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