Tunnel Update: *Ashbridges Bay* Treatment Plant Outfall - Tunnel Business Magazine <www.google.com/url?rct=j&sa=t&url=https://tunnelingonline.com/tunnel-update-ashbridges-bay-treatment-plant-outfall/&ct=ga&cd=CAEYACoUMTQxNDIyNjIzNjYwMDA1NDY2NTcyGmJkMTA0NDhlNWZlYTRkNTc6Y29tOmVuOlVT...> Tunnel Business Magazine The $300 million *Ashbridges Bay* Treatment Plant Outfall project for the City of Toronto, being bult by Southland | Astaldi Joint Venture, ...