Seattle City Hall Plaza Waterproofing Replacement
| Agency: | City of Seattle |
|---|---|
| State: | Washington |
| Type of Government: | State & Local |
| NAICS Category: |
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| Posted Date: | Mar 22, 2026 |
| Due Date: | Apr 15, 2026 |
| Solicitation No: | PW#2025-029 |
| Original Source: | Please Login to View Page |
| Contact information: | Please Login to View Page |
| Bid Documents: | Please Login to View Page |
Description
Project ID: PW#2025-029
Title: Seattle City Hall Plaza Waterproofing Replacement
Addenda: 0
Release Date: 3/20/2026
Due Date: 4/15/2026
Post Information
Sealed Bid Process:Yes (Bids Sealed / Pricing Sealed)
Private Bid:No
Summary
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 plaza
Upon completion of all construction activities, the plaza shall be fully restored to its original appearance.
Engineer's Estimate: $6,864,865.00
Project Location: Seattle City Hall 600 4th Ave, Seattle, WA 98104
Background
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
Timeline
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.
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.