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• Revision to Section 2.05.4(b) <br />East Wall <br />22,000 BCY x 1.172 swell = 25,780 LCY <br />25,780 LCY e 653 LCY/hr = 39 machine hours <br />South Highwall <br />112,000 BCY x 1.172 = 131,260 LCY <br />131,260 653 LCY/hr = 201 machine hours <br />Total D-10 hours = 240 hrs @ 252.66 = $60,638 <br />Topsoil Redistribution <br />It has been determined that 330,765 yards of topsoil will have to be redis- <br />tributed in 1985. Using a scraper capacity of 27 yd3, the following <br />production rates were determined: <br />Stockpile Yds Time Min.) i50 min/hr) Hours <br />• A 133,863 7.4 182.4 yds/hr 735 <br />B 114,583 6.9 195.7 yds/hr 586 <br />C 7,550 6.7 190.00 yds/hr 40 <br />D 9,115 6.5 207.7 yds/hr 44 <br />E 2,784 7.2 187.5 yds/hr 15 <br />F 62,870 6.5 207.7 yds/hr 303 <br /> TOTAL HOURS 1,723 <br />Using a 637D s craper <br />1,723 hours @ 221.89/hr = $382,316 <br />Revegetation Costs <br />145.3 acr es @ $930/acre = $135,129 <br /> <br />751/70/22 Revised January 1985 <br />