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HOURLY PRODUCTION sheet 2 of 2 <br />Hauling Capacity <br />Basis <br />Material weight : 2,650 pounds/LCY <br />Material description <br />Decomposed rock - 25% Rock, 75% Earth <br />Rated payload : 75,000 pounds <br />Payload capacity : 28.30 LCY <br />Bowl (volume) Basis <br />Struck volume <br />Heaped volume <br />Average volume <br />Adjusted capacity <br />21.00 LCY <br />31.00 LCY <br />26.00 LCY <br />26.00 LCY •" <br />hourty productton reflects volume per scraper pair on push-pull models <br />Cvcle Time : Job Condition Corrections : Site altitude (ftJ : 6,200 <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 motlels Net COrteCtiOn : 0.830 NA <br />Travel time <br />Road condition descdption :Rutted dirt, little maintenance, no water, 2"tire penetration <br />Haul Route <br />Seg. # Haul distance (feet) Grade (%) Roll. res. (%) Total res. (%) Velocity (fpm) Travel time (min.)" <br />1 800 -12.50 5.00 -7.50 1628 0.61 <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br />Retum route <br />Haul time : 0.61 minutes <br />Return time <br />Total scraper team cycle time (load + haul + maneuver and spread + return) <br />Unadjusted unit production/hour : 977.60 LCY/hour "' Adjusted forjob conditions <br />Optimal number of scrapers per push dozer : NA Selected number of scrapers <br />Adjusted single scraper team (unit) houdy production <br />Adjusted multiple scraper team (Fleet) hourly production <br />0.98 minutes <br />3.19 minutes <br />811.41 LCY/hour <br />2 scraper(s) <br />811.41 LCY/hour <br />811.41 LCY/haur <br />"travel time for each segment is adjusted for acceleration/deceleratlon. <br />table velocities are maz. attainable per total rBSistance shown, not average <br />