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HOURLY PRODUCTION <br />Hauling Capacity : <br />Scraper Payload (weight) Basis <br />Material weight : 2,650 pounds/LCY <br />Material description : <br />Decomposed rock - 25% Rock, 75% Earth <br />Rated payload : 82,000 pounds <br />Payload capacity : 30.94 LCY <br />Cycle Time : <br />Scraper loading time : 0.90 minutes <br />Maneuver and spread time : 0.70 minutes <br />* load time per scraper pair on push-pull models <br />Travel time : <br />Road condition description :Loose sand or gravel. <br />Haul Route : <br />Seg. # Haul distance (feet) Grade (%) Roll. res. (%) Total res. (%) Velocity (fpm) Travel time (min.)** <br />1 500 0.00 8.00 8.00 835 0.64 <br />2 200 10.00 10.00 20.00 278 0.66 <br /> <br /> <br /> <br /> <br /> <br /> <br />Haul time : 1.30 minutes <br />Return route <br />1 200 -10.00 10.00 0.00 3026 0.23 <br />2 500 0.00 8.00 8.00 1453 0.11 <br /> <br /> <br /> <br /> <br /> <br /> <br />** travel time for each segment is adjusted for acceleration/deceleration. Return time : 0.34 minutes <br />table velocities are max. attainable per total resistance shown, not average <br />Total scraper team cycle time (load + haul + maneuver and spread + return) : 3.25 minutes <br />Unadjusted unit production/hour : 528.40 LCY/hour *** Adjusted for job conditions : 421.03 LCY/hour <br />Optimal number of scrapers per push dozer : NA Selected number of scrapers : 2 scraper(s) <br />Adjusted single scraper team (unit) hourly production : 842.06 LCY/hour <br />Adjusted multiple scraper team (fleet) hourly production : 842.06 LCY/hour <br />JOB TIME AND COST <br />Fleet size : 1 Team(s) Total job time : 17.65 Hours <br />Unit cost : $0.821 /LCY Total job cost : $12,203 <br />sheet 2 of 2 <br />Scraper Bowl (volume) Basis : <br />Struck volume : 23.20 LCY <br />Heaped volume : 34.00 LCY <br />Average volume : 28.60 LCY <br />Adjusted capacity : 28.60 LCY *** <br />*'* hourly production reflects volume per scraper pair on push-pull models <br />Job Condition Corrections : Site altitude (ft.) : 6,771 <br /> Scraper Push dozer Source <br />Altitude adj.: 0.960 NA (Cat HB) <br />Job efficiency : 0.830 NA (Cat HB) <br />Net correction : 0.797 NA