SA Water will replace around 539m of water mains in Marino to reduce the impact of water main breaks on its customers and the area’s road users.

The upgrade along Newland Avenue and Barula Road is part of an ongoing $137 million program  to replace around 375,000m of water mains across South Australia between 2016 and 2020.

SA Water’s General Manager of Asset Operations and Delivery, Mark Gobbie, said these sections of pipe were prioritised for replacement after recent breaks or leaks.

“Water main incidents are typically triggered by environmental factors like weather and soil movement, so we can’t completely stop them from happening, but we’re fully committed to reducing their incidence and impact on our customers,” Mr Gobbie said.

The new pipes will be made of PVC, which is flexible and more resistant to the movement caused by the area’s reactive soils than existing, rigid cast iron and fibro-cement pipes.

Mr Gobbie said the new pipe will be laid using traditional trenching techniques and should be complete by the end of 2017.

Both the old and new water mains have an expected lifespan of 100 years.

More than half of SA Water’s 27,000km network of pipes are under 50 years old, which is relatively young by urban water industry standards. 

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