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Scraper Worksheet Cont'd Task#002 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: 6770 feet <br /> Scraper Push Dozer Source <br /> Altitude Ad': 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: Rutted dirt,little maintenance,no water,2"tire penetration 5.0 <br /> Haul Route: <br /> Seg# Haul Distance(Ft) Grade Roll.Res Total Res Velocity(fpm) Travel Time <br /> (min) <br /> 1 500.00 0.00 5.00 5.00 1867 0.40 <br /> 2 200.00 8.00 5.00 13.00 710 0.13 <br /> Haul Time: 0.53 minutes <br /> Return Route: <br /> Seg# Haul Distance(Ft) Grade Roll.Res Total Res Velocity(fpm) Travel Time <br /> (min) <br /> 1 200.00 -8.00 5.00 -3.00 2972 0.10 <br /> 2 500.00 0.00 5.00 5.00 2795 0.19 <br /> Return Time: 0.29 minutes <br /> Total Scraper team cycle time: 2.42 minutes <br /> Adjusted for job conditions: 1,193.55 LCY/Hour <br /> Selected Number of Scrapers: 2 Scraper(s) <br /> Adjusted single scraper team(unit)hourly production: 1,193.55 LCY/Hour <br /> Adjusted multiple scraper team(fleet)hourly production: 1,193.55 LCY/Hour <br /> Unadjusted unit production/hour: 1,438.02 LCY/Hour <br /> Optimal Number of Scrapers per push dozer: <br /> JOB TIME AND COST <br /> Fleet size: 1 Team(s) Total job time: 31.10 Hours <br /> Unit cost: $1.000 /LCY Total job cost: $37,107 <br /> CIRCES Cost Estimating Software <br />