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Watercare has filed a notified resource consent application to build a record-breaking underground tunnel in Warkworth.
The tunnel will take Warkworth’s wastewater from a pump station at Lucy Moore Park to a new wastewater treatment plant at Snells Beach.
Rather than dig a trench for the wastewater pipe and then cover the pipe with earth, a tunnel 30 to 40 metres below ground will be created for the pipe, using a microtunnel boring machine.
Once complete, the tunnel will be more than 4km long – anticipated to be a world record for a tunnel using this construction technique.
The resource consent application seeks to undertake earthworks to establish launch platforms for the tunnel boring machine at 584 Sandspit Road and 297 Hamilton Road, along with the establishment of temporary vehicle access and removal of riparian vegetation. Watercare also wants to install temporary reception shafts at Lucy Moore Park and near 99 Hamilton Road. It also wants to put in inspection shafts at 584 Sandspit Road, 46 Hamilton Road and 232 Hamilton Road.
Full details of the applications can be viewed at Warkworth Service Centre, 1 Baxter Street, Warkworth.
Watercare anticipates construction work on the pipeline and wastewater treatment plant will start next year.
Work on the $26 million pump station in Lucy Moore Park is already underway.
As it is a limited notification, only those assessed as being directly affected by the project can make a submission on it.
Submissions can be made on the Auckland Council website: www.aucklandcouncil.govt.nz/have-your-say/
