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Bowie No. 2 Mine Reclamation Cost Estimate RN -3 Page 83 of 312 <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 />( %) <br />Total Res <br />( %) <br />Velocity (fpm) <br />Travel Time <br />(min) <br />1 <br />2600.00 <br />0.00 <br />5.00 <br />5.00 <br />2218 <br />1.35 <br />Haul Time: 1.35 minutes <br />Return Rrnrte- <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 />2600.00 <br />0.00 <br />5.00 <br />5.00 <br />2814 <br />1.07 <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: 577.04 LCY /Hour <br />Optimal Number of Scrapers per push dozer: <br />JOB TIME AND COST <br />Fleet size: 1 Team(s) <br />Unit cost: $1.163 /LCY <br />1.07 <br />minutes <br />3.92 <br />minutes <br />478.94 <br />LCY /Hour <br />2 <br />Scraper(s) <br />478.94 <br />LCY /Hour <br />478.94 <br />LCY /Hour <br />Total job time: 101.00 Hours <br />Total job cost: $56,244.80 <br />