Seattle Park District Opengov #PW#2026-011

Seattle City Hall Roof and Windows Replacement Project Solicitation

The City of Seattle is seeking bids for major building envelope improvements at Seattle City Hall. - Scope of work includes: - Replacement of the existing green roof system - Application of waterproofing materials to the building envelope - Repairs to roof drainage systems - Replacement of curtain wall window panels - Installation of fall protection and bird deterrent systems - General maintenance improvements to restore and extend facility service life - Bid alternates include: - Surface applied glaze - Augmentation of waterproof membrane at RT-3 - Installation of new PVC roofing membranes at RT-4 and RT-5 - Estimated base bid is $4,552,000 - Project is subject to the City of Seattle’s Community Workforce Agreement and Priority Hire program, emphasizing inclusion of workers from economically distressed communities, women, and people of color - Mandatory pre-bid site inspection and attendance at at least one pre-bid meeting are required for all bidders - No specific OEMs or vendors are named in the solicitation

Description

The project involves reroofing and related building envelope improvements at Seattle City Hall, including green roof replacement, waterproofing, roof drainage repairs, curtain wall window panels replacement, installation of fall protection and bird deterrent systems, and associated maintenance to extend the facility's service life. The work is located at Seattle City Hall, 600 4th Ave, Seattle, WA 98104. This project is a Covered Project under the City of Seattle’s Community Workforce Agreement and Priority Hire SMC 20.37, aiming to promote racial and economic equity by providing opportunities for people in distressed communities, women, and people of color. Mandatory pre-bid site inspection and attendance at at least one pre-bid meeting are required for bidders.

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