Tennessee Valley Authority July 2014 – Federal Register Recent Federal Regulation Documents

Dam Safety Modifications at Cherokee, Fort Loudoun, Tellico, and Watts Bar Dams
Document Number: 2014-17038
Type: Notice
Date: 2014-07-21
Agency: Tennessee Valley Authority, Agencies and Commissions
The Tennessee Valley Authority (TVA) is amending its July 2, 2013, Record of Decision (ROD) for the Final Environmental Impact Statement for Dam Safety Modifications at Cherokee, Fort Loudoun, Tellico, and Watts Bar Dams. In the 2013 ROD, TVA decided to implement the dam safety modifications described in the preferred Alternative B, Permanent Modifications of Dam Structures: Combination of Concrete Floodwalls and Earthen Embankments. Based on the results of subsequent engineering and feasibility studies, TVA has revised its approach for the permanent modifications to incorporate the use of roller-compacted concrete (RCC) at Cherokee and Fort Loudoun Dams and increases in the elevations of modifications at Fort Loudoun, Tellico, and Watts Bar Dams. In May, 2014, TVA completed a Supplemental Analysis (SA) of the potential impacts of the proposed revisions to the dam safety modifications. Based on the Final Environmental Impact Statement (EIS) and the SA, TVA now amends the July 2013 ROD to incorporate the revised approach.
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