Electric Boat – Building 256 Fabrication Enclosure


  • Electric Boat Groton, Connecticut shipyard
  • Facility expansion intended to provide additional manufacturing capacity in support of the development and manufacture of US Navy’s Columbia class nuclear powered ballistic missile submarines
  • Raised center platform with a deck over six feet above finished floor
  • Operable bifold roof system to allow the existing building overhead bridge cranes to support fabrication and bring materials into the enclosure