Adept completes bore for Sunbury Line

Adept Civil has completed another rail crossing out at Keilor Plains for Multiworks as part of the Sunbury Line upgrades.

Adept Civil was contracted by Multiworks, who has partnered with Metro Trains Melbourne (MTM), to deliver major upgrade works at the Tottenham Substation as part of the Sunbury Line Upgrade and Metro Tunnel Projects. e scope of the project was to tunnel using a micro-tunnel boring machine (mTBM) under the Sunbury Line during an occupation for Multiworks.

“Great results out at Keilor plains substation, delivering yet another complex and critical rail crossing,” microtunnelling supervisor Maddison Corrie says.

Adept installed a 376 mm GRP sleeve to carry 2 x 100 mm conduits for the power upgrades, which are taking place in and adjacent to the rail corridor as part of works to boost electrical capacity along the Sunbury Line.

As part of the upgrades, an electrical substation on Sydenham Rd Delahey is being built to provide essential power for bigger, more modern trains to run along the line. e Sunbury Line Upgrade includes power upgrades that will allow bigger, more modern trains to run on the Sunbury Line.

An extension to the existing electrical substation at Tottenham station is required to improve the capacity, reliability and frequency of services for passengers. e new trains are a vital component to the expansion of Melbourne’s metropolitan rail network, and will greatly improve the capacity, reliability and frequency of Sunbury Line train services.

Adept successfully completed the 15 m bore on-line and grade with the axis boring machine, using a 400mm tricone rock head in extremely hard basalt ground conditions. e $2.1 billion Sunbury Line Upgrade will see various upgrades within the rail corridor extending from Sunbury to Footscray. ese enhancements are needed to take full advantage of the extra capacity created by the Metro Tunnel and for more modern trains to run on the Sunbury Line.

Adept installed a 376 mm GRP sleeve to carry 2 x 100 mm conduits for the power upgrades at the Tottenham Substation.

Adept Civil completed the 15 m bore on-line and grade with the axis boring machine for the Sunbury Line Upgrade project.

For more information visit www.adeptcivilgroup.com.au