Wolli Creek and T8 Airport Line Power Supply Upgrade

Image of Wolli Creek Station platform showing a train pulling into the station

What are we doing at Wolli Creek and on the T8 Airport Line?

Upgrading the power supply will support the introduction of the new fleet of trains operating along the T8 Airport Line. It will also future-proof the connection to the Sydney Trains network, allowing more trains and services to be available to customers.

Upgrades to the power supply are along the T8 Airport Line tunnel from Central to Wolli Creek Junction.

The canopy on platforms 3 and 4 at Wolli Creek Station is also being extended to increase weather protection and encourage customers to use the full length of the platform, reducing crowding at busy times.

Wolli Creek substation upgrades

The scope of works for the Wolli Creek substation upgrades includes:

  • construction of a new substation at Wolli Creek Junction
  • decommissioning the Undercliffe Substation and Wolli Creek Sectioning Hut
  • upgrading an access way to the new substation and truck turning bay at the northern end of Lusty Street.

T8 Line infrastructure upgrades

The scope of works for the T8 Line infrastructure upgrades include:

  • installation and modification of new power supply cables throughout the T8 Line Airport tunnel from the Chalmers Street substation through to Green Square, Mascot and Wolli Creek stations.
  • installation of a new power supply cable between Chalmers Street Substation and the Rail Operations Centre at Green Square
  • 6km of upgraded overhead wiring in T8 Line Airport tunnel
  • signalling system upgrades in T8 Line Airport tunnel.

Wolli Creek canopy extension - now complete

During October we completed the work on extending the platform canopy at Wolli Creek Station which will increase weather protection and encourage customers to use the full length of the platform, reducing crowding at busy times.

This work involved:

  • extending the canopy to cover almost the entire length of Platform 3 and 4
  • additional CCTV and lighting for improved safety and security
  • more customer seating along the platform
  • additional digital information boards and passenger announcement system to keep customers informed about departing train services in real time.

Project update

During October, we carried out concreting for the substation structure, earthworks, electrical work, and deliveries. The project team also identified and installed services and utilities.

During November, the project team will carry out the following activities:

  • concreting for the structure of the substation
  • steel work construction for the substation
  • cable route construction
  • installation of a watermain on Lusty Street
  • drainage work
  • signalling installations.

Work on water mains in Lusty Street is planned to take place outside of these hours for one night in late November 2021.

Some deliveries may arrive outside standard construction hours but we do not expect these to be noisy. Some out of hours works may also be scheduled to ensure the safety of customers and workers and minimise disruption to customers.

The community will be notified ahead of any out of hours works

Environmental assessments including noise modelling are undertaken in preparation for construction activities and we will contact those people directly impacted by this work. Every effort will be made to minimise any construction impacts on the local community.

We thank you for your patience while we carry out this important work.

Keep in touch

We will continue to keep the community informed throughout construction with regular notifications being distributed to the community and frequent updates published here on the website.

Please contact projects@transport.nsw.gov.au if you would like to subscribe to the email distribution list for this project.

What are we doing at Wolli Creek and on the T8 Airport Line?

Upgrading the power supply will support the introduction of the new fleet of trains operating along the T8 Airport Line. It will also future-proof the connection to the Sydney Trains network, allowing more trains and services to be available to customers.

Upgrades to the power supply are along the T8 Airport Line tunnel from Central to Wolli Creek Junction.

The canopy on platforms 3 and 4 at Wolli Creek Station is also being extended to increase weather protection and encourage customers to use the full length of the platform, reducing crowding at busy times.

Wolli Creek substation upgrades

The scope of works for the Wolli Creek substation upgrades includes:

  • construction of a new substation at Wolli Creek Junction
  • decommissioning the Undercliffe Substation and Wolli Creek Sectioning Hut
  • upgrading an access way to the new substation and truck turning bay at the northern end of Lusty Street.

T8 Line infrastructure upgrades

The scope of works for the T8 Line infrastructure upgrades include:

  • installation and modification of new power supply cables throughout the T8 Line Airport tunnel from the Chalmers Street substation through to Green Square, Mascot and Wolli Creek stations.
  • installation of a new power supply cable between Chalmers Street Substation and the Rail Operations Centre at Green Square
  • 6km of upgraded overhead wiring in T8 Line Airport tunnel
  • signalling system upgrades in T8 Line Airport tunnel.

Wolli Creek canopy extension - now complete

During October we completed the work on extending the platform canopy at Wolli Creek Station which will increase weather protection and encourage customers to use the full length of the platform, reducing crowding at busy times.

This work involved:

  • extending the canopy to cover almost the entire length of Platform 3 and 4
  • additional CCTV and lighting for improved safety and security
  • more customer seating along the platform
  • additional digital information boards and passenger announcement system to keep customers informed about departing train services in real time.

Project update

During October, we carried out concreting for the substation structure, earthworks, electrical work, and deliveries. The project team also identified and installed services and utilities.

During November, the project team will carry out the following activities:

  • concreting for the structure of the substation
  • steel work construction for the substation
  • cable route construction
  • installation of a watermain on Lusty Street
  • drainage work
  • signalling installations.

Work on water mains in Lusty Street is planned to take place outside of these hours for one night in late November 2021.

Some deliveries may arrive outside standard construction hours but we do not expect these to be noisy. Some out of hours works may also be scheduled to ensure the safety of customers and workers and minimise disruption to customers.

The community will be notified ahead of any out of hours works

Environmental assessments including noise modelling are undertaken in preparation for construction activities and we will contact those people directly impacted by this work. Every effort will be made to minimise any construction impacts on the local community.

We thank you for your patience while we carry out this important work.

Keep in touch

We will continue to keep the community informed throughout construction with regular notifications being distributed to the community and frequent updates published here on the website.

Please contact projects@transport.nsw.gov.au if you would like to subscribe to the email distribution list for this project.

Page last updated: 01 November 2021, 10:51