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HOURLY PRODUCTION <br />Hauling Capacity : <br />Scraper Payload (weight) Basis <br />sheet 2 of 2 <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 />Scraper Bowl (volume) Basis : <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 />Cycle Time : Job Condition Corrections : Site altitude (ft.) : 6,400 <br /> Scraper Push dozer Source <br />Scraper loading time 1.00 minutes Altitude adj.: 1.000 NA (Cat HB) <br />Maneuver and spread time : 0.60 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 <br />Haul Route : <br />Seg. # Haul distance (feet) Grade (%) Roll. res. (%) Total res. (%) Velocity (fpm) Travel time (min.)** <br />1 800 5.00 5.00 10.00 922 0.90 <br />2 1,600 3.00 5.00 8.00 1131 1.43 <br /> <br /> <br /> <br /> <br /> <br /> <br />Haul time : 2.33 minutes <br />Return route <br />1 1,600 -3.00 5.00 2.00 2960 0.68 <br />2 800 -5.00 5.00 0.00 2965 0.27 <br /> <br /> <br /> <br /> <br /> <br /> <br />** travel time for each segment is adjusted for acceleration/deceleration. Return time : 0.95 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) : 4,88 minutes <br />Unadjusted unit production/hour : 713.62 LCY/hour *** Adjusted for job conditions : 592.30 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 : 592.30 LCY/hour <br />Adjusted multiple scraper team (fleet) hourly production : 2,369.21 LCY/hour <br /> <br />JOB TIME AND COST <br />Fleet size : 4 Team(s) Total job time : 46.87 Hours <br />Unit cost : $1.356 /LCY Total job cost : $150,531 <br />