Levee Ready Columbia Technical Advisory Subcommittee

Purpose

The purpose of the Levee Ready Columbia technical advisory subcommittee (TASC) is to provide technical analysis and recommendations to the Oregon Solutions team. It is not the role of the TASC to make decisions. The TASC assists the Oregon Solutions team by performing the following functions:

• Review and assess technical documents
• Evaluate cost assessments
• Evaluate alternative courses of action as identified by the Oregon Solutions team
• Provide technical recommendations to the Oregon Solutions team
• Share information
• Vet technical information within each members’ parent organization
• Educate stakeholders

Read more in the Columbia River Levee Repair and Accreditation Project Oregon Solutions Team Technical Advisory Committee (OST-TAC) Purpose, Protocols, and Structure document (PDF).

Meeting Materials

May 16, 2016, TASC Meeting Materials

• PEN 2 Encroachment Summary Report GENERAL (PDF)
• MCDD Outfall Inspection Presentation Final (PDF)
• SOW Climate Change (PDF)
• SOW LECA (PDF)

February 22, 2016, TASC Meeting Materials

• Meeting Agenda 2/22/2016 (PDF)

January 25, 2016, TASC Meeting Materials

• Meeting Agenda 1/25/2016 (PDF)
• Meeting Notes 1/25/2016 (PDF)
• USACE Planning Process Presentation (PDF)

October 19, 2015, TASC Meeting Materials

• Meeting Agenda 10/19/2015 (PDF)
• Meeting Notes 10/19/2015 (PDF)
• Levee Environmental Condition Assessment-Final SOW (PDF)

Seismic Studies

• 2001 USACE Seismic Performance of the Columbia River Levee (PDF)
• 2001 USACE Seismic Performance of the Columbia River Levee Executive Summary (PDF)
• 2014 Tualatin Valley Water District Draft Seismic Hazard Assessment (PDF)
• 2015 Cost-Benefit Study West Sacramento Area (PDF)
• 2015 Port of Portland Seismic Assessment (PDF)
• 2015 City of Portland Water Bureau Seismic Study and SOW (PDF)

August 17, 2015, TASC Meeting Materials

• Meeting Agenda 8/17/2015 (PDF)
• Meeting Notes 8/17/2015 (PDF)

July 20, 2015, TASC Meeting Materials

• Meeting Agenda 7/20/2015 (PDF)
• Meeting Notes 7/20/2015 (PDF)
• Climate Change Modeling-Final SOW (PDF)

June 22, 2015, TASC Meeting Materials

• Meeting Agenda 6/22/2015 (PDF)
• Meeting Notes 6/22/2015 (PDF)
• Economic Inventory-Final SOW (PDF)

May 18, 2015, TASC Meeting Materials

• Meeting Agenda, 5/18/2015 (PDF)

February 23, 2015, TASC Meeting Materials

• Meeting Agenda, 2/23/2015 (PDF)
• Meeting Notes 2/23/2015 (PDF)

January 26, 2015, TASC Meeting Materials

• Meeting Agenda, 1/26/2015 (PDF)
• Peninsula (PEN) 1 Aerial -1 (PDF)
• PEN 1 Aerial -2 (PDF)
• PEN 1 Aerial -3 (PDF)
• PEN 2 Aerial -1 (PDF)
• PEN 2 Aerial -2 (PDF)
• PEN 2 Aerial -3 (PDF)
• PEN 2 Aerial -4 (PDF)

December 9,2014, Railroad Embankment Subcommittee Meeting Materials 

• Meeting Agenda, 12/9/2014 (PDF)
• Levee System Form -PEN 1 (PDF)
• Levee System Form -PEN 2 (PDF)

November 17, 2014, TASC Meeting Materials

• Meeting Agenda, 11/17/2014 (PDF)
• Level of Protection Case Studies (PDF)

October 20, 2014, TASC Meeting Materials

• Meeting Agenda, 10/20/2014 (PDF)
• Historic High Water Events Handout (PDF)
• USACE RIP and PAS Program (PDF)

September 15, 2014, TASC Meeting Materials

• Meeting Agenda, 9/15/2014 (PDF)
• Railroad Embankment Overview (PDF)

The PDFs below were presented at the September 15, 2014 TAC meeting. They provide basic information on the Levee Engineering Assessments findings and present the models of the areas of concern as well as representative cross-sections. There is also a PDF available that demonstrates the freeboard model that was used in the analysis.

PEN 1 and PEN 2 Levee Engineering Assessment Standards and Methodology (PDF)

Figures for PEN 1 and PEN 2 Freeboard and Scour Protection Analysis (PDF)

August 20, 2014, TASC Meeting Materials

• Meeting Agenda, 8/20/2014 (PDF)
• Columbia Corridor Levee System: Context and Current Challenges (PDF)
• Levee Systems Issues and Concerns (PDF)