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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 : 55,000 pounds <br />Payload capacity : 21.57 LCY <br />Scraper Bowl (volume) Basis : <br />Struck volume : 18.00 LCY <br />Heaped volume : 23.00 LCY <br />Average volume : 20.50 LCY <br />Adjusted capacity : 20.50 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 2,800 -8.00 5.00 -3.00 2774 1.08 <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br />Return route : <br />Haul time : 1.08 minutes <br />13.00 928 3.05 <br />travel time for each segment is adjusted for acceleration/deceleration. Return time : 3.05 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) : 5.73 minutes <br />Unadjusted unit production/hour : 214.60 LCY/hour *** Adjusted for job conditions : 178.12 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 : 178.12 LCY/hour <br />Adjusted multiple scraper team (fleet) hourly production : 712.48 LCY/hour <br /> <br />JOB TIME AND COST <br />Fleet size : 4 Team(s) Total job time : 12.96 Hours <br />Unit cost : $1.214 /LCY Total job cost : $11,210 <br />