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HOURLY PRODUCTION <br />Hauling Caaacity <br />Scraper Payload (weight) Basis <br />Scraper Bowl (volume) Basis <br />sheet 2 of 2 <br />Material weight : 2,550 pounds/LCY <br />Material description <br />Gravel -Dry <br />Rated payload : 75,000 pounds <br />Payload capacity : 29.41 LCY <br />Struck volume : 24.00 LCY <br />Heaped volume : 34.00 LCY <br />Average volume : 29.00 LCY <br />Adjusted capacity : 29.00 LCY *** <br />hourly production reflects volume per scraper pair on push-pull models <br />Cycle Time : Job Condition Corrections : Site altitude (ft.) : 7,100 <br /> Scraper Push dozer Source <br />Scraper loading time * : 1.00 minutes Altitude adj.: 1.000 NA (Cat HB) <br />Maneuver and spread time : 0.60 minutes Job efficiency : 0.830 NA (Cat HB) <br />* load time per scraper pair on push-pull models Net correction : 0.830 NA <br />Travel time <br />Road condition description :Firm, smooth, rolling, dirt/It. surfaced, watered, maintained <br />Haul Route <br />Seg. # Haul distance (feet) Grade (%) Roll. res. (%) Total res. (%) Velocity (fpm) Travel time (min.)** <br />1 2, 500 5.00 3.00 8.00 1131 2.26 <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br />Return route <br />Haul time : 2.26 minutes <br />"travel time for each segment is adjusted for acceleration/deceleration. Return time <br />table velocities are max. attainable per total resistance shown, not average <br />Total scraper team cycle time (load + haul + maneuver and spread + return) <br />Unadjusted unit production/hour : 733.24 LCY/hour *** Adjusted for job conditions <br />Optimal number of scrapers per push dozer : NA Selected number of scrapers <br />Adjusted single scraper team (unit) hourly production <br />Adjusted multiple scraper team (fleet) hourly production <br />0.89 minutes <br />4.75 minutes <br />608.59 LCY/hour <br />2 scraper(s) <br />608.59 LCY/hour <br />608.59 LCY/hour <br />JOB TIME AND COST <br />Fleet size : 1 Team(s) Total job time : 2.19 <br />Unit cost : $1.260 /LCY Total job cost : $1, 678 <br />Hours <br />