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HOURLY PRODUCTION: <br />_________________ I Job Condition Correction Factors <br />Scraper Cycle Time ~ --------------------- ----------- <br />------------------ ~ Site altitude = 5800 ft. <br />Load = 0.9 min. ~ -- --------- <br /> -------- ~ Alt. adjustment .. 0.94 <br />Maneuver 8 spread = 0.7 min. ~ Job efficiency ... 0.83 (1sh/d) <br />Travel time (haul 8 return): <br />---- ~ Net Correction <br />-- 0.7802 <br />--------- <br />-------------------- <br />Haul route --- <br />Road Length Grade Rolling Total Velocity Travel time` <br />seg. # (f t) <br />___________________ res.(X) <br />________ res.(X) <br />___________ res.(X) (fpm) <br />______________________ (min) <br />__________ <br />1 300 0.00 6.00 6.00 1109 0.40 <br />Haul time = 0.40 min. <br />Return route ------------ <br />--------------------------------------------------------------------- <br />1 300 0.00 6.00 6.00 1830 0.33 <br />`1st 8 last seg. adj. for accel./decel. Return time = 0.33 min. <br />Total Cycle Time = 2.32 min. <br />------- I Machine Volume <br />Machine Payload ~ -------------- <br />--------------- ~ Struck capacity = N/A <br />Material weight = 2100.00 lbs/LCY ~ Heaped capacity = 22.00 <br />Mat. description ------- ~ -- --------- <br />Earth - Loam ~ Average = 22.00 LCY <br />____________________________________ I <br />Raced payload....= 50,000 lbs. ~ -- <br />Adjusted volume = _________ <br />22.00 <br />LCY <br />Payload volume...= 23.81 LCY <br />Unadjusted production per scraper or push-pull pair 568.11 LCY/hr <br />Adjusted production ............... ..................: 443.24 LCY/hr <br /> <br />Adjusted hourl fleet <br />y production .. ..................: 443.24 LCY/hr <br />JOB COST: <br />Fleet size 1 Scraper(s) Total Job Time: 14.56 Hours <br />__-_-__ <br />Unit Cost 50.317 /LCY __ <br />Total Job Cost: __--_____ <br />52,043 <br />