North Sydney Desalination Pipeline

MCB Partnership – Water Delivery Alliance

Sydney, New South Wales, Australia

The Sydney Desalination Pipeline provided Diona the opportunity to deliver a complex, high-risk pipelaying project for Sydney Water.

The project consisted of approximately 90m of trenching, of which 55m crossed through a covered storage warehouse.

Diona’s key deliverable was the intention to complete the works through the warehouse without the need to remove the existing roof. Diona’s innovative solutions eliminated the need for additional construction and maintenance costs by working within the warehouse constraints.

The pipe itself was laid into a 12m deep, 9m diameter underground shaft travelling through the existing warehouse and finally connecting onto an existing Sydney Water butterfly valve. 

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