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Columbia-Snake River System Extended Navigation Lock Outage December 2010 – March 2011. Portland & Walla Walla Districts .
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Columbia-Snake River System Extended Navigation Lock OutageDecember 2010 – March 2011 Portland & Walla Walla Districts Matt Cutts, P.E., CFMCritical Infrastructure Program ManagerPortland District , U.S. Army Corps of EngineersPacific Northwest Waterways Association2011 Mid-Year Meeting June 27, 2011 US Army Corps of Engineers BUILDING STRONG®
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
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
Bonneville Dam Navigation Lock Upstream Gate Emergency Repair Damaged Top Girder (both leaves) Damaged Diagonals (both leaves)
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
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
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
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.
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 • Collapse of concrete into culvert • Longitudinal cracks in top slab of culvert • Large crack in joint between top slab & sides.
Ice Harbor: Downstream cable connection/upstream trunnion hubs • Plan to complete cable connections in FY12. • Monitoring gate for cracks, made interim repairs, requested add’lFY13 funding Trunnion pin backed out, keeper plate failed
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
Lower Monumental: Downstream Gate Replacement 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 Next Steps - Hoist Machinery Upgrades LOMO Existing Equipment John Day New Equipment
Phase 2 Lower Monumental: Concrete Repair Phase 1 Phase 3 Phase 2
Little Goose Navigation Lock • Outage Duration 5-Weeks • Routine work • Lock/gate and ancillary equipment inspections • Detailed maintenance and lubrication • Repair work
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
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.
Challenges & Keys To Success 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
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
John Day Navigation Lock D/S Gate and Sheave Replacement Installation of New Gate Sections 15 Jan – 24 Feb 2011
Questions? Portland District Public Affairs Office (503) 808-4510 cenwp-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.mil http://www.nww.usace.army.mil/ Navigation System Questions: Ann Glassley (509) 527-7115