Half of Hobart’s daily flushes between Taroona and New Town will soon take a new route to the sewage treatment plant as work starts on a new underground pipeline.
A key part of TasWater’s Selfs Point Sewer Transformation Project, the new 4.3-kilometre pipeline will carry 12 megalitres of sewage per day from Macquarie Point to the soon-to-be upgraded and expanded Selfs Point Sewage Treatment Plant.
Acting General Manager Project Delivery Tim Cubit said Hobart commuters would notice increased activity around Lower Domain Road over the next few months.
“The northern end of Lower Domain Road, near the Domain Highway, is busy at the moment – we have trucks transporting pipes, materials and equipment in preparation for the start of trenching works,” Cubit said. “While digging a trench for a 4.3-kilometre pipeline is a big job, we don’t expect this initial activity to cause significant disruptions to traffic. However, minor delays may occur this week and next as we prepare the site.”
Cubit said the trenching and pipeline construction works would begin in the next fortnight and continue until April.
Once completed, the new pipeline forms a key part of the transformation project, which will significantly improve Hobart’s sewerage network and environmental outcomes for future generations.
The project will see the existing Macquarie Point Sewage Treatment Plant decommissioned and replaced with a more compact state-of-the-art pump station. At the same time, the existing Selfs Point Sewage Treatment Plant will be upgraded and expanded.
“This project, including the new pipeline, will transform how we manage Hobart’s sewage, unlock the potential for further city growth, and increase our sewage treatment capacity,” Cubit said.
TasWater is partnering with the Tasmanian Government on the $314 million project. The State Government is investing $224 million, and TasWater is contributing $90 million to the relocation. In addition, TasWater is investing a further $66 million in upgrades to the Selfs Point site to prepare for the future removal of three more sewage treatment plants situated along the Derwent.
The project will create an estimated 3,420 direct and indirect jobs and generate an estimated $1.1 billion in economic activity in the state.
Once complete, the upgraded plant will treat up to 25 megalitres of wastewater daily and reduce nitrogen and phosphorus entering the Derwent River by 50 per cent.
TasWater is investing $1.9 billion in its network over the next five years to ensure it can continue to deliver exceptional water and sewerage services for a thriving Tasmania.
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