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<br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br /> /~''- <br /> ~'" -.... <br />I -- ~- <br /> <br />7.5.5 GCL Installation <br /> <br />A geosynthetic clay liner will be placed over the reservoir area and overlap the <br />embankment a minimum of 10 feet. The GCL will be installed with an anchor trench <br />located along the perimeter of liner area. The GCL will consist of a layer of high <br />quality bentonite sandwiched between and integrally connected to two geotextile layers. <br />The geotextile layers will minimize the potential for migration of the bentonite into the <br />foundation or the cover fill. The bentonite will act as a seepage'barrier to minimize flow <br />into the foundation bedrock and reduce the potential for sinkhole development beneath <br />the liner. <br /> <br />7.5.6 Cover Fill <br /> <br />After liner placement is complete, the entire liner system will be covered with a <br />minimum soil thickness of one foot: <br /> <br />----.'- <br /> <br />7.5.7 Instrumentation <br /> <br />There are currently monitoring wells installed in the embankment and the foundation <br />from previous studies. Ng,additional instrumentation is expected to be necessary. <br /> <br />'~, <br /> <br />" <br /> <br />23067/Rl.7 09-03.93(3:24pm)fRPT <br /> <br />7-7 <br />