Sydney Harbour Bridge run by two children from the nearby Fort Street Boys' and Girls' schools. After the official ceremonies, the public was allowed to walk across the bridge on the deck, something that would not be repeated until the 50th anniversary celebrations. Estimates suggest that between 300,000 and one million people took part in the opening festivities, a phenomenal number given that the entire population of Sydney at the time was estimated to be 1,256,000. There had also been numerous preparatory arrangements. On 14 March 1932, three postage stamps were issued to commemorate the imminent opening of the bridge. Several songs were
Sydney Harbour Bridge although around 1964, the former tram tunnels and station were converted for use as a carpark for the Menzies Hotel and as public parking. One of the tunnels was converted for use as a storage facility after reportedly being used by the NSW police as a pistol firing range. The Sydney Harbour Bridge requires constant inspections and other maintenance work to keep it safe for the public, and to protect from corrosion. Among the trades employed on the bridge are painters, ironworkers, boilermakers, fitters, electricians, plasterers, carpenters, plumbers, and riggers. The most noticeable maintenance work on the bridge involves painting.