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Pipeline rehabilitation and transport at the forefront in WA

 A greenlight on the Forrestfield-Airport Link 

The $1.86 billion METRONET Forrestfield-Airport Link, jointly funded by the federal and WA state governments, is set to deliver a new rail service to the eastern suburbs of Perth – with three new stations at Redcliffe, Airport Central and High Wycombe.

A large degree of progress has been made since mid-2021, with works continuing to prepare the tunnels formed using the impressive tunnel boring machine (TBM) for everyday use having been completed. As reminder of the monumental achievement of building WA’s longest tunnels, the 70-tonne TBM has taken on a new life as a industrial sculpture standing proudly at the entrance to the High Wycombe Station precinct.

More recently, Airport Central and Redcliffe stations have undergone safety testing as part of a tunnel ventilation tests which are critical to gauging the tunnel’s safety in emergency scenarios. 

APA Group’s Northern Goldfields Interconnect kicks off construction

Nacap has kicked off construction, on behalf of APA Group, on the approximately 580 km long DN300 Northern Goldfields Interconnect (NGI). Nacap’s crews have begun to mobilise the site and the project is set to build momentum throughout the coming months as activities kick-off across the project.

The Northern Goldfields interconnect project involves the construction of a new buried pipeline, commencing at Ambania approximately 50 km east of Geraldton, connecting into the existing Goldfields Gas Pipeline (GGP), approximately 40 km south of Leinster.

APA Group’s investment in the NGI will help stimulate significant economic development within WA and has the potential to unlock hundreds of millions of dollars of investment in the Goldfields region. The region is rich in gold, potash and battery minerals such as vanadium, nickel and rare earths.

Rehabilitating pipes for Perth 

WA’S Water Corporation is currently undertaking works to renew ageing water pipes across Perth as part of the Pipes for Perth program. Works include the rehabilitation of approximately 700 m of ageing water pipelines in Kings Park between Mount Eliza Reservoir and Bellevue Terrace

Stage one of the works has commenced as of late June 2022 and is anticipated to take around four months to complete. Following the completion of stage one, stage two will begin and is planned to commence in early October 2022 excluding any delays due to weather events. Stage two is expected to take around two months to complete.

The goal of the Pipes for Perth program works is to help ensure the reliability of water supply to the Perth CBD and the surrounding areas for decades to come. 

Rob Carr sits firmly in the driver’s seat for Quinns Main Sewer Extension 

Robb Car was awarded the contract to deliver the Quinns Main Sewer Extension for Water Cooperation in 2021.

The first stage of the project was completed over 10 years ago and the extension is set to add approximately 2 km of new 1,800 mm diameter sewer as well as the construction of six new sewer access chambers and two new vortex chambers. 

Robb Carr began micro-tunnelling in early April 2022, with construction expected to conclude in February 2023. The contractor is utilising its Herrenknecht micro-tunnel boring machine (MTBM) to complete the DN1800 pipeline works.

This article featured in the August edition of Trenchless Australasia. 

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