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Scraper Worksheet Cont'd Task # OlA Page 2 of 2 <br />Cycle Time: <br />Scraper Loading Time: <br />Maneuver and Spread Time: <br />Job Condition Correction: <br /> Scraper Push Dozer Source <br />Altitude Ad': 1.000 1.000 (CAT HB) <br />Job Efficient : 0.830 0.830 (CAT HB) <br />Site Altitude: 4400 feet <br />Net Correction: 0.830 0.830 <br />Travel Time: <br />Road Condition: Rutted dirt, little maintenance no water, 2" tire penetration 5.0 <br />naui nUu <br />Seg # Lc. <br />Haul Distance (Ft) <br />Grade <br />Roll. Res <br />Total Res <br />Velocity (fpm) <br />Travel Time <br /> (% %) (min) <br />1 1200.00 3.00 5.00 8.00 1381 0.94 <br />Haul Time: 0.94 minutes <br />itClutii n <br />Seg # vuLc. <br />Haul Distance (Ft) <br />Grade <br />Roll. Res <br />Total Res <br />Velocity (fpm) <br />Travel Time <br /> (%) %) (min) <br />1 1200.00 -3.00 5.00 2.00 2905 0.53 <br />Return Time: 0.53 minutes <br />Total Scraper team cycle time: 2.97 minutes <br />Adjusted for job conditions: 596.18 LCY/Hour <br />Selected Number of Scrapers: 6 Scraper(s) <br />Adjusted single scraper team (unit) hourly production: 1,788.55 LCY/Hour <br />Adjusted multiple scraper team (fleet) hourly production: 5,365.66 LCY/Hour <br /> <br />Unadjusted unit production/hour: 718.29 LCY/Hour <br />Optimal Number of Scrapers per push dozer: <br />JOB TIME AND COST <br />Fleet size: 3 Team(s) Total job time: 30.31 Hours <br /> <br />Unit cost: $0.905 /LCY Total job cost: $147,222.93 <br />0.90 Minutes <br />0.60 Minutes <br />CIRCES Cost Estimating Software