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Scraper Worksheet Cont'd Task # MR168A01 Page 2 of 2 <br />Cycle Time: <br />Scraper Loading Time: <br />Maneuver and Spread Time: <br />Job Condition Correction: <br />0.80 Minutes <br />0.60 Minutes <br />Scraper <br />Push Dozer <br />Source <br />Altitude Ad': 1.000 <br />NA <br />(CAT HB) <br />Job Efficiency: 0.830 <br />NA <br />(CAT HB) <br />Site Altitude: 5700 feet <br />Net Correction: 0.830 NA <br />Travel Time: <br />Road Condition: Firm, smooth, rolling, dirt/It. 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 />340.00 <br />3.00 <br />3.00 <br />6.00 <br />1477 <br />031 <br />Haul Time: 0.31 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 />340.00 <br />-3.00 <br />3.00 <br />0.00 <br />2965 <br />0.22 <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: 780.55 LCY/Hour <br />Optimal Number of Scrapers per push dozer: <br />JOB TIME AND COST <br />Fleet size: 1 Team(s) <br />Unit cost: $0.587 /LCY <br />0.22 <br />minutes <br />1.93 <br />minutes <br />647.86 <br />LCY/Hour <br />1 <br />Scraper(s) <br />647.86 <br />LCY/Hour <br />647.86 <br />LCY/Hour <br />Total job time: 6.38 Hours <br />Total job cost: $2,428 <br />CIRCES Cost Estimating Software <br />