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Scraper Worksheet Cont'd Task # 006 Page 2 of 2 <br />Cycle Time: <br />Scraper Loading Time: 1.00 Minutes <br />Maneuver and Spread Time: 0.60 Minutes <br />Job Condition Correction: Site Altitude: 6200 feet <br /> Scraper Push Dozer Source <br />Altitude Ad': 1.000 NA (CAT HB) <br />Job Efficiency: 0.830 NA (CAT HB) <br />Net Correction: 0.830 NA <br />Travel Time: <br />Road Condition: Rutted dirt, little maintenance no water, 2" tire penetration 5.0 <br />Seg # Haul Distance (Ft) Grade <br />(%) Roll. Res <br />(%) Total Res <br />(%) Velocity (fpm) Travel Time <br />(min) <br />1 2800.00 -10.00 5.00 -5.00 2972 0.99 <br />Haul Time: 0.99 minutes <br />Seg # 1` v Haul Distance (Ft) Grade <br />(%) Roll. Res <br />(%) Total Res <br />(%) Velocity (fpm) Travel Time <br />(min) <br />1 2800.00 10.00 5.00 15.00 1047 2.70 <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: 642.01 LCY/Hour <br />Optimal Number of Scrapers per push dozer: <br />JOB TIME AND COST <br />2.70 minutes <br />5.29 minutes <br />532.87 LCY/Hour <br />2 Scraper(s) <br />532.87 LCY/Hour <br />532.87 LCY/Hour <br />Fleet size: 1 Team(s) Total job time: 152.01 <br />Unit cost: $1.153 /LCY Total job cost: $93,424.01 <br />Hours <br />CIRCES Cost Estimating Software