis: <br /> Struck volume: 21 LCY <br /> Heaped volume: 34 LCY <br /> Average volume: 27.5 LCY <br /> Adjusted volume: 27.5 LCY <br /> Cycle Time: <br /> Scraper Loading Time 0.90 minutes <br /> Maneuver and Spread Time 0.70 minutes <br /> Job Condition Correction: Altitude Adj. 1.0 per Cat HB <br /> Job Efficiency: .83 per Cat HB <br /> Travel Time: 500', 3% grade, 5% Roll Res,total res 8% 916 fpm 0.59 minutes <br /> Return Route: 500'distance -3% grade, 5% Res, total res 2% 2898 fpm 0.36 minutes <br /> Total scraper team cycle time; 2.55 minutes <br /> Adjusted for job conditions: (.83)x 647.06 537.06 LCY/Hr. <br /> Unadjusted unit production/hour(60/2.55 x 27.5) = 647.06 LCY/Hr. <br /> JOB TIME AND COST <br /> Fleet size 1 <br /> Unit cost: $0.60/LCY <br /> Total job time: 416.69 hours <br /> Cost: 416.69 Hrs. x $302.03/Hr. _ <br /> Total job cost: $125,852.88 <br /> 4 <br />