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Scraper Worksheet Cont'd <br />Cycle Time: <br />Scraper Loading Time: <br />Maneuver and Spread Time: <br />Job Condition Correction: <br />Task # 019 <br />0.70 Minutes <br />0.60 Minutes <br />Table 3.7 -1 Page 30 <br />Page 2 of 2 <br />Site Altitude: 5600 feet <br />Net Correction: 0.830 f 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 />Table 3.7 -1 Page 30 <br />Page 2 of 2 <br />Site Altitude: 5600 feet <br />Net Correction: 0.830 f 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) Travel Time <br />(min) <br />1 <br />2100.00 <br />8.30 <br />5.00 <br />13.30 <br />834 1 2.54 <br />Haul Time: 2.54 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 />2100.00 <br />-8.30 <br />5.00 <br />-3.30 <br />2938 <br />0.77 <br />Return Time: <br />0.77 <br />minutes <br />Total Scraper team cycle time: <br />4.61 <br />minutes <br />Adjusted for job conditions: <br />203.63 <br />LCY/Hour <br />Selected Number of Scrapers: <br />1 <br />Scraper(s) <br />Adjusted single scraper team (unit) hourly production: <br />203.63 <br />LCY/Hour <br />Adjusted multiple scraper team (fleet) hourly production: <br />203.63 <br />LCY/Hour <br />Unadjusted unit production/hour: 245.34 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 />5.90 <br />Hours <br />Unit cost: $1.340 /LCY Total job cost: <br />$1,610.80 <br />CIRCES Cost Estimating Software <br />