North Shore Connector, Allegheny River Tunnel Launch Pit to Receiving Pit.
Manufacture and deliver 1,365M of precast, bolted, gasketed tunnel liners.
Owner : Port Authority of Allegheny County
General contractor : North Shore Constructors (A Joint Venture of Shea, Skanska and Schiavone)
Quantity of precast tunnel liner : 4,500 ft x 20' diameter (1371,6 m x 6,09 m diameter)
Production Period : 2007-2008