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Plan WRIA8 Salmon Recovery Council September 18, 2014 John Engel, - - PowerPoint PPT Presentation
Plan WRIA8 Salmon Recovery Council September 18, 2014 John Engel, - - PowerPoint PPT Presentation
Cedar River Corridor Plan WRIA8 Salmon Recovery Council September 18, 2014 John Engel, P.E. Supervising Engineer Nancy Faegenburg, Project Manager Cedar River Todays Presentation Overview of Cedar Corridor Plan Goals and desired
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Cedar River Watershed
Study Area: Landsburg to Lake Washington
22 River Miles
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Flooding, Damages, Repairs
Renton Airport/ Boeing Nov 1990 Renton Feb. 1996 Byers Bend, Jan. 2009 Belmondo Post 2009 Flood Emergency Repairs Belmondo post mitigation repair 2013
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Why do a Corridor Plan?
Multi-objective River and Floodplain Management
Detailed look at the floodplain, the risks and opportunities,
alternatives development and communication with the public and stakeholders.
Clearly defined vision/ outcomes Prioritized capital project list. Evaluates public safety in project and strategy for
implementation
Flood project mitigation integrated with salmon recovery plans
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Improvements in Available Data
2001 Air Photo 2000 Hillshade Model 2001 Elevation Model 2013 Air Photo 2013 Hillshade Model 2013 Elevation Model 2014 Inundation Model 100 year FEMA
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Examples of Detailed Flood Risk Information
Inundation depths based on Lidar and HEC- RAS model Channel Migration Mapping – under development LIDAR Data showing detailed topography
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Active Channel Migration – History Belmondo Reach
Groundwork for Process Based Restoration
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Plan Development
Existing Conditions Characterization Problem Identification and Prioritization Identify Opportunities and Potential Solutions Evaluate, Prioritize and Sequence End Products:
Clearly defined outcomes for the corridor List of Recommended CIP’s to achieve
- utcomes
Conceptual Designs and Cost Estimates Other Programmatic Actions to achieve
- utcomes
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Project Funding, Partners & Participants
KC FCD, Lead Agency, project funding Consultant team – technical and
- utreach assistance
KC WRIA and Science Staff Partner Agencies (Cities and Tribes) Advisory Committee Community City of Renton SRF Board grant –
input to Corr. Plan.
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Advisory Committee
Recommendations:
Cities: Renton, Seattle Muckleshoot Indian Tribe Neighborhood Residents River Safety Council and other recreational interests WRIA 8, Cedar River Council Industry: Boeing Non-profits: Friends of the Cedar River, Forterra Agencies:
Corps, WDFW, Ecology ,NOAA Fisheries, WDOT County Parks
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Timeline and Opportunities for Input
Preliminary Outreach to Partners and
Community (Spring-Summer 2014)
Consultant (August 2014)
$550-600K
Advisory Committee (kick-off in Sept 2014) Public Meetings (Fall 2014, Spring/Summer
2015, Fall 2015)
Plan Completed (December 2015) FCD review and adoption (1Q 2016) Project Selection and Implementation (2016)
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Summary of Outcomes
Goal is to produce a comprehensive plan with
a clear vision for long term flood protection.
Integrates multiple objectives Prioritized set of CIP’s Developed with input from an Advisory
Committee
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Rainbow Bend
Successful flood damage reduction and river restoration, King County Team with City of Seattle
1990 Flood
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Early 2013
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October 2013
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Sockeye in new channel
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Contact Information:
John Engel, P.E., Supervising Engineer Nancy Faegenburg, Project Manager
Water and Lands Resources Division Rivers and Floodplain Management Section – Cedar River
206 477-4685 john.engel@kingcounty.gov 206 477-4688 nancy.faegenburg@kingcounty.gov