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Title: Lee County, Florida, Shore Protection Project: Gasparilla Island Segment: Final Integrated Section 934 Report and Environmental Assessment; Appendix D: Geotechnical
Authors: United States. Army. Corps of Engineers. Jacksonville District
Keywords: Shore protection
Beach nourishment
Gasparilla Island (Fla.)
Publisher: United States. Army. Corps of Engineers. Jacksonville District.
Abstract: The Gasparilla Island portion of the Lee County Shore Protection Project is located within part of a 4.0 mile segment of critically eroded beach along the southern Gulf Shore of Gasparilla Island, including portions of Gasparilla Island State Park (R-16.5 and R-22.5 to R-26). Historically, sand from the maintenance dredging of Boca Grande Pass was placed along the southern portion of this area in 1981, 1993 and 1997. The U.S. Army Corps of Engineers (USACE) completed a General Reevaluation Report (GRR) for Gasparilla and Estero Islands in January 2000. The final design included a beach restoration from R10 to R26 using approximately 920,000 cy of sand from an offshore sand source. The beach restoration project was completed in April of 2007 with placement of 1,072,781 cy of sand, and the design consisted of a beach berm at elevation +5 ft NGVD sloping to +4.2 ft NGVD to protect the existing dune and upland development. This report includes a description of the regional and local geology of Lee County, a sediment characterization of the existing beach, and a preliminary sand source evaluation. The existing beach characteristics are summarized in Tables 1 and 2. The compatibility of the existing beach and the proposed sand source is summarized in Table 3. An overview map of the fill placement site and proposed sand source are depicted on Plate 1. The proposed sand source and existing core borings are depicted on Plate 2. Boring logs and available laboratory results are attached in the Appendix. Additional borings may be needed within the sand source during the design phase of this project.
Description: Section 934 Report / Environmental Assessment
Rights: Approved for Public Release; Distribution is Unlimited
Appears in Collections:Environmental Documents

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