35 Spring Street


The 35 Spring Street Melbourne project is a 45-level tower incorporating 270 luxury apartments and occupies an extraordinary position the corner of Spring Street and Flinders Lane, Melbourne opposite the Treasury Gardens.

Deeper frames at street and the upper podium level reveal glimpses into the ground level lobby and pool area on Level 9. These are compelling contemporary spaces, full of light, focused on street activation and linked to the Treasury Gardens beyond.

The ground floor has a projecting glazed canopy along the Spring Street frontage and provides two well-defined entrances. The residential lobby is entered via a double-height threshold near the corner of Spring Street and Flinders Lane. The lobby lounge occupies the corner and provides both a social space and a meeting place for visitors

We provided full structural and civil engineering services for Deep Basement in relatively hard rock approximately 20mm, near Melbourne underground rail tunnels:

  • 6 basement levels
  • Top down construction used to speed up the deep excavations
  • Water encounted at Basement 3
  • Basement close to Murl tunnel
  • 2 deep transfer at level 4 that support the tower
  • Large open column grid

Year Completed:
RBG Client:
CBus Property Pty Ltd

Primary Contractor:
Brookfield Multiplex Pty Ltd
Bates Smart
Robert Bird Group Services:
Structural engineering
Civil engineering

Additional Information

Additional information is available for you to view regarding services and sectors RBG provide.


Robert Bird Group provide outstanding innovative and buildable structural design solutions in all sectors across the globe.


Robert Bird Group’s Civil Engineers provide engineering design services from concept and planning through detailed design on to construction and maintenance, with the potential for ongoing management and advice for the operating life of a project.


Residential developments define the modern city – where and how we live drives urban spread, social cohesion, and plays a huge part in quality of life, for all of us.

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