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....................................................................................................................................................................................................... <br />................................................................... <br />....................................................................................................................................................................................................... <br />................................................................... . <br />....................................................................................................................................................................................................... <br />.................................................................. . <br />....................................................................................................................................................................................................... <br />................................................................... . <br />HOURLY PRODUCTION sheet 2 of 2 <br />Hauling Capacity : <br />Scraper Payload (weight) Basis : Scraper Bowl (volume) Basis : <br />Material weight : 2,900 pounds/LCY <br />Material description <br />Decomposed rock - 50% Rock, 50% Earth <br />Rated payload : 75,000 pounds <br />Payload capacity : 25.86 LCY <br />Cycle Time: <br />Scraper loading time * : 1.80 <br />Maneuver and spread time : 0.60 <br />* load time per scraper pair on push-pull models <br />Struck volume : 24.00 LCY <br />Heaped volume : 34.00 LCY <br />Average volume : 29.00 LCY <br />Adjusted capacity : 25.86 LCY *** <br />hourly production reflects volume per scraper pair on push-pull models <br /> Job Condition Corrections : Site altitude ft) : 5,700 <br /> Scraper Push dozer Source <br />minutes Altitude adj.: 1.000 NA (Cat HB) <br />minutes Job efficiency : 0.830 NA (Cat HB) <br /> Net correction : 0.830 I JA <br />Travel time : <br />Road condition description :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 />1 550 -25.00 5.00 -20.00 889 0.83 <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br />Haul time : 0.83 minutes <br />Return route <br />1 550 25.00 5.00 30.00 523 1.06 <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br />travel time for each segment is adjusted for acceleration/deceleration. Return time : 1.06 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) : 4.29 minutes <br />Unadjusted unit production/hour : 361.91 LCY/hour *** Adjusted for job conditions : 300.38 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 : 600.76 LCY/hour <br />Adjusted multiple scraper team (fleet) hourly production : 600.76 LCY/hour <br />....................................... <br />.. <br />... <br />. <br />. <br />.... <br />.. <br />.. <br />. <br />. . <br />..... ................................. <br />. <br />. <br />... <br />............. <br />....... <br />.. <br />.. <br />... <br />... <br />.............................................................................................................. <br />. <br />....................................................................................................................................................................................................... <br />.... <br />....................................................................................................................................................................................................... <br />... <br />....................................................................................................................................................................................................... <br />.... <br />....................................................................................................................................................................................................... <br />... <br />...................................................................................................................................... <br />................................................ <br />....................................................................................................................................................................................................... <br />... <br />....................................................................................................................................................................................................... <br />.... <br />....................................................................................................................................................................................................... <br />... <br />....................................................................................................................................................................................................... <br />.... <br />....................................................................................................................................................................................................... <br />... <br />....................................................................................................................................................................................................... <br />.... <br />....................................................................................................................................................................................................... <br />.... <br />JOB TIME AND COST ............. <br />............ <br />.............................. <br />............................... <br />.............................. <br />............................... <br />.............................. <br />............................... <br />.............................. <br />............................... <br />.............................. <br />............................... <br />.............................. <br />.............................. .................................. <br />................................. <br />.................................. <br />................................. <br /> <br />_ <br />................................. <br />.................................. <br />................................ . <br />.................................. <br />.................................. <br />.................................. <br />................................. . <br />Fleet size : 1 Team(s) Total job time : 10.19 Hours <br />Unit cost : $0.906 /LCY Total job cost : $5,545 <br />