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Sewer Main Project

Lowering the pipe into the trench for the Taradale Road New Sewer Main.Planning Started: 2000
Construction Started: February 2010
Completed: 2013

In 2013, an extra sewer main was constructed to convey wastewater from the Napier urban area to the treatment plant in Awatoto. This was to provide additional capacity for recent and future housing developments. It also provides some back-up capacity for two trunk mains that convey effluent to Awatoto.

The route taken by the 6.5km main is from Taradale Road, opposite the Onekawa industrial area, along the drainage reserve behind Henry Hill School, crossing Harold Holt Avenue. From there it runs along the Cross Country Drain alignment, crosses Riverbend Rd, Willowbank Avenue, and follows Eriksen Road past the Maraenui Golf Club course and on to the treatment plant.

As part of the $6.5-million sewer main project, which took three years to complete, a pump station was built in the drainage reserve at the Taradale Road end of the new pumping main. The pump station has the capacity to pump 650 litres of wastewater per second.

About two-thirds of the main, some 4,500 metres, is 800mm diameter pipe. The last 2,000 metres is 900mm pipe.

The main provides capacity for new development areas that have gone ahead or are planned in the northwest and southeast of the city. This includes Park Island, Oaklands, Parklands and the Mission development area, Te Awa Estate and the rest of the Serpentine area, The Loop and the Pirimai South future development area. It also provides for infill further development.

Sewer Main Project Images

Lowering the pipe into the trench for the Taradale Road New Sewer Main. Connecting the pipes together in the trench for the Taradale Road New Sewer Main.

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