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