I walked onto the floating dock in Hamburg as the yard cleaners were just starting a high pressure wash down, the only flat plates I could see were the blanks over the outboard stern tubes. The whole underwater section of the hull was curved plate to give the best hydrodynamic form. Two bow thrusters forward and a stern thruster aft, must have made berthing very simple for the master.
When the ship was built, all chosen suppliers were informed that, although normal ship suppliers guarantee of 12 months from delivery, was the basis of their materials; Mon General, Expected; that all materials supplied for the basic structure and machinery of the vessel, would be delivered with an unwritten agreement that they would be suitable for aminimum of twenty five years trouble free service, normal wear and tear being accepted.
Walking the length of the ship at bilge flat level, I passes through all the emergency watertight doors, seven I think it was, all the screw slots of the doorway fitted bolts, on each door frame were in line around the the opening; I've never seen this attention to detail on any other vessel.