The refurbishment element of the buildings consists of a deep refurbishment and contains very little structural works as the walls are all non-loadbearing. However the concrete framed building contained the challenge of removing the concrete shear walls and stairs at the third floor to open out the space for teaching.
A new atrium
The new atrium roof is a braced steel frame, utilising fabricated trusses to span the distance between the two buildings. All of these are set at angles across the building to run parallel with the full width roof lights and are supported on trusses fixed to the sides of each of the existing buildings. This was supported on top of or to the side of existing columns of each building to limit the amount of justification of existing structure that needed to be undertaken. Further works include moving the lift shaft from one side of the atrium to the other and replacing the large staircase at the end. A new steel framed elevated walkway between the two buildings is also provided.