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HOURLY PRODUCTION <br />Haulinq 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 />Scraper Bowl (volume) Basis : <br />sheet 2 of 2 <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 />Cycle Time : Job Condition C orrections : 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 :Rutted dirt, little maintenance, no water, 1" tire penetration <br />Haul Route : <br />Seg. # Haul distance (feet) Grade (%) Roll. res. (%) Total res. (%) Velocity (fpm) Travel time (min.)* <br />1 200 5.00 4.00 9.00 1249 0.21 <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br />Haul time : 0.21 minutes <br />Return route : <br />** travel time for each segment is adjusted for acceleration/deceleration. Return time : 0.10 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) : 1.32 minutes <br />Unadjusted unit production/hour : 836.28 LCY/hour *** Adjusted for job conditions : 694.11 LCY/hour <br />Optimal number of scrapers per push dozer : 2 Selected number of scrapers : 2 scraper(s) <br />Adjusted single scraper team (unit) hourly production : 1,388.23 LCY/hour <br />Adjusted multiple scraper team (fleet) hourly production : 1,388.23 LCY/hour <br />JOB TIME AND COST <br />Fleet size : 1 Team(s) Total job time <br />Unit cost : $0.450 /LCY Total job cost <br />RN-05 Exhibit 28-70 <br /> <br />9 <br />1.74 Hours is <br />$1,088 <br />(Revised 2/16/09)