well as it being positioned above several transfer
beams above the deep basement below.
Atrium Foof/Façade
The atrium roof support structure spans between
the two towers with tension rods supporting the
hanging 9-storey glass curtain wall as well as the
four hanging steel-framed meeting pods. The
support girder had specific, carefully considered,
camber requirements to ensure deflection into
final position as the load from the construction
sequence continued to be added. At each stage of
sequential loading a survey was conducted on this
48
structural steel structure to compare anticipated
movement with the theoretical design values.
The design required a 3m deep girder spanning
24.5m with large heavy H sections as members.
The resulting weight and the pre-assembled,
pre-camber, requirement created challenges in
installing this member into place on site. A 180
ton crane was used to lift the 11 ton girder from
Oxford Road reaching across the site by 55m to
the final installation position.
As Rosebank becomes a sought after desti-
nation for P grade office developments, 144 Oxford
has set the standard for others to follow.
144 on Oxford