 Further dredging in 1996 deepened the harbour by 2.6 metres, increasing the maximum size of vessel that can be accommodated today to .In 1998, after being closed to shipping since 1959, the old floating docks were re-opened to handle coastwise cargoes of ground and granulated blast-furnace slag for Civil & Marine’s new cement works at Rio Tinto Wharf.Since handling steel products in March 2007, other cargoes handled have included