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Tunnelling

Because sometimes the best solution is "just go under it."

At Witt Consulting, we transform complex underground challenges into safe, functional, and lasting tunnels.

By seamlessly integrating planning, geotechnical analysis, design, and project management, our multidisciplinary team leverages civil, structural, and geotechnical expertise to deliver innovative engineering solutions that work in the real world.

Sydney Metro West - Western Tunnelling Package

The project includes constructing 9 km of twin metro rail tunnels between Westmead and Sydney Olympic Park, excavating two new metro stations, and establishing a stabling and maintenance facility at Clyde, along with a precast facility at Eastern Creek.

Witt Consulting is providing consultancy services for Sydney Metro West - Western Tunnelling Package including:
-Proof engineering review for the water treatment plant slab design at
Parramatta.
-Proof engineering review for the WTP wastewater outlet design at
Westmead.
-Proof engineering review for crane and piling platforms.

Contractor: Gamuda Australia Pty Ltd

Sydney Metro West - Central Tunnelling Package

The project includes the delivery of twin 11 km tunnels and excavation of five station boxes at Sydney Olympic Park, North Strathfield, Burwood North, Five Dock and The Bays.

Witt Consulting is providing consultancy services for Sydney Metro West - Central Tunnelling Package including:
-Third party engineering design review of temporary swing gates and tri-fold
swing gates at Burwood Station.
-Proof engineering review of swing gate at Olympic Park.
-Proof engineering of temporary fencing at the Bays site.
-Proof engineering of a temporary platform adjacent to North Strathfield
Station.
-Proof engineering on a proposed temporary excavation batter at the Great
North Road and East Street, Five Dock.
-Third party proof engineering review of the HV Substation timber housing
structure at Burwood North Station site.

Contractor: Acciona Construction Australia Pty Ltd & Ferrovial Construction

Tunnel entrance/exit at WestConnex M4 East

WestConnex Stage 1B – M4 East

The WestConnex Stage 1B project highlights the importance of integrated design and engineering solutions in large-scale infrastructure. Witt Consulting’s contributions demonstrate the value of specialised geotechnical and structural support in delivering critical components of national infrastructure safely and efficiently.

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Western Harbour Tunnel P2

Witt Consulting contributed to the Western Harbour Tunnel Package 2 project by providing geotechnical inspections, modelling, construction sequence advice for rock face stability assessment and temporary works designs.

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Western Harbour Tunnel site