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HOURLY PRODUCTION sheet 2 of 2 <br />Hauling Capacity <br />' <br />Scraper Payload (weight) Basis : Scraper Bowl (volume) Basis <br />Material weight : 1,400 pounds/LCY Struck volume : 14.00 LCY <br />Material description : Heaped volume : 20.00 LCY <br />Coal -Bituminous, Washed Average volume : 17.00 LCY <br />Rated payload : 48,000 pounds Adjusted capacity : 17.00 LCY "' <br />Payload CapaClty : 34.29 LCY '•• houny production reflects volume per scraper pair on push-pull m odels <br /> <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 HA) <br />• load time per scraper pair on pu sh-pull motlels Net correction : 0.830 0.830 <br />• <br />Travel time <br />Road condition description :Firm, smooth, rolling, dirt/It. suAaced, watered, maintained <br />Haul Route <br />Seg. # Haul distance (feet) Grade (%) Roll. res. (%) Total res. (%) Velocity (fpm) Travel time (min.)*' <br />1 3,500 3.00 3.00 6.00 1855 1.97 <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br />Haul time : 1.97 minutes <br />Return route <br />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) : 4.26 minutes <br />Unadjusted unit production/hour: 239.37 LCY/hour ""* Adjusted forjob conditions : 198.68 LCY/hour <br />Optimal number of scrapers per push dozer : 5 Selected number of scrapers : 2 scraper(s) <br />Adjusted single scraper team (unit) hourly production : 397.35 LCY/hour <br />Adjusted multiple scraper team (fleet) hourly production : 397.35 LCY/hour <br />JOB TIME AND COST <br />Fleet size : 1 Team(s) Total lob time 22 67 Hours <br />. <br />Unlt cost : 51.501 /LCY Total lob cost $13,515 <br />~C 2 8 ~ z ~ ~i~/3~ 6 s~-oz <br />''travel time for each segment is adjusted for acceleratioNtleceleration. Return time : 1.29 <br />