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open🌐 City of SeattlePW#2026-011

Seattle City Hall (SCH) Roof and Windows Replacement

City of Seattle / Public Works

All open bids & awards from City of Seattle →

Description

Project Description: The project consists of 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 improvements necessary to restore and extend the service life of the facility. Engineer's Estimate: Base Bid: $4,552,000.00 Bid Alternate #1 Surface Applied Glaze: $28,721.00 Bid Alternate #2 Waterproof Membrane Augmentation; RT-3: ($48,332.00) Bid Alternate #3 New PVC Roofing Membrane; RT-4: $150,673.00 Bid Alternate #4 New PVC Roofing Membrane; RT-5: $72,758.00 Project Location: Seattle City Hall 600 4 th Ave, Seattle, WA 98104

Documents (3)

  • 📎 23e67b1f-2315-4ebf-a6f8-46648cf0153b_PW#2026-011_SCH_ROOF_AND_WINDOW_REPLACEMENT_Bid_Set.pdf
    application/pdf · 15.7 MB
    Download
  • 📎 48f66f60-a821-4558-89f1-03fab546391b_PW#2026-011_SCH_ROOF_AND_WINDOWS_REPLACEMENT_Bid_Form.pdf
    application/pdf · 434 KB
    Download
  • 📎 d2c4615a-df99-41cf-9982-f4da65e8ad0c_PW#2026-011_SCH_ROOF_AND_WINDOWS_REPLACEMENT_Project_Manual.pdf
    application/pdf · 13.4 MB
    Download

Details

Posted
Aug 26, 2026
Response deadline
Sep 23, 2026, 9:00 PM UTC (15d)
Status
open
Buyer
City of Seattle
Department
Public Works
Jurisdiction
City of Seattle
Reference #
PW#2026-011
Has Description
true
Summary
Project Description: The project consists of reroofing and related building envelope improvements at Seattle City Hall, including green roof replacement, waterproofing, roof draina
Government Code
seattle
Government Organization State
WA
Government Organization Website
http://seattle.gov/
Government Organization Zip Code
98104
Government Organization Address1
700 5th Ave
Government Organization Country Code
US
Other
Is Paused: false · Template Title: Solicitation (Attach a Document) - Construction · Copy Count: 0 · Government Organization Logo: https://assets.procurement.opengov.com/logo-uploads/92aad1bc-03e8-4f0e-995d-ba5c433e3b44_image001.pn · Government Organization Timezone: America/Los_Angeles · Government Organization Phone Country: 1

Contact

(206)684-3000

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