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Triplets

Triplets

Client:
QIC

Location:
Brisbane, QLD

Status:
Design

Floor Area:
NLA 37 000 sqm

Contact Person:
Ray Brown

Triplets is a high-rise commercial building designed to redefine its precinct in Brisbane’s CBD. The design is driven by a social imperative to provide strong connections between the workplace and public spaces that are engaging and accessible to the city worker along with visitors, whilst becoming a vital part of a diverse city fabric.

The major initiative in the urban design of the precinct is to reconnect Charlotte and Mary Streets though the provision of a pedestrian only public street. This cross-block link connects the base of 3 major existing commercial buildings and opens up large parts of the ground floor to active uses. The street significantly expands the publicly accessible ground plane and active frontages, and provides an easily traversable inter-street connection that is an important component in creating a `walkable’ city.

The architecture of the new tower is distinctly different from all 3 existing buildings. The form is conceived as a composition of three forms – a shaft mainly containing the service core on the eastern side of the site from which the low-rise and high-rise blocks are seemingly suspended. Its simple layered approach draws on the older buildings that form the fabric of surrounding streets. Efficient materials with modest decorative elements embedded in their fabric reflects the approach of its predecessors yet is an expression of contemporary Brisbane.

The sites close proximity to the existing tower at 54 Mary Street creates the opportunity for a naturally ventilated landscaped atrium activated with pop-out office pods, landscaped balconies and inter-floor access stairs. The office lobby is accessed from a landscaped cross-block link that passes below the atrium.

The low-rise office floors are relatively small at 965 m² and match the height of 54 Mary Street. Above this height a landscaped terrace at the transfer level separates the volume of the high-rise from the low-rise. The terrace provides additional amenity for the occupants and reduces the mass of the tower. The high-rise floors increase to 1250 m² by stepping out over the atrium and the 54 Mary Street facade, creating an elegant and dynamic composition on the skyline. The tower is capped by a second landscaped roof terrace protected from wind by a curtain wall system.

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Client:
QIC

Location:
Brisbane, QLD

Status:
Design

Floor Area:
NLA 37 000 sqm

Contact Person:
Ray Brown