7.3.1 Have an understanding of the means of providing and maintaining safe access for routine and emergency purposes5.2.6 Have an understanding of vessel tank cleaning and gas freeing methods6.2.1 Have an understanding of the requirements for undertaking pre-arrival inspections of berth equipment6.3.1 Have an understanding of the procedures for preparing terminal facilities for product transfer6.3.2 Have an understanding of the procedure for developing trasfer plan for the vessel operation