Port accessibility is defi ned by the following characteristics: (a)Maximum length of vessel which can be accommodated at the port - metres(b) Maximum draft of vessel which can be accommodated at the port - metres (c) Port approach width and depth above low water- metres (d) Entrance channel width and depth above low water - metres (e) Tidal window in hours for which vessels of maximum draft can enter and leave port (f) Height restrictions above high water - metres (reflecting bridges) (g)Tidal range – metres