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HOURLY PRODUCTION sheet 2 of 2 <br />Hauling Capacity <br />Scraper Payload (weight) Basis : Scraper Bowl (volume) Basis <br />material welgnt : ~,tiuu pountls/LGY <br />Material description <br />Coal -Bituminous, Raw <br />Rated payload : 75,000 pounds <br />Payload capacity : 46.88 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-pull models <br /> Job Condition Corrections : Site altitude (ft.) : 6,200 <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 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 />1 800 -10.00 5.00 -5.00 2972 0.34 <br />2 1, 950 13.00 5.00 18.00 508 3.39 <br />3 200 0.00 5.00 5.00 1867 0.20 <br /> <br /> <br /> <br /> <br /> <br />Return route <br />Haul time : 3.93 minutes <br />1 200 0.00 5.00 5.00 2795 0.26 <br />2 1,950 -13.00 5.00 -8.00 2972 0.07 <br />3 800 10.00 5.00 15.00 1047 0.55 <br /> <br /> <br /> <br /> <br /> <br />"travel time for each segment is adjusted for acceleration/deceleration. Return time : 0.88 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) : 6.41 minutes <br />Unadjusted unit production/hour : 542.52 LCY/hour *** Adjusted forjob conditions : 450.29 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 : 450.29 LCY/hour <br />Adjusted multiple scraper team (fleet) hourly production : 450.29 LCY/hour <br />JOB TIME AND:C:::..:.T .:.::........................................................................................................................................................................... <br />...................................... <br />OS <br />Fleet size : 1 Team(s) Total job time : 26.65 Hours <br />Unit cost : $1.391 /LCY Total job cost : $16,692 <br />