Latest Tunnelling and Underground News 
Castle and Pryor announce Brokk equipment sale as plant fleet is upgraded
Controlled demolition and concrete cutting specialist Castle and Pryor is disposing of a significant number of Brokk demolition robots and associated equipment in order to make way for new plant. The specialist Brokk machines are controlled remotely, allowing its operative to work in a secure location, free from the vibration and dust often associated with demolishing concrete or other material. Not only are the machines utilised by controlled de... [more]
FLÄKT WOODS FANS INSTALLED AS THE MAIN VENTILATION FOR THE HINDHEAD TUNNEL
The main ventilation for the cross passage sections of the twin bore A3 Hindhead project has been supplied by Fläkt Woods. They installed a ventilation in the form of 43 of their 1120mm diameter JMTS horizontally mounted smoke vent category: 250 degrees C for 2 hour type jetfans to be mounted within the road tunnels, as well as 34 JM type axial fans. The project has completed the dual carriageway link between London and Portsmouth and remov... [more]
Kier joint venture to deliver new Hong Kong station
A joint venture between Kier Construction, Laing O’Rourke and Kaden Construction has been awarded a £190m (HK$2.4bn) contract by the MTR Corporation for the construction of the new Admiralty Integrated Station in Hong Kong. Under this four-year contract, the existing Admiralty Station will be significantly extended to provide interchange facilities between the existing Tsuen Wan Line, the new South Island Line (East) and the proposed Shatin to... [more]
Elliptical concrete pipes solve surface water flooding problems
With localised surface water flooding continuing to be a major problem, elliptical concrete pipes are now a far more effective and economic alternative to drainage systems such as box culverts – according to Stanton Bonna. “The elliptical system offers significant advantages over others, particularly box culverts, because it provides a far superior hydraulic performance and a fully watertight elastomeric captive gasket joint”, explains Richard... [more]
Cellcore from Cordek addresses the issues of ground uplift caused by deep excavation on the New Tyne Tunnel Crossing
When completed in 2011, the New Tyne Tunnel Crossing will comprise a two lane immersed tube tunnel stretching between East Howdon on the North bank and Jarrow on the South bank of the River Tyne. The four giant concrete tunnel segments are being created up river from the construction site and will be floated down the River Tyne before being immersed to form the new tunnel on the riverbed. The main contractor for the project is French company Bouy... [more]
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Other Tunnelling and Underground news and reviews
Delhi Metro kickstarts efforts to decongest Rajiv Chowk
New Delhi, Jan 31 (IANS) Spanning numerous residential areas and commercial centres in the national capital and a lifeline for commuters, the Delhi Metro Tuesday kicked off tunnelling and boring work for a 3-km underground corridor to decongest the Rajiv Chowk station -- an interchange for two of its lines -- in Phase 3 of the rail network.
Never-before-seen images of 'Birdsong' tunnels dug by British pit workers to undermine the German lines in First World ...
These never seen before images of one of the tunnels were taken by British photographer Jeff Moore during an excavation with tunnelling engineer Johan Wanderwalle in 1997.
How Birdsong creates a replica of first world war's tunnels
Expert archaeologist helped drama producers make exact model of underground network The horrors of tunnel warfare are key to Sebastian Faulks's first world war novel, Birdsong . Much of the action is set beneath no man's land in a terrifying world where soldiers dug, listened for the enemy and laid explosives in the hope of helping their compatriots above ground. To create a realistic portrayal ...
'Usual suspects' seen bidding for JB-Singapore tunnel job
THE contract for tunnelling works for the proposed Rapid Transit System (RTS) between Singapore and Johor Baru will see the likes of Gamuda-MMC bidding for the job and competing with other contenders, analysts say. Analysts believe Gadang Holdings Bhd and IJM Corp Bhd, both which have experience in underground works, may also bid for the tunnelling works. This is provided the Malaysian and ...
Metro Rail readies to dig deep
Shafts for Tunnel Boring Machines being constructed
Waihi residents battle mining giant
In a major development for Waihi, Newmont has been given approval to drill down under the existing Martha Mine in the centre of the Coromandel town.
Last straw for fed-up Waihi residents
Waihi residents are ready to fight a new drilling project in their town.
Tunnel raid foils Shameless plot
Raiders who stole thousands of pounds by tunnelling under a cash machine foresaw a new storyline from TV show Shameless, its producers reveal.
MRT Co speeding up the award of contracts
THE Klang Valley My Rapid Transit (KVMRT), the country's largest infrastructure project, is already gaining traction with the recent award of the two big packages worth RM1.74bil. This is the start of slew of other packages to be awarded this year to develop the multi-billion project.
10. MRT Co speeding up the award of contracts
THE Klang Valley My Rapid Transit (KVMRT), the country's largest infrastructure project, is already gaining traction with the recent award of the two big packages worth RM1.74bil. This is the start of slew of other packages to be awarded this yea...
