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“The views, opinions and findings contained in this report are
those of the authors(s) and should not be construed as an
official Department of the Army position, policy or decision,
unless so designated by other official documentation.”
HUDSON RARITAN ESTUARY ECOSYSTEM
RESTORATION – JAMAICA BAY UPDATE
JAMAICA BAY TASK FORCE MEETING
LISA BARON
PROJECT MANAGER, CIVIL WORKS
NEW YORK DISTRICT
JUNE 18, 2024
1
File Name
File Name
2
Agenda
Spring Creek North
Spring Creek South
HRE- Fresh Creek
HRE- Duck Point
HRE- Stony Creek
3
STONY CREEK MARSH ISLAND
Field Investigations Completed:
 ERDC Hydrodynamic Data Collection
 Instrument Deployment: 27 May - 2 June 2023
 Instrument Service/Interim Data Download: 6-9 November 2023
 Instrument Retrieval: May 2024
 Data to be used to validate a system-wide hydrodynamic numeric model developed
to evaluate sediment flux, stabilization techniques and restoration alternatives for the
marsh islands.
Green – Wave/Current Profiler
Blue – Wave Sensors
Magenta – Water Level Loggers
Red Lines – Roving Current Survey
Surficial Sediment Grabs (not shown)
Atmospheric Sensor (not shown)
4
STONY CREEK MARSH ISLAND
ERDC is utilizing field data to calibrate the
hydrodynamic model and will evaluate the design to
interrogate shoreline stabilization approaches. Report
expected in July. + Boat Wake Analysis
Hydrodynamic Modeling
5
STONY CREEK MARSH ISLAND
Field Investigations Completed:
• Bathymetric Surveys: 16 June – 2 July and December 2023
• Biological Surveys: Wetland Delineation, Bio-benchmark Surveys
and Vegetative Mapping: 23 October – 3 November 2023
• Topographic Surveys using drones: 26 February 2024
Aerial Coverage of Spartina Alterniflora
Vegetation Communities
6
STONY CREEK MARSH ISLAND
Future Geotechnical Sampling
Pending SUP for summer/fall 2024
Standard Penetration Testing (SPT)
7
STONY CREEK MARSH ISLAND
Design Progression
• Habitat acreage reduced and sand
volume increased due to greater
offshore depths measured from higher
resolution bathymetric and topographic
surveys.
• Healthy contiguous vegetation/existing
marsh will be preserved. A thin layer
placement technique would be used in
these areas.
Feasibility 30% <60%
<60%
30%
Feasibility
Habitat
4.3
10.79
8.67
Shallows (AC)
1
3.2
1.43
Tidal Channel (AC)
16
17.7
26
Low Marsh (AC)
22
13.3
22.5
High Marsh (AC)
3
3.2
3.4
Scrub/Shrub (AC)
46.3
48.1
62
Total Area (AC)
375,000
441,300
151,000
Sediment Volume (CY)
8
STONY CREEK MARSH ISLAND
Living Shoreline Options
Christmas Tree
Fascines
Terraced Coir
Logs Quick Reef/
ECOncrete
Decisions on types and
placement will be informed
by hydrodynamic modeling
results.
9
STONY CREEK MARSH ISLAND
• Advancing to 60% Designs
• Meeting with Partners
• Complete Field Sampling:
Geotechnical Sampling
(Summer/fall)
• Conduct Hydrodynamic
Modeling
• Complete 60%, 90% and 100%
design progressions
• Execute Project Partnership
Agreement for Construction
• Construction coordinated with
Navigation Project (early 2026)
Next Steps
HRE – DUCK POINT MARSH ISLAND
 Authorized Plan: 47 acres of marsh
island habitat using 213,776 CYD
dredged material
 Design Agreement executed on 29 May
2024 with NYCDEP
 Data already collected for bathymetry
and hydrodynamics during Stony Creek
Investigation
 Task Order for non-invasive surveys is
under development.
 Develop Project Management Plan,
Schedule and budget
Total Project Cost: $31,772,000 (FY25)
PED Cost: $3,500,000 (FY24)
HRE – FRESH CREEK
 Design Agreement executed with NYCDEP
on 29 May 2024
 Total Habitat: ~80 acres
 Opportunity for beneficial use of dredged
material
 Hydrodynamic data collected in Jamaica
Bay will be helpful
 Next Steps: Develop Project Management
Plan, Schedule, Budget and initiate field
data collection
Total Project Cost: $52,275,000 (FY25)
PED Cost: $5,000,000 (FY24)
Spring Creek North Ecosystem Restoration
(Continuing Authorities Program)
• Restoration of 43.2-acres including:
 18.8 acres of wetlands
 24.4 acres of maritime uplands
• Restoration through excavating and
recontouring uplands to intertidal
elevations, removing invasives species
and replanting; as well as restoring
existing degraded wetlands with Thin
Layer Placement techniques
• NYSDEC Tidal Wetlands and Water
Quality Certification 6 Dec 2023
• 100% Plans and Specifications
approved 28 March 2024
• NYCDEP Stormwater Pollution
Prevention Permit – pending
• Special Use Permit for pump-out barge
for Thin Layer Placement- pending
• Ready to Advertise Milestone: 28 June
2024 and Construction scheduled for
Fall 2024
13
HRE
Restoration
Sites in
Jamaica Bay
327 acres of habitat
restoration:
- 206 acres of
marsh islands
- 121 acres along
perimeter
~300,000 CYD
~50 acres
41 acres
80 acres
215,000 CYD
40 acres
285,000 CYD
29 acres
328,000 CYD
24 acres
352,000 CYD
29 acres
10 acres
2024
2024
2022
2027
2034
2032
2036
2029
14
Questions?

