Bertem (B)

Project
Main sewer Voer (fase 5) in Bertem

Client
Aquafin

Diameter / Length 

• ID 1400 mm / L = 521 m (4 drives, longest = 313 m)
• ID 1200 mm / L = 521 m (3 drives, longest = 287 m)
• ID   800 mm / L = 93 m (1 drive)
• ID   700 mm / L = 194 m (3 drives)

Execution
2004 – 2005

Remarks
The long microtunnelling of 313 m ID 1400 has been executed as a S-Curve nearby the small river “Voer”. The starting- and recovery operations were difficult because of pressure water. The recovery operations of the microtunnelling machine were done by divers under water.