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Scraper Worksheet Cont'd Task # 05A Page 2 of 2 <br />Cycle Time: <br />Scraper Loading Time: <br />Maneuver and Spread Time: <br />Job Condition Correction: <br />0.90 Minutes <br />0.60 Minutes <br />Site Altitude: 4400 feet <br /> Scraper Push Dozer Source <br />Altitude Ad': 1.000 1.000 (CAT HB) <br />Job Efficienc : 0.830 0.830 CAT HB) <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 />u.,..l D..,,?e• <br />Seg # Haul Distance (Ft) Grade <br />(%) Roll. Res <br />(%) Total Res <br />(% Velocity (fpm) Travel Time <br />(min) <br />1 1200.00 0.00 5.00 5.00 2218 0.68 <br />Haul Time: 0.68 minutes <br />D ,.t., D ...to <br />Seg # ~Haul Distance (Ft) Grade Roll. Res <br />(% Total Res <br />%) Velocity (fpm) Travel Time <br />(min) <br />1 1200.00 0.00 5.00 5.00 2814 0.58 <br />Return Time: 0.58 minutes <br />Total Scraper team cycle time: 2.76 minutes <br />Adjusted for job conditions: 680.24 LCY/Hour <br />Selected Number of Scrapers: 6 Scraper(s) <br />Adjusted single scraper team (unit) hourly production: 2,040.72 LCY/Hour <br />Adjusted multiple scraper team (fleet) hourly production: 6,122.15 LCY/Hour <br /> <br />Unadjusted unit production/hour: 819.57 LCY/Hour <br />Optimal Number of Scrapers per push dozer: <br />JOB TIME AND COST <br />Fleet size: 3 Team(s) Total job time: 12.95 Hours <br /> <br />Unit cost: $0.793 /LCY Total job cost: $62,893.75 <br /> <br />CIRCES Cost Estimating Software