No 92 Lock and Beetham Tower

Beetham Tower noise - an intermittent hum, heard during windy weather, is believed to emanate from the roof's glass blade. The skyscraper was intended to be 50 storeys high rather than the 47 built, because wind load tests showed it would sway too much due to its slender shape and its 'glass blade' facade overrun has been blamed for the noise. The sound has been heard from about 300 metres away. It is close to standard musical pitch of B3 (approximately 246.94 Hertz) and has been compared to a "UFO landing". The noise affected production of Coronation Street. Work to reduce or eradicate the noise took place in 2007, 2008 and 2010.

Foam pads were installed in 2007, aluminium nosing in 2007 and further work done in February 2010 but attempts to eradicate the noise permanently have been unsuccessful. In January 2012 strong winds caused very loud humming and the architect, Ian Simpson apologised. It was suggested that the decorative glass blade could be removed to solve the problem.

On 11 September 2008 a pane of glass cracked requiring the street below to be cordoned off. On 29 January 2009 a fire broke out on the 31st floor and partial evacuation of the tower took place and one apartment was left uninhabitable.

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