REBID Seattle City Hall Plaza Waterproofing Replacement

Project Description: The existing plaza will be fully restored, which includes but is not limited to waterproofing, concrete decking, sub-grade interior repairs, landscaping, and adding one flagpole.

This Project is a Covered Project subject to the City of Seattle’s Community Workforce Agreement (CWA) and Priority Hire SMC 20.37.  With the support of the mayor and City Council, the City of Seattle administers programs that support racial and economic equity through contracting. Priority Hire is one of these programs. Priority Hire provides people living in economically distressed communities, women, and people of color access to work on the city’s construction projects. It gives contractors access to these skilled workers

Engineer's Estimate: $6,864,865.00

Project Location: Seattle City Hall 600 4th Ave, Seattle, WA 98104

Project Details

• Reference ID: PW# 2025-029
• Department: Public Works
• Department Head: Mark Nakagawara (Deputy Division Director)

Important Dates

• Pre-Proposal Meeting: 2026-07-28T18:00:00.000Z — This is a MANDATORY pre-bid site inspection/walk for this project. All those that wish to bid on the project will need to attend one site walk. Please meet at Seattle City Hall located at 600 4th Ave, Seattle, WA 98104. Please meet on the west side at the top of the grand stairway in the main lobby facing 5th Avenue. Please note that parking may be limited and will most likely require payment. If more than one person from the same entity is attending, we encourage carpooling where possible.

Meetings & Milestones

Evaluation Criteria

• Summary —

  Project Description: The existing plaza will be fully restored, which includes but is not limited to waterproofing, concrete decking, sub-grade interior repairs, landscaping, and adding one flagpole.

  This Project is a Covered Project subject to the City of Seattle’s Community Workforce Agreement (CWA) and Priority Hire SMC 20.37.  With the support of the mayor and City Council, the City of Seattle administers programs that support racial and economic equity through contracting. Priority Hire is one of these programs. Priority Hire provides people living in economically distressed communities, women, and people of color access to work on the city’s construction projects. It gives contractors access to these skilled workers

   

  Engineer's Estimate: $6,864,865.00

  Project Location: Seattle City Hall 600 4th Ave, Seattle, WA 98104

• Important Instructions for Electronic Submittals —

  The City of Seattle is accepting electronic bid submissions. Bidders shall create a FREE account with OpenGov Procurement by signing up at https://procurement.opengov.com/signup. Once you have completed account registration, browse back to this page, click on "Draft Response", and follow the instructions to submit the electronic bid.

• Timeline —

  Release Project Date:	July 20, 2026
  1st Pre-Bid Meeting (Mandatory, a bidder must attend one of the 2 pre-bid meetings) (Mandatory):	July 28, 2026, 11:00am This is a MANDATORY pre-bid site inspection/walk for this project. All those that wish to bid on the project will need to attend one site walk. Please meet at Seattle City Hall located at 600 4th Ave, Seattle, WA 98104. Please meet on the west side at the top of the grand stairway in the main lobby facing 5th Avenue. Please note that parking may be limited and will most likely require payment. If more than one person from the same entity is attending, we encourage carpooling where possible.
  2nd Pre-Bid Meeting (Mandatory, a bidder must attend one of the 2 pre-bid meetings) (Mandatory):	July 31, 2026, 11:00am This is a MANDATORY pre-bid site inspection/walk for this project. All those that wish to bid on the project will need to attend one site walk. Please meet at Seattle City Hall located at 600 4th Ave, Seattle, WA 98104. Please meet on the west side at the top of the grand stairway in the main lobby facing 5th Avenue. Please note that parking may be limited and will most likely require payment. If more than one person from the same entity is attending, we encourage carpooling where possible.
  Question Submission Deadline:	August 6, 2026, 5:00pm
  Bid Open Date:	September 2, 2026, 2:00pm

• Scope of Work or Project Details —

  Please see the Attachments section for specifications and attachments.

• Project Contact —

  Paul Spivey

  Strategic Advisor II

  700 5th Ave

  Seattle, WA 98101

  Email: paul.spivey@seattle.gov

  Phone: (206) 496-9915

• Procurement Contact —

  Pamela Honma

  Sr. Construction Contracts Specialists

  700 5th Ave

  Seattle, WA 98101

  Email: pamela.honma@seattle.gov

  Phone: (206) 733-9941

Submission Requirements

• Proposal Submittal (required) —

  Please upload your complete proposal response excluding pricing.

  • Bidder is responsible for integrity of the file to be uploaded
  • Verification of uploaded file integrity can be confirmed by clicking on the upload file.
• Bid Forms (required) —

  Please upload a PDF of the forms provided by the Owner that must be submitted with the Bid.

  Please upload a SINGLE PDF.

  • Bidder is responsible for integrity of the file to be uploaded
  • Verification of uploaded file integrity can be confirmed by clicking on the upload file.
• Bid Guarantee (required) —

  Please upload an electronic scan of your Bid Bond or Cashier's Check. 

  • Bidder is responsible for integrity of the file to be uploaded
  • Verification of uploaded file integrity can be confirmed by clicking on the upload file.
• Will this solicitation be awarded based on Evaluation Criteria/Committee? (required)