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Monitoring of Marseilles Dam Submersible Gates, Illinois River, Illinois
ENGINEER RESEARCH AND DEVELOPMENT CENTER VICKSBURG MS COASTAL AND HYDRAULICSLAB
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In 1998, Marseilles Dam, IL, was approved for inclusion in the Monitoring Completed Navigation Projects Program. The object of the monitoring plan for Marseilles Dam was to determine if the dam gates were performing both functionally and structurally as predicted by model studies used in the project design. Monitoring of the dam was conducted during the period June 1999 through June 2001. Elements of the monitoring program included a Life-Cycle Cost analysis. Vibration data obtained from instruments on the gates appeared to validate a previous three-dimensional model study. A videotape analysis used to analyze gate efficiency for ice passage was successful. Trends in vibration data correlated well with model data. The Marseilles Dam submersible gates are currently functioning vibration-free and are in good structural condition. The Remote Operation System eliminated the need for 2hr staffing of the dam and provides for operation of the dam at the lock, 2.4 mi away and allows for relatively easy maintenance of strict pool tolerances. The submersible gates provide a safer mechanism for passing ice at lower discharged during winter conditions.
APPROVED FOR PUBLIC RELEASE