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Page 67 of 371 <br /> <br />CIRCES Cost Estimating Software <br /> <br /> <br />Cycle Time: <br />Scraper Loading Time: 0.90 Minutes <br />Maneuver and Spread Time: 0.60 Minutes <br />Job Condition Correction: Site Altitude: 6750 feet <br /> Scraper Push Dozer Source <br />Altitude Adj: 1.000 NA (CAT HB) <br />Job Efficiency: 0.830 NA (CAT HB) <br /> <br />Net Correction: <br /> <br />0.830 <br /> <br />NA <br />Travel Time: <br /> Road Condition: Firm, smooth, rolling, dirt/lt. surfaced, watered, maintained 3.0 <br />Haul Route: <br />Seg # Haul Distance (Ft) Grade <br />(%) <br />Roll. Res <br />(%) <br />Total Res <br />(%) <br />Velocity <br />(fpm) <br />Travel Time <br />(min) <br />1 1500.00 10.00 3.00 13.00 834 1.82 <br />Haul Time: 1.82 minutes <br />Return Route: <br />Seg # Haul Distance (Ft) Grade <br />(%) <br />Roll. Res <br />(%) <br />Total Res <br />(%) <br />Velocity <br />(fpm) <br />Travel Time <br />(min) <br />1 1500.00 -10.00 3.00 -7.00 2938 0.57 <br />Return Time: 0.57 minutes <br />Total Scraper team cycle time: 3.89 minutes <br />Adjusted for job conditions: 466.17 LCY/Hour <br />Selected Number of Scrapers: 2 Scraper(s) <br />Adjusted single scraper team (unit) hourly production: 466.17 LCY/Hour <br />Adjusted multiple scraper team (fleet) hourly production: 466.17 LCY/Hour <br />Unadjusted unit production/hour: 561.65 LCY/Hour <br />Optimal Number of Scrapers per push dozer: <br /> <br />JOB TIME AND COST <br />Fleet size: 1 Team(s) Total job time: 15.80 Hours <br /> <br />Unit cost: <br /> <br />$1.284 <br /> <br />/LCY <br /> <br />Total job cost: <br /> <br />$9,460 <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br />