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......................................................................................................................................................................................................................................................................... . <br />........................................................................................................................................................................................................................................................................... <br />......................................................................................................................................................................................................................................................................... . <br />........................................................................................................................................................................................................................................................................... <br />......................................................................................................................................................................................................................................................................... . <br />........................................................................................................................................................................................................................................................................... <br />.......................................................................................................................................................................................................................................................................... <br />.......................................................................................................................................................................................................................................................................... <br />........................................................................................................................................................................................................................................................................... <br />......................................................................................................................................................................................................................................................................... . <br />.......................................................................................................................................................................................................................................................................... . <br />......................................................................................................................................................................................................................................................................... . <br />.......................................................................................................................................................................................................................................................................... . <br />HOURLY PRODUCTION sheet 2 of 2 <br />Hauling Caaacity <br />Scraper Payload (weight) Basis : ~ Scraper Bowl (volume) Basis <br />Material weight : 2,550 pounds/LCY <br />Material description <br />Earth -Dry packed <br />Rated payload : 75,000 pounds <br />Payload capacity : 29.41 LCY <br />Cvcle Time <br />Scraper loading time * : 1.00 <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 : 29.00 LCY *** <br />hourly production reflects volume per scraper pair on push-pu ll models <br /> Job Condition Corrections : Site altitude (ft.) : 7,000 <br /> Scraper Push dozer Source <br />minutes Altitude adj.: 1.000 NA (Cat HB) <br />minutes Job efficiency : 0.810 NA (Cat HB) <br /> Net correction : 0.810 NA <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 1, 000 3.00 3.00 6.00 1477 0.76 <br />2 750 5.00 4.00 9.00 1042 0.66 <br />3 500 4.00 5.00 9.00 1042 0.48 <br /> <br /> <br /> <br /> <br /> <br />Haul time : 1.90 minutes <br />Return route <br />1 500 -4.00 5.00 1.00 2963 0.29 <br />2 750 -5.00 4.00 -1.00 2972 0.21 <br />3 1,000 -3.00 3.00 0.00 2965 0.34 <br /> <br /> <br /> <br /> <br /> <br />"travel time for each segment is adjusted for acceleration/deceleration. Return time : 0.84 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) : 4,35 minutes <br />Unadjusted unit production/hour : 800.52 LCY/hour *** Adjusted for job conditions : 648.42 LCY/hour <br />Optimal number of scrapers per push dozer : NA Selected number of scrapers : 10 scraper(s) <br />Adjusted single scraper team (unit) hourly production : 3,242.12 LCY/hour <br />Adjusted multiple scraper team (fleet) hourly production : 3,242.12 LCY/hour <br /> <br />,,:,:..,.::.::::,,:, :.::...::.:: ..::.:::.::::::::::::::::::.::::,::.::,::,::,:.::.:,,,,,::::::::::::::::::,:::::,:::::::,:,.,..:::...... . <br />JOB TIME AND COST <br />Fleet size : 1 Team(s) Total job time : 22.86 Hours <br />Unit cost : $1.325 /LCY Total job cost : $98,233 <br /> <br />