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NFM TBM for Riyadh

NFM TBM for Riyadh

NFM Technologies of France will supply a 10.16 m-diameter TBM to excavate the 6 km-long underground section of the proposed Metro Riyadh Line 3 in Saudi Arabia. Read the press release and visit ... More Information

CEAR – Compact electricity for tunnels

CEAR – Compact electricity for tunnels

Electricity feeds to key equipment such as TBM and utilities is a focus of attention at construction sites, to ensure continuity of excavation and production. The necessary switchgear and MV/LV ... More Information

Tunnel expo for Turkey

The first Tunnel Expo Turkey will be held in Istanbul, Turkey from 28-31st August, 2014 sponsored by the Turkish Tunnelling Society. For more visit www.tunnelexpoturkey.com and www.tunelder.org. ... More Information

Malpensa rail link

The railway project to connect Terminal 1 and Terminal 2 of Malpensa Airport in Italy will cost EUR115 milllion, funded by Regione Lombardia (EUR31 million), Government (EUR45 million), EU (EUR23 ... More Information

SaMoTer for Verona

The triennial earthmoving and building exhibition takes place once again at Veronafiere, Verona, Italy from 8-11th May, 2014. Co-located with Asphaltica, SaMoTer has a complete section devoted to ... More Information

Early start for Riyadh metro

Early start for Riyadh metro

On 03.04.2014 construction of Riyadh metro system commenced with excavation of F G1 station, at King Khaled International Airport, two months ahead of schedule. The project will build line 4, ... More Information

Fehmarnbelt tenders

Fehmarnbelt tenders

Femern A/S has received 17 tenders from nine major international contractors prequalified for the four major construction contracts for the fixed link across the Fehmarnbelt. Some of the consortia ... More Information

Breakthrough in Cesana tunnel on SS 24

On 01.04.2014 breakthrough was achieved at the1,840 m-long Cesana tunnel, part of the EUR131 million upgrading project of trunk road SS 24 Monginevro, section Cesana-Claviere. Work was interrupted ... More Information

New Comacchio tunnel drilling rig

New Comacchio tunnel drilling rig

The MC 30 TX, the new Comacchio tunnel drilling rig featuring advanced design, can be converted into a standard drilling rig as well. The MC 30 TX Comacchio is designed to perform sub-horizontal ... More Information

North West Rail Link

North West Rail Link

The EUR5.6 billion North West Rail Link project includes construction of twin 15 km tunnels from Bella Vista to Epping – Australia’s longest rail tunnels. The EUR770 million tunnelling ... More Information

CP Technology for Singapore metro

CP Technology for Singapore metro

CP Technology leader for formwork and equipment for infrastructures, has delivered the gantry for steel reinforcement for construction and completion of Tampines West Station and tunnels for ... More Information

NorthConnex in Sydney

On 16.03.2014 the Australian and NSW Government announced the preferred scheme for the M1-M2, now called NorthConnex, a tolled motorway linking the M1 Pacific Motorway at Wahroonga to the Hills M2 ... More Information

Swiss roads programme

DATEC has given the green light to the EUR1.6 billion (CHF1.95 billion) work programme 2014: EUR495 million (CHF604 million) for the construction of new sections, EUR1 bn (CHF1.25 billion) for ... More Information

Serrieres tunnel inaugurated

Serrieres tunnel inaugurated

The 1.73 km section of the N5 highway which includes the Serrieres tunnel (829 m, 733 m) has been inaugurated. Click here for further information on the project and ch/60 for tunnelbuilder ... More Information

Normet shows new Spraymec

Normet has unveiled its latest version of the Spraymec shotcreting jumbo which incorporates a number of new features. Read the press release and visit www.normet.fi. 14/14. More Information

Eleven MineARC refuges for Doha

MineARC will supply eleven of its refuge chambers to TBMs mining Doha metro. These will each have the capacity to shelter up to 20 people for 30 h. Read the press release and visit www.minearc.com. ... More Information

Safety of life in tunnels

Numerous full-scale fire tests have been carried out under the SOLIT project, which sets out to justify installation and integration of fixed firefighting systems into tunnels. The results are ... More Information

