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~4S <br />5.':( a a.. a>...w>n lS.an vvv> •:.a a .. ~>va:k ~ n[ Y h .i3:..1';[ .va... as ~.s in .~. ::na. aaamw .' .aaa a.K <br />HOURLY PRODUCTION sheet 2 of 2 <br />Hauling Caoacihr <br />Basis : ~ Scraper Bowl <br />r~ <br />Material weight : 2,650 pounds <br />Matedal description <br />Decomposed rock - 25% Rock, 75% Earth <br />Rated payload : 75,000 pounds <br />Payload capacity : 28.30 LCY <br />Basis <br />Struck volume : - 24.00 LCY <br />Heaped volume : 34.00 LCY <br />Average volume : 29.00 LCY <br />Adjusted ppacity : 28.30 LCY "• <br />twuM Pmduc6m rheas vdume per wager pair on push-pull models <br />Cvcle Time : ob Condition Corrections : Site altitude (ft.) : 5, 700 <br /> Scraper Push dozer Source <br />Scraper loading time' : 0.80 minutes Altitude adj.: 1.000 1.000 (Cat HB) <br />Maneuver and spread time : 0.70 minutes Jab efficiency : 0.830 0.830 (Cat HB) <br />• load ama per scraper pair on push-pus models Net correction : 0.830 0.830 <br />Travel time <br />Road condition description :Firm, smooth, rolling, dirt/lt. surfaced, watered, maintained <br />Haul Route <br />Seg. ii Haul distance (feet) Grade (°~) Roll. res. (%) Total res. (%) Velocity (fpm) Travel time (min.)'• <br />1 3,350 3.00 3.00 6.00 1069 3.20 <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br />Retum route <br />Haul time : 3.20 minutes <br />•• travel time rar each sepmem is aajustetl ror aaelerariorvaeceleranon. Retum time : 1.28 minutes <br />taGe relodtles era max. attatnaOle per total rasiataxe shorn, not average <br />Total scraper team cycle Hme (load + haul + maneuver and spread + return) : 5.78 minutes <br />Unadjusted unk production/hour : 293.88 LCYBtour "` Adjusted forjob condiiions : 243.92 LCYRtour <br />Optimal number of scrapers per push dozer : 5 Selected number of scrapers : 4 scraper(s) <br />Adjusted single scraper team (unit) hourty production : 975.69 LCYlhour <br />Adjusted multiple scraper team (fleet) howdy production : 975.69 LCY/hour <br /> JOB TIME AND COST <br /> Fleet size : ~ 1 Team(s) Total job time : 6.44 Hours <br /> Unit cost : 51.037 /LCY Total job cost : $6,512 <br /> 1>: ~ <br />2 i S i L A ~) ~ N>' <br />~k <br />: <br /> .. _ <br />.. a. a : <br />(Revised 24May07) Attachment 3.02.2 2-44 <br />