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HOURLY PRODUCTION sheet 2 of 2 <br />Hauttna Caoaciri <br />u <br /> <br />Basis <br />Material weigh : 1,600 pounds/LCY <br />Material description <br />Coal -Bituminous, Raw <br />Rated payload : 48,000 pounds <br />Payload capacity : 30.00 LCY <br />Bowl (volume) Basis <br />Struck volume : 14.00 LCY <br />Heaped volume : 20.00 LCY <br />Average volume : 17.00 LCY <br />Adjusted capacity : 17.00 LCY "" <br />Koury production reflBCb volume Per scraper pair on push-pull models <br />Cvcle Time : ob C nditio Correctlons : Site altttude (ft.) : 7,500 <br /> Scraper Push dozer Source <br />Scraper loading time ` : 0.40 minutes Attitude adj. • 1,000 1.000 (Cat HB) <br />Maneuver and spread time : 0.60 minutes Job efficiency 0.830 O.B30 (Cat HB) <br />load time per scraper patr on push-pu0 models Net correction 0.830 0.830 <br />Travel time <br />Road condition description :Finn, smooth, rolling, dirt/lt surfaced, watered, maintained <br />Haul Route <br />Seg. # Haul distance (feet) Grade (%) Roll. res. (%) Total res. (%) Velodty (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 />Retum route <br />Haul time : 1.44 minutes <br />"travel time for each segment b aejusted for accderagorddeceleration. Retum time : 0.95 minutes <br />taob velodties are max. atiainade per total resisfarxxr shorn. not average <br />Total scraper team cyde time (load + haul + maneuver and spread + return) : 3.38 minutes <br />Unadjusted unit production/hour : 301.35 LCY/hour "` Adjusted forjob conditions : 250.12 LCY/hour <br />Optimal number of scrapers per push dozer : 4 Selected number of scrapers : 2 scraper(s) <br />Adjusted sirtgte scraper team (unit) troury production : 500.25 LCY/hour <br />Adjusted multiple scraper team (fleet) hourly producton : 500.25 LCY/hour <br />~xhtlot* Z8-Z`f <br />~_ zm -06 <br />