Seattle City Hall (SCH) Roof and Windows Replacement

WASeattlecity
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Bid Number
296955
Open Date
Aug 25, 2026
Close Date
--
Status
Open

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: $4,552,000.00Bid Alternate #1 Surface Applied Glaze: $28,721.00Bid Alternate #2 Waterproof Membrane Augmentation; RT-3: ($48,332.00)Bid Alternate #3 New PVC Roofing Membrane; RT-4: $150,673.00Bid Alternate #4 New PVC Roofing Membrane; RT-5: $72,758.00Project Location: Seattle City Hall 600 4th Ave, Seattle, WA 98104

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Added Aug 27, 2026 | ID: 79980083

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