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Scraper Worksheet Cont'd Task # 02A 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: 4550 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: Hard, smooth, stabilized, surfaced, watered, maintained 2.0 <br />Haul Route: <br />Seg # Haul Distance (Ft) Grade Roll. Res <br />(% Total Res <br />% Velocity (fpm) Travel Time <br />(gin) <br />1 400.00 -2.50 2.00 -0.50 2972 0.19 <br />Haul Time: 0.19 minutes <br />Return Route: <br />Seg # Haul Distance (Ft) Grade <br />(%) Roll. Res <br />% Total Res <br />%) Velocity (fpm) Travel Time <br />(min) <br />1 400.00 2.50 2.00 4.50 2910 0.33 <br />Return Time: 0.33 minutes <br />Total Scraper team cycle time: 2.12 minutes <br />Adjusted for job conditions: 1,236.35 LCY/Hour <br />Selected Number of Scrapers: 2 Scraper(s) <br />Adjusted single scraper team (unit) hourly production: 1,236.35 LCY/Hour <br />Adjusted multiple scraper team (fleet) hourly production: 1,236.35 LCY/Hour <br />Unadjusted unit production/hour: 1,489.57 LCY/Hour <br />Optimal Number of Scrapers per push dozer: <br />JOB TIME AND COST <br />Fleet size: 1 <br />Unit cost: $0.636 <br />Team(s) Total job time: 7.61 Hours <br />/LCY Total job cost: $5,985.20 <br />CIRCES Cost Estimating Software