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Bowie No. 1 Mine (C1981038)Surety Release No. 5 (SL-5)Page 11of 128 <br />Cycle Time: <br />Scraper Loading Time:1.00Minutes <br />Maneuver and Spread Time:0.60Minutes <br />Job Condition Correction:Site Altitude: 7100 feet <br />ScraperPush DozerSource <br />Altitude Adj:1.000NA(CAT HB) <br />Job Efficiency:0.830NA(CAT HB) <br />Net Correction:0.830NA <br />Travel Time: <br />Road Condition: Firm, smooth, rolling, dirt/lt. surfaced, watered, maintained 3.0 <br />Haul Route: <br />Travel Time <br />Seg #Haul Distance (Ft)Grade Roll. Res Total Res Velocity (fpm) <br />(min) <br />(%)(%)(%) <br />12500.005.003.008.0011312.26 <br />Haul Time:2.26minutes <br />Return Route: <br />Travel Time <br />Seg #Haul Distance (Ft)Grade Roll. Res Total Res Velocity (fpm) <br />(min) <br />(%)(%)(%) <br />12500.00-5.003.00-2.0029720.89 <br />Return Time:0.89minutes <br />Total Scraper team cycle time:4.75minutes <br />Adjusted for job conditions:608.08LCY/Hour <br />Selected Number of Scrapers:2Scraper(s) <br />Adjusted single scraper team (unit) hourly production:608.08LCY/Hour <br />Adjusted multiple scraper team (fleet) hourly production:608.08LCY/Hour <br />Unadjusted unit production/hour:732.63LCY/Hour <br />Optimal Number of Scrapers per push dozer: <br />JOB TIME AND COST <br />Fleet size:1Team(s)Total job time:2.19Hours <br />Unit cost:$1.466/LCYTotal job cost:$1,952 <br />