Construction of running tunnels & station structures number 7 (flushing) line extension.
Manufacture and deliver 2,894M of precast, bolted, gasketed tunnel liners.
ID = 6.10M
Owner : The New York City Transit Authority and MTA Capital Construction Company
General contractor : S3II Tunnel Constructors (A Joint Venture of Shea, Skanska and Schiavone)
Quantity of precast tunnel liner : 9,500 ft x 19,5' diameter (2 900 m x 6 m diameter)
Production Period : 2009 - 2010