US Army Corps of Engineers BUILDING STRONG ® Portland District - Navigation Update COL Steve Miles Commander Portland District PNWA Annual Meeting 13 October

US Army Corps of Engineers

BUILDING STRONG®

Portland District - Navigation Update

COL Steve Miles

Commander

Portland District

PNWA Annual Meeting

13 October 2009

BUILDING STRONG®PORTLAND DISTRICT 2

Topics

The Dalles D/S Gate Emergency Repairs

Columbia River Channel Improvements

MCR Jetty Major Rehab

MCR Buoy Installation

Long-Term Planning► Joint Portland / Walla Walla 5-Year Planning► Columbia River Long-Term Outage (Dec 2010)

• The Dalles • John Day


The Dalles Downstream Miter Gate - Emergency Repairs

What Happened:

Mar 07, 08, 09: Intermediate Repairs

Nov 07: Instrument Install

28 Sep 09: ► Operator Identifies Possible Problem► Instrumentation Review► Remote Vehicle Inspect► Project Stops Operation

29 Sep 09: ► Corporate Review► River Closed

30 Sep 09:

► Diver Inspection ► Dewatering ► Letter Contract to AAC

1 Oct 09:► Cleaning / Inspection / Repair Plan► Repairs Begin

12 Oct 09: Lock Re-Opens



The Problem:► Cracks in both miter

gate leaves.

► Gate vibrates upon un-mitering/opening.

► Gate has no adjustability.

► Lower 30’ not mitering.


The Fix:

► Interior girder pockets reinforced with boxes bolted in place.





The Fix:


► Web of lower girder doubled up and bolted into place.

► Replace and Re-tensioned all pintle bolts.

► Repaired 32 different areas where cracks existed by welding.

► End post to quoin block stiffeners reinforced with bolted plates.

► Additional Instrumentation



The Fix:


► Web of lower girder doubled up and bolted into place.

► Replace and Re-tensioned all pintle bolts.

► Repaired 32 different areas where cracks existed by welding.

► End post to quoin block stiffeners reinforced with bolted plates.

► Additional Instrumentation


• Additional Instrumentation



The Future:► Increased Monitoring

• Instrumentation• Periodic ROV / Dive Inspections

► Engineering Review of repair work needed during Long-Term Outage

► Dec 09 (tent.): Interim Inspection & Lock Closure (ICW Walla Walla)

► Mar 10: Annual Outage

► Mar 10 – Dec 10 (if needed): Interim Inspection / Lock Closure

► Dec 10 – Apr 11: Long-Term Outage


Topics









Project Completion: Project Completion: 31 Dec 1031 Dec 10

FY 10 Work:FY 10 Work:

► Completion of Dredging w/ Completion of Dredging w/ Dredge Oregon (Summer ’10)Dredge Oregon (Summer ’10)

► St. Helens:St. Helens:• Dredging Begins 13 Oct 09 Dredging Begins 13 Oct 09 • Blasting 1 Nov 09 – 28 Feb 10Blasting 1 Nov 09 – 28 Feb 10• Ross Island DisposalRoss Island Disposal

► Slaughter’s Bar:Slaughter’s Bar:• Dredging RM 66+00 to RM 67+05 Dredging RM 66+00 to RM 67+05 • Dibblee Point DisposalDibblee Point Disposal



http://www.youtube.com/watch?v=tMxyspJgGHk&feature=related


Topics









North Jetty 2.5 miles long 1914-1917

Washington

Pacific Ocean

Columbia River Estuary

Oregon

South Jetty 6 miles long 1885-1913

Jetty “A” 1 mile long 1938-39

View to NE



North Jetty 2.5 miles long 1914-1917

Washington

Pacific Ocean

Columbia River Estuary

Oregon

South Jetty 6 miles long 1885-1913

Jetty “A” 1 mile long 1938-39

View to NE

Final approval in March 2010 (For FY ’12 Budget Cycle)► Recommended Plan: Review - Agency Technical Review ► Model Code: Review - Planning Center of Expertise► Environmental Assessment: Public Review in November

The Recommended Plan:► Addresses North, South and Jetty “A” ► Include spur groins and capping

BUILDING STRONG®PORTLAND DISTRICT 17SOUTH JETTY MAJOR REHABILATION

Pacific

Ocean

Mouth of Columbia River

N

255

270

285

30033

0

345

18019

521022

5240

360

375

= spur groin

-40

-30

-20

-10

0

10

20

30

40

50

-260 -240 -220 -200 -180 -160 -140 -120 -100 -80 -60 -40 -20 0 20 40 60 80 100 120

