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HOURLY PRODUCTION <br />Hauling Capacity : <br />Scraper Payload (weight) Basis : <br />Material weight : <br />Material description <br />Earth - Loam <br />30 ?. <br />sheet 2 of 2 <br />2,100 pounds/LCY <br />Rated payload : 75,000 pounds <br />Payload capacity : 35.71 LCY <br />Cycle Time : <br />Scraper loading time * : 0.60 minutes <br />Maneuver and spread time : 0.70 minutes <br />* load time per scraper pair on push-pull models <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 />Job Condition Corrections : Site altitude (ft.) : 5,700 <br /> Scraper Push dozer Source <br />Altitude adj.: 1.000 1.000 (Cat HB) <br />Job efficiency : 0.830 0.830 (Cat HB) <br />Net correction : 0.830 0.830 <br />Travel time : <br />Road condition description :Firm, smooth, rolling, dirtlit. surfaced, watered, maintained <br />Haul Route : <br />Seg. # Haul distance (feet) Grade (%) Roll. res. (%) Total res. (%) Velocity (fpm) Travel time (min.)** <br />1 300 3.00 3.00 6.00 1069 0.33 <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br />Return route : <br />Haul time : 0.33 minutes <br />travel time for each segment is adjusted for acceleration/deceleration. Return time : 0.24 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) : 1.88 minutes <br />Unadjusted unit production/hour : 927.21 LCY/hour *** Adjusted for job conditions : 769.58 LCY/hour <br />Optimal number of scrapers per push dozer : 2 Selected number of scrapers : 2 scraper(s) <br />Adjusted single scraper team (unit) hourly production : 1,539.17 LCY/hour <br />Adjusted multiple scraper team (fleet) hourly production : 3,078.33 LCY/hour <br /> <br />JOB TIME AND COST <br />Fleet size : 2 Team(s) Total job time : 241,14 Hours <br />Unit cost : $0.390 /LCY Total job cost : $289,678 <br />