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Sand placement signals beach renourishment’s start by Great Lakes Dredge & Dock

Posted on September 9, 2021

CEPD
This week, fill and dredging began for the beach renourishment program.

The island’s beach renourishment project kicked off this week with the placement of the first sand.

Captiva Erosion Prevention District reported the beach fill operation would begin on Sept. 1. Then, the following day, the district received a report that first dredged sandy had reached the shoreline.

“Over the past few weeks, they’ve been staging the equipment on the beach side,”Daniel Munt, CEPD Technical Director, stated that two dredges would be used for the job simultaneously.

Great Lakes Dredge and Dock plans to place approximately 750,000 cubic yard of beach fill along 4.85 mile of Gulf of Mexico shoreline. This includes Redfish Pass and Blind Pass. It will also include dune rehabilitation. The project is expected to be completed in 50 days.

The CEPD reported that the renourishment is designed to last between 8 and 10 years. It will ensure long-term protection against the erosion of properties, beaches, and shorelines.

CEPD
Current estimates for the dredging of the beach and filling the holes for the project.

The CEPD released an updated map with color-coded dates showing the projected progress. The CEPD stated that these dates are only estimates and may change slightly.

All work will take place within a 1000-foot area that will be temporarily secured with a safety fence. This will allow for the beach to fill at a steady pace.

Munt said that the south section would be finished in about three weeks.

Last week, Turner Beach’s parking lot at 17200 Captiva Drive was completely closed. The lot for Alison Hagerup Beach Park at 14790 Captiva Drive however, remained open. Depending on where the project takes place, the two lots may be partially or fully closed.

PROJECT BENEFITS & COST SHARE

CEPD
This week, filling for the beach renourishment program began with dredging.

While analyzing the benefits disparity during a recent review of the economist’s report, CEPD staff and Chairman Rene Miville discovered that the analysis was done in July 2018, during the worst red tide that Captiva has ever experienced. According to the CEPD the red tide resulted in many cancellations of events and lodging, which led to island businesses losing millions of tourism revenue from potential tourists.

The CEPD was able to collect more realistic data than what the economist had incorporated to help increase the percentage of recreational benefits.

Munt also found an error in the calculations when comparing the 2014 apportionment documents to those for this project. After consulting Dr. William Stronge, CEPD consultant, and reviewing the calculations, it was discovered that the new benefit model didn’t previously include a present-value analysis. The previous model did. The recreational benefit percentage was increased after the new model was adjusted to account for the current value.

Munt shared the following information on Aug. 31: The recreational benefit increased from 59.5 percent to 70.6%, which reduced the storm protection benefit by 40.1 percent and to 29.4%. As a result, Lee County’s cost share rose from 24.35 precent to 30.28 percent, about $3.46 million to $4.3 million.

He said that the adjustment had been submitted to the county but has not been signed off.

The county also contributed $1 million more to the project.

“So Lee County’s contribution is now roughly $5.3 million,”Munt.

He said that the estimated cost of a project with a 750,000-square-yard area will be just under $18 million. Once the county’s cost share is deducted, along with the Florida Department of Environmental Protect’s contribution, that leaves about $8.9 million to be paid for with assessments.

“And that’s before any reserves, or grant opportunities out there that could lower it,”Munt spoke of the balance to be assessed to island property owners.

The project plans, design specifications, cost estimates and tentative cost apportionments are on file and available for public review at the CEPD’s office, at 11513 Andy Rosse Lane, Unit 4, Captiva.

Call 239-472-2472 to get more information or for questions.

CEPD
This week, filling for the beach renourishment program began with dredging.

CEPD
This week saw the beginning of filling in for the beach renourishment program.

CEPD
Current estimates for the dredging of the beach and filling the holes for the project.

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