Protecting the Boca Raton Outfall Before and After Hurricane Andrewby Jonathan A. French, Camp Dresser & McKee Int Inc, Cambridge, United States,
W. Andrew Johnson, Camp Dresser & McKee Int Inc, Cambridge, United States,
Jeffrey A. Mills, Camp Dresser & McKee Int Inc, Cambridge, United States,
Grenville S. Marsh, Camp Dresser & McKee Int Inc, Cambridge, United States,
Abstract: A critical factor for the success of an ocean outfall is its ability to remain intact and functional for many decades of service, despite extreme episodes of wave attack and beach erosion. Surveys conducted on the Boca Raton Ocean Outfall in 1984 indicated that some portions of the outfall were inadequately protected against damage that could be caused by a Category 4 hurricane, which in that area would generate a wave 27 feet (8.2 m) high. The Florida Department of Environmental Regulation expressed concerns about movement of the pipeline by waves and currents as well as pipeline spanning caused by waves and current scour. This paper discusses the protection alternatives that were selected to protect the outfall and how these protection measures fared during Hurricane Andrew.
Subject Headings: Hurricanes and typhoons | Pipelines | Environmental issues | Scour | Ocean waves | Beaches
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