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Scraper Worksheet Cont'd <br />Task # 02A <br />Page 2 of 2 <br />Cycle Time: <br />Scraper Loading Time: <br />0.90 Minutes <br />Maneuver and Spread Time: <br />0.60 Minutes <br />Job Condition Correction: <br />Site Altitude: <br />6565 feet <br />Scral�er <br />Push Dozer Source <br />Altitude Adi: <br />- - - - -------- - <br />1.000 (CAT --HB) <br />Job Efficiency <br />L qtL�N 0.830 <br />6.- 9J -0, (-CAT H -B-) <br />Net Correction: 0.830 <br />0.830 <br />Travel Time: <br />Road Condition: Firm, smooth, rolling, <br />dirt/It. surfaced, watered, maintained 3.0 <br />Haul Route: <br />Seg # Haul Distance (Ft) Grade <br />Roll. Res Total Res Velocity (fpm) <br />Travel Time <br />(0/6) <br />(0/6) (0/6) <br />(min) <br />1 1000.00 2.00 <br />3.00 5.00 2218 <br />0.62 <br />Haul Time: 0.62 <br />minutes <br />Return Route: <br />Seg # Haul Distance (Ft) Grade <br />Roll. Res Total Res Velocity (fpm) <br />Travel Time <br />�,%} <br />( %) iW <br />(min) <br />1 1 1000.00 -2.00 <br />3.00 1.00 2913 <br />0.44 <br />Return Time: 0.44 <br />minutes <br />Total Scraper team cycle time: 2.56 <br />minutes <br />Adjusted for job conditions: 733.38 <br />LCY/Hour <br />Selected Number of Scrapers: 4 <br />Scraper(s) <br />Adjusted single scraper team (unit) hourly production: 1,466.77 <br />LCY/Hour <br />Adjusted multiple scraper team (fleet) hourly production: 2933.53 <br />LCY/Hour <br />Unadjusted unit production/hour: <br />883.59 LCY/Hour <br />Optimal Number of Scrapers per push dozer: <br />JOB TIME AND COST <br />Fleet size: 2 Team(s) <br />Total job time: 15.47 <br />Hours <br />Unit cost: $1.033 /LCY <br />Total job cost: $46,860.89 <br />CIRCES Cost Estimating Software <br />