Local Govt | National News Video | Parliament Headlines | Politics Headlines | Search

 


‘Galloping’ Alice Halfway to Waterview


‘Galloping’ Alice Halfway to Waterview




Alice has now reached halfway on the first leg of her long journey underground at Auckland’s Waterview Connection project. The giant tunnel boring machine has constructed exactly 1.2km of the first of the 2.4km-long tunnels to connect the city’s Southwestern and Northwestern motorways.

The NZ Transport Agency’s acting Highways Manager, Steve Mutton, says Alice has been almost unstoppable since resuming tunnelling after a planned two week-long maintenance shutdown in May.

“She has reached a snail’s gallop, with 28 metres progress one day last week – her best day yet. That’s not bad when your top speed is only around 80mm per minute.”

Mr Mutton says that since she began her underground travels from Owairaka to Waterview last November, Alice has averaged around 14m per day excavating spoil and installing the tunnel’s concrete lining.

“At those rates, the machine is well on schedule to complete the first tunnel in late September.”

The world’s tenth largest tunnel boring machine is now 32.5m below the surface. On her 1.2km journey so far, Alice has installed 600 tunnel lining rings, each weighing 100 tonnes and comprising 10 pre-cast reinforced concrete segments. She has also removed 197,000 cubic metres of spoil.

“Technologically, burrowing under Auckland is ‘hungry’ work,” Mr Mutton says. “Alice has consumed $90,000 in power charges and $55,000 for water. It’s another example of the complexity and size of this project.”

On her arrival at Waterview in September, Alice will be turned around over the following three months and re-launched on her southbound journey early next year, building the second (northbound) tunnel as she goes.

Construction of the two tunnels will be completed at the end of 2015, when they will be fitted out with the services needed to operate them. These include ventilation fans, communication systems and fire protection. Sixteen cross passages – one every 150m - connecting the twin tunnels will also be built.

The entire project, which includes the motorway connections either end of the tunnels, is due to be opened in early 2017.

The Waterview Connection completes Auckland’s Western Ring Route. The alternative to the SH1 Southern and Northern Motorways will be 47 kilometres long between Albany and Manukau. The Western Ring Route will improve city and regional transport connections, and is identified by the Government as a Road of National Significance because of its importance to New Zealand’s economy.

The Waterview Connection project is being delivered by the Well-Connected Alliance which includes the Transport Agency, Fletcher Construction, McConnell Dowell, Parsons Brinckerhoff, Beca Infrastructure, Tonkin & Taylor and Japanese construction company Obayashi Corporation. Sub-alliance partners are Auckland-based Wilson Tunnelling and Spanish tunnel controls specialists SICE.

ENDS


© Scoop Media

 
 
 
 
 
Parliament Headlines | Politics Headlines | Regional Headlines

2040 Target And Lower Standards: “Swimmable” Rivers Five Times More Likely To Make You Sick

Forest & Bird has condemned the government’s new water quality standards, warning New Zealanders that they lock in current levels of water pollution and allow for a 5-fold increase in the chance of getting sick from swimming in a river.

“Despite an explicit assurance from Minister Smith that the new water standards would provide for human and ecosystem health, he has failed to deliver on either of these things,” says Forest & Bird CEO Kevin Hague. More>>

ALSO:

 
 

Immigration: Clampdown On Rogue Employers Good First Step

The Human Trafficking Research Coalition is pleased at the new clampdown on rouge employers who exploit migrants announced by Minister Woodhouse this morning, and believes this is a step in the right direction. More>>

ALSO:

Mayor: 750 New Social And Affordable Homes For Wellington (Over A Decade)

The next stage of Wellington’s Housing Upgrade Programme will see at least 750 new units of social and affordable housing built over the next decade, Mayor Justin Lester has announced. More>>

ALSO:

22/2: Christchurch Quake Memorial Unveiled

A city, a region, a nation and an international community impacted by the Canterbury Earthquakes will come together to mark the sixth anniversary of the deadly quake and dedicate Oi Manawa Canterbury Earthquake National Memorial. More>>

ALSO:


November Quakes:

Gordon Campbell: On The Mana-Maori Party Deal

If the self-interest involved wasn’t so blatant, the electorate deal between the Maori Party and Hone Harawira would be kind of poignant. It’s a bit like seeing the remaining members of Guns’n’Roses or the Eagles back on the road touring the nostalgia circuit… playing all the old hits of Maori unity and kaupapa Maori politics. More>>

ALSO:

Private Provision: First Social Bond To Focus On Mental Health

New Zealand’s first social bond will help around 1700 people with mental illness into work, Finance Minister Steven Joyce and Social Investment Minister Amy Adams say. More>>

ALSO:

Immigration: Short Reprieve For Nine Indian Students

A temporary hold on deportations of nine Indian students is a step in the right direction but the Government urgently needs to implement safeguards to stop further injustices to more international students, the Green Party says. More>>

EARLIER:


Megaupload Case: High Court Rules Dotcom, Co-Accused Eligible For Extradion

Internet entrepreneur Kim Dotcom and his three co-accused are eligible for extradition to the United States, New Zealand's High Court ruled... Justice Murray Gilbert upheld a decision by the District Court that there were grounds for Dotcom, Mathias Ortmann, Bram van der Kolk and Finn Batato to be extradited. More>>

ALSO:

PREVIOUSLY:

Port Hills Fire: Midday Update, Monday 20 February

• 9 homes destroyed
• 2 homes with partial damage. Damage includes things like cracked windows, heat damage.
• 3 properties with damage to other external structures e.g sheds or outbuildings More>>

ALSO:

Get More From Scoop

 

LATEST HEADLINES

 
 
 
 
 
 
 
 
Regional
Search Scoop  
 
 
Powered by Vodafone
NZ independent news