The timeline for development is as follows:

Invitation issued for expressions of interest 9 January 2006

Expressions of interest close 31 January 2006

Shortlist of designers selected 28 February 2006

Shortlisted designers submit proposals June 2006

Final designer selected September 2006

Announcement of final design January 2007

Appointment of supporting project team May 2007

Construction completed February 2009

Unveiling ceremony 24 February 2009