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HOURLY PRODUCTION <br />Hauling Capacity <br />Scraper Payload (weight) 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 />sheet 2 of 2 <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 : 28.30 LCY *** <br />'hourly production reflects volume per scraper pair on push-pull models <br />Cycle Time : Job Condition Corrections : Site altitude (ft.) : 6,200 <br /> Scraper Push dozer Source <br />Scraper loading time * : 1.00 minutes Altitude adj.: 1.000 NA (Cat HB) <br />Maneuver and spread time : 0.60 minutes Job efficiency : 0.830 NA (Cat HB) <br />* load time per scraper pair on push-pull models Net correction : 0.830 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 1,500 -10.00 5.00 -5.00 2972 0.56 <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br />Haul time : 0.56 minutes <br />Return route <br />** travel time for each segment is adjusted for acceleration/deceleration. Return time : 1.46 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) : 3.62 minutes <br />Unadjusted unit production/hour : 937.61 LCY/hour *** Adjusted for job conditions : 778.22 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 : 778.22 LCY/hour <br />Adjusted multiple scraper team (fleet) hourly production : 778*22 LCY/hour <br /> <br />:<;;;:.;::.;:.;::.;:.::.::.::::::, ::::.::::::::::::.::::.:::.:::,,,, :::,, :, :, :::::::::, :.:::::::..:::, ::::::::::::, :.:::.:::.:::::.::::::::::::::::::::::, ::,.:::::........................... <br />................... <br /> <br />JOB TIME AND COST <br />........................... <br />.... . <br />. <br />Fleet size : 1 Team(s) Total job time : 19.37 Hours <br />Unit cost : $0.805 /LCY Total job cost : $12,133 <br /> <br />