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<br /> <br />Revision to Section 2.05.4(b) <br />Replace Topsoil (RR) - 30,D00 yd3 <br />Scraper production rate: <br />.7 mi. loaded = 1.6 min. <br />.7 mi. empty = 1.6 min. <br />load = .6-min. <br />dump = .7 min. <br />4.5 min. <br />30,000 yd3 a 298 yd3/hr = <br />Scraper, 101 hours @ $221.90 = $22,412 <br /> <br />Revegetation Costs (RR) <br />38 acres x $930/acre <br />Trips/60 min. hr = 13.3 <br />Eff. = 83% <br />Cap = 27 yd3 <br />13.3 trips x 27 yd3/load x 83% <br />Efficiency = 298 yd3/hr <br />101 unit hours required <br />$35,340 <br />Strip and Haul Facilities Pad - 10,000 yd3 <br />.25 mile haul dist. = 2.7 min. cycle time <br />455 yd3/hr production rate <br />10,000 yd3 e 455 yd3/hr = 22 hours <br />Scraper, 22 hours @ 5221.90 = $4,882 <br /> <br />751/70/28 <br />Revised January 1985 <br />