Haeny grouting systems

Haeny grouting systems

Switzerland-based Haeny is the trusted source for modern mixing and injection technology, supplying state-of-the-art mixers, agitators, grout pumps, grout plants and recording systems to clients ... More Information

Spring in Croatia

Symposium on Zagreb Underground takes place March 27-28th in Zagreb, Croatia sponsored by ITA. More from www.zagrebtunnel2014.com. 12/14. More Information

WTC Brazil 2014

WTC 2014 takes place this year in Iguacu, Brazil from May 9th to 15th, 2014 . A total of 129 lectures will be presented orally and probably the same number as poster. During the opening ceremony the ... More Information

Celebrating 50 years - Chemgrout

Celebrating 50 years - Chemgrout

Celebrating 50 years, ChemGrout continues to manufacture the world’s largest selection of grouting equipment. Starting in 1963 as a grouting contractor providing cement and chemical ... More Information

Robbins EPB Pushes the Limits in Beijing

Robbins EPB Pushes the Limits in Beijing

A Robbins 6.15 m-diameter EPB machine completed an impressive run on 13.01.2014 in China’s capital. In only three months, the machine for contractor China Railway Engineering Corporation ... More Information

The first day of the ISTSS in Marseille completed

Completed the first day of the ISTSS in Marseille with 225 participants from 27 different countries. During the symposium almost 60 presentations, selected among the over 100 received by a ... More Information

FAMA for gasket innovation

FAMA for gasket innovation

Italian company FAMA is known for innovation in the development, production, marketing and sales of rubber gaskets for tunnel lining segments. With a reputation for full site support and ... More Information

ExpoTunnel second edition for Bologna

ExpoTunnel second edition for Bologna

ExpoTunnel, the Italian exhibition for tunnelling, drilling, mining and underground construction and research, takes place in Bologna 23-25th October, 2014. Register before end-March for discounted ... More Information

Waterview connection update

Waterview connection update

The 2,200-t TBM, named Alice and launched at the end of November 2013, will build twin 2.4 km-long tunnels, both 13.1m-diameter, to connect Auckland’s Southwestern (SH20) and Northwestern ... More Information

CBE segments for US and France

CBE segments for US and France

Manufacturer CBE Group of St Avertin, France has won the segment mould contracts for both Anacostia River Project in Washington DC and the subway extension in Rennes, France. Read the press ... More Information

iPS wins Doha contract

iPS wins Doha contract

International recruitment agency iPS has been awarded the contract to supply specialist personnel for the Red Line South of Doha metro construction. Read the press release below and visit ... More Information

Site vacancies

Site vacancies

International recruitment specialist iPS has vacancies at one of its tunnelling sites in Norway for hydraulic and mechanical fitters, electrician, shotcrete operator, and miner. For more ... More Information

Systemair at ISTSS

Systemair, a leader in manufacturing and sales of ventilation systems with facilities in more than 40 countries, has been operating for years in the field of infrastructure ventilation. Systemair ... More Information

Acimex website relaunch

World leader in vacuum handling technology Acimex of St Avertin, France has relaunched its website www.acimex.net showing the company’s current range of products and applications. Read the ... More Information

Arcisate-Stabio restart

Arcisate-Stabio restart

On 19.02.21014 an agreement was signed between RFI and Ics Grandi lavori, in the presence of the Regional Infrastructure and Mobility minister Maurizio Del Tenno. The agreement provides for the ... More Information

Supplier guide for Fehmarnbelt fixed link

Femern A/S has produced a guide that sets out specific tasks suited to subcontractors on the tunnel construction. The guide provides small and medium-sized enterprises with an overview of their ... More Information

Robbins TBM records in Mumbai

Robbins TBM records in Mumbai

On 21.01.2014 a Robbins Main Beam TBM completed the 8.3 km-long Mumbai Water Tunnel, more than 100 m below ground. The tunnel is one of the longest and deepest water supply tunnels in Asia. The 6.25 ... More Information

Two heavy equipment online auctions

Australia-based Global Equipment Solutions is holding two online auctions of: surface and underground mining and civil construction equipment; and surplus heavy mining equipment. For details of lots ... More Information

