Work Starts on the Biggest Lock in the World in the Port of Antwerp. In the Port of Antwerp the construction of the second lock on the Left Bank has officially started. Over the coming years the new construction project will be one of the biggest infrastructure projects in Belgium, with 255 people working daily on building the biggest lock in the world. The lock is due to open in 2016 and will cost around EUR 340 million of which 50% will be financed by the European Investment Bank. The Flemish KBC Bank is also making available a EUR 81 million credit line, with the balance being provided by the Antwerp Port Authority and the Flemish Government. In recent years the development of the Port of Antwerp has been concentrated on the Left Bank.