(1) What is the current status of the private sector participation tender regarding the Ngqura Container Terminal in Port Elizabeth; (2) whether there are sufficient bid submissions to proceed with the specified tender in its original format; if not, why not; if so, what are the relevant details; (3) whether any changes will be made to the tender guidelines to improve private sector participation in the tender process; if not, why not; if so, what are the relevant details; (4) whether she will make a statement on the matter?