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_ Revision to Section 2.05.4 ~ • <br />Reduction of Pit Slopes (ccnt'd) <br />Total D-10 hours = 90 hrs @ 238.64 = 21,478 <br />Operator hours = 96 @ 320/hr = $1,920 <br />Total Slope Reduction = 323,398 <br />Topsoil Redistribution <br />It has been determined that 336,000 yards of topsoil will have to be <br />:•edistributed in 1984. Using a scraper capacity of 27 yd3, the following <br />production rates were determined: <br /> Cycle Production <br />Stockpile Y~1s Time Min, (50 min/hr) Hours <br />A 176,000 7.4 182.4 yds/hr 965 <br />B 82,000 6.9 195.7 yds/hr 419 <br /> i <br />D 58,000 6.5 207.7 yds/hr 27 <br />E 20,000 7.2 187.5 yds/hr 107 <br /> TOTAL HOURS 1,770 <br />Using a 637D scraper <br />1770 hours @ 185.21/hr = 327,822 <br />Labor 1,888 hours x 320/hr = 37,760 <br />TOTAL TOPSOIL REDISTRIBUTIO'; 365,582 <br />Revegetatio~ Costs <br />90 acres @ 5930/acre = 83,700 <br />~~ ~ ,. <br />Revised September, 1984 <br />