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Scraper Worksheet Cont'd Task#072 Page 2 of 2 <br /> Cycle Time: <br /> Scraper Loading Time: 1.00 Minutes <br /> Maneuver and Spread Time: 0.60 Minutes <br /> Job Condition Correction: Site Altitude: 5300 feet <br /> Scraper Push Dozer Source <br /> Altitude Adj: 1.000 NA (CAT HB) <br /> Job Efficiency: 0.830 NA (CAT HB) <br /> Net Correction: 0.830 NA <br /> Travel Time: <br /> Road Condition: Firm, smooth,rolling,dirt/It. surfaced,watered,maintained 3.0 <br /> Haul Route: <br /> Seg# Haul Distance(Ft) Grade Roll.Res Total Res Velocity Travel Time <br /> (%) (%) (%) (fpm) (min) <br /> 1 600.00 -10.00 3.00 -7.00 1628 0.48 <br /> 2 600.00 10.00 3.00 13.00 710 0.73 <br /> 3 1000.00 -5.00 3.00 -2.00 2972 0.41 <br /> Haul Time: 1.62 minutes <br /> Return Route: <br /> Seg# Haul Distance(Ft) Grade Roll.Res Total Res Velocity Travel Time <br /> (%) (%) (%) (fpm) (min) <br /> 1 1000.00 5.00 3.00 8.00 1931 0.61 <br /> 2 600.00 -10.00 3.00 -7.00 2972 0.26 <br /> 3 600.00 10.00 3.00 13.00 1201 0.28 <br /> Return Time: 1.15 minutes <br /> Total Scraper team cycle time: 4.37 minutes <br /> Adjusted for job conditions: 660.96 LCY/Hour <br /> Selected Number of Scrapers: 2 Scraper(s) <br /> Adjusted single scraper team(unit)hourly production: 660.96 LCY/Hour <br /> Adjusted multiple scraper team(fleet)hourly production: 1,982.88 LCY/Hour <br /> Unadjusted unit production/hour: 796.34 LCY/Hour <br /> Optimal Number of Scrapers per push dozer: <br /> JOB TIME AND COST <br /> Fleet size: 3 Team(s) Total job time: 140.63 Hours <br /> Unit cost: $1.803 /LCY Total job cost: $502,840 <br /> CIRCES Cost Estimating Software <br />