BUILDING STRONG®

US Army Corps of EngineersBUILDING STRONG®

Portland & Walla Walla Districts

Columbia-Snake River System Extended Navigation Lock OutageDecember 2010 – March 2011

Matt Cutts, P.E., CFMCritical Infrastructure Program ManagerPortland District , U.S. Army Corps of Engineers

Pacific Northwest Waterways Association2011 Mid-Year Meeting June 27, 2011

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Overview Coordination started 18 months before the outage. Estimated 12-16 week outage, took 15 weeks. Timing arranged to minimize impacts as much as possible. Locks had to be open by 1 April to allow Fish Barging per BiOp. Main Commodities affected:

► Wheat► Fuel/gas transport up river► Garbage► Commercial - recreation cruise liners

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Outage Work Plan Bonneville: Routine maintenance & emergency repair The Dalles: Downstream gate replacement John Day: Downstream gate & sheave replacement McNary: 5 Year Lock inspection and maintenance Ice Harbor: Downstream Gate picking eye repair Lower Monumental: Downstream gate replacement,

Phase 2 concrete repairs Little Goose: Routine maintenance Lower Granite: Upstream & downstream gate repairs

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Damaged Top Girder (both leaves)

Damaged Diagonals (both leaves)

Bonneville Dam Navigation Lock Upstream Gate Emergency Repair

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The Dalles Navigation Lock Outage

The downstream gate and both pintle bearings were replaced

Dix Corporation of Spokane, WA was the prime contractor

Subcontractor Thompson Metal Fab was the steel fabricator, along with Oregon Iron Works

Fabrication started in April 2010, completed by Feb 2011

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The Dalles old gate removal

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The Dalles gate hardware

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John Day Navigation Lock Downstream gate & sheave replacement

Replaced downstream gate & friction sheaves Prime: Advanced American Construction Subcontractor: Oregon Iron Works of Clackamas Fabrication: Dec 2009 - Oct 2010

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McNary Navigation LockOutage Duration 6-Weeks Routine work 5 Year Major Inspection Detailed maintenance and

lubrication Repair work

Non Routine work Rehab stop logs Replace Tainter Valve Trash

Racks Repair Navlock Armor steel

Completed Rehab of Navlock Cranes

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McNary: 5 Year Inspection

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Ice Harbor Navigation Lock

Outage Duration 9-Weeks Routine Work:

5 Year Major Inspection Detailed maintenance and

lubrication Repair work

Non-Routine work D/S Gate Cable/

Connectors - included cable replacement. Scheduled but not completed.

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BUILDING STRONG® Longitudinal cracks in top slab of culvert Large crack in joint between top slab &

sides.

Collapse of concrete into culvert

Ice Harbor: Emptying Lateral Damage Damage found after unwatering lock Repairs critical to prevent concrete from entering fill/drain culvert Fast tracked contract to repair

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Ice Harbor: Downstream cable connection/upstream trunnion hubs

Trunnion pin backed out, keeper plate failed

Plan to complete cable connections in FY12.

Monitoring gate for cracks, made interim repairs, requested add’l FY13 funding

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Lower Monumental Navigation Lock

Outage Duration 15-Weeks Routine

Upstream gate and ancillary equipment inspections

Detailed maintenance and lubrication

Repair work Non-Routine

Replace downstream gate, cables and gear boxes

Navlock Concrete Repairs Phase 2

Replace U/S gate seal15

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Lower Monumental downstream gate replacement

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Extremely complex heavy-liftingCoordinated between project & contractors to minimize disruption to operationsCoordinated with State and County road departments for mob and de-mob

Lower Monumental: Downstream Gate Replacement

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Next Steps - Hoist Machinery Upgrades

LOMO Existing Equipment John Day New Equipment

Lower Monumental: Downstream Gate Replacement

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Lower Monumental: Concrete Repair

Phase 1

Phase 2

Phase 2

Phase 3

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Little Goose Navigation Lock

Outage Duration 5-Weeks

Routine work Lock/gate and ancillary

equipment inspections Detailed maintenance and

lubrication Repair work

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Lower Granite Navigation Lock

Outage Duration 8-Weeks Routine Work

Lock/gate and ancillary equipment inspections

Detailed maintenance and lubrication

Repair work Non Routine Work

U/S gate detailed inspection and skin plate repairs/painting

Tainter drain valve #1 skin plate repair

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Outcomes from 2010 - 2011 Extended Navigation Lock Outage

Took major steps to restore the reliability of the Columbia – Snake River Navigation System

Completed backlog of Navigation Lock maintenance work Updated Navigation Operational Condition Assessments. Established a coordinated and collaborative process for

current and future work on the System.

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Planning and communication with stakeholders before and during outage

Coordination between NWP and NWW before and during outage

Aggressive schedule and ARRA funding Market research and contractor selection Design and contract development Team building and partnerships

Challenges & Keys To Success

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Future Outages Potential work:

Replacement of The Dalles & Ice Harbor upstream gates

Little Goose & McNary miter gate repairs Lower Monumental electrical/mechanical systems

repairs Interim repairs at other navigation locks

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Installation of New Gate Sections 15 Jan – 24 Feb 2011

John Day Navigation Lock D/S Gate and Sheave Replacement

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Questions?Portland District Public Affairs Office

(503) 808-4510cenwp-pa@usace.army.mil

http://www.nwp.usace.army.mil/

Portland District Critical Infrastructure Program Manager

Matt Cutts (503) 808-4697

Walla Walla District Public Affairs Office(509) 527-7020

cenww-pa@usace.army.milhttp://www.nww.usace.army.mil/

Navigation System Questions:Ann Glassley (509) 527-7115

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