The first major integrated road and rail project undertaken in southeast Queensland
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KBR, as a partner in the Horizon Alliance, designed and delivered the A$800 million Darra to Springfield Transport Corridor - Stage 1 project — the first major integrated road and rail project undertaken in southeast Queensland. This project involved the construction of a new 4.5 km passenger railway line and the duplication of 4.3 km of major highway to expand the road from two to four lanes.
KBR, in collaboration with GHD, provided design services encompassing project planning, project definition work, detailed design, construction support, commissioning, stakeholder engagement and project verification services.
In addition to the major components noted above, the scope of works included:
- Reconfiguration and improvement of two existing transport interchanges
- Significant upgrade and improvement to adjacent local roads
- A four-bay bus interchange facility and a two-story parking facility accommodating 650 vehicles
- Shared pedestrian/cyclist path running the full length of the project
- Associated drainage works including water quality provisions
- Noise mitigation measures, with 12,000 square meters of barriers up to 5 meters high
- Retaining walls of 18,000 square meters total area and up to 10 meters high
- Road–rail separation barriers of 3 kilometers total length
- 12 bridges (six road, four rail and two pedestrian)
- The team’s flexible response to client requests resulted in additional optioneering beyond the original base case with minimal increase in time and resources.
- Innovative design solutions reduced costs and construction impacts, and enhanced environmental outcomes.
- Significant savings were achieved through the revision of the road and rail alignment to optimize earthworks.
- The Springfield Link Bridge, a 58-meter steel tied arch structure, won a 2009 Australian Steel Institute (Queensland) Steel Award.
- The Horizon Alliance won the Team of Excellence in a Project Alliance in the 2011 Alliancing Association of Australia Awards.