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Living Breakwaters Construction Updates

Living Breakwaters Construction Updates

Living Breakwaters Construction Update - April 2022

APRIL 2022 UPDATE

​As of April, the Contractor for Living Breakwaters continues to place stones and ecologically-enhanced concrete units (i.e. “ECOncrete units”) for Breakwater ‘A’, which can now be observed emerging from the water during low tide. All of the toe armor stones for Breakwater ‘A’ have been placed; a few lower sections of these can be observed along the breakwater’s crest. These units are ‘crenulated,’ meaning they have an irregularly wavy profile that encourages marine habitat. (More information regarding these features can be found below.) Due to adverse weather and equipment maintenance needs, the project is now on-track to complete Breakwater ‘A’ at some point from July to August. The Contractor will then advance to placing stone at Breakwater ‘B’.

Over half of all the pre-cast ECOncrete units incorporated into the 8 breakwaters were fabricated at Jersey Precast (in Trenton, NJ); stored at North American Aggregates yard (in Perth Amboy, NJ); transloaded to barges, brought to the construction site, and placed in their final location on the breakwaters by the equilibrium crane—or “E-crane”—and amphibious excavator. Work at the Port of Coeymans (in Ravena, NY) and Carver Quarry (in Johnstown, NY) is resuming post-winter operations.

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How do the breakwaters A and B enhance ecology?

Unlike many coastal infrastructure projects, Living Breakwaters incorporates features that are designed to facilitate diverse aquatic habitat for a variety of marine species—providing valuable ecosystem services to the surrounding waters of Raritan Bay while reducing climate risks for on-shore Staten Island residents.

On Breakwaters A and B, “crest crenulations” will help facilitate habitat space for marine life. The crests of these breakwaters contain a series of low saddles (“crenulations”) located a foot below mean high water. The rest of the crests are about 3 feet above mean high water. These crenulations create intertidal habitat (between high and low tide) where species that thrive in shifting tidal conditions can exist. They also include artificial tide pool units made of ecologically-enhanced concrete—these units retain water between tides, providing additional space for more micro-scale marine life.

We are already observing active habitat conditions around Breakwater A—which is already hosting star tunicates and sponges on its marine mattresses; small barnacles forming on armor stones; broken clam shells around the breakwater (which indicate sea gulls dropping live clams on the rocks to open their shells); and our favorite friendly harbor seal, informally dubbed Stanley, who has been using the emergent area of Breakwater A as his haul-out area.

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Saturday, April 30, 2022

 

CONSTRUCTION SCHEDULE

Living Breakwaters construction timeline

 

The breakwaters will be constructed from the southwest to the northeast (see plan below) between the summer/fall of 2021 and the end of 2024. The shoreline restoration component will be constructed in the final season of construction (2024).

Project Timeline Details

Design

Start Date: Summer 2015
Completion Date: Fall 2019

Procurement

Start Date: Winter 2019
Completion Date: Winter 2020

Construction

Start Date: August 2021
Projected Completion Date: Fall 2024

Funding

Total Funding: $107,000,000

Sources

  • HUD Community Development Block Grant – Disaster Recovery $60,000,000
  • New York State - $47,000,000

Includes Funding for:

  • Design/Permitting/Planning
  • Construction and Administration
  • Social Resiliency Programming

 

NAVIGATION SAFETY FOR LOCAL MARINERS DURING CONSTRUCTION

Breakwater construction will generally proceed from the southwest, where the first breakwater will be installed, to the northeast. Partially constructed breakwaters may or may not be visible above water. Construction barges will be moored in the vicinity of the construction zone and will be marked with lights on four corners. Anchors will also be marked with lighted buoys. During work hours, divers will be present in the water. Mariners and recreational craft should avoid this area and keep their closest point of approach at least 0.5 nautical miles (3,308 feet) from buoys, lighted posts, and barges. Please refer to the Local Notice to Mariners for more information.

Living Breakwaters Project Area

QUESTIONS?

Visit the frequently asked questions page.
Still have questions? Email [email protected]
For press inquiries contact [email protected]

Project Staff

Project liaison: Scott Narod
Contact GOSR about this project.

Location

Tottenville, Staten Island
Shoreline between Brighton Street End and Page Avenue

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