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Army Corps of Engineers updates on future Jamaica Bay Projects

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An update from ACOE Chief of Planning Peter Webbler on future wetland restoration projects in Jamaica Bay NYC

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Army Corps of Engineers updates on future Jamaica Bay Projects

  1. 1. U.S. ARMY CORPS OF ENGINEERS UPDATES IN JAMAICA BAY JAMAICA BAY TASK FORCE MEETING Peter Weppler Chief, Environmental Analysis Branch New York District/Planning Division November 13, 2019 Jamaica Bay, facing South from Brooklyn towards the Bay, Rockaway Peninsula, and Atlantic Ocean. Source: Boating Times Long Island, Photo by Jim Mobel Atlantic Shorefront
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  3. 3. Hudson Raritan Estuary Ecosystem Restoration Recommended Plan Feasibility Sites 1. Fresh Creek 2. Hawtree Point 3. Dubos Point 4. Brant Point 5. Bayswater State Park 6. Dead Horse Bay 7. Elders Center Marsh Island 8. Duck Point Marsh Island 9. Pumpkin Patch- East Marsh Island 10. Pumpkin Patch- West Marsh Island 11. Stony Point Marsh Island 12. Flushing Creek 13. Stone Mill Dam 14. Bronx Zoo and Dam 15. Shoelace Park 16. Muskrat Cove 17. River Park/West Farm Rapids Park 18. Bronxville Lake 19. Crestwood Lake 20. Garth Woods/Harney Road 21. Westchester County Center 22. Meadowlark Tract 23. Metromedia Marsh 24. Essex County Branch Brook Park 25. Dundee Island Park 26. Clifton Dundee Canal Green Acres 27. Oak Island Yards 28. Kearny Point Oyster Restoration: 29. Jamaica Bay – Head of Bay 30. Soundview Park 31. Bush Terminal 32. Governor’s Island 33. Naval Weapons Station Earle 3
  4. 4. Planning Region Wetland Habitat (ac) Oyster Habitat (ac) Fish Passage (miles opened) Coastal/ Maritime Forest (ac) Bed Restoration (ac) Other a Habitat (ac) DRAFT First Level Cost b (2018$) Jamaica Bay 190 10 0 11 46 15 $234.5M Bronx River and Flushing Creek 19 0 23 4 4 25 $62.0M Hackensack River and Passaic River 134 0 0 6 17 34 $142.0M Upper Bay 0 30 0 0 0 $9.1M Lower Bay 0 10 0 0 0 $3.5M Grand Total 313 50 23 21 67 74 $451.1M TOTAL HABITAT: 525 Acres Restored a Other Habitat includes Scrub/Shrub, upland, invasives removal/native planting b Draft First Level Cost as of September 2018. Fully funded costs under development. RECOMMENDED PLAN HABITAT AND COSTS 4 4
  5. 5. 5 As of September 2018
  6. 6. 6 MILESTONES DATES Agency Decision Milestone 5 September 2018 Final Report Submittal and Draft Chief’s Report Early 2020 Signed Chief’s Report Summer 2020 ✓ HRE PATH AHEAD - SCHEDULE
  7. 7. SPRING CREEK NORTH ECOSYSTEM RESTORATION Continuing Authorities Program Section 1135 • 47 Acre portion of Spring Creek Park • Design and Implementation Phase Ongoing • Wetland Delineation • Bio-benchmarking • Installed Tide Gauges • Topography • Total Project: $12,031,000 7
  8. 8. EAST ROCKAWAY INLET TO ROCKAWAY INLET REFORMULATION STUDY 8 Features • Reinforced dune and beachfill with structure crest of +17 ft NAVD88 for 35,000 LF from Beach 9th Street to Beach 149th Street, and include sand tapers at the ends of the project. • Shorefront 0.067% flood (optimized) • 5 groin extensions, 1 optional groin rehabilitation • 13 new groins • System of connecting floodwalls, bulkheads, berms, and revetments with nature-based features to cost effectively reduce risk in frequently flooded areas. These are called high frequency flooding risk reduction features and are sited in the Jamaica Bay reach. Designed for 10% flood. • Project First Cost (Oct 2019 price level) $590,750,000 • BCR 2.3 • Chief’s Report signed 22 Aug 2019
  9. 9. RECOMMENDED PLAN – ATLANTIC SHOREFRONT 9 Buried Composite Seawall / Vegetated Dune Beach Profile Initial beachfill: 1,596,000 cubic yards Renourishment (4 year cycle): 1,111,000 cubic yards Groins reduce lifecyle cost (less renourishment)
  10. 10. RECOMMENDED PLAN –HIGH FREQUENCY FLOODING RISK REDUCTION FEATURES 10 Jamaica Bay Reach • Two high frequency flooding risk reduction features are included in the Recommended Plan. • Mid-Rockaway is the largest and includes three adjacent neighborhoods (shown above). • Cedarhurst-Lawrence HFFRRF (pictured bottom right) is in Nassau County. • HFFRRFs are designed to manage flood risk up to the current 10% AEP (10-year) flood • Mid-Rockaway HFFRRF includes five areas with natural and nature-based features (NNBFs) Cedarhurst-Lawrence Mid-Rockaway
  11. 11. Actions Achieving the Vision of a World Class Harbor Estuary NY/NJ Harbor and Tributaries Study Rockaways Port Monmouth/Union Beach Emergency Operations Passaic River Tidal South Shore of Staten Island Minish Park Rahway Tidal • Spring Creek Old Place Creek Jamaica Bay Islands Environmental Remediation (EPA) Restoration Program: Hudson Raritan Estuary Hudson River Liberty State Park (NJDEP) Harbor Deepening (50-ft) and O&M Dredging Drift/Floatables Removal Beneficial use of Dredged Material Harbor Operations NY/NJ Harbor Deepening Channel Improvement Study Anchorage Study 11

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