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Scraper Worksheet Cont'd Task # 608 Page 2 of 2 <br />Cycle Time: <br />Scraper Loading Time: <br />Maneuver and Spread Time: <br />Job Condition Correction: <br />0.40 Minutes <br />0.60 Minutes <br />Site Altitude: 7500 feet <br />Net Correction: 0.830 0.830 <br />Travel Time: <br />Road Condition: Firm, smooth, rolling, dirt /lt. surfaced, watered, maintained 3.0 <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: 7500 feet <br />Net Correction: 0.830 0.830 <br />Travel Time: <br />Road Condition: Firm, smooth, rolling, dirt /lt. surfaced, watered, maintained 3.0 <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 />2500.00 <br />3.00 <br />3.00 <br />6.00 <br />1855 <br />1.43 <br />Haul Time: 1.43 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 />2500.00 <br />-3.00 <br />3.00 <br />0.00 <br />2921 <br />0.95 <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: 334.62 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 />Unit cost: $1.683 /LCY Total job cost: <br />0.95 <br />minutes <br />3.38 <br />minutes <br />277.73 <br />LCY/Hour <br />2 <br />Scraper(s) <br />555.46 <br />LCY/Hour <br />555.46 <br />LCY/Hour <br />12.59 Hours <br />765.79 <br />CIRCES Cost Estimating Software <br />