Water Corporation’s $14 million upgrade to Mundaring Weir in Western Australia has reached a major milestone when a 42 tonne steel pipe was lifted into the dams intake tower.

Minister for Water, Dave Kelly, said the 40-metre-long, 2.5m-wide pipe was manufactured and transported to the site from a workshop in Naval Base.

“With our rainfall levels in decline as a result of climate change, this is an important upgrade that will allow the Water Corporation to continue to draw water from Mundaring Weir when its level is low,” Mr Kelly said.

“The upgrade also ensures communities supplied with drinking water from Mundaring Weir will continue to receive a reliable water supply for decades to come.”

The project will help modernise the weir through the refurbishment of the intake tower, its associated pipework, and a new visitor’s viewing platform.

Perth-based company Clough is carrying out the construction work, with about 180 workers involved in the project. The project is expected to be completed next month.

When complete, the Water Corporation will be able to draw water from the dam at a lower depth –  reducing the need to transfer groundwater or desalinated water into the dam to boost its level in low streamflow years.

To ensure the community’s safety during the upgrade, the walkway across the top of the dam wall will remain closed and the Bibbulmun Track has a small diversion in place until December.

First built between 1898 and 1901 and considered to be one of Australia’s greatest engineering achievements, Mundaring Weir through the Goldfields Pipeline today supplies drinking water to more than 100,000 people from Mundaring to Kalgoorlie.

Elisa is an experienced industry journalist and is a regular contributor to a range of energy and infrastructure titles. She has a unique knack for quickly finding the angle in any story her audience is most interested in learning more about.

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