Risanamento Fognature SPA relined a DN 800 main sewer pipe in Udine county, for a lenght of 90 meters, under a railway tunnel. We used the UV-Liner technique, inserting the liner via winch and polymerization was made by UV lamps. Liner Saertex Multicom – Premium S was applied by our Prokasro Uv Professional system with Double-Core 8000 W.