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Scraper Worksheet Cont'd Task # 050 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: 5400 feet <br />Seg # <br />Scraper <br />Push Dozer Source <br />Altitude Ad': <br />1.000 <br />NA CAT HB <br />Job Efficiency: <br />0.830 <br />NA (CAT HB) <br />-2.00 <br />5.00 <br />3.00 <br />Net Correction: <br />0.830 <br />NA <br />Travel Time: <br />Road Condition: <br />Rutted dirt, little maintenance, no water, 2" tire penetration 5.0 <br />Haul Route: <br />Seg # <br />Haul Distance (Ft) <br />Grade <br />(%) <br />Roll. Res <br />(%) <br />Total Res <br />(%) <br />Velocity (fpm) <br />Travel Time <br />(min) <br />1 <br />400.00 <br />-2.00 <br />5.00 <br />3.00 <br />2800 <br />0.42 <br />Haul Time: 0.42 minutes <br />Return Route: <br />Seg # <br />Haul Distance (Ft) <br />Grade <br />(%) <br />Roll. Res <br />(%) <br />Total Res <br />(%) <br />Velocity (fpm) <br />Travel Time <br />(min) <br />1 <br />400.00 <br />2.00 <br />5.00 <br />7.00 <br />2240 <br />0.30 <br />Return Time: 0.30 minutes <br />Total Scraper team cycle time: 2.32 minutes <br />Adjusted for job conditions: 1,245.00 LCY/Hour <br />Selected Number of Scrapers: 2 Scraper(s) <br />Adjusted single scraper team (unit) hourly production: 1,245.00 LCY/Hour <br />Adjusted multiple scraper team (fleet) hourly production: 1,245.00 LCY/Hour <br />Unadjusted unit production/hour: 1,500.00 LCY/Hour <br />Optimal Number of Scrapers per push dozer: <br />JOB TIME AND COST <br />Fleet size: <br />Unit cost: <br />1 <br />$0.550 <br />Team(s) Total job time: 37.05 Hours <br />/LCY Total job cost: $25,377 <br />CIRCES Cost Estimating Software <br />