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Scraper Worksheet Cont'd Task # 004 <br />Cycle Time: <br />Scraper Loading Time: 1.00 Minutes <br />Maneuver and Spread Time: 0.60 Minutes <br />Job Condition Correction: <br />Scraper Push Dozer Source <br />Altitude Ad': 1 1.000 NA CAT HB <br />Job Efficiencv: 1 0.830 NA I (CAT HB) <br />Net Correction: L 0.830 1 NA <br />Travel Time: <br />Road Condition: Very hard, smooth, asphalt or concrete, no tire penetration 1.2 <br />Haul Route: <br />Page 2 of 2 <br />Site AItitude: 7500 feet <br />Seg # Haul Distance (Ft) Grade Roll. Res Total Res Velocity (fpm) Travel Time <br />(min) <br />1 4462.00 2.75 1.20 3.95 2394 2.09 <br />Haul Time: 2.09 minutes <br />Return Route: <br />Seg # Haul Distance (Ft) Grade <br />Roll. Res <br />Total Res <br />Velocity (fpm) Travel Time <br />5.24 <br />minutes <br />Adjusted far job conditions: <br />(min) <br />1 4462.00 -2.75 <br />1.20 <br />-1.55 <br />2972 1.55 <br />Return Time: <br />1.55 <br />minutes <br />Total Scraper team cycle time: <br />5.24 <br />minutes <br />Adjusted far job conditions: <br />551.22 <br />LCY/Hour <br />Selected Number of Scrapers: <br />2 <br />Scraper(s) <br />Adjusted single scraper team (unit) hourly production: <br />551.22 <br />LCY/Hour <br />Adjusted multiple scraper team (fleet) hourly production: <br />2,204.89 <br />LCY/Hour <br />Unadjusted unit production/hour: 664.12 LCY/Hour <br />Optimal Number of Scrapers per push dozer: <br />JOB TIME AND COST <br />Fleet size: 4 Team(s) <br />Unit cost: 51.310 /LCY <br />Total job time: 569.57 Hours <br />Total job cost; $1,645,063 <br />CIRCES Cost Estimating Softwan: <br />