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Scraper Worksheet Cont'd Task # 102 Page 2 of 2 <br />Cycle Time: <br />Scraper Loading Time: <br />Maneuver and Spread Time: <br />Job Condition Correction: <br />0.50 Minutes <br />0.60 Minutes <br />Site Altitude: 3900 feet <br />Net Correction: 0.830 0.830 <br />Travel Time: <br />Road Condition: Rutted dirt, little maintenance, no water, 1" tire penetration 4.0 <br />Haul Route: <br />Seg # <br />Scraper <br />Push Dozer <br />Source <br />Altitude Adj: <br />1.000 <br />1.000 <br />(CAT HB) <br />Job Efficiency: <br />0.830 <br />0.830 <br />(CAT HB) <br />Site Altitude: 3900 feet <br />Net Correction: 0.830 0.830 <br />Travel Time: <br />Road Condition: Rutted dirt, little maintenance, no water, 1" tire penetration 4.0 <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 />625.00 <br />-5.00 <br />4.00 <br />-1.00 <br />2938 <br />0.28 <br />Haul Time: 0.28 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 />625.00 <br />0.00 <br />4.00 <br />4.00 <br />2849 <br />0.34 <br />Return Time: <br />0.34 <br />minutes <br />Total Scraper team cycle time: <br />1.72 <br />minutes <br />Adjusted for job conditions: <br />545.77 <br />LCY /Hour <br />Selected Number of Scrapers: <br />2 <br />Scraper(s) <br />Adjusted single scraper team (unit) hourly production: <br />1,091.55 <br />LCY /Hour <br />Adjusted multiple scraper team (fleet) hourly production: <br />1,091.55 <br />LCY/Hour <br />Unadjusted unit production/hour: 657.56 LCY /Hour <br />Optimal Number of Scrapers per push dozer: <br />JOB TIME AND COST <br />Fleet size: 1 <br />Team(s) <br />Unit cost: $0.597 /LCY <br />Total job time: 16.63 Hours <br />Total job cost: $10,831.34 <br />C[RCES Cost Estimating Software <br />