Seattle City Hall (SCH) Roof and Windows Replacement

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

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