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Scraper Worksheet Cont'd Task#003 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: 5000 feet <br /> Scraper T Push r Source <br /> Doze <br /> Altitude Ad': _i 1.000 J <br /> ---- —— <br /> --- + —--' ---- - 1.000 j — (CAT HB) <br /> Job Efficiency: - 0.830 j — 0.830 (CAT HB) - <br /> i —Net Correction: j 0.830 0.830 j <br /> Travel Time: <br /> Road Condition: Firm,smooth, rolling,dirt/It. surfaced watered maintained 3.0 <br /> Haul Route: <br /> Se-# Haul Distance(Ft) Grade Roll.Res Total Res Velocity(fpm)T Travel Time <br /> 5. -- ? 8 00 — 7-- (min) <br /> — - — -- <br /> 1 t 800.00 .00 �3.00 — 1426_ 0.69 - -- <br /> Haul Time: 0.69 minutes <br /> _Return Route: <br /> Seg# Haul Distance(Ft) Grade Roll.Res T Total Res Velocity(fpm) I Travel Time j <br /> 1 800.00 _�—_5.00 3.00 2.00 —T 2987 0.33 <br /> Return Time: 0.33 minutes <br /> Total Scraper team cycle time: _ 2.62 minutes <br /> Adjusted for job conditions: 722.29_ LCY/Hour <br /> Selected Number of Scrapers: 8 _ — Scraper(s) <br /> Adjusted single scraper team(unit)hourly production: 5,778.32 _ LCY/Hour <br /> Adjusted multiple scraper team(fleet)hourly production: 5,778.32 LCY/Hour <br /> Unadjusted unit production/hour: 870.23 LCY/Hour <br /> Optimal Number of Scrapers per push dozer: <br /> JOB TIME AND COST <br /> Fleet size: 1 - Team(s) Total job time: 11.85 Hours <br /> Unit cost: $0.653 /LCY Total job cost: $44,725 <br /> CIRCES Cost Estimating Software <br />