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Scraper Worksheet Cont'd Task # 045 <br />Cycle Time: <br />Scraper Loading Time: 0.60 Minutes <br />Maneuver and Spread Time: 0.60 Minutes <br />Job Condition Correction: <br />Page 2 of 2 <br />Site Altitude: 5700 feet <br />Net Correction: I 0.830 I 0.830 <br />Travel Time: <br />Road Condition: Firm, smooth, rolling dirt/It. surfaced watered maintained 3.0 <br />Haul Route: <br />Seg # <br />Scraper <br />Push Dozer <br />Source <br />Altitude Ad': <br />1.000 <br />1.000 <br />(CAT HB) <br />Job Efficiency: <br />0.830 <br />0.830 <br />(CAT HB) <br />Page 2 of 2 <br />Site Altitude: 5700 feet <br />Net Correction: I 0.830 I 0.830 <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 />I (fin) <br />1 <br />3350.00 <br />3.00 <br />3.00 <br />6.00 <br />1477 <br />1 2.33 <br />Haul Time: 2.33 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 />(fin) <br />1 <br />3350.00 <br />-3.00 <br />3.00 <br />0.00 <br />2965 <br />1.23 <br />Return Time: <br />1.23 <br />minutes <br />Total Scraper team cycle time: <br />4.76 <br />minutes <br />Adjusted for job conditions: <br />303.40 <br />LCY/Hour <br />Selected Number of Scrapers: <br />2 <br />Scraper(s) <br />Adjusted single scraper team (unit) hourly production: <br />606.81 <br />LCY/Hour <br />Adjusted multiple scraper team (fleet) hourly production: <br />1,213.61 <br />LCY/Hour <br />Unadjusted unit production/hour: 365.55 LCY/Hour <br />Optimal Number of Scrapers per push dozer: <br />JOB TIME AND COST <br />Fleet size: 2 Team(s) Total job time: <br />31.07 <br />Hours <br />Unit cost: $1.172 /LCY Total job cost: <br />$44,211.47 <br />CIRCES Cost Estimating Software <br />