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<br />' HOURLY PRODUCTION: <br />_________________ I Job Condition Correction Factors <br />I Scraper Cycle Time ~ ___________________ _____________ <br />I _____________'''-- I Site altitude = 6000 ft. <br />Load = 1 min. ~ _ ______-___ <br />-_------ ~ Alt. adjustment .. 0.97 <br />Maneuver & spread = 0.6 <br />__ min. I Job efficiency ... 0.83 (1 sh/d) <br />______ <br />Travel time (haul 8 return): <br />__________________________ <br /> <br />_ I __ <br />I Net Correction <br />_ _-- <br />0.8051 <br />__________ <br />Haul route <br />Road Length Grade Rolling Total Velocit y Travel ti me' <br />seg. # (ft) res.(%) res.(%) res.(%) (fpm) (min) <br />1 1000 2.00 2.00 4.00 2502 0.63 <br />Haul time = 0.63 min. <br />Return route _____________ <br />______ r________ ________ ________ ________ ________ ______.._____- <br />1 1000 -2.00 2.00 0.00 3029 0.51 <br />'1st & last seg. adj. for accel./decel. Retum <br />time = 0.51 min. <br />l <br />Total Cycle Time = 2.74 min. ~ - 4 <br />44--- <br />------- ~ Machine Volume <br />Machine Payload j -__-_.________ <br />______.~_______ I Struck capacity = 21.00 <br />Material weight = 2400.00 Ibs/LCY I Heaped capacity = 31.00 <br />Mat. description : ------- ~ <br />Sand -Dry, loose <br />_________________________________ I ~ Average = <br />_ 26.00 LCY <br />__________ <br />Rated payload....= 75,000 lbs. I Adjusted volume = 26.00 LCY <br />Payload volume...= 31.25 LCY <br />Unadjusted production per scraper orpush-pull pair : 1139.01 LCY/hr <br />Adjusted production .................................: - y` 917.02 LCY/hr <br />Adjusted hourly Fleet production .................. ..: 917.02 LCY/hr <br />J08 COST: ~ y--- -- <br />Fleet size : 2 Scraper(s) Total Job Time: 87.97 Hours <br />