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Material description <br />Coal -Bituminous, Raw <br />Heaped volume : 20.00 LCY <br />Average volume : 17.00 LCY <br />Adjusted capacity : 17.00 LCY **" <br />Rated payload : 48,000 pounds <br />Payload capacity : 30.00 LCY <br /> <br />hourly production reflects volume per scraper pair on push-pull models <br />Cvcle Time : Job Condition Corrections : Site altitude (ft.) : 7,500 <br /> Scraper Push dozer Source <br />Scraper loading time' : 0.40 minutes Altitude adj.: 1.000 1.000 (Cat HB) <br />Maneuver and spread time : 0.60 minutes Job efficiency : 0.830 0.830 (Cat HB) <br />`load tlme per scraper pair on push-pull models Net CArreCtlOn : 0.830 0.830 <br />Travel time <br />Road condition description :Firm, smooth, rolling, dirVlt. surfaced, watered, maintained <br />Haul Route <br />Seg. # Haul distance (feet) Grade (%) Roll. res. (%) Total res. (%) Velocity (fpm) Travel time (min.)"* <br />1 2, 500 3.00 3.00 6.00 1855 1.44 <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br />Haul time <br /> <br />Return route <br />" Vavel time for each segment is atljusted far acceleratioNdeceleration. <br />table velocities are max. attainable per total resistance shown, not average <br />Return time <br />Total scraper team cycle time (load + haul + maneuver and spread + return) <br />Unadjusted unit production/hour : 301.35 LCY/hour "' Adjusted for job conditions <br />Optimal number of scrapers per push dozer : 4 Selected number of scrapers <br />Adjusted single scraper team (unit) hourly production <br />Adjusted multiple scraper team (fleet) hourly production <br />~X 2$' /~-22 <br />1.44 minutes <br />0.95 minutes <br />3.38 minutes <br />250.12 LCY/hour <br />2 scraper(s) <br />500.25 LCY/hour <br />500.25 LCY/hour <br />t I~j3/~ W Sib Z <br />