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HOURLY PRODUCTION: <br /> Job Condition Correction Factors <br /> Scraper Cycle Time »»-»-»---»--»»---------------»»- <br /> »»-»---»»-»»»-»»»» Site altitude = 8300 ft. <br /> Load = 1.2 min. »--»------» <br /> »»»---»- Alt. adjustment .. 1 <br /> Maneuver & spread = 0.7 min. Job efficiency ... 0.83 (ish/d) <br /> Travel time (haul & return): Net Correction 0.83 <br /> Haul route <br /> Road Length Grade Rolling Total Velocity Travel time* <br /> seg. (ft) res.(%) res.(%) res.(%) (fps) (min) <br /> »»»»»»»»-»-»»..-_»------___»-------»_»»_»»»_»»»»»»»»»»»»»»»»»»»..------- <br /> 1 700 5.00 3.00 8.00 820 0.95 <br /> Haul time = 0.95 min. <br /> Return route -»»»»------»» <br /> ----»»»»»»»_»»__»____»----.-----»...»»---»»»»»»»»»»»»»»»»_____----»---- <br /> 1 700 -5.00 3.00 -2.00 2956 0.45 <br /> »»»»»»»»» ----------------»».._»--------»»»»»»»»»»»»»»»»»»»»»»»--» <br /> *1st & last seg. adj. for accel./decel. Return time = 0.45 min. <br /> Total Cycle Time = 3.31 min. <br /> -»-»--» Machine Volume <br /> Machine Payload ---------»»»--- <br /> »--»»»»»»»»»»»» Struck capacity = 21.00 <br /> Material weight = 1600.00 lbs/LCY Heaped capacity = 31.00 <br /> Mat. description : »»----» ----------- <br /> Top Soil Average = 26.00 ICY <br /> Rated payload = 75,000 lbs. Adjusted volume = 26.00 LCY <br /> Payload volume = 46.88 ICY <br /> Unadjusted production per scraper or push-pull pair : 471.80 LCY/br <br /> Adjusted production 391.59 LCY/hr <br /> Adjusted hourly fleet production 783.18 LCY/hr <br /> JOB COST: <br /> Fleet size : 2 Scraper(s) Total Job Time: 62.36 Hours <br /> »»»»»»» ......»»»»..»».. <br /> Unit Cost $0.361 /LCY Total Job Cost: $17,616 <br /> »»»»»»» »»»»»»»»»»» <br />