Beacon Hill Station and Tunnels - Seattle, WA
Manufacture and deliver 2,685M of precast, bolted, gasketed tunnel liners.
ID=5.74M.
Owner : Sound Transit
General Contractor : Obayashi Corp.
Quantity of precast tunnel liner : 8,800 ft x 19' diameter (2 680 m x 5,80 m diameter)
Production Period : 2005-2006