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NEPA Darebin Rail UnderPass

Client

Laing O'Rourke/Fulton Hogan

Year

2017-2018

Location

Heidelberg, Melbourne

Tunnelling Solutions completed the Darebin Rail Underpass (under Darebin Road and Hawdon Street in Heidelberg, Melbourne) for the North East Program Alliance – which includes Lang O’Rourke, Fulton Hogan, Jacobs, Metro Trains Melbourne and Level Crossing Authority.

The construction of an adjacent tunnel next to the an existing rail tunnel built in 1912 was provided as a Design and Construct solution for our client. Total length of the underpass is 70m.

Differing support types were used to address low cover and proximity to critical services including gas main, water main and various telecommunications. Support of works included a combination of steel ribs with shotcrete; spile bars; rock bolts; soil nails; and canopy tubes (DN300mm – 9 no. each 36m long).

Tunnel construction was completed on time with no disruption to the existing rail line and zero settlement recorded on surrounding roads.

The project team did exceptional job and were recognised for this outstanding achievement.

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