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Ocean City, N.J., plans more geotextile tubes to protect beaches

Case Studies | February 17, 2021 | By:

By Maddy Vitale

In a continuing effort to protect Ocean City’s beaches from coastal storms that chip away at the coastline, the New Jersey city is moving forward with plans to install another barrier in the areas most vulnerable to erosion.

Geotextile tubes are gigantic sock-like cylinders made of plastic fabric and stuffed with sand. They are topped with dune grass after they are buried.

They have proved to keep back the ocean waters in areas of the north end of Ocean City, specifically Waverly Beach along East Atlantic Boulevard.

Michael Allegretto, aide to Ocean City Mayor Jay Gillian, said Wednesday that the city hopes to begin the project to install the new geotextile tubes this year.

“The city is definitely moving forward with the geotube project,” Allegretto said. “We are hopeful to have them installed in the fall of 2021 in the area of Fourth to Sixth Streets.”

He noted that the area is one of the most vulnerable to beach erosion. City officials have explained that it is because of the shape of the island.

Specifically, a new geotextile tube to be installed in the area of Fourth Street stretching to Fifth and Sixth Streets, would be about 962 feet long, covered in sand and planted with dune grass. Over time, officials said, the geotextile tubes can resemble dunes as they are buried in the sand.

ACT Engineers, the city’s flooding consultant, recently helped the city secure state permits for the geotextile tubes. However, the city still needs federal permitting from the U.S. Army Corps of Engineers to build the project.

“Our prior experience with the geotubes in the north end is that they are helpful with large storms and beach erosion,” Allegretto said. “They stop the tidal surge and help protect the rest of the town.”

A bond ordinance approved in 2019 by the Ocean City Council designated $1 million in funding for the project.

Mayor Gillian has spoken about how well the geotextile tubes work in lessening erosion and protecting the dunes, the beaches and properties.

He credited the geotextile tubes with saving homes in the north end in the area of Waverly Beach and East Atlantic Boulevard during Hurricane Sandy in 2012.

A project to protect Ocean City’s vulnerable beaches will be underway this year with the installation of geotextile tubes.

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