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<br />I <br />'. <br />I <br />I <br />I <br />, <br />I <br />I <br />I <br />,. <br />I <br />I <br />I <br />, <br />I <br />I <br />I <br />I. <br />I <br /> <br />. <br /> <br />. <br /> <br />Woodward-Clyde <br />Consultants <br /> <br />Preferred seepage. paths are believed to exist in the foundation materials due to <br />stratigraphic differences, localized faulting, areal joint and fracture patterns and a <br />postulated zone or stratum of rubble associated with an altered or burned coal seam in <br />the foundation. Seepage in these features may vary as a function of time due to the <br />plugging and unplugging of voids with transported material and dissolution of possible <br />soluble strata and/or joint filling materials. <br /> <br />The investigation and design program is structured to provide much of the data and a <br />preliminary remedial design early in the proposed schedule. We believe that the <br />engineering investigation and preliminary remedial design work can be completed <br />sufficiently early to allow CWCB review of the feasibility study this year, final remedial <br />construction starting in August of 1993 with completion in time for reservoir filling prior <br />to the 1994 irrigation season. In addition, WCC will make a concerted effort to <br />complete critical portions of the study sufficiently early to allow partial remedial <br />construction prior to the 1993 irrigation season. The partial remediation program will <br />likely address only those dam safety issues related directly to the existing voids near the <br />embankment. Following the short term, temporary repairs, the Office of the State <br />Engineer will probably be petitioned to approve increased water storage on a temporary <br />basis in Beaver Reservoir during the 1993 irrigation season while the remainder of the <br />study is being completed. <br /> <br />92D227P/P227 06-25-92(11 ,42pm)/PRO/54 <br /> <br />-2- <br />