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Bowie No. 2 Mine C1996083 Technical Revision No.77 Page 30 of 34 <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: 6100 feet <br />Net Correction: 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: 6100 feet <br />Net Correction: 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 />1000.00 <br />12.00 <br />5.00 <br />17.00 <br />650 <br />1.55 <br />Haul Time: 1.55 minutes <br />RPtnm Rnute- <br />Seg # <br />Haul Distance (Ft) <br />Grade <br />Roll. Res <br />%) <br />Total Res <br />% <br />Velocity (fpm) <br />Travel Time <br />(min) <br />1 <br />1000.00 <br />-12.00 <br />5.00 <br />-7.00 <br />2938 <br />0.41 <br />Return Time: <br />0.41 <br />minutes <br />Total Scraper team cycle time: <br />3.46 <br />minutes <br />Adjusted for job conditions: <br />542.62 <br />LCY/Hour <br />Selected Number of Scrapers: <br />2 <br />Scraper(s) <br />Adjusted single scraper team (unit) hourly production: <br />542.62 <br />LCY/Hour <br />Adjusted multiple scraper team (fleet) hourly production: <br />542.62 <br />LCY/Hour <br />Unadjusted unit production/hour: 653.76 LCY/Hour <br />Optimal Number of Scrapers per push dozer: <br />JOB TIME AND COST <br />Fleet size: 1 Team(s) Total job time: <br />68.32 <br />Hours <br />Unit cost: $1.026 /LCY Total job cost: <br />$38,044.99 <br />CIRCES Cost Estimating Software <br />