The boat lift consists of 14,000 Tonnes of riveted structural steelwork standing on steel columns. Old galvanised steelwork over the River Etherow was removed. The parcel deck was reinforced by 5,500 tons of structural steelwork. In 1971, the steelwork and railings were repaired and the bridge was strengthened. The structural steelwork including angles, plates, channels etc. Structural steelwork topped out in December 2012. Trump Tower used of concrete and 3,800 tons of steelwork. The steelwork was fabricated by Butterley Engineering. Corrosion resistance on the steelwork was provided by Camrex Corrosion of Bellshill, North Lanarkshire. The steelwork for the deck structure was fabricated in Britain and Japan. The concrete deck is dowelled to the steelwork. The light green steelwork contrasted with the red slate of the roof. New industries included a steelwork, a foundry, as well as weapons, jute and wool factories. The erection of the New York Life Building's steelwork began in January 1926. As a result, the steelwork through the site was retrofitted.