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US Army Corps of Engineers BUILDING STRONG ® Portland District - Navigation Update COL Steve Miles Commander Portland District PNWA Annual Meeting 13 October 2009
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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
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BUILDING STRONG ® PORTLAND DISTRICT 3 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
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BUILDING STRONG ® PORTLAND DISTRICT 4 The Dalles Downstream Miter Gate - Emergency Repairs The Problem: ► Cracks in both miter gate leaves. ► Gate vibrates upon un-mitering/opening. ► Gate has no adjustability. ► Lower 30’ not mitering.
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BUILDING STRONG ® PORTLAND DISTRICT 5 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 The Dalles Downstream Miter Gate - Emergency Repairs
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BUILDING STRONG ® PORTLAND DISTRICT 6 The Fix: ► Interior girder pockets reinforced with boxes bolted in place. The Dalles Downstream Miter Gate - Emergency Repairs
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BUILDING STRONG ® PORTLAND DISTRICT 7 The Dalles Downstream Miter Gate - Emergency Repairs
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BUILDING STRONG ® PORTLAND DISTRICT 8 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 The Dalles Downstream Miter Gate - Emergency Repairs
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BUILDING STRONG ® PORTLAND DISTRICT 9 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 The Dalles Downstream Miter Gate - Emergency Repairs Additional Instrumentation
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BUILDING STRONG ® PORTLAND DISTRICT 10 The Dalles Downstream Miter Gate - Emergency Repairs 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
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BUILDING STRONG ® PORTLAND DISTRICT 11 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
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BUILDING STRONG ® PORTLAND DISTRICT 12 Columbia River Channel Improvements Project Completion: 31 Dec 10 FY 10 Work: ► Completion of Dredging w/ Dredge Oregon (Summer ’10) ► St. Helens: Dredging Begins 13 Oct 09Dredging 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: Dredging RM 66+00 to RM 67+05Dredging RM 66+00 to RM 67+05 Dibblee Point DisposalDibblee Point Disposal
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BUILDING STRONG ® PORTLAND DISTRICT 13 Columbia River Channel Improvements http://www.youtube.com/watch?v=tMxyspJgGHk&feature=related
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BUILDING STRONG ® PORTLAND DISTRICT 14 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
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BUILDING STRONG ® PORTLAND DISTRICT 15 MCR Jetty Major Rehab 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
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BUILDING STRONG ® PORTLAND DISTRICT 16 MCR Jetty Major Rehab 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
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BUILDING STRONG ® PORTLAND DISTRICT 17 SOUTH JETTY MAJOR REHABILATION Pacific Ocean Mouth of Columbia River N 255 270 285 300 330 345 180 195 210 225 240 360 375 = spur groin 315 MCR Jetty Major Rehab - Example
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BUILDING STRONG ® PORTLAND DISTRICT 18 31 JAN 2006 HIGH DUNE LOW Backshore Trestle Bay South Jetty Initial Priorities: - Major scour areas on South Jetty Beach - Depressed area north of North Jetty North Jetty MCR Jetty Major Rehab
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BUILDING STRONG ® PORTLAND DISTRICT 19 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
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BUILDING STRONG ® PORTLAND DISTRICT 20 DATAWELL Directional Wave Buoy CDIP Wave Rider Buoy MCR Buoy Installation 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.
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BUILDING STRONG ® PORTLAND DISTRICT 21 Washington Oregon North Jetty South Jetty Jetty “A” Mouth of the Columbia River (MCR)
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BUILDING STRONG ® PORTLAND DISTRICT 22 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
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BUILDING STRONG ® PORTLAND DISTRICT 23 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
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BUILDING STRONG ® PORTLAND DISTRICT 24 Columbia River Long-Term Outage (Dec 10 – Apr 11) ?
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BUILDING STRONG ® PORTLAND DISTRICT 25 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
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BUILDING STRONG ® PORTLAND DISTRICT 26 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 -Pintle Bearing
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BUILDING STRONG ® PORTLAND DISTRICT 27 The Dalles Critical Repairs (Dec 10 – Apr 11) 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
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BUILDING STRONG ® PORTLAND DISTRICT 28 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
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BUILDING STRONG ® PORTLAND DISTRICT 29 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
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BUILDING STRONG ® PORTLAND DISTRICT 30 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)
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BUILDING STRONG ® PORTLAND DISTRICT 31 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
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US Army Corps of Engineers BUILDING STRONG ® Portland District - Navigation Update COL Steve Miles Commander Portland District PNWA Annual Meeting 13 October 2009
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BUILDING STRONG ® PORTLAND DISTRICT 33 Columbia River Treaty 2014 / 2024 Review: Purpose & Objectives A series of studies to collect critical information needed to support possible renegotiation of the Columbia River Treaty (CRT) Identify benefits and costs to hydropower, flood risk management and other outputs of the system under alternative treaty scenarios U.S. Department of State decision on alternative courses of action regarding the treaty.
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BUILDING STRONG ® PORTLAND DISTRICT 34 1)The Treaty has no specified end date; however, it does have a provision allowing either nation to terminate most of the provisions of the Treaty in or after 2024, with a minimum 10 years ’ written advance notice, hence the name “ 2014/2024 Review ”. 2)Current flood control operating procedures will end in 2024, independent of Treaty decision. Why a Columbia River Treaty 2014/2024 Review?
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