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Scraper Worksheet C ont'd Task # 506 Page 2 of'-) <br />("wle 'Time: <br />Scraper Loading 'rime: 1.00 Minutes <br />A lanouver :wd Spread 'Time: 0.60 Minutes <br />.lob Condition Correction: Site Altitude: 7500 feet <br />z <br />-------------- <br />Scraper <br />- - - - -- <br />Push Dozer <br />� - -- -- Source -- <br />_ <br />— Altitude Adj: t <br />1.000 - <br />-- NA <br />(CAT HB) <br />Job l:fiiciencv: <br />0.830 ! <br />NA <br />(CAT 1113) <br />Net Correction: <br />0.830 <br />NA <br />3.00 <br />Travel Time: <br />2240 <br />l 1.82 <br />Road Condition: <br />Firm. smooth. rolline- dirt/1t. surfaced. watered. maintained 3.0 <br />Haul Route: <br />Total Scraper team cycle time: <br />4.74 <br />Seg # Haul Distance (Ft) 1, Grade Roll. Res Total Res i Velocity (fpm) Travel Time <br />M) M) M) (min) <br />( 1 _ 3800.00 4.00 3.00 -1.00 1 2972 1.32 <br />Haul Time: 1.32 minutes <br />Return <br />_Route:------ _ _ <br />iSeg # Haul Distance (Ft) -T Grad_ e <br />Roll. Res <br />Total Res ' <br />Velocity (fpm) <br />Travel Time <br />%) f <br />(min) <br />I 3800.00 4.00 <br />3.00 <br />7.00 <br />2240 <br />l 1.82 <br />Return Time: <br />1.82 <br />minutes <br />Total Scraper team cycle time: <br />4.74 <br />minutes <br />Adjusted for job conditions: <br />609.37 <br />LCY /Hour <br />Selected Number of Scrapers: <br />2 <br />Scraper(s) <br />Adjusted single scraper team (unit) hourly production: <br />609.37 <br />LCY /Hour <br />Adjusted multiple scraper team (fleet) hourly production: <br />1,218.73 <br />LCY /Hour <br />Unadjusted unit production/hour: <br />734.18 LCY /Hour <br />Optimal Number of Scrapers per push dozer: <br />JOB TIME AND COST <br />Fleet size: 2 Team(s) <br />Total job time: <br />9.64 <br />Hours <br />Unit cost: 51.353 /LCY <br />Total job cost: <br />$15,897.76 <br />CIRCES Cost Estimating Soliware <br />