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Cycle Time: <br />Scraper Loading Time: <br />Roll. Res <br />0.90 Minutes <br />Maneuver and Spread Time: <br />(%) <br />0.70 Minutes <br />Job Condition Correction: <br />(min) <br />Site Altitude: 4850 feet <br />5.00 <br />7.00 <br />Scraper <br />Push Dozer Source <br />5.00 <br />Altitude Adj: <br />1.000 <br />NA (CAT HB) <br />5.00 <br />Job Efficiency: <br />0.830 <br />NA (CAT HB) <br />Net Correction: <br />0.830 <br />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 <br />Roll. Res <br />Total Res <br />Velocity (fpm) Travel Time <br />(%) <br />(%) <br />(%) <br />(min) <br />1 1900.00 2.00 <br />5.00 <br />7.00 <br />944 2.06 <br />2 200.00 15.00 <br />5.00 <br />20.00 <br />270 0.66 <br />Haul Time: 2.72 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 />200.00 <br />-15.00 <br />5.00 <br />-10.00 <br />1514 <br />0.20 <br />2 <br />1900.00 <br />-2.00 <br />5.00 <br />3.00 <br />2666 <br />0.81 <br />Return Time: <br />1.01 <br />minutes <br />Total Scraper team cycle time: <br />5.33 <br />minutes <br />Adjusted for job conditions: <br />191.54 <br />LCY/Hour <br />Selected Number of Scrapers: <br />2 <br />Scraper(s) <br />Adjusted single scraper team (unit) hourly production: <br />383.08 <br />LCY/Hour <br />Adjusted multiple scraper team (fleet) hourly production: <br />383.08 <br />LCY/Hour <br />Unadjusted unit production/hour: 230.77 LCY/Hour <br />Optimal Number of Scrapers per push dozer <br />JOB TIME AND COST <br />Fleet size: 1 Team(s) Total job time: 7.58 Hours <br />Unit cost: $1.330 /LCY Total job cost: $3,864 <br />