Project Description: The work includes the removal and replacement of the existing waterproofing membrane, associated paving, and landscaping elements at the elevated plaza. Energy upgrades are not included in this bid. The project will be delivered in three (3) construction phases occurring over calendar years 2026-2027 to maintain site functionality and manage operational impacts. The work also includes the installation of one (1) new flagpole on the elevated plazaUpon completion of all construction activities, the plaza shall be fully restored to its original appearance.Engineer's Estimate: $6,864,865.00Project Location: Seattle City Hall 600 4th Ave, Seattle, WA 98104

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.

Release Project Date:March 20, 20261st Pre-Bid Meeting (Bidder must attend one of the two mandatory Pre-Bid Meeting) (Mandatory):March 26, 2026, 11:00amThis 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 (Bidder must attend one of the two mandatory Pre-Bid Meeting) (Mandatory):March 31, 2026, 11:00amThis 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:April 23, 2026, 5:00pmBid Open Date:May 13, 2026, 2:00pm

Please see the Attachments section for specifications and attachments.

Paul SpiveyStrategic Advisor II700 5th AveSeattle, WA 98101Email: paul.spivey@seattle.govPhone: (206) 496-9915

Pamela HonmaSr. Construction Contracts Specialists700 5th AveSeattle, WA 98101Email: pamela.honma@seattle.govPhone: (206) 733-9941