Narre Warren North Road is located within the south-eastern suburb of Narre Warren North. The project forms part of the Major Road Projects Victoria (MRPV) Suburban Roads Upgrade (SRU) Program. The upgrade works comprise constructing an additional lane, upgrading the intersection, improving safety by adding new traffic lights, installing new safety barriers, and constructing new walking and cycling paths.
Tonkin + Taylor was engaged by Arcadis, who were the lead Civil Consultant on the project, to provide geotechnical and pavement design consultancy services during the design and construction stages.
Tonkin + Taylor’s project scope also included a Utility impact assessment, which evaluated the vibration impacts of construction and permanent works on existing assets.

Services

  • Detailed design of interpretation of ground conditions
  • Supplementary site investigations
  • Ground improvements (deep and shallow), including earthworks
  • Pavements
  • Retaining walls
  • Foundation assessment for gantries, culverts.

Client

  • McConnell Dowell

Year

  • 2021 – current (completion 2025)
Several utilities within the road alignment were retained following extensive assessments demonstrating tolerable impacts on the utilities, and through coordination with the asset owners to achieve these outcomes.
Tonkin + Taylor delivered multiple innovative solutions on this project, including:
  • Based on the tolerable loadings that could be imposed on the utilities along the road alignment, the pavement designs were adjusted to meet the design life requirement while also satisfying the asset owner’s criteria for asset protection.
  • Tonkin + Taylor also provided timely advice on soft-ground issues encountered during construction, resulting in minimal time delays.
We also contributed to positive sustainability outcomes by incorporating emesh as an alternative to steel mesh in footpath and SUP designs, and by using high RAP contents in asphalt, working in conjunction with the project team to achieve these outcomes.
Narre Warren North Road is located within the south-eastern suburb of Narre Warren North. The project forms part of the Major Road Projects Victoria (MRPV) Suburban Roads Upgrade (SRU) Program.

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