Ocean Side Channel Side

Existing Core StoneRelic Armor Stone

Original Seabed

1v:2h

South North

1v:2h

SA1 stone: 25 to 0 ft MLLW = 35-60 ton (mean = 50 ton)SA2 Stone: 25 to -10 ft MLLW = 8-20 ton (mean = 14 ton)

SA3 Relic Stone: -10 to -20 ft MLLW = 5-15 ton (mean = 10 ton)Reworked Relic Armor Stone = 5-15 ton (mean = 10 ton)

Reworked Core Stone = 0.5 - 7 ton (mean = 4 ton)all stone has gamma=167 lb/ft3

= SA2 select armor units: 5 to -10 ft MLLW , stone = 18 - 30 ton (mean =24 ton)

=optional area to use concrete armor units - would preclude access along crest for future repair

315

-80-70-60-50-40-30-20-10

01020304050

-260 -240 -220 -200 -180 -160 -140 -120 -100 -80 -60 -40 -20 0 20 40 60 80 100 120 140 160 180 200

Ocean/Beach Side Channel Side

Relic Armor Stone

Original Seabed

1v:2.5h

1v:3h

South North

1v:3h

1v:2.5h

= SH1 concrete armor units: 10 to -10 ft MLLW = 15-25 ton (mean = 20 ton), or sized as needed to resist wave actionSH2 Relic Stone: -10 to -20 ft MLLW = 25-45 ton (mean = 34 ton)

all stone has gamma=167 lb/ft3

Re-workedRelic Armor Stone

-40

-30

-20

-10

0

10

20

30

40

50

-260 -240 -220 -200 -180 -160 -140 -120 -100 -80 -60 -40 -20 0 20 40 60 80 100 120


Core StoneRelic Armor Stone

Original Seabed

1v:3h

South North

1v:2h

SB1 stone: 25 to -10 ft MLLW = 25-45 ton (mean = 34 ton)SB2 Select Relic Stone: below -10 ft MLLW = 5-15 ton (mean = 10 ton)

Reworked Relic Armor Stone = 5-15 ton (mean = 10 ton)Reworked Core Stone = 0.5 - 7 ton (mean = 4 ton)

all stone has gamma=167 lb/ft3

=optional area to use concrete armor units

=optional area to use concrete armor units - would preclude land access along crest for futre repair

-40

-30

-20

-10

0

10

20

30

40

50

-260 -240 -220 -200 -180 -160 -140 -120 -100 -80 -60 -40 -20 0 20 40 60 80 100 120


Core StoneRelic Armor Stone

Original Seabed

1v:3h

South North

1v:2h

SC1 stone: 25 to +5 ft MLLW = 25-45 ton (mean = 34 ton)SC2 Stone: 25 to -10 ft MLLW = 8-20 ton (mean = 14 ton)

SC3 Select Relic Stone: below -10 ft MLLW = 5-15 ton (mean = 10 ton)Reworked Relic Armor Stone = 5-15 ton (mean = 10 ton)

Reworked Core Stone = 0.5 - 7 ton (mean = 4 ton)all stone has gamma=167 lb/ft3

=optional area to use concrete armor units

1v:3h

= SC1 select armor units: 5 to -10 ft MLLW; for stone = 25 - 60 ton (mean =45 ton)

=optional area to use concrete armor units - would preclude land access along crest for futre repair

-40

-30

-20

-10

0

10

20

30

40

50

-260 -240 -220 -200 -180 -160 -140 -120 -100 -80 -60 -40 -20 0 20 40 60 80 100 120


Existing Core StoneRelic Armor Stone

Original Seabed

Interim Repair = Reach A, 9-22 ton (mean = 15 ton) / Reach B, 13-32 tone (mean 22 ton)Relic Armor Stone = 5-15 ton (mean = 10 ton)

Core Stone = 0.5 - 7 ton (mean = 4 ton)all stone has gamma=167 lb/ft3

1v:2h

South North

-40

-30

-20

-10

0

10

20

30

40

50

-260 -240 -220 -200 -180 -160 -140 -120 -100 -80 -60 -40 -20 0 20 40 60 80 100 120

