Tunnelbuilder Promoting the world's tunnelling industry to a huge qualified audience

View the Spanish Tunnelbuilder website View the Italian Tunnelbuilder website

Archive - News

Featured News

Innovative segment gasket from CBE

The recently completed Lee tunnel in the east end of London was lined with concrete segments with anchored gaskets, More Information

Major breakthroughs on SS77

Major breakthroughs on SS77

On 28.02.2012, breakthrough of the 2,820 m north tube was achieved on the SS77 Sostino tunnel in Foligno municipality on Marche-Umbria quadrilateral in Italy More Information

Hong Kong drainage breakthrough

Hong Kong drainage breakthrough

On 27.02.2012 the JV Maeda Corporation, China Railway Engineering Corporation (CREC) and SELI celebrated the breakthrough of the Tsuen Wan drainage tunnel in Hong Kong using a 7.72m-diameter, More Information

Non-polluting products certification for EPC Consulting

Globalchimica partner EPC Consulting has gained certification for its non-polluting, organic-mineral resins. More Information

Breakthrough at Capo di Ponte

Breakthrough at Capo di Ponte

On 24.02.2012 JV Collini/Cossi/Giudici/Aster broke through at Capo di Ponte tunnel on the SS 42 Tonale-Mendola between Darfo and Edolo. More Information

New boss at Aker Wirth

New boss at Aker Wirth

Einar Broenlund has taken over the management of Erkelenz-based drilling and tunnelling equipment More Information

Rome metro Line B1 progress

Rome metro Line B1 progress

On 22.02.2012, the 9.80 m-diameter EPB TBM Nannarella completed excavation of the difficult 1.1 km-long Conca d’Oro-Jonio tunnel, part of the extension of B1 line of Rome metro. More Information

Professional tunnellers diary

March is a good month for tunnelling events, with five international conferences scheduled in Israel, US, Brazil, Greece and Italy. Great geographic spread, and something for everybody! More Information

ISTSS in New York

The 5th international symposium on tunnel safety and security takes place in New York from 14-16 March, 2012. Some 250 delegates have already registered, with around 70 places still ... More Information

MRS expands Asia Pacific team

Mine Radio Systems (Pacific) Pty Ltd has appointed Warren Dix as Western Regional Manager with a territory covering the western half of Australia and Indonesia. More Information

Rocchetta tunnel complete

On 17.02.2012, breakthrough of the 980 m south tube was achieved on the SS77 La Rocchetta tunnel in Muccia municipality on Marche-Umbria quadrilateral in Italy. Excavation took one year. The 840 m ... More Information

Portable rescue chamber from mineARC

Australian specialist manufacturer mineARC has launched its latest portable rescue chamber range. More Information

CIFA – the best choice for tunnels

Heavy investment in research, development and product quality has enhanced CIFA know-how and experience, creating a solid foundation for customers in the worldwide construction industry. More Information

Herrenknecht TBMs for Neelum-Jhelum hydro

By 15.02.2012 the main parts of two 155 t Herrenknecht TBMs had reached Majoi (C-2), the site of Neelum-Jehlum hydropower project in Muzaffarabad District of Azad Jammu Kashmir Republic of Pakistan. More Information

Roveredo bypass in Switzerland

Roveredo bypass in Switzerland

In 2009, Consortium Galleria di Roveredo, comprising CSC SA (Lugano), Frutiger AG (Thun) and Prader Losinger SA (Sion), secured the contract for More Information

Caterpillar Tunneling for customized TBMs

Caterpillar Tunneling based in Toronto, Canada has five generations of experience in the worldwide tunnelling industry. More Information

Two SS125 tunnels completed in Sardinia

Two SS125 tunnels completed in Sardinia

Full section excavation of the monotube Murtineddu and Marapintau tunnels with their parallel safety tunnels was completed by end-2011. More Information

Tunnelling vacancies in UK

iPS is urgently looking for various Tunnelling workers in the UK. There are vacancies for electricians, fitters, banksman, leading miners, miners, pit bosses and scaffolders. More Information

