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Strategic Restoration Conceptual Engineering — Final Design Report

Strategic Restoration Conceptual Engineering — Final Design Report
Revised 2012

[PDF, 107 MB]

This report presents engineering design concepts for a suite of 36 potential nearshore restoration actions identified collaboratively by PSNERP and the larger Puget Sound restoration community of lead entities, tribes, conservation groups, local governments and others. PSNERP will use this conceptual design information to assess the costs and benefits of each restoration action. Feasible, cost-effective, community supported actions with high ecological benefits will be advanced for implementation, contributing to objectives established by the Puget Sound Partnership to recover the health of Puget Sound.

While broadly advancing nearshore restoration, these conceptual designs will also allow the U.S. Army Corps of Engineers (Corps) to identify sites which best fit the requirements of their restoration programs and authorities. The ecological benefits of restoration will be calculated in terms of change in ecosystem outputs. The Corps will use this information to select a portfolio of restoration actions that meet federal cost-effectiveness criteria. The selected actions will be evaluated further to verify their suitability to be authorized for implementation by the Corps.

All of the restoration actions described in this conceptual engineering design report have the potential to provide important ecological benefits regardless of whether they are deemed appropriate for federal authorization. Some of the actions may be more suitable for implementation at the local level through non-federal programs or partnerships. Report authors and PSNERP team members anticipate that the design information provided by the report will support not only potential implementation of projects through Corps authorities, but also implementation through other federal and non-federal programs, authorities, and funding sources.

Document by Chapters
Introduction Full Chapter [1.7 MB] | Summary Sheet [2.2 MB]
1. Beaconsfield Feeder Bluff Restoration Full Chapter [3 MB] | Summary Sheet [494 KB]
2. Big Beef Causeway Replacement and Estuary Restoration Full Chapter [5 MB] | Summary Sheet [4 MB]
3. Big Quilcene River Restoration Full Chapter [4 MB] | Summary Sheet [3 MB]
4. Chambers Bay Estuarine and Riparian Enhancement Full Chapter [4 MB] | Summary Sheet [4 MB]
5. Chuckanut Estuary Restoration Full Chapter [5 MB] | Summary Sheet [2.4 MB]
6. Deepwater Slough Phase 2 Full Chapter [3 MB] | Summary Sheet [636 KB]
7. Deer Harbor Estuary Restoration Full Chapter [4 MB] | Summary Sheet [974 KB]
8. Deschutes River Estuary Restoration Full Chapter [6 MB] | Summary Sheet [605 KB]
9. Duckabush Causeway Replacement and Estuary Restoration Full Chapter [3 MB] | Summary Sheet [516 KB]
10. Dugualla Bay Restoration Full Chapter [4 MB] | Summary Sheet [880 KB]
11. Everett Marshland Tidal Wetland Restoration Full Chapter [5 MB] | Summary Sheet [766 KB]
12. Everett Riverfront Wetland Complexes Full Chapter [4 MB] | Summary Sheet [5 MB]
13. Hamma Hamma Causeway Replacement and Estuary Restoration Full Chapter [5 MB] | Summary Sheet [3 MB]
14. Harper Estuary Restoration Design and Construction Full Chapter [3 MB] | Summary Sheet [599 KB]
15. John's Creek Estuary Restoration Project Full Chapter [5 MB] | Summary Sheet [4 MB]
16. Kilisut Harbor/Oak Bay Reconnection Full Chapter [3 MB] | Summary Sheet [3 MB]
17. Lilliwaup Causeway Replacement and Estuary Restoration Full Chapter [5 MB] | Summary Sheet [3 MB]
18. Livingston Bay - Diked Farmland and Nearshore Habitat Full Chapter [3 MB] | Summary Sheet [648 KB]
19. McGlinn Island Causeway Full Chapter [3 MB] | Summary Sheet [2 MB]
20. Milltown Island Full Chapter [3 MB] | Summary Sheet [1.2 MB]
21. Mission Creek Estuary Reconnection Full Chapter [3 MB] | Summary Sheet [2 MB]
22. Nearshore Restoration Strategy for Twin Rivers Full Chapter [2 MB] | Summary Sheet [5 MB]
23. Nooksack River Delta Full Chapter [5 MB] | Summary Sheet [837 KB]
24. North Fork Levee Setback Full Chapter [2 MB] | Summary Sheet [592 KB]
25. Point Whitney Full Chapter [3 MB] | Summary Sheet [601 KB]
26. Quilceda Estuary Restoration Full Chapter [2 MB] | Summary Sheet [3 MB]
27. Sequalitchew Creek Culvert Full Chapter [3 MB] | Summary Sheet [3 MB]
28. Smith Island Estuary Restoration Full Chapter [4 MB] | Summary Sheet [3 MB]
29. Snohomish Estuary Mainstem Connectivity Projects Full Chapter [4 MB] | Summary Sheet [2 MB]
30. Snow Creek and Salmon Creek Estuary Restoration Full Chapter [4 MB] | Summary Sheet [618 KB]
31. Spencer Island Restoration Full Chapter [3 MB] | Summary Sheet [592 KB]
32. Tahuya Causeway Replacement and Estuary Restoration Full Chapter [4 MB] | Summary Sheet [555 KB]
33. Telegraph Slough Phase 1 and 2 Full Chapter [5 MB] | Summary Sheet [462 KB]
34. Twanoh State Park Beach Restoration Full Chapter [3 MB] | Summary Sheet [4 MB]
35. Washington Harbor Tidal Hydrology Restoration Project Full Chapter [4 MB] | Summary Sheet [2 MB]
36. WDNR Marine Lab Bulkhead Softening Full Chapter [3 MB] | Summary Sheet [779 KB]
Appendix A: Action Characterization Report Results Full Chapter [1 MB]    
Appendix B: Guidelines for Estimating Quantities Full Chapter [330 KB]    
Appendix C: Applied Geomorphology Guidelines and Hierarchy of Openings Full Chapter [1.5 MB]    
Appendix D: Field Maps Full Chapter [8 MB]    
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