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Boring commences under the Anglesea River

Boring commences under the Anglesea River

4 November 2015 , , 0

Replacement of the Anglesea outfall pipeline has begun.

The pipe was damaged when a section of cliff collapsed in August.

It’s a challenging task with significant onshore and offshore work. Specialist engineering and construction teams need to consider the cliffs, beach, ocean floor and tides.

A drill rig is currently boring from the water reclamation plant through the cliff. It will continue below the cliff base and ocean floor to emerge about 500 m offshore.

Almost 700 m of pipe are now being welded and pressure tested on land before being towed across the water to the outfall end point.

From there, the pipe will be attached to the drill head, lowered 10 m under water and pulled back through the bore hole to the plant.

The pipe carries Class B recycled water. It connects the Anglesea water reclamation plant – located on the coastal cliffs – to the outfall on the sea floor. Due the recent rock fall, the pipe was damaged and recycled water is flowing onto the beach.

Plans were already underway to replace the pipe when it was damaged.. The new pipe will not be prone to cliff erosion, as it will be drilled well below the cliff base.

Barwon Water has announced that the repair has been fast-tracked ahead of the busy summer period.



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