Decision expected on Frejus safety tunnel

Italian and French authorities will soon have to decide whether to expand the proposed 12 km-long More Information

CBE to supply Sluiskil

French group CBE has been awarded the supply contract for segment moulds for the 1.15 km-long twin-tube Sluiskil tunnel under the Gent canal at Terneuzen in the Netherlands More Information

Normet international success lauded

Normet has received an award from the Finnish government for its exceptional success in the international market, profitable growth, development of Finnish expertise, and operation in an environmentally sustainable manner. More Information

Datwyler acquires Phoenix profiles

The Datwyler group has completed the acquisition of the profiles division of Phoenix Dichtungstechnik of Hamburg. More Information

Herrenknecht big in China

Herrenknecht big in China

At the recent presentation of the Herrenknecht EPB shield for Dongguan metro attended by Chancellor Merkel and Premier Wen, Dr Martin Herrenknecht outlined his company’s ongoing commitment to China. More Information

Qatar going underground

The Qatar integrated railway project includes four metro lines, for which initial tenders for four tunnelling packages worth EUR1.5-2.3 billion apiece are expected in April, 2012. More Information

Works starts on Peru project

On 24.01.2012 work started on the Via Parque Rimac, a new Peruvian road construction project of the Metropolitan Municipality of Lima to connect Via Evitamiento highway to Callao Province, reducing traffic congestion. More Information

First Eastern European Tunnelling Conference

The call for papers deadline for the 2012 Eastern European Tunnelling Conference has been extended to 20.02.2012. More Information

Viatec and Brenner Congress 2012

The three-day Viatec fair takes place in Innsbruck starting 15.02.2012. More Information

Trans-Andean multimodal tunnel proposed

Trans-Andean multimodal tunnel proposed

The authorities in Lima, Peru are funding EUR1.4 million for feasibility studies for a 31 km-long multimodal road/rail tunnel on the route between Huancayo and Lima, reducing journey times from seven to four hours. More Information

Austunnel partners with Globalchimica

Austunnel have partnered with EPC Consulting www.epc-consulting.it and Globalchimica to provide sales and support for the Globalchimica range of tunnelling and mining products within Australia and the surrounding region. Globalchimica manufactures More Information

New agreement for Lyon-Turin line

On 30.01.2012 France and Italy signed a new intergovernmental agreement for the construction of the Lyon-Turin railway line for submission to the parliaments of both countries for ratification. More Information

Independent certification for Aker Wirth

Aker Wirth, a leading supplier to the tunnelling industry for more than a century, was recently audited by the accredited certification body DNV. More Information

Tunnel Technology 2012 for Shanghai

The third Tunnel Technology Summit will be held 28th-30th May, 2012 in Shanghai, China organized by Shine Media and Shanghai Transportation Trade Association. The theme is new technology, equipment and construction methods for propelling tunnel design, construction and operation. More Information

Final breakthrough for Sorbas tunnel

On 18.01.2012, excavation of the second tube of the 7.5 km-long Sorbas tunnel on the Sorbas-Barranco de los Gafarillos section on the Almeria-Murcia Region high-speed railway was completed. More Information

CEVA rail link under construction

CEVA rail link under construction

Work on the 16 km-long Cornavin-Eaux-Vives-Annemasse (CEVA) rail link commenced on 15.11.2011 to provide a 20 minute connection between Cornavin station (Geneva) and Annemasse municipality in France with five new stations at Lancy-Pont-Rouge, Carouge-Bachet, Champel-Hopital, Geneve-Eaux-Vives and Chene-Bourg More Information

Wayss & Freytag awarded Emscher sewer tunnel

W & F, a subsidiary of Royal Bam group, has been awarded the EUR420 million construction contract for a 35 km-long wastewater tunnel between Dortmund and Bottrup in Germany. More Information

Conceptual design for Feltre tunnel

On 18.01.2012 Anas Veneto presented the conceptual design to complete the SS50 Feltre bypass, which includes construction of a 3.5 km-long bi-directional tunnel under the Telva mountain. More Information

Tunnelling News

Immersion of Fehmarnbelt tunnel elements to start soon, after vessel passes tests

