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HOURLY PRODUCTION <br />Hauling Capacity : <br />Scraper Payload (weight) Basis : <br />Material weight : <br />Material description <br />Earth - Dry packed <br />2,550 pounds/LCY <br />Rated payload : 48,000 pounds <br />Payload capacity : 18.82 LCY <br />Cycle Time : <br />Scraper loading time * : 0.40 minutes <br />Maneuver and spread time : 0.60 minutes <br />' load time per scraper pair on push-pull models <br />Travel time : <br />Road condition description :Firm, smooth, rolling <br />Haul Route : <br />sheet 2 of 2 <br />Scraper Bowl (volume) Basis : <br />Struck volume : 15.70 LCY <br />Heaped volume : 21.00 LCY <br />Average volume : 18.35 LCY <br />Adjusted capacity : 18.35 LCY *** <br />' hourly production reflects volume per scraper pair on push-pull models <br />Job Condition Corrections : Site altitude (ft.) : 7,500 <br /> Scraper Push dozer Source <br />Altitude adj.: 1.000 1.000 (Cat HB) <br />Job efficiency : 0.830 0.830 (Cat HB) <br />Net correction : 0.830 0.830 <br />dirt/It. surfaced, watered, maintained <br />Seg. # Haul distance (feet) Grade (%) Roll. res. (%) Total res. (%) Velocity (fpm) Travel time (min.)** <br />1 Z500 10.00 3.00 13.00 834 3.02 <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br />Return route : <br />Haul time : 3.02 minutes <br />travel time for each segment is adjusted for acceleration/deceleration. Return time : 0.90 <br />table velocities are max. attainable per total resistance shown, not average <br />Total scraper team cycle time (load + haul + maneuver and spread + return) : 4.92 <br />Unadjusted unit production/hour : 223.99 LCY/hour *** Adjusted for job conditions : 185.91 <br />Optimal number of scrapers per push dozer : 6 Selected number of scrapers : 2 <br />Adjusted single scraper team (unit) hourly production : 371.83 <br />Adjusted multiple scraper team (fleet) hourly production : 371.83 <br />JOB TIME AND COST <br />Fleet size : 1 Team(s) Total job time : 13.31 <br />Unit cost : $1.608 /LCY Total job cost : $7,960 <br />minutes <br /> <br />• <br />minutes <br />LCY/hour <br />scraper(s) <br />LCY/hour <br />LCY/hour <br />Hours • <br />RN-05 Exhibit 28-88 (Revised 2/16/09)