Northern wastewater pipelines

​​As we build our new community in Peacocke we need to make sure we put the right infrastructure in place at the right time, like pipes for our wastewater.

Work is under way to build two new wastewater pipelines to connect the new Peacocke ​neighbourhood in the south-west with Hamilton's existing wastewater network. Council has contracted CB Civil to do this work. 

The 5.5km pipes will run from Cobham Drive (SH1), along the East Town Belt and Wairere Drive and connect to the existing wastewater network near Crosby Road. The pipeline will eventually link up with a new pump station to be built in Peacocke. 

Together these two new pipes can move up to 325 litres of wastewater per second! That's the same as filling one paddling pool every second.

How are we doing it?

We're using a combination of open trenching and directional drilling to build the pipeline.

  • Open trenching involves digging a channel and laying the pipe inside it. This will be used along the East Green Belt and alongside roads.
  • Directional drilling involves using a drilling machine to push and pull the pipes underneath the ground. This will be used where digging a trench would be too disruptive, like crossing major roads and train lines.​


Work to install the pipeline started in early November 2020 and will take nearly two years. The project is expected to be completed in 2022. The work is being done in stages, with each stage taking two to three months to complete.

Here's a general timeframe for when we'll be working in each area:

East Town Belt (Flynn Park to Marist Park): November 2020 to September 2021

Ruakura (Ruakura Road to Tramway Road): March 2021 to October 2021

Tramway Road (south of Fifth Avenue): August 2021 to January 2022

Wairere Drive (Tramway Road to Carrs Road): October 2021 to June 2022​

We'll have more information about construction in each area closer to the time. We'll do our best to make sure there's as little disruption to the surrounding neighbours, roads, parks and cycleways as possible during construction.​​​

What's happening now

East Town Belt (Flynn Park to Marist Park)

We are now in the final stages of completing the East Town Belt works, five months ahead of schedule. We've got a few final bits to finish in the next month. This includes field drainage, bollard installation and site fencing removal. We'll also be replanting any trees and vegetation that have been removed during construction.

Ruakura (Ruakura Road to Tramway Road)

We've established our construction site near the Ruakura substation (just north of Ruakura Road) and have begun installing the pipe. We're expecting to finish work in this area in late June.

Tramway Road (south of Fifth Avenue)

Footpath closure. East Street to Tramway Road

We've completed potholing to help us confirm where all the underground services are located, like power, water and gas. 

From 24 May, we're starting drilling work under the walkway on the western side of Wairere Drive, between East Street and Tramway Road.

The work is expected to take approximately two months and the walkway will be closed during this time. 

We are working with the local schools to ensure access for students during construction. 

We can accommodate access for essential users with prior notice, please get in touch with our team to arrange this.

Note that the Wairere Drive underpass walkway will remain open throughout this stage of our works.

Wairere Drive (Tramway Road to Carrs Road)

We've started installing the new pipes underneath Wairere Drive (just south of the Carrs Road underpass). We're using the directional drilling method in this area. At the same time, we're installing the pipelines along the western side of Wairere Drive between Fifth Avenue and Carrs Road. This work involves open cut trenching in the grass berm.

Lane closure and speed reductions on Wairere Drive (from Fifth Ave to Carrs Road)

To keep our workers and road users safe during construction, from 17 May we are closing one northbound lane on Wairere Drive and reducing the speed limit to 60km per hour. This will be in place for the entire trenching works (five months).

Closure of the Alderson Road underpass

The Alderson Road underpass will be closed from 17 May for approximately two months while we install the pipelines in the area. We are working with the local schools to ensure access for students during this time. We can accommodate access for essential users with prior notice, please get in touch with our team to arrange this.

Get in touch

If you have any questions about construction, please get in touch with CB Civil:

Phone: 0508 779 4636 - 0508 PSW INFO

Page reviewed: 13 May 2021 4:27pm