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Adept completes bore for Sunbury Line

Adept Civil

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

Adept 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.

The 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 said last Friday. 

Adept Civil
Image: Adept Civil

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.

The 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.

For more information visit the Adept Civil website.

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