sentences:  The construction work, which was undertaken by Sir Robert McAlpine, commenced on the building in May 1960, and the foundation stone was laid by the Lord Mayor, Alderman Mrs Gladys Robson, on 30 November 1960.The building was completed in 1967 and was formally opened by HM King Olav V of Norway on 14 November 1968.The total construction cost was £4,855,000.