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HOURLY PRODUCTION <br />Hauling Capacity <br />Basis <br />Material weight: 1,600 pounds/LCY <br />Material description <br />Top Soil <br />Rated payload : 48,000 pounds <br />Payload capacity : 30.00 LCY <br />Bowl (volume) Basis <br />sheet 2 of 2 <br />Struck volume : 14.00 LCY <br />Heaped volume : 20.00 LCY <br />Average volume : 17.00 LCY <br />Adjusted capacity : 17.00 LCY "' <br />howdy pmtluctlon reflects volume per scaper pair on push~ull models <br />Cvcle Time : ob Condition Corrections : -Site altitude (tt.) : 6,500 <br /> Scraper Push dozer Source <br />Scraper loading time • : 0.50 minutes Altitude adj.: 1.000 1.000 (Cat HB) <br />Maneuver and spread time : 0.70 minutes Job efficiency : 0.830 0.830 (Cat HB) <br />• load Cme per scraper pair on push-pull models Net CArteCtlOn ' 0.830 0.830 <br />Travel time <br />Road condition description :Rutted dirt little maintenance, no water, 2" Sre penetra0on <br />Haul Route <br />Seg. # Haul distance (feet) Grade (%) Roll. res. (%) Total res. (%) Velocity (fpm) Travel time (min.)"' <br />1 1,200 5.00 5.00 10.00 740 1.64 <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br />Haul time : 1.64 minutes <br />Retum route <br />''travel timefor each segment is adjusted for acceleretion/decele2tion. ~ Retum time: 0.54 minutes <br />table vebcities are max attainable par total ~resistznce shown, not average - - - - ~ - ~ ~ - - - - - ~ - - - ~ - . <br />Total scraper team cycle time (load + haul + maneuver and spread + return) <br />Unadjusted unk production/hour : 301.81 LCY/hour'•" Adjusted for job conditions <br />Optimal number of scrapers per push dozer : 3 Selected number of scrapers <br />Adjusted single scraper team (unit) hourly production <br />Adjusted multiple scraper team (fleet) howdy production <br />JOB TIME AND COST <br />3.38 minutes <br />250.51 LCY/hour <br />3 scraper(s) <br />751.52 LCY/hour <br />751.52 LCY/hour <br /> Fleet size : 1 Team(s) Total job time : 18.59 Hours <br /> Unit cost : 50.788 /LCY Total job cost : $11,012 <br />~•::~ <br />.n ~ :. ~ <br />~ <br />::. r <br />s <br /> <br />