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HOURLY PRODUCTION <br />Hauling Capacity : <br />Scraper Payload (weigh <br />Basis : <br />Scraper Bowl (volume) Basis : <br />sheet 2 of 2 <br />Material weight : 2,550 pounds/LCY Struck volume : . 15.70 LCY <br />Material description : Heaped volume : 21.00 LCY <br />Earth - Dry packed Average volume : 18.35 LCY <br />Rated payload : 48,000 pounds Adjusted capacity : 18.35 LCY *** <br />Payload capacity : 18.82 LCY hourly production reflects volume per scraper pair on push-pull models <br />Cycle 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 time per scraper pair on push-pull models Net correction : 0.830 0.830 <br />Travel time : <br />. Road condition description :Firm, smooth, rolling, dirt/It. surfaced, watered, maintained <br />Haul Route : <br />Seg. # Haul distance (feet) Grade (%) Roll. res. (%) Total res. (%) Velocity (fpm) Travel time (min.)** <br />1 5,000 -6.00 3.00 -3.00 2938 1.75 <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br />Return route : <br />Haul time : 1.75 minutes <br />• <br />• <br />" travel time for each segment is adjusted for acceleration/deceleration. Return time : 2.67 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) : 5,43 minutes <br />Unadjusted unit production/hour : 202.82 LCY/hour **" Adjusted for job conditions : 168.34 LCY/hour <br />Optimal number of scrapers per push dozer : 7 Selected number of scrapers : 2 scraper(s) <br />Adjusted single scraper team (unit) hourly production : 336.67 LCY/hour <br />Adjusted multiple scraper team (fleet) hourly production : 336.67 LCY/hour <br />JOB TIME AND COST <br />Fleet size <br />Unit cost : <br />RN-05 <br />1 Team(s) <br />$1.767 /LCY <br />Total job time : 3.55 Hours <br />Total job cost : $Z111 <br />Exhibit 28-28 (Revised 2/16/09)