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'~~ ~~ i <br />.. . <br />2. Installing pipe connections between igtemal berms separating the pits to help stabilize <br />water elevations during flooding events::. . <br />3: Installing flood cantrol eplllwayg between the reclaim lakes. These would be <br />installed in the berths that aze oriented. in the east-west direction. <br />4. In lieu of internal spillways, armoring iysing riprap on the east-west internal berms <br />and potentially the western edges of the lakes that abut the South Platte River. <br />These measures will minimize the impacts due to flooding..As you can see from the , <br />chart, most of the velocities that are expected within the area of the mining operations <br />will bg below velocities pottsidered to bg erosive. Once tnitiittg work begins, we will <br />provide specific armoring and tttitigation details for each part of the construction. <br />If you have any additional questions; please contact me. <br />Sincerely, <br />PICKETT ENGINEERING, INC. <br />cc: Tom Shazkey, Coloiado Structures, Inc. <br />Rocky Hoffschneider, Concrete Management Corp. <br />,~ <br />i <br /> <br />