Concrete progress sets in for KI desalination plant

11-04-2023

Concrete progress sets in for KI desalination plant

Construction on Kangaroo Island’s new seawater desalination plant has ticked off another significant milestone, with the site’s first major concrete pour now complete.

Additionally, more than 70 metres of temporary causeway is now in place off the coast of the plant, that once completed, will help crews to lay the new intake and outfall pipes, as part of broader marine works.

The new two megalitre a day capacity desalination plant at Penneshaw will supplement the smaller existing nearby facility and Middle River Reservoir, providing greater water security and bushfire resilience for the Island.

SA Water’s Senior Manager of Capital Delivery Peter Seltsikas said around 245 cubic metres of concrete has been poured at the plant site so far.

“Having spent recent months undertaking earthworks to prepare the site for construction, getting the plant’s concrete base in the ground is an exciting step for this important project,” Peter said.

“With the first pour now on the books, further on-site concreting works for the site’s surge vessel and other plant infrastructure is set to take place later this year.”

The achievement coincides with the installation of a 14-kilometre section of trunk main between Pelican Lagoon and Haines, which once operational, will deliver safe, clean drinking water from Penneshaw to homes and businesses in American River, Baudin Beach, Island Beach and Sapphiretown.

“This marks the completion of almost half of a sizeable 33-kilometre underground trunk main along Hog Bay Road, including the installation of 36 fireplugs,” Peter said.

“We are now in the process of completing routine hydrotesting of the pipe to ensure it’s ready for action to transport the plant’s first delivery of safe, clean drinking water next year.”

SA Water’s recent community drop-in sessions provided the opportunity for prospective customers to finalise their interest in connecting to the network, with more than 30 people meeting with the team to complete the application process or ask questions about the project’s next steps.

“This is an important project for Kangaroo Island, which will deliver a climate-independent source of drinking water, and we will continue working closely with the community as we make further progress towards first water from mid-2024,” Peter said.

More information about the project can be found at watertalks.sawater.com.au.

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