Ningbo
The ChangHong tunnel in Ningbo is crossing the river ChangHong.
Project description
The crossing comprises an immersed tunnel section of 400 m in length of 4 elements each 100 m long. The tunnel width is 22,80 and the overall height is 8,45 m. TEC in association with the Municipality of Rotterdam provided design and supervision services to the Contractor STEC from Shanghai.
Scope of work
- Design support
- Assistance during construction

Project facts Ningbo
- Client
- STEC Shanghai Tunnel Engineering Company
- Location
- Ningbo
- Project phase
- Design support and assistance during construction
- Country
- China
- Duration
- 1999-2002