Ocean/Beach Side

Channel Side

Existing Core Stone

Relic Armor Stone Benson Beach

Original Seabed

Interim Repair = 6-15 ton (mean = 10 ton)Relic Armor Stone = 5-15 ton (mean = 10 ton)

Core Stone = 0.25 - 3 ton (mean = 1.5 ton)all stone has gamma=167 lb/ft3

1v:1.5h

South North

Scoured seabed armored with relic stone

10 T

New Rock

Sand Foundation

Existing Rock

MCR Jetty Major Rehab -

Example


31 JAN 2006

HIGHDUNE

LOW BackshoreTrestle Bay

South Jetty

Initial Priorities: - Major scour areas on South Jetty Beach

- Depressed area north of North Jetty

North Jetty



Topics








DATAWELL Directional Wave Buoy

CDIP Wave Rider Buoy


Constructed in the Netherlands Centimeter accuracy in wave height Data transmitted via satellite. All data are disseminated on the

CDIP Website updates @ 30 minutes. Alert system if buoy breaks loose.


!C

CDIP Buoy - "Clatsop Spit"Proposed LocationLNG = 124 7 41.3 WLAT = 46 12 57.3 N630 yards inshore of MCR R"2"

Washington

Oregon

North Jetty

South Jetty

Jetty “A”

Mouth of the Columbia River

(MCR)


Topics








Portland / Walla Walla District: 5-Year Planning

Joint Portland / Walla Walla Long-Term Planning since 2006

In 2007: Identified Columbia and Snake River Project Maintenance / Repair Needs and draft timeline

Served as basis for Dec 10 – Apr 11 Outage

Next steps: Update and Refine FY 12 to FY 14 Needs


Columbia River Long-Term Outage (Dec 10 – Apr 11)

Dec Jan Feb Mar Apr May June

The Dalles

Incentive (The Dalles)

John Day

Lower Monumental

Normal Outage

BIOP ………….

Unscheduled Extension

5

5

13

27

27 13

3

13 27

14 Weeks

16 Weeks

10-14 Days

14 Days

5 Days

327

The Dalles, John Day & Lower MonumentalExtended Navigation Lock Outage

10 1313 Weeks

?


The Dalles Critical Repairs (Dec 10 – Apr 11)

History

Mar 06, 07, 08: Intermediate Repairs

Mar 07: Instrument Install

Sep 09: Emergency Outage

Dec 09: Tentative Short-Term Outage

Mar 10: Normal Outage – Prep for Long-Term Repairs

FY 10: $5 mil for TD Repairs



Scope of Repairs

Replace Pintle Bearing Assembly

Replace Quoin Block Assembly

Replace Miter Assembly

Replace lower Portion of Gate

Re-establish Load Path

-Quoin Block

-Miter Blocks

-Pintle Bearing



Acquisition Strategy

Feb 10:

2 Supply Contracts► Pintle Assembly► Adjustable Quoin and Miter

Block Assembly

Apr 10: Repair Contract

-Quoin Block

-Miter Blocks

-Pintle Bearing


John Day Critical Repairs (Dec 10 – Apr 11)

History Mid -90s: Critical D/S Gate Repairs Jul 07: Cracking in Friction Drum FY 08 – FY 10: Major Rehab Study Jan 08: Friction Drum Cracks Expand Mar 08: Friction Drum Emergency Repair FY 10: Friction Drum Replacement FY 09: ARRA for D/S Gate Replacement


John Day Critical Repairs (Dec 10 – Apr 11)

Scope of Work

Replace D/S Gate Replace Friction Drums

Acquisition

Contract Awarded to Advanced American Construction (AAC) for Fabrication and Installation


North Wall Monolith Cracking

John Day Major Rehab Report

3 Year Study (2008-2010)

Issues / Concerns► At Start (62)► Currently (4) (Includes D/S Gate

and Friction Drums)► In Final Report (Est 2)

• Movement of Lock Monoliths (Needs Stabilizing)

• Spillway Gates (May Need Strengthening)

Implement Repairs► Depends on Report Approval and

Funding (Approx 3-5 Years)


Topics







US Army Corps of Engineers

BUILDING STRONG®

Portland District - Navigation Update

COL Steve Miles

Commander

Portland District

PNWA Annual Meeting

13 October 2009

Documents

US Army Corps of Engineers BUILDING STRONG ® Portland District - Navigation Update COL Steve Miles Commander Portland District PNWA Annual Meeting 13 October