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Bowie No. 2 MineTR-72Page 5of 7 <br />Cycle Time: <br />Scraper Loading Time:0.90Minutes <br />Maneuver and Spread Time:0.60Minutes <br />Job Condition Correction:Site Altitude: 6750 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: Rutted dirt, little maintenance, no water, 2” tire penetration 5.0 <br />Haul Route: <br />Seg #Haul Distance (Ft)Grade Roll. Res Total Res Velocity (fpm)Travel Time <br />(min) <br />(%)(%)(%) <br />11000.005.005.0010.0010680.97 <br />Haul Time:0.97minutes <br />Return Route: <br />Seg #Haul Distance (Ft)Grade Roll. Res Total Res Velocity (fpm)Travel Time <br />(min) <br />(%)(%)(%) <br />11000.00-5.005.000.0029210.44 <br />Return Time:0.44minutes <br />Total Scraper team cycle time:2.91minutes <br />Adjusted for job conditions:645.18LCY/Hour <br />Selected Number of Scrapers:2Scraper(s) <br />Adjusted single scraper team (unit) hourly production:645.18LCY/Hour <br />Adjusted multiple scraper team (fleet) hourly production:645.18LCY/Hour <br />Unadjusted unit production/hour:777.32LCY/Hour <br />Optimal Number of Scrapers per push dozer: <br />JOB TIME AND COST <br />Fleet size:1Team(s)Total job time:2.28Hours <br />Unit cost:$0.849/LCYTotal job cost:$1,248.50 <br />CIRCES Cost Estimating Software <br />