Systemair Fans for Deoli-Kota tunnel

Systemair Fans for Deoli-Kota tunnel

GVK Deoli Kota Expressway Private Ltd (GDKEPL) is developing an 83 km-long four lane road project from km 165 to Junction of NH-76 on Kota Bypass of the Deoli-Kota Section of NH-12 in Rajasthan, ... More Information

Tunnelling News

New game-changing tunnel boring, reef cutting 'meeting and beating' all expectations

UG2 reef at Bokoni is the target of the twin mobile tunnel boring and narrow reef cutter. Tunnelling will be done with the mobile tunnel borer for ... More Information

Mota-Engil CEO confirms winning bid for Santos-Guaruja tunnel

The company's subsidiary, Mota-Engil, has won the tender for the construction and operation of Brazil's first underwater tunnel, connecting the ... More Information

Metro Vancouver Utility Nearing Finish of $288M Annacis Water Tunnel

“Resilience is at the heart of this project,” said Nedim Alca, COWI's North America market director. “What makes this milestone so significant is not ... More Information

Fehmarnbelt: Danish tunnel portal nears completion

The work on the entrance to the Fehmarnbelt tunnel at Rødbyhavn on Lolland is almost complete. photo courtesy of The Fehmarnbelt Project. More Information

Final decision on airport tunnel 'now or never'

Alderman Jim Stevenson and City administrators are making a dramatic last push for the airport tunnel before construction on the new north/south ... More Information

Athens Metro Line 4 works to finish by 2029

The construction of Athens Metro Line 4 is progressing steadily, with the entire project ... Tunnel mistakenly excavated in Athens metro project. More Information

First trains on track to run through Metro Tunnel within three months

Melbourne's $15.5 billion Metro Tunnel could be switched on in as little as three months as construction wraps up at two CBD stations and trains ... More Information

Petersburg crews to begin tunnel project in response to ongoing flooding, damage - WRIC

As ongoing water issues have caused significant damage to infrastructure around Petersburg, the Old Towne neighborhood ... More Information

Intelligent optimization framework for tunnel construction

Tunnel construction forms the foundation of railway development and is essential for ensuring route continuity and operational efficiency. However, ... More Information

São Paulo positions TBM for next phase of Line 2-Green

A major milestone was reached on Monday (1 September) with the lowering of the cutter head of the tunnel boring machine (TBM) Cora Coralina... More Information

The 700-ton machine that'll dig NYC's Second Avenue subway extension

NYC has a new tunnel boring machine in its toolbox for the expansion of the line under 2nd ave. If you've never seen some BIG earth moving machines, ... More Information

Light at the end of the tunnel showing for Mount Washington transit project

The project is expected to be completed in October. New tracks finally emerge from the Mount Washington Transit Tunnel as a part of Pittsburgh ... More Information

Davao City Bypass South Tunnel hits breakthrough towards improved connectivity

The Construction Project with the ceremonial breakthrough of the southbound tunnel, marking the complete excavation from opposite ends of the ... More Information

Which companies are bidding for the US$2.3bn highway and tunnel contracts in Brazil?

The project in Brazil, as it will be the country's first underwater tunnel,” the person added. The project involves construction of a 1.5km tunnel ... More Information

US Northeast Rail Corridor Gets a Major Makeover with Tunnel and Bridge Replacements

This project is designed to replace tunnels severely damaged by Superstorm Sandy, ensuring smoother and more reliable service for Amtrak, NJ Transit, ... More Information

DPWH, JICA celebrate breakthrough of Southbound Tunnel in Davao Bypass

The event marked the successful connection of the tunnel's north and south ends. The ... More Information

Jacobs joins Ramboll on Marselis road tunnel project in Denmark

Danish Road Directorate senior project manager Michael Schmidt Vosgerau said: “It is a complex task to build a tunnel on one of the busiest access ... More Information

Planning continues for Midway Tunnel, Safe Streets for All projects

The Midway Tunnel project is a $13.4 million plan ... construction of a new overpass bridge and pedestrian and bicycle walkway above the tunnel. More Information

Four million tons of clay moved in HS2 excavation

Construction on HS2's second-longest tunnel started in October 2022. The rotating cutters cut away clay and other material at a rate of about 50ft ... More Information

