Hiram Arden Operations Division, Navigation Section Seattle District November 2009

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US Army Corps of Engineers BUILDING STRONG ® Toke Point Marina Pipeline Maintenance Dredging with Flowlane Disposal at Willapa Harbor, Washington Hiram Arden Operations Division, Navigation Section Seattle District November 2009

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Toke Point Marina Pipeline Maintenance Dredging with Flowlane Disposal at Willapa Harbor, Washington. Hiram Arden Operations Division, Navigation Section Seattle District November 2009. NAVIGATION PROGRAM. Channel & Harbors - 23 active - PowerPoint PPT Presentation

Transcript of Hiram Arden Operations Division, Navigation Section Seattle District November 2009

Page 1: Hiram Arden Operations Division, Navigation Section Seattle District November 2009

US Army Corps of Engineers

BUILDING STRONG®

Toke Point Marina Pipeline Maintenance Dredging with Flowlane Disposal at Willapa Harbor, Washington

Hiram Arden

Operations Division, Navigation Section

Seattle District

November 2009

Page 2: Hiram Arden Operations Division, Navigation Section Seattle District November 2009

BUILDING STRONG®

WillapaHarbor

GraysHarbor

QuillayuteRiver

Neah Bay

Port AngelesHarbor Keystone

Olympia

Tacoma

Seattle

Everett

SwinomishChannel

Blaine

Bellingham

Anacortes

Lake WashingtonShip Canal

Columbia R.

Paci

fic

Oce

anVancouverI sland, B.C.

British Columbia

WA

OR

Strait of J uan de Fuca

Puge

t S

ound

Friday Harbor

Seattle DistrictNavigation Projects

µ

0 25 50 75 10012.5Miles

Page 3: Hiram Arden Operations Division, Navigation Section Seattle District November 2009

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NAVIGATION PROGRAMChannel & Harbors - 23 active

8 high use harbors (over 1 million tons commercial cargo)

15 low use harbors 15 deep draft channels (14

ft+ depth) Toke Point Marina

7 shallow draft channels

2 without channel maintenance (breakwater & revetment)

Conduct hydrographic surveys

Navigation hazard removal.

Page 4: Hiram Arden Operations Division, Navigation Section Seattle District November 2009

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Willapa Harbor Navigation Project Features: Ocean bar channel Deep draft river

channel to Raymond Toke Point Marina Bay Center Channel

& Marina Nahcotta Marina

Toke Pt.

Page 5: Hiram Arden Operations Division, Navigation Section Seattle District November 2009

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TOKE POINT AT WILLAPA BAY , WASHINGTON

Photo Courtesy Port of Willapa Harbor Photo by Merrill Photography

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BUILDING STRONG®Aerial view of Toke Point Marina & Entrance

Page 7: Hiram Arden Operations Division, Navigation Section Seattle District November 2009

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2006 Pacific / Wahkiakum Southwest Washington Port Cooperative:

Port of Willapa Harbor Port of Chinook Port of Peninsula Port of Ilwaco Port of Wahkiakum #1 Port of Wahkiakum #2

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Chronology of Toke Point federal entrance dredging

1958 New Const. 184,000 cy Pipeline w/upland disposal 1964 O&M 12,000 cy Pipeline w/ upland disposal 1970 O&M 16,500 cy Pipeline w/upland disposal 1974 O&M 14,000 cy Pipeline w/upland disposal

1987 O&M 27,800 cy Clamshell w/openwater disposal 1991 O&M 27,100 cy Clamshell w/openwater disposal 1998 O&M 27,650 cy Clamshell w/openwater disposal

2009 O&M 20,000 cy Pipeline with flowlane & beneficial

use disposal (Underway & funded by Port of Willapa Harbor)

2012 O&M 15,000 cy 2015 O&M 15,000 cy 2019 O&M 15,000 cy

Page 9: Hiram Arden Operations Division, Navigation Section Seattle District November 2009

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Corps & Port Partnership Effort

Corps & Port conduct joint sediment sampling & analysis that confirms sediments suitable for unconfined disposal or beneficial use.

Corps & Port coordinate required permit approvals to conduct O&M dredging for whoever gets funds first?

Stakeholder collaboration nets proposal for pipeline dredging with flowlane & beneficial use disposal.

Corps & Port Strategy “Get Dredge Ready”

Page 10: Hiram Arden Operations Division, Navigation Section Seattle District November 2009

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Corps Federal Entrance PublicNotice #CENWS-OD-TS-NS-28

Port of Willapa Harbor Individual Permit Application Public Notice No. NWS-2008-164-SO

JOINT PORT/ CORPS PUBLIC NOTICE

August 11, 2008

Page 11: Hiram Arden Operations Division, Navigation Section Seattle District November 2009

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Federal Entrance100 ft wide, 700 ft longto -17 ft depth @ mllw

Port Moorage area depths vary from -13 ft to -19ft depths @ mllw.

August 11, 2008

JOINT PORT / CORPS PUBLIC NOTICE

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Port of Willapa Harbor / Corps JARPA Application

August 11, 2008

Flowlane disposal of silty materials in “deep hole “,thalweg.

Beneficial use placement of sandy entrance materialsfor beach nourishment onPort property.

Page 13: Hiram Arden Operations Division, Navigation Section Seattle District November 2009

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Commercial Fishing Vessel Moored at Toke Point

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Commercial fishing vessel moored at Toke Point

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Ellicott Dredges Model 370 Cutterhead 10-inch pipeline dredge delivered to Port of Willapa dock in Raymond, WA September 2009

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Port of Willapa Harbor’ dredge at work

Dredge Window 1 October - 31 March

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Float marking 12-inch HDPE Discharge Line

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Commercial Fishing Vessel Moored at Toke Point Dredge discharge diffuser float for flowlane disposal

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Tokeland Dredging Celebration October 16, 2009

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Commercial Fishing Vessel Moored at Toke Point Flowlane Disposal ‘‘Deep Hole” bathymetric survey 28 Oct 2009

Page 21: Hiram Arden Operations Division, Navigation Section Seattle District November 2009

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Questions?