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Seg # <br />Haul Distance (Ft) <br />Grade <br />( %) <br />Roll. Res <br />( %) <br />Total Res <br />( %) <br />4.00 <br />Velocity (fpm) <br />2394 <br />Travel Time <br />(min) <br />0.57 <br />1 <br />800.00 <br />0.00 <br />4.00 <br />Seg # <br />Haul Distance (Ft) <br />Grade <br />( %) <br />Roll. Res <br />( %) <br />4.00 <br />Total Res <br />( %) <br />4.00 <br />Velocity (fpm) <br />2910 <br />Travel Time <br />(min) <br />0.44 <br />1 <br />800.00 <br />0.00 <br />Scraper Worksheet Cont'd Task # O1A <br />Cycle Time: <br />Scraper Loading Time: <br />Maneuver and Spread Time: <br />Job Condition Correction: <br />Travel Time: <br />Road Condition: Rutted dirt, little maintenance, no water, 1" tire penetration 4.0 <br />Haul Route: <br />Return Route: <br />Net Correction: <br />0.830 <br />0.830 <br />1.00 Minutes <br />0.60 Minutes <br />Haul Time: <br />Return Time: 0.44 minutes <br />Total Scraper team cycle time: 2.61 minutes <br />Adjusted for job conditions: 1,106.67 LCY/Hour <br />Selected Number of Scrapers: 2 Scraper(s) <br />Adjusted single scraper team (unit) hourly production: 1,106.67 LCY/Hour <br />Adjusted multiple scraper team (fleet) hourly production: 2,213.33 LCY/Hour <br />Unadjusted unit production/hour: 1,333.33 LCY/Hour <br />Optimal Number of Scrapers per push dozer: <br />JOB TIME AND COST <br />Fleet size: 2 Team(s) Total job time: 135.54 Hours <br />Unit cost: $0.981 /LCY Total job cost: $294,152.26 <br />Page 2 of 2 <br />Site Altitude: 4880 feet <br />0.57 minutes <br />C[RCES Cost Estimating Software <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 />Scraper Worksheet Cont'd Task # O1A <br />Cycle Time: <br />Scraper Loading Time: <br />Maneuver and Spread Time: <br />Job Condition Correction: <br />Travel Time: <br />Road Condition: Rutted dirt, little maintenance, no water, 1" tire penetration 4.0 <br />Haul Route: <br />Return Route: <br />Net Correction: <br />0.830 <br />0.830 <br />1.00 Minutes <br />0.60 Minutes <br />Haul Time: <br />Return Time: 0.44 minutes <br />Total Scraper team cycle time: 2.61 minutes <br />Adjusted for job conditions: 1,106.67 LCY/Hour <br />Selected Number of Scrapers: 2 Scraper(s) <br />Adjusted single scraper team (unit) hourly production: 1,106.67 LCY/Hour <br />Adjusted multiple scraper team (fleet) hourly production: 2,213.33 LCY/Hour <br />Unadjusted unit production/hour: 1,333.33 LCY/Hour <br />Optimal Number of Scrapers per push dozer: <br />JOB TIME AND COST <br />Fleet size: 2 Team(s) Total job time: 135.54 Hours <br />Unit cost: $0.981 /LCY Total job cost: $294,152.26 <br />Page 2 of 2 <br />Site Altitude: 4880 feet <br />0.57 minutes <br />C[RCES Cost Estimating Software <br />