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2018-20 Greenbank Marsh Restoration Design (Phase 2)

This page will be updated periodically as new information becomes available.
Project Updates, Reports, & Presentations:
(click underlined text to open files)

February 2020 Groundwater Impact Evaluation Report - Shannon & Wilson

February 14, 2020 Addendum to Hydraulic Modeling Documentation - Northwest Hydraulic Consultants

February 3, 2020 Project Status Update - GBBC/WICD

August 7, 2019 Hydraulic Modeling Documentation - Northwest Hydraulic Consultants 

August 2019 DRAFT Hydrogeologic Report - Shannon & Wilson

​
June 1, 2019 Presentation on Engineering Issues - Northwest Hydraulic Consultants 

​June 1, 2019 Presentation on Biological Issues - Element Solutions
​


Conceptual Design Site Plan as of April 24, 2019:
(click image below to open file)
Picture

Grant Summary

Greenbank Beach and Boat Club (GBBC), with the support of Whidbey Island Conservation District (WICD), has received a grant from the Washington State Recreation and Conservation Office (RCO) to fund the second phase of a multi-phased project to address GBBC's privately owned, aging tidegate system.  This second phase follows the Greenbank Marsh Restoration Issues Assessment (Phase I) which was completed in November 2017.  See 2016-2017 Greenbank Marsh Restoration Issues Assessment (Phase 1) or Greenbank Marsh Project Overview pages for more information regarding work leading up to Phase 2 - Restoration Design.

Goal

The goal of this second phase is to refine the conceptual "open channel" designs from Phase I into “permit-ready” designs for the subsequent construction phase.  The scope of work includes completing 90% engineered designs, applying for construction permits, and continuing stakeholder outreach and consultation. ​

Grant Management

  • GBBC received the grant from RCO. GBBC is contracting with WICD to handle financial and reporting tasks, oversight of technical consultants, and design/permitting tasks.
  • GBBC has sole responsibility for all decisions regarding expenditure of the grant monies.

Scope of Work

  • Stakeholder outreach and consultation
  • Engineering Design technical analyses to be completed by consultants:
    • Channel outlet design and verification of tidal conditions (based on coastal geomorphic and H&H data)
    • Refine hydraulic modeling to further evaluate potential for flooding in marsh
    • Geotechnical investigation and dike design
    • Biological issues assessment 
  • Engineering design and drawings, including additional field studies
  • Permit applications (including pre-application meeting with Island Co)
  • Develop funding opportunities and apply for construction funding

Schedule

  • Start date: 1/19/18
  • Stakeholder outreach: throughout grant period
  • Field studies, including water level and salinity baseline monitoring: begin March 2018
  • Publish RFP for engineering consultants and hire consultants: July 2018
  • 90% design complete: July 2019
  • Draft permit applications complete: July 2019
  • End date: 7/19/19
​
The design phase grant application can be viewed on RCO’s Project Information System (PRISM) website at the following link https://secure.rco.wa.gov/prism/search/ProjectSnapshot.aspx?ProjectNumber=17-1140.

For more information about the Greenbank Marsh Project, please contact Matt Zupich. 

email: matt(at)whidbeycd.org                       phone: (360) 678-4708

Office Hours:
COVID-19 Response: Our office is currently closed to visitors, and our staff is primarily working remotely. 
Mailing Address: PO Box 490, Coupeville, WA
Office Location: 1 NE 4th Street, Coupeville, WA

Office Phone: 360-678-4708
General Email: wicd[at]whidbeycd.org
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  • Home
  • About Us
    • Board of Supervisors
    • Staff
    • District Documents >
      • Work Plans
      • Accomplishments
    • Projects
    • Volunteer
    • Community Involvement >
      • Orca Recovery Day
      • Whidbey Earth Day
      • Pollinator Pal Pledge
  • Our Services
    • Events & Education
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      • Horse & Livestock Services
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      • Beginning Farmer Resources
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