The S1 main sewer was constructed a century ago and currently services more than 60 per cent of Brisbane.

Vital maintenance has already occurred on the section from James Street, Fortitude Valley along Kingsford Smith Drive, Hamilton, to the Eagle Farm pump station between March 2015 and September 2020.

The final section of the S1 main sewer along Kingsford Smith Drive: Hunt to Cooksley Streets has been completed in December 2022.

Relining

The sewer has been  relined using a polyethylene liner reinforced with steel ribs to renew the structural integrity and flow capacity of the pipeline.

The liner has been delivered to site on spools as a continuous steel reinforced polyethylene strip (profile). It has been installed using a winding machine placed in an existing maintenance hole or access chamber.

The winding machine has taken the liner profile strip and has wound in a continuous helix, welding the profile edges together. After installation, the liner has been encased with cement grout to fill the gap between the liner and the existing pipeline wall.

The spiral relining process has allowed the work to be completed while some flow has been still present in the sewer and has avoided the need for sewage diversions or isolations. In addition, spiral relining has required a relatively small site footprint and limits construction impacts.

For information about the S1 trunk sewer relining project, you can:

  • read the project fact sheet for the Hunt to Cooksley Streets section
  • contact the project team on 13 26 57 during business hours or email community.feedback@urbanutilities.com.au
  • phone 13 23 64 after hours
We appreciate your patience and understanding during this essential work.

Urban Utilities is committed to excellence in water and sewerage services that enhance the liveability of our communities. The S1 main sewer was constructed a century ago and currently services more than 60 per cent of Brisbane. The main sewer pipe is up to 1.5m in diameter and lies 20m — the equivalent of eight storeys — beneath the ground. 

The upgrade of the S1 main sewer has involved replacing or modifying existing maintenance holes and relining sections of the pipe along Kingsford Smith Drive (KSD).

KSD connects the suburb of Pinkenba to the Central Business District (CBD) at Breakfast Creek. It’s one of the busiest roads in Brisbane and carries an average of 70,000 vehicles per day. However, it’s not only vehicles that make their way along KSD. A critical Urban Utilities asset runs under the road – the S1 trunk sewer.

The S1 sewer is our largest sewer which runs from Coronation Drive to Luggage Point, through the Brisbane CBD. It transports over 60 per cent of Brisbane’s sewage, and protecting this critical asset is essential to the sustainable operation of the sewerage network.

Following relining works beneath KSD, vital maintenance commenced along Ann Street and Breakfast Creek Road to improve performance and ensure the stability of the network. 

The section from James Street, Fortitude Valley, along Kingsford Smith Drive, Hamilton, to the pump station at Violet Street, Eagle Farm, needs essential rehabilitation and will be relined with a steel reinforced polyethylene pipe, using trenchless technology. 

Photos showing relining work

 

Sewer relining works in progress

 

S1 crew conetopping a maintenance hole

 

Grouting machine in action

The new liner being inserted into the sewer main

 

The new S1 main sewer liner

 

  • The S1 main sewer was constructed a century ago and currently services more than 60 per cent of Brisbane.
  • The S1 sewer is our largest sewer which runs from Coronation Drive to Luggage Point, through the Brisbane CBD. 
  • The S1 Main Sewer Catchment area covers about 22,800 hectares, servicing the Brisbane CBD, New Farm, Woolloongabba, St Lucia and West End.
  • The main sewer pipe is up to 1.5m in diameter and lies 20m — the equivalent of eight storeys — beneath the ground. 
  • Condition monitoring and subsequent investigations has confirmed the need to rehabilitate the 5.8 kilometre S1 Main Sewer from James Street, Fortitude Valley to the Eagle Farm Pump Station.

S1 sewer construction - Pinkenba 1920

Inside the S1 sewer

Inside the S1 sewer

Inside the S1 sewer