Watercare’s team continues to make great progress on the Judges Bay wastewater upgrades, with excavation works for a new pump station complete and the installation of a new rising main underway.
The $13.2 million project is the permanent solution to a broken wastewater pipe deep below the Parnell Rose Gardens that was discovered after the 2023 summer storms.
The permanent solution consists of a small prepackaged submersible wastewater pump station, a rising main, and a gravity sewer.
“We did consider the possibility of installing a new gravity sewer main beneath the rose garden. However, it was not feasible as our crews would have needed to install the pipeline 28 metres underneath the rose garden – making future access to the pipeline difficult,” Andrew Deutschle, head of wastewater planning, said
Deutschle said once the project is finished the long-term black pin on Safeswim website – advising against swimming at Judges Bay – will be lifted as wet weather overflows will be greatly reduced.
“This is because even with the temporary bypass in place, Judges Bay is susceptible to overflows, so the black pin will remain in place until our new infrastructure is operational.
“This project not only addresses the damage caused during last year’s floods, but it also adds capacity to the local network and means we’ll have fewer wet weather overflows than we had even before the floods.”
Project manager Frank Lin said the project is expected to be completed and in service next winter.
“Activities on the project are progressing nicely. We have almost finished digging the grounds for the pump station, which is expected to arrive in late January.
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“When the pump station arrives, it will be installed into an excavated 8.5 metre deep pit and will be connected into the existing network and the rising main we are installing.
“Once the pump station is brought into service, it will be able to pump 30 litres per second which will help to reduce the likelihood of wastewater overflows at Judges Bay in wet weather.”
Lin said construction partner Pipeline & Civil is working at pace to get most of the rising main installed before Christmas.
“During the Christmas and New Year break, all traffic management and parking restrictions will remain in place down Judges Bay Rd to keep people safe and allow easy access for people to enjoy the Parnell Baths over the summer.
“Resident vehicle access will remain open for residents, their guests, and service providers. Pedestrian access will always be maintained along Judges Bay Road and Bridgewater Road during these works .”
