The plant is also equipped with a waterproof test system for the leak test of the on wheels stock with different angles of incidence and speed of impact greater than the one of the rolling stocks itself. It also has a washing platform used for operations immediately after taking over the rolling stock. This area is equipped with facilities and equipment necessary to wash the body, the underbody and the bogies and is equipped for the activities of disinfection, water tanks hyperchlorination and various plants sanitizing.