The Network Rail tunnel beneath the site presents a number
of significant challenges to the construction of the overall
building. The 7m curved cantilever is supported by a concrete
frame which in turn is separated from the foundations by
acoustic 'springs'.
The urban characteristics of the south facing site have provoked
a sustainable design response to the building by the introduction
of an “environmental skin” with 92sqm of solar thermal panels
on the south/south west curved fa