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Suburban Rail Loop East – Cheltenham

Suburban Rail Loop East – Cheltenham

Underground Service Locating and Mapping

Project: Suburban Rail Loop East – Cheltenham

Principal Contractor: CPB Contractors and ACCIONA

The Suburban Rail Loop East is Victoria’s largest transport infrastructure project, connecting Melbourne’s middle suburbs via a new 26-kilometre underground rail line from Cheltenham to Box Hill. Cheltenham is the southern terminus of the SRL East tunnels, with works forming part of the AU$3.6 billion tunnelling and station package delivered by the Suburban Connect consortium of ACCIONA, CPB Contractors and Ghella. Crews at Cheltenham are relocating underground services and clearing the site of a former petrol station to prepare the ground for tunnelling and the new underground station, with tunnel boring machines launching from nearby Clarinda to build the tunnels through to Cheltenham. Cheltenham is also one of three southern stations, alongside Clayton and Monash, planned to connect passengers to the orbital rail network from 2035.

Key aspects of the project include:

  • Relocation of underground services and site preparation ahead of tunnelling and station construction
  • Remediation and clearing of a former petrol station site
  • Construction of a new underground Suburban Rail Loop station at Cheltenham, the southern terminus of the SRL East tunnels
  • Delivery by the Suburban Connect consortium of ACCIONA, CPB Contractors and Ghella

HCS is engaged on the project to provide Underground Service Locating services.

Suburban Rail Loop East – Clayton

Suburban Rail Loop East – Clayton

Underground Service Locating and Mapping

Project: Suburban Rail Loop East – Clayton

Principal Contractor: CPB Contractors and ACCIONA

The Suburban Rail Loop East is Victoria’s largest transport infrastructure project, connecting Melbourne’s middle suburbs via a new 26-kilometre underground rail line from Cheltenham to Box Hill. The Clayton works form part of the AU$3.6 billion tunnelling and station package awarded to the Suburban Connect consortium, comprising ACCIONA, CPB Contractors and Ghella, covering 16 kilometres of twin tunnels between Cheltenham and Glen Waverley and two new underground station boxes. At Clayton, crews have completed all 123 reinforced concrete diaphragm wall panels forming the station box and the underground passenger connection to the existing Clayton Station, clearing the way for excavation to begin. The new Clayton station is planned to connect passengers to the orbital rail network from 2035.

Key aspects of the project include:

  • Construction of a new underground Suburban Rail Loop station box at Clayton
  • 123 reinforced concrete diaphragm wall panels providing structural support and groundwater control for deep excavation
  • An underground passenger connection to the existing Clayton Station
  • Delivery by the Suburban Connect consortium of ACCIONA, CPB Contractors and Ghella

HCS is engaged on the project to provide Underground Service Locating services.

Ferris Road Level Crossing Removal (LXRP)

Ferris Road Level Crossing Removal (LXRP)

Underground Service Locating and Mapping

Project: Ferris Road Level Crossing Removal (LXRP)

Principal Contractor: Fulton Hogan

The Ferris Road Level Crossing Removal replaces a dangerous and congested level crossing in Melton, in Melbourne’s outer west, with a new road bridge over the rail line. The project was delivered by an alliance including Fulton Hogan, Metro Trains Melbourne, V/Line and the Level Crossing Removal Project (LXRP), as part of a $229 million contract that also covers the Hopkins Road level crossing removal in Truganina. The new bridge includes a separated pedestrian and cycling path, replacing boom gates that around 16,000 vehicles a day previously had to navigate. The new road bridge opened to traffic in July 2026, forming part of the broader Melton level crossing removal program alongside the Coburns Road and Exford Road projects.

Key aspects of the project include:

  • New road bridge over the rail line, removing the Ferris Road level crossing
  • Separated pedestrian and cycling path built into the new bridge
  • Part of a $229 million alliance contract covering Ferris Road and Hopkins Road
  • Removes boom gates used by around 16,000 vehicles a day

HCS is engaged on the project to provide Underground Service Locating services.

Southern Apron Expansion

Southern Apron Expansion

Underground Service Locating and Mapping

Project: Southern Apron Expansion

Principal Contractor: Fulton Hogan

The Southern Apron Expansion delivered 13 hectares of new airfield pavement and services at Melbourne Airport, undertaken by Fulton Hogan for client Australia Pacific Airports Melbourne (APAM). The $92 million project was divided into two main areas of work, the Southern Apron Expansion and the Sierra Apron Infill, and included 23 new Code C aircraft parking bays along with the relocation of freight aircraft operations. Works comprised 27,000 square metres of asphalt and 110,000 square metres of concrete pavement construction, carried out in a live airside environment. The project was completed with no unplanned impact on aircraft operations, including over the Christmas period, and the Sierra Apron Infill opened for operations more than a year ahead of the contracted end date.

Key aspects of the project include:

  • 13 hectares of new airfield pavement and services
  • 23 new Code C aircraft parking bays and relocated freight aircraft operations
  • 27,000 square metres of asphalt and 110,000 square metres of concrete pavement
  • Delivered in a live airside environment with no unplanned impact on aircraft operations

HCS is engaged on the project to provide Underground Service Locating services.

Taxiway Zulu Program

Taxiway Zulu Program

Underground Service Locating and Mapping

Project: Taxiway Zulu Program

Principal Contractor: Fulton Hogan

The Taxiway Zulu Program delivers a major new taxiway network in the northern precinct of Melbourne Airport, undertaken by Fulton Hogan for client Australia Pacific Airports Melbourne (APAM). The $140 million project includes 270,000 square metres of new, extended and realigned taxiway pavement, enabling future expansion of the international terminal and supporting a future third runway. Works include demolishing existing taxiway infrastructure, excavating 250,000 cubic metres of material, and placing 37,000 cubic metres of new concrete taxiway pavement. The project also involves upgrading the Airfield Ground Lighting, constructing a new Airfield Lighting Equipment Room, and mobilising an onsite concrete batching plant.

Key aspects of the project include:

  • 270,000 square metres of new, extended and realigned taxiway pavement
  • Excavation of 250,000 cubic metres of material and placement of 37,000 cubic metres of concrete pavement
  • Upgraded Airfield Ground Lighting and a new Airfield Lighting Equipment Room
  • Supports future expansion of the international terminal and a future third runway

HCS is engaged on the project to provide Underground Service Locating services.

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