Location, sustainability and lifestyle are all key facets of this mixed-use precinct – where business and lifestyle unite. The Hamilton Harbour Development enjoys prime exposure to Kingsford Smith Drive and views along the Brisbane River.

Client:
Leighton Properties / Devine Ltd
Architect:
Cox Rayner

Robert Bird Group Services:
Structural Engineering

Key technical challenges

  • The primary tower structure consists of a composite slab and beam structure. Due to the long beam spans and thin slab, extensive analysis for footfall vibration was required to ensure the structure achieved code requirements and client expectations.
  • Working with the existing structure and developing design solutions that strengthened rather than demolished.
  • Extensive co-ordination with the mechanical engineer to develop a strategy that minimised beam penetrations and beam notches.
  • Differential shortening analysis with consideration of mega truss, steel structure, concrete structure and existing structural elements

Environmental performance

  • 5 Star Greenstar
  • 5 Star NABERs Energy and 4 Star NABERs Water ratings.

The project includes three residential towers to 22 levels plus a commercial tower with ground level retail and restaurant precincts. The project also includes a four-level basement car park servicing all towers.

Significant and interesting aspects of the project and Robert Bird Group’s role include the following:

  • The four-level basement layout was configured to avoid excavation under the residential towers, thereby minimising transfer structures. All towers are linked to the basement carpark at Basement 1 level.
  • The basement shoring walls are designed as cut-off walls to avoid the use of an expensive hydrostatic slab at Basement 4 level.
  • Flat plate post-tensioned slabs were used throughout the development to maximise headroom and minimise floor-to-floor heights.

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