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Scraper Worksheet Cont'd Task # 124 Page 3 of 7 <br />Cvcle 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 Adj : <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 />( %) <br />Roll. Res <br />( %) <br />Total Res <br />( %) <br />Velocity (fpm) <br />Travel Time <br />(min) <br />1 <br />2400.00 <br />10.00 <br />5.00 <br />15.00 <br />734 <br />3.29 <br />Haul Time: 3.29 minutes <br />Return Route: <br />Seg # <br />Haul Distance (Ft) <br />Grade <br />( %) <br />Roll. Res <br />( %) <br />Total Res <br />( %) <br />Velocity (fpm) <br />Travel Time <br />(min) <br />1 <br />2400.00 <br />-10.00 <br />5.00 <br />-5.00 <br />2938 <br />0.86 <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: 386.70 LCY/Hour <br />Optimal Number of Scrapers per push dozer: <br />JOB TIME AND COST <br />Fleet size: 1 Team(s) <br />Unit cost: $1.735 /LCY <br />0.86 <br />minutes <br />5.65 <br />minutes <br />320.96 <br />LCY/Hour <br />2 <br />Scraper(s) <br />320.96 <br />LCY/Hour <br />320.96 <br />LCY/Hour <br />Total job time: 137.97 Hours <br />Total job cost: $76,828.61 <br />CIRCES Cost Estimating Software <br />