Water lifelines strategy earns national award

A 100-year strategy for the replacement of some of Dunedin's critical water pipelines has won a national award.

The Dunedin city raw water lifelines strategy won the national NAMS innovation in asset management planning award at the Ingenium (public asset engineering association) Excellence Awards on Saturday.

A collaboration between MWH, a global engineering company, and the Dunedin City Council, the $110 million pipeline project involves 120km of critical pipeline supplying 60% of the city's water from two catchments.

Council acting manager, water and waste services, Laura McElhone said having a great team of staff and consultants looking at the existing, well-known water supply risk with fresh eyes and an innovative approach had resulted in a better solution that reduced risk and would cost less.

MWH team leader water and waste Roger Oakley said the project demonstrated the best of the modern form of thinking in engineering and asset management, focused on achieving reliable outcomes for the community, rather than the condition of physical assets.

In all, savings of $11.2 million, in the next 10 years, were identified. The total project cost was $200,000.


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