Transcript PRESENTATION TITLE - Pacific Northwest Waterways

Portland District Navigation Update
COL Steve Miles
Commander
Portland District
PNWA Annual Meeting
13 October 2009
US Army Corps of Engineers
BUILDING STRONG®
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
PORTLAND DISTRICT
2
BUILDING STRONG®
The Dalles Downstream Miter Gate
- Emergency Repairs
What Happened:
Mar 07, 08, 09: Intermediate Repairs
Nov 07: Instrument Install
28 Sep 09:
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Operator Identifies Possible Problem
Instrumentation Review
Remote Vehicle Inspect
Project Stops Operation
29 Sep 09:
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Corporate Review
River Closed
30 Sep 09:
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Diver Inspection
Dewatering
Letter Contract to AAC
1 Oct 09:
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Cleaning / Inspection / Repair Plan
Repairs Begin
12 Oct 09: Lock Re-Opens
PORTLAND DISTRICT
3
BUILDING STRONG®
The Dalles Downstream Miter Gate
- Emergency Repairs
The Problem:
PORTLAND DISTRICT
4
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Cracks in both miter
gate leaves.
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Gate vibrates upon
un-mitering/opening.
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Gate has no
adjustability.
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Lower 30’ not
mitering.
BUILDING STRONG®
The Dalles Downstream Miter Gate
- Emergency Repairs
The Fix:
►
PORTLAND DISTRICT
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Interior girder pockets
reinforced with boxes
bolted in place.
BUILDING STRONG®
The Dalles Downstream Miter Gate
- Emergency Repairs
PORTLAND DISTRICT
7
BUILDING STRONG®
The Dalles Downstream Miter Gate
- Emergency Repairs
The Fix:
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PORTLAND DISTRICT
8
Interior girder pockets
reinforced with boxes
bolted in place.
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
BUILDING STRONG®
The Dalles Downstream Miter Gate
- Emergency Repairs
The Fix:
Interior girder pockets
reinforced with boxes
bolted in place.
► 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
►
PORTLAND DISTRICT
9
BUILDING STRONG®
The Dalles Downstream Miter Gate
- Emergency Repairs
The Future:
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Increased Monitoring
• Instrumentation
• Periodic ROV / Dive Inspections
PORTLAND DISTRICT
10
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Engineering Review of repair work
needed during Long-Term Outage
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Dec 09 (tent.): Interim Inspection &
Lock Closure (ICW Walla Walla)
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Mar 10: Annual Outage
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Mar 10 – Dec 10 (if needed):
Interim Inspection / Lock Closure
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Dec 10 – Apr 11: Long-Term Outage
BUILDING STRONG®
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
PORTLAND DISTRICT
11
BUILDING STRONG®
Columbia River Channel Improvements
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Project Completion: 31 Dec 10
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FY 10 Work:
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Completion of Dredging w/
Dredge Oregon (Summer ’10)
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St. Helens:
•
•
•
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Slaughter’s Bar:
•
•
PORTLAND DISTRICT
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Dredging Begins 13 Oct 09
Blasting 1 Nov 09 – 28 Feb 10
Ross Island Disposal
Dredging RM 66+00 to RM 67+05
Dibblee Point Disposal
BUILDING STRONG®
Columbia River Channel Improvements
http://www.youtube.com/watch?v=tMxyspJgGHk&feature=related
PORTLAND DISTRICT
13
BUILDING STRONG®
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
PORTLAND DISTRICT
14
BUILDING STRONG®
MCR Jetty Major Rehab
View to NE
Columbia River
Estuary
Oregon
Washington
Jetty “A”
1 mile long
1938-39
North Jetty
2.5 miles long
1914-1917
South Jetty
6 miles long
1885-1913
Pacific
PORTLAND DISTRICT
15
Ocean
BUILDING STRONG®
MCR Jetty Major Rehab

