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Scraper Worksheet Cont'd Task # 03A 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 />0.70 Minutes <br />Site Altitude: 7190 feet <br /> Scraper Push Dozer Source <br />Altitude Ad': 1.000 1.000 (CAT HB) <br />Job Efficiency: 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 />Haul Route: <br />Seg # Haul Distance( t) Grade <br />(% Roll. Res <br />% Total Res <br />% Velocity (fpm) Travel Time <br />(min) <br />1 700.00 0.00 5.00 5.00 1343 0.63 <br />Return Route- <br />Haul Time: 0.63 minutes <br />Seg # Haul Distance (Ft) Grade Roll. Res Total Res Velocity (fpm) Travel Time <br />(min) <br />1 700.00 0.00 5.00 5.00 2445 0.50 <br />Return Time: 0.50 minutes <br />Total Scraper team cycle time: 2.83 minutes <br />Adjusted for job conditions: 498.03 LCY/Hour <br />Selected Number of Scrapers: 2 Scraper(s) <br />Adjusted single scraper team (unit) hourly production: 996.07 LCY/Hour <br />Adjusted multiple scraper team (fleet) hourly production: 996.07 LCY/Hour <br />Unadjusted unit production/hour: 600.04 LCY/Hour <br />Optimal Number of Scrapers per push dozer: <br />JOB TIME AND COST <br />Fleet size: 1 Team(s) Total job time: 4.90 Hours <br />Unit cost: $0.659 /LCY Total job cost: $3,213.53 <br />CIRCES Cost Estimating Software