The Fehmarnbelt project is one of Europe's largest infrastructure projects but is running around two years behind schedule after “challenges” with the ... More Information

Betty has made it out of the tunnel six weeks later

Betty the tunnel boring machine has re-emerged from a tunnel at Kirkham as part of a £5.5m project... More Information

China's $47 billion railway into Tibet needs a tunnel borer so powerful it does not yet exist

Now, a purpose-built tunnel boring machine must conquer the Himalayas to complete the most extreme railway project on Earth... More Information

TBM launched for metro Line 11 extension in Madrid

TUNNELLING work is underway on the project to extend Line 11 of the Madrid Metro network, with the launch of a tunnel boring machine (TBM) that ... More Information

TBM cutterhead lift and tunnelling risks for engineers

South Australia's $15.4 billion River Torrens to Darlington (T2D) project has installed the first of three 300‑tonne tunnel boring machine ... More Information

DP World Drives Canada's Infrastructure Build

The terminal handled the arrival and offload of a custom-built Herrenknecht Earth Pressure Balance (EPB) tunnel boring machine from Germany – weighing ... More Information

LA Metro approves route of K Line northern extension project to Hollywood

The analysis found that modern tunneling techniques are safe with pre-construction studies, use of advanced tunnel-boring machines, mitigations and ... More Information

Here's when first massive boring machine will start carving tunnel between New York, New Jersey

STATEN ISLAND, N.Y. — A massive tunnel boring machine is preparing to carve a tunnel between New York and New Jersey after President Donald Trump ... More Information

Beyond the horizontal: how a next-generation TBM conquered Pingjiang's inclined shaft

A variable diameter inclined shaft tunnel boring machine has completed a landmark breakthrough on China's Pingjiang pumped storage hydropower ... More Information

CMRL begins tunnelling for Thiruvanmiyur-Indira Nagar section in phase-II metro rail project

Tunnelling through hard rocks in the 650-metre stretch may take nearly six months, officials say ... More Information

AKTOR’s Tunnels on Brașov–Sighișoara Line, among the most complex in Europe

A railway infrastructure project unfolding in the heart of Transylvania has been ranked, according to an independent comparative analysis, among the most complex and ambitious railway ... More Information

Tunnel-boring machines “Victoria” and “Natali”

The tunnel-boring complexes worked in tandem on the Rublyovo-Arkhangelskaya Line. The tunnel-boring machine complexes (TBMs) “Natali” and “Victoria,” ... More Information

Elon Musk's Boring Company plans mile-long tunnel in Dallas connecting to DART station

The Boring Company is developing a proposed mile-long tunnel in Dallas' University Hills that would link a town center to a nearby DART station, ... More Information

Hudson Tunnel Project marks major 2026 construction progress on both sides of the river

Work on the Hudson Tunnel Project in North Bergen is continuing to advance through several major construction steps reached so far this year... More Information

HS2 Ordered to Slash Costs and Construction Time in Major Government Reset

The Transport Secretary has instructed HS2 Ltd to identify options that could cut billions from the project’s cost and bring trains into service sooner, as the government pushes for a ... More Information

SRL East TBMs arrive in Burwood

Two more tunnel boring machines (TBMs) have arrived in Melbourne ready for tunnelling of Suburban Rail Loop (SRL) East to start this year. The TBMs ... More Information

$100 Million Allocated for Ft. Laramie Canal Tunnel Project

Laramie Canal Tunnel Project. The Department of the Interior announced the funding Tuesday as part of the $889 million for water infrastructure ... More Information

What are the benefits of using tunnel boring machines in infrastructure projects?

Ask NCE has been updated to Answers 3.0, allowing you to ask civil engineering-focused questions and receive clear, practical responses such as ... More Information

Minsk Metro, together with "Alesya," will start digging with "Mariya."

