A new construction project in Romont, Switzerland, Europe, required a modification to an existing district heating pipe along Route des Echervettes. The challenge was to shorten the pipe and reconnect it to the existing system while the district heating network remained operational.
The work focused on professionally shortening the existing FLEXWELL-FHK pipe and precisely reconnecting it to the district heating network's supply and return system.
Demanding welding work inside the excavation pit
The main technical challenge was making the connection inside the excavation pit. This required a high-quality weld between the corrugated CrNi stainless steel service pipe, with a wall thickness of just 0.075 inches, and the steel pipe transition.
This welding work required specially trained personnel and precise execution. The modification was successfully completed, allowing the district heating network's operational reliability to be maintained.
The project illustrates the technical requirements involved in modifying existing district heating pipes. BRUGG Pipes documents the work and its execution in the accompanying case study.