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Baron - Jamaica Bay Task Force Meeting 18June24.pdf

  • 1. 217 217 217 200 200 200 255 255 255 0 0 0 163 163 163 131 132 122 239 65 53 110 135 120 112 92 56 62 102 130 102 56 48 130 120 111 237 237 237 80 119 27 252 174 .59 “The views, opinions and findings contained in this report are those of the authors(s) and should not be construed as an official Department of the Army position, policy or decision, unless so designated by other official documentation.” HUDSON RARITAN ESTUARY ECOSYSTEM RESTORATION – JAMAICA BAY UPDATE JAMAICA BAY TASK FORCE MEETING LISA BARON PROJECT MANAGER, CIVIL WORKS NEW YORK DISTRICT JUNE 18, 2024 1 File Name
  • 2. File Name 2 Agenda Spring Creek North Spring Creek South HRE- Fresh Creek HRE- Duck Point HRE- Stony Creek
  • 3. 3 STONY CREEK MARSH ISLAND Field Investigations Completed:  ERDC Hydrodynamic Data Collection  Instrument Deployment: 27 May - 2 June 2023  Instrument Service/Interim Data Download: 6-9 November 2023  Instrument Retrieval: May 2024  Data to be used to validate a system-wide hydrodynamic numeric model developed to evaluate sediment flux, stabilization techniques and restoration alternatives for the marsh islands. Green – Wave/Current Profiler Blue – Wave Sensors Magenta – Water Level Loggers Red Lines – Roving Current Survey Surficial Sediment Grabs (not shown) Atmospheric Sensor (not shown)
  • 4. 4 STONY CREEK MARSH ISLAND ERDC is utilizing field data to calibrate the hydrodynamic model and will evaluate the design to interrogate shoreline stabilization approaches. Report expected in July. + Boat Wake Analysis Hydrodynamic Modeling
  • 5. 5 STONY CREEK MARSH ISLAND Field Investigations Completed: • Bathymetric Surveys: 16 June – 2 July and December 2023 • Biological Surveys: Wetland Delineation, Bio-benchmark Surveys and Vegetative Mapping: 23 October – 3 November 2023 • Topographic Surveys using drones: 26 February 2024 Aerial Coverage of Spartina Alterniflora Vegetation Communities
  • 6. 6 STONY CREEK MARSH ISLAND Future Geotechnical Sampling Pending SUP for summer/fall 2024 Standard Penetration Testing (SPT)
  • 7. 7 STONY CREEK MARSH ISLAND Design Progression • Habitat acreage reduced and sand volume increased due to greater offshore depths measured from higher resolution bathymetric and topographic surveys. • Healthy contiguous vegetation/existing marsh will be preserved. A thin layer placement technique would be used in these areas. Feasibility 30% <60% <60% 30% Feasibility Habitat 4.3 10.79 8.67 Shallows (AC) 1 3.2 1.43 Tidal Channel (AC) 16 17.7 26 Low Marsh (AC) 22 13.3 22.5 High Marsh (AC) 3 3.2 3.4 Scrub/Shrub (AC) 46.3 48.1 62 Total Area (AC) 375,000 441,300 151,000 Sediment Volume (CY)
  • 8. 8 STONY CREEK MARSH ISLAND Living Shoreline Options Christmas Tree Fascines Terraced Coir Logs Quick Reef/ ECOncrete Decisions on types and placement will be informed by hydrodynamic modeling results.
  • 9. 9 STONY CREEK MARSH ISLAND • Advancing to 60% Designs • Meeting with Partners • Complete Field Sampling: Geotechnical Sampling (Summer/fall) • Conduct Hydrodynamic Modeling • Complete 60%, 90% and 100% design progressions • Execute Project Partnership Agreement for Construction • Construction coordinated with Navigation Project (early 2026) Next Steps
  • 10. HRE – DUCK POINT MARSH ISLAND  Authorized Plan: 47 acres of marsh island habitat using 213,776 CYD dredged material  Design Agreement executed on 29 May 2024 with NYCDEP  Data already collected for bathymetry and hydrodynamics during Stony Creek Investigation  Task Order for non-invasive surveys is under development.  Develop Project Management Plan, Schedule and budget Total Project Cost: $31,772,000 (FY25) PED Cost: $3,500,000 (FY24)
  • 11. HRE – FRESH CREEK  Design Agreement executed with NYCDEP on 29 May 2024  Total Habitat: ~80 acres  Opportunity for beneficial use of dredged material  Hydrodynamic data collected in Jamaica Bay will be helpful  Next Steps: Develop Project Management Plan, Schedule, Budget and initiate field data collection Total Project Cost: $52,275,000 (FY25) PED Cost: $5,000,000 (FY24)
  • 12. Spring Creek North Ecosystem Restoration (Continuing Authorities Program) • Restoration of 43.2-acres including:  18.8 acres of wetlands  24.4 acres of maritime uplands • Restoration through excavating and recontouring uplands to intertidal elevations, removing invasives species and replanting; as well as restoring existing degraded wetlands with Thin Layer Placement techniques • NYSDEC Tidal Wetlands and Water Quality Certification 6 Dec 2023 • 100% Plans and Specifications approved 28 March 2024 • NYCDEP Stormwater Pollution Prevention Permit – pending • Special Use Permit for pump-out barge for Thin Layer Placement- pending • Ready to Advertise Milestone: 28 June 2024 and Construction scheduled for Fall 2024
  • 13. 13 HRE Restoration Sites in Jamaica Bay 327 acres of habitat restoration: - 206 acres of marsh islands - 121 acres along perimeter ~300,000 CYD ~50 acres 41 acres 80 acres 215,000 CYD 40 acres 285,000 CYD 29 acres 328,000 CYD 24 acres 352,000 CYD 29 acres 10 acres 2024 2024 2022 2027 2034 2032 2036 2029