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EARTHWORK ESTIMATING -SCRAPER WORK (SINGLE SHIFT) TASK 16 <br />• TASK DESCRIPTION - Redistribute Topsoil on McClave to Munger Road. <br /> HOURLY EQUIPMENT COST <br /> MACHINE MAKE AND MODEL - CAT 623E <br /> OWNERSHIP 43.83 $/HR <br /> OPERATING 58.08 $/HR <br /> OPERATOR 20.56 $/HR <br /> MACHINE COST 122.47 $/HR <br /> MATERIAL QUANTITIES <br /> 1,719 CUYD x 1.10 SWELL = 1,891 CUYD <br /> VERIFICATION OF VOLUMES From Fig. 2.2-2 <br /> SCRAPER PRODUCTION <br /> HAUL ROUTE RETURN <br /> Length 850 ft 850 ft <br /> Grade 4.00 °~ (4.00) °,f, <br /> Roll Rst 5.00 % 5.00 <br /> TL. RES. 9.00 °~ 1.00 <br /> Velocity 739 fpm 2718 fpm <br /> Trvl. Tm. 1.22 MIN 0.49 MIN <br /> LOAD/SPRD 0.90 MIN 0.70 MIN <br /> TOTAL ROUND TRIP TIME 3.31 MIN <br /> MATERIAL WT. 2100 LB/CUYD <br /> PAYLOAD 50000 LB 23.81 CUYD <br /> ALTITUDE ADJ. 0.94 <br /> MAXIMUM MACHINE PAYLOAD = 22.00 CUYD <br /> PRODUCTION PER 50 MIN HOUR 312.39 <br /> TOTAL MATERIAL VOLUME 1,891 CUBIC YARDS <br /> NUMBER OF SCRAPERS 1 <br />JOB COST <br />TOTAL JOB TIME <br />COST PER HOUR <br />f • COST PER UNIT VOLUME <br />6.05 HOURS <br />$122.47 <br />TOTAL JOB COST <br />$0.392 <br />$741.32 <br />Mc VOL 1 - Tbl 3.7-1 TASK 16 11 - 19 - 98 <br />