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Cycle Time: <br />Scraper Loading Time: 0.70 Minutes <br />Maneuver and Spread Time: 0.60 Minutes <br />Job Condition Correction: Site Altitude: 5600 feet <br /> Scraper Push Dozer Source <br />Altitude Adj: 1.000 NA (CAT HB) <br />Job Efficiency: 0.830 NA (CAT HB) <br /> <br />Net Correction: <br /> <br />0.830 <br /> <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 />(%) <br />Roll. Res (%) Total Res (%) Velocity (fpm) Travel Time (min) <br />1 850.00 4.00 5.00 9.00 1249 0.72 <br />Haul Time: 0.72 minutes <br />Return Route: <br />Seg # Haul Distance (Ft) Grade <br />(%) <br />Roll. Res (%) Total Res (%) Velocity (fpm) Travel Time (min) <br />1 850.00 -4.00 5.00 1.00 2913 0.39 <br />Return Time: 0.39 minutes <br />Total Scraper team cycle time: 2.41 minutes <br />Adjusted for job conditions: 389.51 LCY/Hour <br />Selected Number of Scrapers: 1 Scraper(s) <br />Adjusted single scraper team (unit) hourly production: 389.51 LCY/Hour <br />Adjusted multiple scraper team (fleet) hourly production: 389.51 LCY/Hour <br />Unadjusted unit production/hour: 469.29 LCY/Hour <br />Optimal Number of Scrapers per push dozer: <br /> <br />JOB TIME AND COST <br />Fleet size: 1 Team(s) Total job time: 4.92 Hours <br /> <br />Unit cost: <br /> <br />$0.664 <br /> <br />/LCY <br /> <br />Total job cost: <br /> <br />$1,273 <br /> <br />