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Scraper Worksheet (`imt'd <br />Cvcie Nine: <br />Scraper 1.oading lime: <br />Maneuvcr and Spread Tune: <br />Job Condition Correction: <br />Altitude Adi: <br />Job Efl"iciency: � <br />Task 4 505 <br />1.00 Minutes <br />0.60 Minutes <br />cra er ! i Push Dozer__ <br />1.000 I NA <br />0.830 NA <br />Source <br />T <br />Page 2 of 2 <br />Site Altitude: 7500 feet <br />Net Correction: l 0.830 j NA <br />Travel Time: <br />Road Condition: Firm. smooth. rolling. dirt lt. surfaced watered maintained 3.0 <br />Haul Route- <br />Seg # <br />Haul Distance (Ft) Grade <br />Roll. Res <br />j Total Res <br />I Velocity (fpm) <br />Travel Time <br />(gin) <br />( %) ( <br />2.00 <br />j 2939 <br />1.17 <br />Haul Time: 1.17 minutes <br />Return Route: <br />Seg # <br />Haul Distance (Ft) I Grade 1 <br />Roll. Res Total Res I <br />Velocity (fpm) <br />Travel Time <br />`_ <br />( %) ( <br />( %) I ( %) <br />(min) <br />I <br />2800.00 ( 1.00 <br />3.00 j 4.00 ) <br />2910 <br />1.13 <br />Return Time: <br />1.13 <br />minutes <br />Total Scraper team cycle time: <br />3.90 <br />minutes <br />Adjusted for job conditions: <br />740.62 <br />LCY /Hour <br />Selected Number of Scrapers: <br />2 <br />Scraper(s) <br />Adjusted single scraper team (unit) hourly production: <br />740.62 <br />LCY /Hour <br />Adjusted multiple scraper team (fleet) hourly production: <br />1,481.23 <br />LCY /Hour <br />Unadjusted unit production/hour: <br />892.31 LCY /Hour <br />Optimal Number of Scrapers per push dozer: <br />JOB TIME AND COST <br />Fleet size: 2 Teams) <br />Unit cost: S1.114 /LCY <br />Total job time: 27.76 Hours <br />Total job cost: $45,779,87 <br />CIRCES Cost Estimating Software <br />