Final approval in March 2010 (For FY ’12 Budget Cycle)
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Recommended Plan: Review - Agency Technical Review
Model Code: Review - Planning Center of Expertise
Environmental Assessment: Public Review in November
The Recommended Plan:
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Addresses North, South and Jetty “A”
Include spur groins and capping
View to NE
Columbia River
Estuary
Oregon
Washington
Jetty “A”
1 mile long
1938-39
North
Jetty 2.5
South
Jetty 6
miles long
1914-1917
Pacific
PORTLAND DISTRICT
Ocean
miles long
1885-1913
16
BUILDING STRONG®
=optional area to use concrete armor units - would preclude land access along crest for futre repair
50
Ocean Side
Mouth of Columbia River
Channel Side
40
Ocean Side
Channel SideInterim Re
Relic Armor
Core Ston
1v:2h
all st
MCR Jetty Major Rehab Elevation, MLLW
30
1v:3h
1v:3h
20
1v:2h
1v:3h
10
N
0
-10
MCR SouthRelic
Jetty
Nominal CrossCore
Section
Stone for Existing HEAD Condition STA 316
Armor Stone
and Proposed Head Rehab -20
Example
Original Seabed
Relic Armor Stone
50
40
-30
Core Stone
Original Seabed
30
-140
= spur groin
-120
-100
Elevation, MLLW
-40
SH1 concrete armor units: 10 to -10 ft MLLW = 15-25 ton (mean = 20 ton), or sized as needed
to resist
-260 -240
-220 wave
-200 action
-180 -160
0 -200 -180 -160 -140SH2
-120
-20= 25-45
0 ton20(mean
40 = 3460
100
120
Relic-100
Stone:-80
-10 to-60
-20 ft-40
MLLW
ton) 80
South
all stone
has gamma=167
lb/ft3
Distance from
centerline,
ft
North
South
-80
-60
-40
-20
0
North
Ocean/Beach Side
Channel Side
60
80
100
10
120
New Rock
0
Existing Rock
-10
Sand Foundation
-30
-40
-260 Section
-240 -220
-200 -180Condition
-160 -140
for Existing
1v:2.5hMCR South Jetty Nominal Cross
1v:2.5h
and Interim Repair Template
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) Re-worked
RelicStone
Armor
Stone
Reworked Relic Armor
= 5-15
ton (mean = 10 ton) Relic Armor Stone
Reworked Core Stone = 0.5 - 7 ton (mean = 4 ton)
all stone has gamma=167 lb/ft3
Pacific
Ocean
40
North
-20
1v:3h
MCR South Jetty Nominal Cross1v:3h
Section for ENCASEMENT
REHAB OPTION - SA
20
20
Distance from centerline, ft
-120
Dis
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
Original Seabed
= 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
South
-200 -180 -160 -140 -120 -100 -80
-60
-40
-20
0
20
40
50
60
North
80
100 120 140 160 180 200
Distance from centerline, ft
Ocean Side
40
Channel Side
Ocean Side
1v:2h
Relic Armor Stone
Elevation, MLLW
30
1v:2h
1v:2h20
Existing Core Stone
Channel Side
10
0
-10
Existing Core Stone
SOUTH JETTY MAJOR REHABILATION
PORTLAND DISTRICT
Original Seabed
-20
-30
-40
Relic Armor Stone
17
Original Seabed
BUILDING
STRONG®
MCR Jetty Major Rehab
Initial Priorities:
- Major scour areas on South Jetty Beach
- Depressed area north of North Jetty
South Jetty
HIGH
DUNE
31 JAN 2006
LOW Backshore
Trestle Bay
North Jetty
PORTLAND DISTRICT
18
BUILDING STRONG®
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
PORTLAND DISTRICT
19
BUILDING STRONG®
MCR Buoy Installation
DATAWELL
Directional
Wave Buoy
CDIP Wave Rider
Buoy
PORTLAND DISTRICT
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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.
20
BUILDING STRONG®
Washington
Mouth of the
Columbia River
(MCR)
South Jetty
Oregon
PORTLAND DISTRICT
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BUILDING STRONG®
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
PORTLAND DISTRICT
22
BUILDING STRONG®
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
PORTLAND DISTRICT
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BUILDING STRONG®
Columbia River Long-Term Outage
(Dec 10 – Apr 11)
The Dalles, John Day & Lower Monumental
Extended Navigation Lock Outage
Dec
Jan
Feb
Mar
5
May
June
27
16 Weeks
The Dalles
13
?
Incentive (The Dalles)
5
27
10-14 Days
13
14 Weeks
John Day
13
10
Lower Monumental
Apr
13 Weeks
27
Normal Outage
13
14 Days
3
………….
BIOP
27
Unscheduled Extension
PORTLAND DISTRICT
3
5 Days
24
BUILDING STRONG®
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
PORTLAND DISTRICT
25
BUILDING STRONG®
The Dalles Critical Repairs
(Dec 10 – Apr 11)
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
PORTLAND DISTRICT
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-Pintle Bearing
BUILDING STRONG®
The Dalles Critical Repairs
(Dec 10 – Apr 11)
Acquisition Strategy
 Feb 10:
2 Supply Contracts
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Pintle Assembly
Adjustable Quoin and Miter
Block Assembly
 Apr 10: Repair Contract
-Quoin Block
-Miter Blocks
PORTLAND DISTRICT
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-Pintle Bearing
BUILDING STRONG®
John Day Critical Repairs
(Dec 10 – Apr 11)
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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
PORTLAND DISTRICT
28
BUILDING STRONG®
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
PORTLAND DISTRICT
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BUILDING STRONG®
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)
North Wall
Monolith Cracking
PORTLAND DISTRICT

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30
Implement Repairs
► Depends on Report Approval and
Funding (Approx 3-5 Years)
BUILDING STRONG®
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
PORTLAND DISTRICT
31
BUILDING STRONG®
Portland District Navigation Update
COL Steve Miles
Commander
Portland District
PNWA Annual Meeting
13 October 2009
US Army Corps of Engineers
BUILDING STRONG®