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HOURLY PRODUCTION <br />Hauling Capacity : <br />Scraper Payload (weight) Basis <br />Material weight : 2,700 pounds/LCY <br />Material description : <br />Sand and clay - Loose <br />Rated payload : 82,000 pounds <br />Payload capacity : 30.37 LCY <br />sheet 2 of 2 <br />Scraper Bowl (volume) Basis : <br />Struck volume : 23.20 LCY <br />Heaped volume : 34.00 LCY <br />Average volume : 28.60 LCY <br />Adjusted capacity : 28.60 LCY *** <br />'hourly production reflects volume per scraper pair on push-pull models <br />Cycle Time : Job Condition Corrections : Site altitude (ft.) : 7,500 <br /> Scraper Push dozer Source <br />Scraper loading time 0.90 minutes Altitude adj.: 0.960 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 : 0.797 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 1375 0.57 <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br />Return route : <br />Haul time : 0.57 minutes <br />travel time for each segment is adjusted for acceleration/deceleration. Return time : 0.48 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) : 2.65 minutes <br />Unadjusted unit production/hour : 647.36 LCY/hour Adjusted for job conditions : 515.81 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 : 1,031.63 LCY/hour <br />Adjusted multiple scraper team (fleet) hourly production : 1,031,63 LCY/hour <br /> <br />JOB TIME AND COST <br />Fleet size : 1 Team(s) Total job time : 37.53 Hours <br />Unit cost : $0.589 /LCY Total job cost : $22,798