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Scraper Worksheet Cont’d Task # 004 Page 2 of 2 <br /> <br />CIRCES Cost Estimating Software <br /> <br /> <br /> <br />Cycle Time: Scraper Loading Time: 0.70 Minutes <br />Maneuver and Spread Time: 0.60 Minutes Job Condition Correction: Site Altitude: 6100 feet 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: Hard, smooth, stabilized, surfaced, watered, maintained 2.0 Haul Route: <br />Seg # Haul Distance (Ft) Grade <br />(%) <br />Roll. Res <br />(%) <br />Total Res <br />(%) <br />Velocity (fpm) Travel Time (min) <br />1 300.00 2.00 2.00 4.00 2665 0.28 Haul Time: 0.28 minutes Return Route: <br />Seg # Haul Distance (Ft) Grade <br />(%) <br />Roll. Res <br />(%) <br />Total Res <br />(%) <br />Velocity (fpm) Travel Time (min) <br />1 300.00 -2.00 2.00 0.00 2921 0.19 Return Time: 0.19 minutes <br />Total Scraper team cycle time: 1.77 minutes <br />Adjusted for job conditions: 530.36 LCY/Hour <br />Selected Number of Scrapers: 2 Scraper(s) <br />Adjusted single scraper team (unit) hourly production: 1,060.71 LCY/Hour <br />Adjusted multiple scraper team (fleet) hourly production: 1,060.71 LCY/Hour Unadjusted unit production/hour: 638.98 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: 42.50 Hours <br /> <br />Unit cost: <br /> <br />$0.954 <br /> <br />/LCY <br /> <br />Total job cost: <br /> <br />$43,018 <br />