Trailing Pipe System 900 for "Shoalway" The ‘Shoalway’, ordered by Royal Boskalis Westminster and commissioned in June 2010, was fitted with a 900 mm trailing pipe. The Damen delivery comprised the trailing pipe together with gantries and winches, the overflow and the dredge valves, as well as an array of dredging instrumentation. Download Product SheetSee all deliveries