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HOURLY PRODUCTION <br />Haulinta Capacity : <br />Scraper Payload (weight) Basis : <br />Material weight : 2,900 pounds/LCY <br />Material description : <br />Decomposed rock - 50% Rock, 50% Earth <br />Rated payload : 55,000 pounds <br />Payload capacity: 18.97 LCY <br />Struck volume : 18.00 LCY <br />Heaped volume : 23.00 LCY <br />Average volume : 20.50 LCY <br />Adjusted capacity : 18.97 LCY *"* <br />hourly production reflects volume per scraper pair on push-pull models <br />Cycle Time : Job Condition Corrections : Site altitude (ft.) : 4,850 <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 HB) <br />* load time per scraper pair on push-pull models 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 />1 600 0.00 5.00 5.00 1292 0.56 <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br />Haul time : 0.56 minutes <br />Return route : <br />" travel time for each segment is adjusted for acceleration/deceleration. Return time <br />table velocities are max. attainable per total resistance shown, not average <br />Total scraper team cycle time (load + haul + maneuver and spread + return) <br />Unadjusted unit production/hour : 430.08 LCY/hour *** Adjusted for job conditions <br />Optimal number of scrapers per push dozer : NA Selected number of scrapers <br />Adjusted single scraper team (unit) hourly production <br />Adjusted multiple scraper team (fleet) hourly production <br />JOB TIME AND COST <br />Fleet size : 4 Team(s) Total fob time <br />Unit cost : $0.606 /LCY Total job cost <br />sheet 2 of 2 <br />Scraper Bowl (volume) Basis : <br />0.48 minutes <br />2.65 minutes <br />356.96 LCY/hour <br />1 scraper(s) <br />356.96 LCY/hour <br />1,427.85 LCY/hour <br /> <br />5.22 Hours <br />$4,513