Water main under the river Schelde

Rehabilitation in the port of Antwerp

System

Rehab

Medium

Water

Application area

Utility

Line type

Water main

Country

Belgium

Region

Antwerp

Situation

One of the most important culverts, running approximately 17 m under the river Schelde in the port of Antwerp, had several leakages due to faulty connections of the pipe. The culvert is installed in a concrete siphon with a diameter of 3 m. To maintain the water supply to the industrial estates in the port and because of the limited accessibility to the pipeline, the client decided to renovate the main with a trenchless method.

Special features

Removal of welding seams

Prior to Primus Line® installation, the host pipe was CCTV-inspected two times to make sure that there were no welding seams.

Debris removal

To remove the debris out of the pipe after cleaning, a gap between two pipe shots had been created at the low point of the pipe.

Technical details

Material of host pipe

Butt-welded steel

Diameter of host pipe

DN 600

Transported fluid

Potable water

Operating pressure

6 bar

Total length

225 m

Number of sections

1 section

Number of bends

6 bends of 45° and 90°

Installation time

5 working days

Why Primus Line?

Ability to negotiate bends

Minimal space requirements

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