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Bowie No. 2 Mine C- 1996 -083 Minor Revision No. 151 Page 3 of 5 <br />Cycle Time: <br />Scraper Loading Time: <br />Maneuver and Spread Time: <br />Job Condition Correction: <br />0.90 Minutes <br />0.60 Minutes <br />Site Altitude: 6750 feet <br />Net Correction: I 0.830 NA <br />Travel Time: <br />Road Condition: Rutted dirt, little maintenance, no water, 2" tire penetration 5.0 <br />Haul Route: <br />Seg # <br />Scraper <br />Push Dozer <br />Source <br />Altitude Ad': <br />1.000 <br />NA <br />CAT HB <br />Job Efficiency: <br />0.830 <br />NA <br />CAT HB <br />Site Altitude: 6750 feet <br />Net Correction: I 0.830 NA <br />Travel Time: <br />Road Condition: Rutted dirt, little maintenance, no water, 2" tire penetration 5.0 <br />Haul Route: <br />Seg # <br />Haul Distance (Ft) <br />Grade <br />Roll. Res <br />Total Res <br />Velocity (fpm) <br />Travel Time <br />(min) <br />1 <br />2000.00 <br />-5.00 <br />5.00 <br />0.00 <br />2921 <br />0.83 <br />Haul Time: 0.83 minutes <br />Return Route: <br />Seg # <br />Haul Distance (Ft) <br />Grade <br />Roll. Res <br />Total Res <br />Velocity (fpm) <br />Travel Time <br />(min) <br />1 <br />2000.00 <br />5.00 <br />5.00 <br />10.00 <br />1768 <br />1.20 <br />Return Time: <br />Total Scraper team cycle time: <br />Adjusted for job conditions: <br />Selected Number of Scrapers: <br />Adjusted single scraper team (unit) hourly production: <br />Adjusted multiple scraper team (fleet) hourly production: <br />Unadjusted unit production/hour: 640.79 LCY/Hour <br />Optimal Number of Scrapers per push dozer: <br />JOB TIME AND COST <br />Fleet size: 1 Team(s) <br />Unit cost: $1.105 /LCY <br />1.20 <br />minutes <br />3.53 <br />minutes <br />531.86 <br />LCY /Hour <br />2 <br />Scraper(s) <br />531.86 <br />LCY /Hour <br />531.86 <br />LCY/Hour <br />Total job time: 44.21 Hours <br />Total job cost: $25,971.43 <br />CIRCES Cost Estimating Software <br />