Seattle Park District Opengov #PW#2025-029

Seattle City Hall Plaza Waterproofing Replacement Solicitation

This opportunity involves the City of Seattle's plan to replace the waterproofing system at Seattle City Hall Plaza. - Government Buyer: - City of Seattle - Project location: 600 4th Ave, Seattle, WA 98104 - Scope of Work: - Removal and replacement of the existing waterproofing membrane at the elevated plaza - Replacement of associated paving and landscaping elements - Installation of one new flagpole - Project Delivery: - Work will be completed in three phases to maintain site functionality - Unique Requirements: - Mandatory pre-bid walk attendance - Electronic bid submission via OpenGov Procurement - Covered Project under the City of Seattle’s Community Workforce Agreement (CWA) and Priority Hire SMC 20.37, supporting racial and economic equity - No energy upgrades included - Estimated Contract Value: - $6,864,865.00 - No specific OEMs or vendors are named in the solicitation

Description

This project involves the removal and replacement of the existing waterproofing membrane, associated paving, and landscaping elements at the elevated plaza of Seattle City Hall. The work excludes energy upgrades and will be delivered in three phases over 2026-2027 to maintain site functionality and manage operational impacts. Additionally, the installation of one new flagpole is included. The project supports racial and economic equity under the City of Seattle's Community Workforce Agreement and Priority Hire policies.

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