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HOURLY PRODUCTION sheet 2 of 2 <br />Hauling Capacity : <br />Scraper Payload (weight) Basis : Scraper Bowl (volume) Basis : <br />Material weight : 2,100 pounds/LCY <br />Material description <br />Earth - Loam <br />Rated payload : 75,000 pounds <br />Payload capacity : 35.71 LCY <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.) : 8,000 <br /> Scraper Push dozer Source <br />Scraper loading time 0.60 minutes Altitude adj.: 1.000 0.950 (Cat HB) <br />Maneuver and spread time : 0.70 minutes Job efficiency : 0.830 0.830 (Cat HB) <br />x load time per scraper pair on push-pu!I models Net correction :i 0.830 <br />I 0.788 <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 />1 500 0.00 5.00 5.00 1343 0.46 <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br />Return route : <br />Haul time : 0.46 minutes <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 : 797.28 LCY/hour *** Adjusted for job conditions <br />Optimal number of scrapers per push dozer : 2 Selected number of scrapers <br />Adjusted single scraper team (unit) hourly production <br />Adjusted multiple scraper team (fleet) hourly production <br />0.42 minutes <br />2.18 minutes <br />661.74 LCY/hour <br />2 scraper(s) <br />1,323.49 LCY/hour <br />1,323.49 LCY/hour <br />JOB TIME AND COST <br />Fleet size : 1 Team(s) Total job time : 9.84 Hours <br />Unit cost : $0.469 /LCY Total job cost : $6,116