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Bonita Beach Nourishment Design & Permitting

Lovers KeyLee County successfully constructed initial beach restoration projects on both Bonita Beach and, in partnership with the State Park Service, on Lovers Key State Park in the 1990s. The first maintenance renourishment of Bonita Beach took place in 2004 using approximately 115,000 cubic yards of fill; shortly after, maintenance fill was also placed along critically eroded shoreline sections on Lovers Key. Coastal Tech was selected by Lee County to provide the full range of professional services necessary to construct the second maintenance of both Project segments. The County desired to maintain both Project fill segments generally as previously designed and constructed. However, our work began with a full review of previous FDEP-required monitoring and Project performance, and included recommendations for design enhancement.

Bonita BeachSand for both 2004 fill segments was excavated by a hydraulic cutterhead dredge from the Big Carlos Pass ebb shoal. Because this shoal was a near-by compatible and economical source for the beach fill, our sand search focused on using additional portions of the ebb shoal deposit for the current project. Through our sub-consultants AVS and FAS we completed a full field investigation including obtaining seismic data, vibracores and performing a cultural resources assessment. Data and core samples were reviewed by our Professional Geologist and proposed borrow area limits and cuts were designed. A major FDEP concern is the potential effect additional shoal dredging might have on sections of adjacent shorelines and we have performed a multi-track evaluation to address that issue.

Bonita BeachThe other services being performed by us include those tasks necessary to advance and complete the Project Area fill design, obtain FDEP and USACE permits for the Project and prepare Construction Documents for bidding by the County.Because the two Project segments have different owners/sponsors, they also have different cost sharing formulations, and part of our Project Management service is to separate and track fees for each area to the extent practicable

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