BUILDING STRONG ® US Army Corps of Engineers BUILDING STRONG ® Portland & Walla Walla Districts Columbia-Snake River System Extended Navigation Lock Outage December 2010 – March 2011 Matt Cutts, P.E., CFM Critical Infrastructure Program Manager Portland District, U.S. Army Corps of Engineers Pacific Northwest Waterways Association 2011 Mid-Year Meeting June 27,

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Overview  Coordination started 18 months before the outage.  Estimated 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 3

BUILDING STRONG ® 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 4

BUILDING STRONG ® Damaged Top Girder (both leaves) Damaged Diagonals (both leaves) Bonneville Dam Navigation Lock Upstream Gate Emergency Repair 5

BUILDING STRONG ® 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

BUILDING STRONG ® The Dalles old gate removal 7

BUILDING STRONG ® The Dalles gate hardware 8

BUILDING STRONG ® 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 Oct

BUILDING STRONG ® McNary Navigation Lock  Outage 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 10

BUILDING STRONG ® McNary: 5 Year Inspection 11

BUILDING STRONG ® 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. 12

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 13

BUILDING STRONG ® 14 BUILDING STRONG ® 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 14

BUILDING STRONG ® 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 seal 15

BUILDING STRONG ® Lower Monumental downstream gate replacement 16

BUILDING STRONG ®  Extremely complex heavy-lifting  Coordinated between project & contractors to minimize disruption to operations  Coordinated with State and County road departments for mob and de-mob Lower Monumental: Downstream Gate Replacement 17

BUILDING STRONG ® Next Steps - Hoist Machinery Upgrades LOMO Existing EquipmentJohn Day New Equipment Lower Monumental: Downstream Gate Replacement 18

BUILDING STRONG ® Lower Monumental: Concrete Repair Phase 1 Phase 2 Phase 3 19

BUILDING STRONG ® Little Goose Navigation Lock  Outage Duration 5-Weeks  Routine work  Lock/gate and ancillary equipment inspections  Detailed maintenance and lubrication  Repair work 20

BUILDING STRONG ® 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 21

BUILDING STRONG ® Outcomes from 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. 22

BUILDING STRONG ®  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 23

BUILDING STRONG ® 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 24

BUILDING STRONG ® Installation of New Gate Sections 15 Jan – 24 Feb 2011 John Day Navigation Lock D/S Gate and Sheave Replacement 25

BUILDING STRONG ® Questions? Portland District Public Affairs Office (503) Portland District Critical Infrastructure Program Manager Matt Cutts (503) Walla Walla District Public Affairs Office (509) Navigation System Questions: Ann Glassley (509)