Phase II of the project will consist of a new outlet works and cutoff wall and is awaiting additional funding. The evaluation identified several IRRM until Phase II of the Dam Safety Modification Project is complete. The IRRM implementation is based on a recommendation from a risk assessment that evaluated the existing condition of the dam and its foundation to assess the structure’s ability to operate as designed in the event of a flood. Army Corps of Engineers, Louisville District will implement Interim Risk Reduction Measures (IRRM) to ensure life safety and to further protect the integrity of Rough River Dam in Falls of Rough, Kentucky. Phase II includes construction of a new outlet works and a full-depth cutoff wall across the dam and is awaiting additional funding. Since the completion of the drilling and grouting, instrumentation and visual observations have shown that the foundation conditions are continuing to deteriorate causing increasing concern. Phase 1 was successful, however, the Phase II project, which will provide the permanent risk reduction, has not yet been fully funded. Phase I, which relocated the crest road and completed Exploratory Drilling and Grouting across the centerline of the dam, was finished in May 2017. The report recommended major rehabilitation to ensure the structure’s integrity and to lower the project’s risk. The Dam Safety Modification project is a result of a report from July 2012, which highlighted unacceptable risk due to the dam’s foundation being constructed on karst geology. We will continue to work with them to lessen the impact of interim risk reduction measures where possible. We value our partnerships with local, state, and federal agencies and all of those individuals throughout the Rough River community. ![]() ![]() Public safety is the main priority of the U.S. USACE has completed an updated risk assessment which evaluated the current project risk as well as ways to reduce risk while Phase II of the Dam Safety Modification Project (construction of the cutoff wall) awaits additional funding. USACE Louisville District is implementing Interim Risk Reduction Measures to ensure life safety and to further protect the integrity of Rough River Dam.
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