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Mt Eden stormwater diversion works Updates

LATEST UPDATES - Mt Eden works 

On this page you will find updates on the realignment works which is expected to continue until autumn 2019.

You can see background details about the work here


10 September 2018

Ground support begins

Ground support work has begun at CRL’s Ruru St site in Eden Terrace. Posts are being installed before construction of a 15m-deep shaft that will receive the mini tunnel-boring machine (TBM) that will lay a replacement stormwater pipe from Water St.

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The existing stormwater main lies in the path of the future CRL tunnels at Mt Eden, so must be diverted before CRL’s station and tunnel works can begin in the area.

Contractor March Bessac JV is also completing piling works at the Water Street site in preparation for the 17m-deep shaft that will launch the TBM on her 400-metre journey.


27 July 2018

Jeffie arrives on site at Mt Eden

‘Jeffie’, the mini tunnel boring machine that will pipe-jack a replacement stormwater line at Mt Eden ahead of CRL tunnelling works, has arrived on site at Mt Eden Road.

A German-built Herrenknecht AVN machine, Jeffie was sent to New Zealand from her base in Toulouse, France. She’s expected to start work in October - simultaneously excavating and laying a replacement 400-metre section of stormwater pipe between Water Street and the Ruru Street. The existing stormwater main lies in the way of the future CRL tunnels at Mt Eden.

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13 July 2018

Installation of the first 18m-deep pile at Water St

Piling works begin at Water Street

Piling works have begun at the end of Water Street ahead of CRL’s Mt Eden stormwater realignment works.

Contractor March Bessac Joint Venture (MBJV) is installing 89 piles to support the ground before it starts construction of the 17-metre-deep shaft that will launch Jeffie on her pipe-jacking mission. Work on the Water Street shaft is expected to begin late August, with all piling works completed in early September.

In addition to the stormwater realignment, pollutant traps are being installed at Boston and Normandy Roads as part of the stormwater network improvements for Auckland. They will capture large and non-biodegradable waste such as litter and coarse sediment to prevent it reaching waterways.

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02 July 2018

Shaft guide walls go in at Water Street site

At CRL’s Water Street site, construction is about to begin on the 17-metre-deep shaft required to launch the micro tunnel-boring machine (MTBM) that will install the new Mt Eden stormwater line.

The existing stormwater main sits lies in the way of the future CRL tunnels at Mt Eden, so a 400-metre section of the main must be diverted before the project’s main station and tunnels work can begin in the area.

  SITE WORKS: Preparing for the construction of shaft guide walls

SITE WORKS: Preparing for the construction of shaft guide walls

A piling rig will start installing the shaft walls this month. Contractor March Bessac Joint Venture (MBJV) has selected equipment that minimises noise and vibration as much as possible, in this case a rig that bores the piles with a large auger rather than hammering steel piles into the ground.

‘Jeffie’, the MTBM that will pipejack the replacement stormwater main, is making her way to Auckland from France. She is due to arrive in mid-July and start pipejacking in October.

A second shaft will be created on the corner of Ruru and Nikau Streets, where Jeffie will complete her journey and be lifted out of the ground.

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22 May 2018

Second demolition completed

We're almost ready to start diverting a section of the existing Mt Eden stormwater pipe.

This is all that remains of the former Hyde Group building at Ruru St. 

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This needed to go before we start on the stormwater pipe.

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17 May 2018

Boring machine on its way

The new micro tunnel boring machine (MTBM) named Jeffie is now on its way from France.

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She'll be working on the Mt Eden stormwater realignment.

Jeffie will be launched from Water Street and travel underground to Ruru St to divert the stormwater line which is currently in the way of where the tunnels will be.

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14  May 2018

Demolition finished

They're gone! The apartment building at 26 Mt Eden Road has now been demolished.

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04 May 2018

Demolition going well

Here are the latest pictures showing the status of the demolition of the apartments at 26 Mt Eden Road.

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30 April 2018

Demolition update

The demolition at 26 Mt Eden Road is continuing.

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23 April 2018

Demolition works

Before the stormwater diversion, CRL needs to demolish apartments at 26 Mt Eden Road and the former Hyde Group building on the corner of Nikau and Ruru Streets. The demolition began today at 26 Mt Eden Road.

  DEMOLITION: Demolition of the apartments at 26 Mt Eden Rd underway

DEMOLITION: Demolition of the apartments at 26 Mt Eden Rd underway