It was noted on a transport forum that parts of a second tunnel boring machine (TBM) for laying tunnels began to be brought to one of the construction sites of the third metro line... More Information

TBM for Lyon-Turin project unveiled

The first of two tunnel boring machines for the Italian section of the 57.5km Mont Cenis Base Tunnel has been unveiled... More Information

NFR achieves breakthrough in Tunnel No 8 of Sivok–Rangpo railway project

Tunnel No. 8 is one of the major tunnels of the project with a total length of 4.148 km and an additional adit measuring 1.010 km. The excavation and ... More Information

Suburban Rail Loop hits tunnelling milestone as eight TBMs arrive on site

The Suburban Rail Loop has reached a major construction milestone, with eight tunnel boring machines now on site ahead of tunnelling later this year... More Information

$16bn Hudson Tunnel project could pause again 'in two to three months'

Components of the first tunnel boring machine (TBM) that will be used for the Palisades Tunnel Project arrived at ... More Information

Hinkley Point C | TBM readied for 620m long fish return tunnel

The tunnel boring machine (TBM) that will excavate the fish return tunnel has been christened Sarah Guppy by local schoolchildren, in tribute to ... More Information

Bhopal Metro's Orange Line Tunnelling Begins

The Bhopal Metro project has recently reached an important milestone as tunnel boring machines (TBMs) have been positioned to begin digging work on ... More Information

A Chinese team rescued a $50M tunnel machine stuck 177 feet underground

Chinese engineers have pulled off a stunning rescue, saving a tunnel boring machine (TBM) stuck 177 feet underground beneath the Yangtze River. More Information

Fort Smith named finalist in Elon Musk's Boring Company tunnel challenge

The company selected Fort Smith's proposal from 487 applicants. The company says the winning project will receive construction of a one-mile tunnel ... More Information

Bengaluru: Four infrastructure firms bid for Hebbal short tunnel

Bengaluru infrastructure: Four firms, including Dilip Buildcon and Max Infra, bid for BDA's Rs 1086 crore Hebbal short tunnel project... More Information

TBM readied for Montreal's Blue Line extension

A custom-made 9.7m-diameter tunnel boring machine (TBM) has been assembled and lowered ready to excavate the tube from the future Vertières stop to ... More Information

$11.5B Brenner Base Tunnel Nears End of TBM Excavation

With TBMs Olga and Wilma closing in, the 55-km rail project shifts from excavation to systems integration ahead of its planned 2028 opening beneath ... More Information

$6.75 Billion Unlocked for Turkey's Bosphorus Rail Project

Multiple Earth Pressure Balance (EPB) Tunnel Boring Machines (TBMs) will need to be mobilized to carve out the subterranean corridors leading up to ... More Information

Tunneling for Nashville's underground Tesla project has begun

The Boring Company said that the first three weeks of the project will consist of the Prufrock-MB1, a machine that will help carve out the tunnel, ... More Information

Hudson Tunnel Project construction resumes

I look forward to celebrating the launch of our tunnel boring machines through the Palisades once GDC has assurance it will receive the steady flow ... More Information

Lower Thames Crossing

British suppliers could meet 90% of low carbon steel requirements. The proposed machine would be 16.4m in diameter, large enough to create a three‑lane tunnel bore, and is intended to dig ... More Information

Inside the Tunnel Boring Machine, Southampton Link Main project

A six-tonne tunnel boring machine is digging deep below the ground in Hampshire to help keep the county's taps and rivers flowing... More Information

TBM maestro inspects sites ahead of massive tunnel drive

The first machine components have arrived for the tunnel boring machines (TBMs) to be deployed on the Suburban Connect sites in Melbourne. More Information

Metrolinx provides major updates on subway and LRT projects across the GTA

Tunnel boring is advancing on multiple projects, with Scarborough's TBM ... Metrolinx says “Diggy Scardust,” the project's tunnel boring machine, is now ... More Information

Work in Progress: High-tech TBMs ready to carve underground corridor

The Bhopal Metro Rail Project is transitioning into its most challenging and sophisticated phase as two state-of-the-art Tunnel Boring Machines (TBMs) ... More Information

Sarens helps extract TBM at BC water supply project

The Annacis Water Supply Tunnel Project aims to increase the reliability and capacity of the water supply system in New Westminster, British Columbia. When complete, the tunnel will ... More Information