Jacobs Has Design-CM Role on $640M Denmark Tunnel, With Ramboll as Key Consultant

Set to begin construction in 2028, Marselis Tunnel project is core component of the country's 10-year Infrastructure Plan 2035. By Emell D. Adolphus. More Information

Elon Musk's $760,000,000 plan to build underground tunnels beneath Houston, Texas

Elon Musk's next big construction plan from The Boring Company could build $760000 worth of tunnels beneath Houston to help with flooding... More Information

Kerala Moves Closer To Vizhinjam–Balaramapuram Tunnel Rail Project

The Kerala government is preparing to invite bids next month for the tunnel rail project linking Vizhinjam International Seaport with ... More Information

Norway's Ship Tunnel Project Under Threat as Costs Rise

New cost estimates suggest the ambitious project will far exceed its approved budget, raising questions about whether it will ever be built. More Information

Davao City Bypass southbound tunnel nears breakthrough

The Department of Public Works and Highways (DPWH) announced that the southbound tunnel of the Davao City Bypass Construction Project (DCBCP) is ... More Information

CA should pursue better alternatives to the costly Delta Tunnel Project Stocktonia

Governor Gavin Newsom is attempting to fast-track the construction of a massive, budget-busting water tunnel through the Delta to ship freshwater to ... More Information

Physical Origins of Shear Strength Fluctuations in Fault Gouges

Fault gouge is rock texture within fault zones that may include rock fragments (RF) and foliated structures. Previous studies have primarily focused on remould soils, the natural structure ... More Information

Webuild expands its role in high-speed rail projects

Four modern tunnel boring machines will be deployed to ensure precision and safety in complex geological conditions. Once completed, the old single- ... More Information

Hudson Tunnel Project advances as tunnel boring machines near completion

The Hudson Tunnel Project hit a key milestone as massive tunnel boring machines near completion, with delivery set for November. More Information

Nagdhunga tunnel in final stages of construction

If we look at the history of road construction and development in Nepal, there are various records of road construction starting from the Rana period. According to articles published in ... More Information

Boring of tunnel across Yellow River completed in China's Shandong

Constructed by using a "Shanhe" shield machine with a 17.5-meter excavation diameter, this double-deck, two-way, six-lane tunnel stands as the world's ... More Information

The £1.6bn plan for world's deepest underwater road tunnel leaving 'no room for error'

Opening of Rogfast tunnel under construction. The Rogfast tunnel will be the longest and deepest undersea road tunnel on Earth. (Image: SKANSA). A ... More Information

Tunnelling complete on NSW's Coffs Harbour bypass project

Tunnelling has been completed on the A$2.2bn (£1.1bn) Coffs Harbour bypass project in New South Wales, Australia, with the excavation of the third ... More Information

Veidekke acquires tunnel construction contract for Gothenburg's West Link Project

Veidekke has received a contract from the Swedish Transport Administration to build the Stora Hamnkanalen tunnel, a component of the West Link ... More Information

German Rail completes construction of Rastatt Tunnel

GERMAN Rail (DB) has completed civil works on the new 4270m twin-bore Rastatt Tunnel, a major component of the project to widen to four tracks the ... More Information

Final contracts signed for Eastern Freeway transformation

A huge amount of work is underway to build North East Link and upgrade the freeways – two tunnel boring machines are digging deep under Rosanna ... More Information

Progress on Sydney pipeline duplication

Bouygues Construction Australia and Rob Carr have launched a tunnel boring machine (TBM) on Sydney Water's Thornleigh pipeline duplication ... More Information

The latest plan to connect BART to downtown San Jose: One tunnel rather than two

When BART and Santa Clara Valley Transportation Authority first discussed plans to send trains rolling under downtown San Jose, transit officials contemplated a design with two tunnels ... More Information

Nashville Tesla tunnel: Here's when construction could start on the Music City Loop

Elon Musk's The Boring Company is currently in the design phase of constructing a tunnel connecting downtown Nashville to the Nashville ... More Information

World's longest underwater 'mega tunnel' to cost $46 billion but will halve 21-hour drive

Oddvar Kaarmo, the Rogfast project manager, cited additional motivation for the tunnel's construction: "The port at Mortavika is quite exposed and ... More Information