Coliban Water has invested $135,000 into the renewal of water mains in Cohuna, Northern Victoria.

Manager Infrastructure at Coliban Water, Corey Bourne, said the renewals works were part of Coliban Water’s ongoing water mains renewal program.

“We carry out routine testing to assess our mains so we can identify those which need to be renewed. This helps prevent potential bursts and impact to customer services, as well as reducing maintenance and repair costs,” Mr Bourne said.

“Our recent works in Cohuna commenced in June and took six weeks to complete, replacing water mains on Murray Valley Highway, Bankhead Street, Livingston Street, Tennis Court Road, Brays Road and Cardwardines Road. The oldest main we replaced was installed in 1950.

“The mains were renewed using directional boring, a trenchless technology that reduces the need for excavation work and is more environmentally friendly compared to open-trench methods.

“Less excavation prevents damage to trees and root systems, waterways, nature strips, gardens and driveways and means substantially less reinstatement work and less carbon emissions from construction machinery.

“On average directional boring generates 90 per cent fewer greenhouse gas emissions than open-trench excavations and overall cost savings of 25 to 50 per cent. Road closures and disruption to residents and businesses close to work sites are also reduced.”

In 2017/18 Coliban Water replaced around 2.9km of water mains across the region at a cost of $571,000, as part of the renewal program.

“We identify sites for replacement by analysing a range of criteria including the criticality, risk to customers, number of failures, number of supply interruptions, number of customers impacted and the assessed remaining useful life of the asset,” Mr Bourne said.

“Our renewal program ensures that we continue to maintain and deliver services to our customers with minimal disruption.”

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