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HOURLY PRODUCTION ~ sheet 2 of 2 <br />Hauling Capacity <br />Basis <br />Material weight : 3,300 pounds/LCY <br />Material description <br />Decomposed rock - 75% Rock, 25% Earth <br />Rated payload : 55,000 pounds <br />Payload capacity : 16.67 LCY <br />Bowl (volume) Basis <br />Struck volume : 18.00 LCY <br />Heaped volume : 23.00 LCY <br />Average volume : 20.50 LCY <br />Adjusted capacity : 16.67 LCY "" <br />hourly production reflects volume per scraper pair on push-pull models <br />Cvcle Time : Job Condition Corrections : Site altitude (ft.) : 7,690 <br /> Scraper Push dozer Source <br />Scraper loading time' : 0.90 minutes Altitude adj.: 1.000 NA (Cat HB) <br />Maneuver and spread time : 0.70 minutes Job efficiency : 0.830 NA (Cat H8J <br />'load time per scraper pair on push-pull models Net WrreCflOn : 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 />1 300 0.00 5.00 5.00 1292 0.33 <br />2 400 -10.00 5.00 -5.00 2047 0.29 <br />3 400 0.00 5.00 5.00 1292 0.12 <br /> <br /> <br /> <br /> <br /> <br />Haul time : 0.74 minutes <br />Return route <br />1 400 0.00 5.00 5.00 2359 0.40 <br />2 400 10.00 5.00 15.00 778 0.34 <br />3 300 0.00 5.00 5.00 2359 0.34 <br /> <br /> <br /> <br /> <br /> <br />"travel time for each segment is adjusted for acceleration/deceleration. <br />table velocities are max, attainable per total resistance shown, not averege <br />Return nme : ~.uu <br />minutes <br />Total scraper team cycle time (load + haul + maneuver and spread + return) : 3.41 minutes <br />Unadjusted unit production/hour : 292.92 LCY/hour "' Adjusted for job conditions : 243.12 LCY/hour <br />Optimal number of scrapers per push dozer : NA Selected number of scrapers : 1 scraper(s) <br />Adjusted single scraper team (unit) hourly production : 243.12 LCY/hour <br />Adjusted multiple scraper team (fleet) hourly production : 243.12 LCY/hour <br /> <br />JOB TIME AND COST <br />Fleet size : 1 Team(s) Total job time : 35.31 Hours <br />Unit cost : $0.704 /LCY Total job cost : $6,043 <br />