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HOURLY PRODUCTION sheet 2 of 2 <br />Hauling Capacity : <br />Scraper Payload (weight) Basis : Scraper Bowl (volume) Basis : <br />Material weight : 1,600 pounds/LCY Struck volume : 24.00 LCY <br />Material description : Heaped volume : 34.00 LCY b <br />Top Soil Average volume : 29.00 LCY <br />Rated payload : 75,000 pounds Adjusted capacity : 29.00 LCY <br />Payload capacity : 46.88 LCY *** hourly production reflects volume per scraper pair on push-pull models <br />Cycle Time : Job Condition Corrections : Site altitude (ft.) : 7,000 <br /> Scraper Push dozer source <br />Scraper loading time 1.00 minutes Altitude adj.: 1.000 NA (Cat HB) <br />Maneuver and spread time : 0.60 minutes Job efficiency : 0.830 NA (Cat HB) <br />* load time per scraper pair on push-pull models Net correction : 0.830 NA <br />Travel time : <br />Road condition description : Rutted din:, little maintenance, no water, 1 " tire <br />Haul Route : <br />Seg. # Haul distance (feet) Grade (%) Roll. res. (%) Total res. (%) Velocity (fpm) Travel time (min.)** <br />1 700 3.00 4.00 7.00 1362 0.57 <br />2 1,200 5.00 4.00 9.00 1042 1.26 <br /> <br /> <br /> <br /> <br /> <br /> <br />Haul time : 1.83 minutes <br />Return route : <br />1 1,200 -5.00 4.00 -1.00 2972 0.47 <br />2 700 -3.00 4.00 1.00 2963 0.24 <br /> <br /> <br /> <br /> <br /> <br /> <br />travel time for each segment is adjusted for acceleration/deceleration. Return time <br />table velocities are max. attainable per total resistance shown, not average <br />Total scraper team cycle time (load + haul + maneuver and spread + return) <br />Unadjusted unit production/hour : 840.59 LCY/hour *** Adjusted for job conditions <br />Optimal number of scrapers per push dozer : NA Selected number of scrapers <br />Adjusted single scraper team (unit) hourly production <br />Adjusted multiple scraper team (fleet) hourly production <br />0.71 minutes <br />4.14 minutes <br />697.69 LCY/hour <br />8 scraper(s) <br />2,790.75 LCY/hour <br />2,790.75 LCY/hour <br />JOB TIME AND COST <br />Fleet size : 1 Team(s) Total job time : 250.16 Hours <br />Unit cost : $1.151 /LCY Total job cost : $803,376