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<br /> <br /> <br /> <br />Cycle Time: <br />Scraper Loading Time: 0.90 Minutes <br />Maneuver and Spread Time: 0.60 Minutes <br />Job Condition Correction: Site Altitude: 4470 feet <br /> Scraper Push Dozer Source <br />Altitude Adj: 1.000 1.000 (CAT HB) <br />Job Efficiency: 0.830 0.830 (CAT HB) <br /> <br />Net Correction: <br /> <br />0.830 <br /> <br />0.830 <br />Travel Time: <br /> Road Condition: Rutted dirt, little maintenance, no water, 1” tire penetration 4.0 <br />Haul Route: <br />Seg # Haul Distance (Ft) Grade <br />(%) <br />Roll. Res <br />(%) <br />Total Res <br />(%) <br />Velocity <br />(fpm) <br />Travel Time <br />(min) <br />1 150.00 0.00 4.00 4.00 2665 0.24 <br />2 150.00 15.00 4.00 19.00 578 -0.04 <br />Haul Time: 0.20 minutes <br />Return Route: <br />Seg # Haul Distance (Ft) Grade <br />(%) <br />Roll. Res <br />(%) <br />Total Res <br />(%) <br />Velocity <br />(fpm) <br />Travel Time <br />(min) <br />1 150.00 -15.00 4.00 -11.00 2367 0.09 <br />2 150.00 0.00 4.00 4.00 2849 0.06 <br />Return Time: 0.15 minutes <br />Total Scraper team cycle time: 1.85 minutes <br />Adjusted for job conditions: 1,014.84 LCY/Hour <br />Selected Number of Scrapers: 2 Scraper(s) <br />Adjusted single scraper team (unit) hourly production: 1,014.84 LCY/Hour <br />Adjusted multiple scraper team (fleet) hourly production: 1,014.84 LCY/Hour <br />Unadjusted unit production/hour: 1,222.70 LCY/Hour <br />Optimal Number of Scrapers per push <br />dozer: <br /> <br />JOB TIME AND COST <br />Fleet size: 1 Team(s) Total job time: 3.10 Hours <br /> <br />Unit cost: <br /> <br />$0.660 <br /> <br />/LCY <br /> <br />Total job cost: <br /> <br />$2,077 <br /> <br /> <br />