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HOURLY PRODUCTION sheet 2 of E <br />Hauling Catdacity <br />Basis <br />Material weight : 2, 650 pounds/LCY <br />Material description <br />Decomposed mck - 25% Rock, 75% Earth <br />Rated payload : 75,000 pounds <br />Payload capacity : 28.30 LCY <br />Bowl (volume) Basis <br />Struck volume : 21,00 LCY <br />Heaped volume : 31.00 LCY <br />Average volume : 26.00 LCY <br />Adjusted capacity : 28.00 LCY "' <br />hourly pratlucson reflects volume per screper pair an push-pull motlels <br />~cle Time : ~ ob Condition Corrections : Site altitude (ft.) : 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 : 0.630 NA (Cat HB) <br />• load time per scraper pair on push-puN mooels Net ('ArreCtion : 0.830 NA <br />Travel time <br />Road condition description :Rutted dirt, little maintenance, no water, 2" fire penetration <br />Haul Route <br />Seg. # Haul distance (feet) Grade (%) Roll. res. (%) Total res. (%) Velocity (fpm) Travel time (min.)" <br />1 1,500 -10.00 5.00 -5.00 2972 0.56 <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br />Haul time : 0.56 minutes <br />Return route <br />"travel time Por each segment Is atljustetl for acceleratioNtleceleration. <br />ta61e velocities are maz. attainable per total reelstanCe shown, not average <br />Retum time <br />Total scraper team cycle time (load + haul + maneuver and spread + return) <br />Unadjusted unit production/hour : 861.35 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) howdy production <br />1.46 minutes <br />3.62 minutes <br />714.92 LCY/hour <br />2 scraper(s) <br />714.92 LCY/hour <br />714.92 LCYmour <br />JOB TIME AND COST <br />Fleet size : 1 Team(s) Total job time : 21.09 Hours <br />Unit cost : 50.807 /LCY Total job cost : $12,188 <br />