Offshore Dredging - Is it still Cost Effective for Beach Restoration?

by Kim Beachler, Arthur V. Strock & Associates, Inc, Deerfield Beach, FL,
Thomas J. Campbell, Arthur V. Strock & Associates, Inc, Deerfield Beach, FL,



Document Type: Proceeding Paper

Part of: Dredging and Dredged Material Disposal

Abstract:

Offshore dredging has been the source of sand for beach restoration in southeast Florida since Broward County constructed the first project in Pompano Beach in 1970. However, with increasing environmental regulations, reduction of offshore borrow sand by previous dredging, and increasing dredge costs, Broward County has undertaken a study to determine if offshore dredging remains competitive to alternative sand sources for beach fill. The various alternatives being investigated include dredging from inland sources, such as inlets or Intracoastal Waterway, inland construction and mining operations, and imported sediment. This report provides an overview of information obtained thus far and discusses further evaluations required to make recommendations to Broward County on alternate sand sources.

Subject Headings: Sandy soils | Sand (hydraulic) | Coastal management | Dredging | Dredged materials | Benefit cost ratios | Beach protection and nourishment | Florida | United States

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