Ship&Offshore | Issue 03/2023
Ulstein unveils new monopile installation technology
U-Stern | Ulstein Design & Solutions BV has released details of the patent-pending Ulstein U-SternTM, a safer and more efficient way of transporting, upending and installing large monopiles with dynamic positioning (DP) accuracy. The U-Stern system involves the longitudinal carriage of monopiles, a transverse and longitudinal skid system to locate them on the ship’s centreline ready for a crane to upend them and position them via a recess at the stern of the vessel. The new technology enables the ship to face incoming weather, thereby reducing ship motions and saving fuel....