Mount Sinai Jetty project to start construction early September

Mount Sinai Jetty project to start construction early September

The Mount Sinai Jetty will see reconstruction early September. Photo by Kyle Barr

After a decade delay and wringing of hands, the Mount Sinai Jetty project is going to start construction within a week as the end of summer closes in.

The ramp up East Beach in Port Jefferson is splashed with waves at high tide. Photo from Margot Garant

Ed Morris, the Brookhaven Town Parks & Recreation  commissioner, said construction is ready to start the project within the week. The contractor Bay Shore-based H&L Contracting is already in the process of gathering supplies. Materials will be stored at the Cedar West Beach Parking lot, which is down the road of the main town beach parking lot. 

“H&L will be starting up a staging area sometime in the next few days — [and will] be mobilizing everything,” he said.

H&L’s $7.4 million contract to rebuild the east and west jetties, which has been crumbled mess for close to a decade. The jetties rocks collapsed and submerged at the seaward ends during  high tide, and lower than 4 feet in some places. Holes in the jetty have also caused erosion to surrounding bluffs and beachfronts. The western jetty has been of particular concern to neighboring Port Jefferson village and its beaches.

Matt Miner, Brookhaven Town chief of operations, said an outside engineering firm did an underwater review of the jetties, which confirmed that sand is slipping through it. The rocks that will be placed in the jetties will match the size as the ones currently used and will restore the structure’s integrity.

In addition, Melville-based surveying and engineering firm Nelson & Pope is being paid $86,000 for full-time construction inspection services. 

The project is expected to be completed by the end of the year, with a finalization hopefully by spring, Morris said. Construction will be done on opposite sides of the inlet, which the commissioner noted, to allow boats through in both the on and off season.

The jetties are expected to increase in height and become slightly wider. The west jetty will extend slightly further south than the east jetty.

One element of the project that is still to be determined is the outcome of the sand sitting at the bottom of the inlet. Suffolk County has promised to dredge the sand from its bottom once the jetty project is concluded. Port Jefferson Village officials have been chomping at the bit looking to get sand back to repair its rapidly diminishing East Beach. Morris could not confirm where the sand would end up.

“Ideally, sand would be going on both sides of the jetty,” he said.

In the meantime, Port Jefferson officials have plans to piggyback the town’s contracts to aid their own beach restoration efforts.

Mayor Margot Garant said the village will be entering into contract with H&L to drop off materials at East Beach and to use the village’s East Beach parking as a staging area. She said it was still unclear how much of the parking lot they would be using. With the massive amount of rocks the company will be hauling, it could mean several trucks traveling down the steep driveway on a consistent basis. 

“I don’t know to what degree they’re going to be using the east end parking lot as a staging area for some heavy equipment, maybe not at all, but it’s mostly for access,” Garant said. 

As of Sept. 3, the village attorney was set to go over the details with the contractor.

Port Jefferson has plans of its own to revitalize its easternmost beachfront. The contract with H&L allowing them use of the beach will give them stone for use in rebuilding its cracked concrete access ramp. Plans are for a steel wall to cut back 200 feet tied into the hill along the country club property. The mayor said they originally looked at 356 linear feet to run along the tennis courts area, but New York State Department of Environmental Conservation restricted them to the 200.

However, the mayor said the state has promised to allow them to create a rock revetment wall around that tennis courts area to help offset erosion.

The village is still waiting on its permits from the DEC before going out to bid on those projects.

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