The Regional Rail Link is one of Australia’s largest public transport infrastructure projects and Melbourne City’s first new major rail line in 80 years.

The City to Maribyrnong River works extends between Southern Cross Station and Hopkins Street, Footscray. The project was delivered as an alliance by the V/Line, Metro Trains Melbourne, AECOM, AbiGroup, Coleman Rail, GHD, John Holland Rail and the Regional Rail Link Authority.

Briefly, the work comprised of:

  • Installation of two new tracks over 4.5km to separate metropolitan and regional trains;
  • Construction of a new rail overpass over the Maribyrnong River and associated flyovers;
  • Bridge modifications at Dynon Road and Lloyd Street;
  • A new track rail bridge over Dudley Street in West Melbourne;
  • Extensive track reconfiguration between La Trobe Street and North Melbourne;
  • Upgrade of signaling systems; and
  • Architectural, urban design and landscape treatments along sections of the rail corridor

In October 2012, Projex Group worked very closely with the alliance partners for the supply and delivery of 13 000 m2 of 10mm and 20mm Projex Damtec Sub Ballast Matting (SBM) in accordance with the relevant standards.

A combination of the SBM was installed on bridges, culverts, viaducts & flyovers.

The SBM was primarily used to protect the structures from the acoustic/vibration transmissions & the effect of primary & secondary emissions from rail operations.

The installation of the sub ballast mat on the Regional Rail Link has proven an immense success, considerably reducing noise and vibration especially where high rail operations are extremely problematic.

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