Telephone & Telegraph Department of Stockholm City
Svenska AB Christiani & Nielsen
Chdstiani & Nielsen A/S
71m
288m
Project construction
1965-04-30
4
One tube
4.45 m OD 3.55 m ID
circular
Tunnel elements were cast in existing naval drydock, two
at a time.
at a time.
Two catamaran rigs
Provisional rubber seal supplemented by annular fabricreinforced
neoprene rubber strip bored from inside
neoprene rubber strip bored from inside
Pile-supported grillages at element joints
No cover