Seattle Park District Opengov #PW2024-017

Seattle Public Works Solicits Bids for 4th Ave S over ARGO Bridge Rehabilitation

The City of Seattle Public Works is seeking bids for the rehabilitation of the 4th Ave S over ARGO Bridge in the Industrial District. - Scope of work includes: - Crack injection and concrete spall repair on pier corbels - Carbon Fiber Reinforced Polymer (CFRP) strengthening - Partial demolition and reconstruction of select corbels - Increasing depth of concrete overhangs with new reinforced concrete - Installation of dowels and external post-tensioning - Replacement of expansion joints - Temporary traffic control and channelization during a full bridge closure - Rebar and structural steel installation - Full bridge closure required for 77 days to complete construction - No specific OEMs or vendors are named in the solicitation - Engineer's estimate for the project is $6,700,000 to $7,000,000 - Unique requirements: - Compliance with Washington State excise tax rules - Detailed bid forms and documentation as outlined in attachments

Description

This project rehabilitates the existing 4th Ave S over ARGO Bridge pier corbels using a 77 day full closure of the bridge. Work involves crack injection, concrete spall repair, Carbon Fiber Reinforced Polymer strengthening, partial demolition of select corbels, increasing the depth of the concrete overhangs using new reinforced concrete connected to the existing concrete using dowels, additional external post-tensioning, and replacement of expansion joints. Temporary traffic control and channelization will be required. The project includes Rebar Installation and Structural Steel Installation.

View original listing