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Scraper Worksheet Cont'd Task # 024 Page 2 of 2 <br />Cycle Time: <br />Scraper Loading Time: <br />Maneuver and Spread Time: <br />Job Condition Correction: <br />1.00 Minutes <br />0.60 Minutes <br />Site Altitude: 6200 feet <br /> Scraper Push Dozer Source <br />Altitude Ad': 1.000 NA (CAT HB) <br />Job Efficiency: 0.830 NA (CAT HB) <br />Net Correction: 0.830 NA <br />Travel Time: <br />Road Condition: Rutted dirt, little maintenance, no water, 2" tire penetration 5.0 <br />u.„1 Rn„ra- <br />Seg # Haul Distance (Ft) Grade Roll. Res <br />(%) Total Res <br />(%) Velocity (fpm) Travel Time <br />(min) <br />1 800.00 -10.00 5.00 -5.00 2972 0.34 <br />2 1950.00 10.00 5.00 15.00 589 2.83 <br />3 200.00 0.00 5.00 5.00 1867 0.20 <br />Refiirn Rnnta- <br />Haul Time: 3.37 minutes <br />Seg # Haul Distance (Ft) Grade <br />(%) Roll. Res <br />%) Total Res <br />%) Velocity (fpm) Travel Time <br />(min) <br />1 200.00 0.00 5.00 5.00 2795 0.26 <br />2 1950.00 -10.00 5.00 -5.00 2972 0.71 <br />3 800.00 10.00 5.00 15.00 1047 0.55 <br />Return Time: 1.52 minutes <br />Total Scraper team cycle time: 6.49 minutes <br />Adjusted for job conditions: 445.05 LCY/Hour <br />Selected Number of Scrapers: 2 Scraper(s) <br />Adjusted single scraper team (unit) hourly production: 445.05 LCY/Hour <br />Adjusted multiple scraper team (fleet) hourly production: 445.05 LCY/Hour <br />Unadjusted unit production/hour: 536.21 LCY/Hour <br />Optimal Number of Scrapers per push dozer: <br />JOB TIME AND COST <br />Fleet size: 1 Team(s) Total job time: 26.96 Hours <br /> <br />Unit cost: $1.381 /LCY Total job cost: $16,571.47 <br />CIRCES Cost Estimating Software