Great Lakes Completes Gilgo Feeder Beach Emergency Restoration Project

Posted on April 22, 2019

Great Lakes Dredge and Dock completed the emergency restoration of the Atlantic Ocean’s Gilgo Feeder Beach in the Town of Babylon, Long Island. The project restored coastal storm risk reduction measures that reduce the risk of barrier island breaches and protect critical infrastructure. The work, led by the U.S. Army Corps of Engineers Jacksonville District, restored the beach that protects the undermining of Ocean Parkway—a critical transportation corridor that serves as an evacuation route during coastal emergencies for the residents of the surrounding communities.

“This project exemplifies synergy. We were not only able to provide coastal storm risk reduction benefits but we were able to beneficially reuse 1.8 million cubic yards of dredged sand from the inlet and navigation channel, that restores safe navigation for the U.S. Coast Guard, recreational vessels, and residents of these communities, and create additional habitats that can be used by endangered bird species for feeding and nesting,” said Col. Thomas Asbery, commander, New York District.

The contracted work involved dredging approximately 1,800,000 cubic yards of accumulated sand from Fire Island Inlet, including its navigation channel. The dredged sand was pumped 2.5 miles to the west of the inlet in order to restore the 3.5-mile long Gilgo Feeder Beach, which had incurred serious erosion due to last winter’s four nor’easters. Sand naturally moves within the coastal systems along the Atlantic Ocean shoreline on Long Island from east to west, from Montauk Point west to Coney Island and Norton Point.

The Gilgo Feeder Beach shoreline on the Atlantic Ocean is a naturally eroding area. The sand lost from Gilgo Feeder Beach moves westward to nourish the westerly beaches to Jones Inlet. As a feeder beach, its shoreline requires periodic sand replenishment using sand trapped in Fire Island Inlet. Pursuant to Public Law 84-99, the emergency restoration work was requested by the State of New York Department of Environmental Conservation.


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