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Scraper Worksheet Cont'd <br />Task # 03A <br />Page 2 of 2 <br />Cycle Time: <br />Scraper Loading Time: <br />1.00 Minutes <br />Maneuver and Spread Time: <br />0.60 Minutes <br />Job Condition Correction: <br />Site Altitude: 5930 feet <br />Scraper <br />Push Dozer Source <br />Altitude Ad:: 1.000 <br />1.000 ;CAT HB'9 <br />Job Efficiency,: 0.830 <br />0.830 CAT HB z <br />Net Correction: 0.830 <br />0.830 <br />T_ ravel Time: <br />Road Condition: Hard, smooth, stabilized, surfaced watered maintained 2.0 <br />Haul Route: <br />Seg # Haul Distance (Ft) Grade <br />Roll. Res Total Res Velocity (fpm) <br />Travel Time <br />( %) <br />( %) (°/O) <br />(min) <br />1 500.00 -8.00 <br />2.00 -6.00 2192 <br />0.31 <br />Haul Time: 0.31 <br />minutes <br />Return Route: <br />Seg # Haul Distance (Ft) Grade <br />Roll. Res Total Res Velocity (fpm) <br />Travel Time <br />% <br />% % <br />(min) <br />1 500.00 8.00 <br />2.00 10.00 1476 <br />0.39 <br />Return Time: 0.39 <br />minutes <br />Total Scraper team cycle time: 2.30 <br />minutes <br />Adjusted for job conditions: 1,255.83 <br />LCY,Hour <br />Selected Number of Scrapers: 2 <br />Scraper(s) <br />Adjusted single scraper team (unit) hourly production: 1,255.83 <br />LCY'Hour <br />Adjusted multiple scraper team (fleet) hourly production: 1 255.83 <br />LCY Hour <br />Unadjusted unit production /hour: <br />1,513.04 LCY /Hour <br />Optimal Number of Scrapers per push dozer: <br />JOB TIME AND COST <br />Fleet size: 1 Team(s) <br />Total job time: 3.85 <br />Hours <br />Unit cost: $0.839 /LCY <br />Total job cost: $4,061.11 <br />C(RCES Cost Estimating Software <br />