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HOURLY PRODUCTION sheet 2 of 2 <br />Haulinst Capacity: <br />Basis <br />Material weight: 2,650 pounds/LCY <br />Material description <br />Decomposed rock - 25% Rock, 75% Earth <br />Rated payload : 75,000 pounds <br />Payload capacity : 28.30 LCY <br />Cvcle Time <br />Scraper loading time' : 0.60 <br />Maneuver and spread time : 0.60 <br />• load time per scraper pair on push-pull models <br />Bowl (volume) Basis <br />Struck volume : 21.00 LCY <br />Heaped volume : 31.00 LCY <br />Average volume : 26.00 LCY <br />Adjusted capacity : 26.00 LCY "` <br />taudy produclicn reflects volume per scraper pair on push-pull models <br /> ob Condition Corrections : Site altitude (ft.) : 4,870 <br /> Scraper Push dozer Source <br />minutes Altitude adj.: 1.000 1.000 (Cat HB) <br />minutes Job efficiency : 0.830 0.830 (Cat HB) <br /> Net wmection : 0.830 0.830 <br />Travel time <br />Road condition description :Rutted dirt, little maintenance, no water, 2" tine penetration <br />Haul Route <br />Seg. # Haul distance (feet) Grade (%) Roll. res. (%) Total res. (%) Velocity (fpm) Travel time (min.)" <br />1 1,000 0.00 5.00 5.00 1867 0.67 <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br />Haul lime : 0.67 minutes <br />Return route <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 : 648.48 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) houdy production <br />Adjusted multiple scraper team (fleet) hourly production <br />minutes <br />2.41 minutes <br />538.24 LCYlhour <br />2 scraper(s) <br />1,076.48 LCYlhour <br />1,076.48 LCYlhour <br />•` travel time for each segment is adjusted for acceleretron/deceleretion. Return time : 0.54 <br />