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Kiora TBM rescued

The 19.8 km-long Kiora tunnel for the Yin Hong Ji Shi water diversion project in Tabai County of Shanxi Province comprises 8.7 km drill/blast and 11.1 km TBM drive. The drill/blast section has been completed, but the double shield TBM became trapped in poor ground after driving just 6 km. More Information

Breakthrough in Slovenia

The contract to build the twin-tube Markovec road tunnel was awarded to Alpine and its Slovenian partner CPM (Cestno podjetje Maribor) in 2009, but CPM went into receivership in February, 2011 More Information

Hard task in Korea for new Sandvik rig

A Sandvik DT1130i three-boom drill rig, one of the new series from Sandvik, is being employed by Taeah Construction to excavate 2.4 km of the Gwanak highway tunnel south of Seoul. More Information

North American Tunneling 2012 for Indianapolis

The prestigious biennial conference North American Tunneling will take place 24th-27th June, 2012 at the JW Marriott in Indianapolis, IN, US, organized by Underground Construction Association of Society Mining, Metallurgy and Exploration Inc (UCA of SME). More Information

Mergellina-Municipio Wirth EPB extracted

Extraction of the Wirth EBP and backup will be completed end-March following construction of the Mergellina-Municipio section of Line 6 metro in Naples. More Information

News from Adfil

Andrew Kitchen, GM at Adfil Construction Fibres, is headlining the company newsletter for March, 2012. More Information

Crossrail shortlists C610 qualifiers

Crossrail has declared five organizations are shortlisted for contract C610: Alstom Transport/TSO/Costain Ltd JV; Balfour Beatty Rail Ltd; BAM Nuttall/Ferrovial Agroman/ Kier Construction JV; Laing O’Rourke Construction/Volker Rail More Information

Matrican injection moulds for tunnels

Cantabrian manufacturer Matrican, with more than 40 years experience in the design and production of customized thermoplastic injection moulds, More Information

Rapallo-Fontanabuona presentation

On 23.03.2012 the preliminary design for the link between Val Fontanabuona and the A12 Genova-Rome was presented by Spea Engineering Europe Spa. More Information

Robbins successes at Sochi

Robbins successes at Sochi

Two Robbins double shield TBMs have been working at the Sochi 2014 Winter Olympics site in Russia in complex geology with multiple fault zones. More Information

Fehmarnbelt project briefing

Around 500 participants from 17 countries met up in Copenhagen on 21.03.2012 for briefing on the construction of the 18 km-long tunnel under the Fehmarnbelt to link Germany and Denmark. More Information

Safety of life in tunnels

The international conference SOLIT takes place in Berlin, Germany on 27-28 June, 2012 with a focus on integration of fire fighting systems. More Information

Normet expands southern Africa presence

Normet expands southern Africa presence

South African Gary Clench, who has 36 years hands-on sales and marketing experience in the underground sector, More Information

Walking to Billy Bishop airport

Construction of the Port Authority pedestrian tunnel to Billy Bishop Toronto City Airport commenced this month. The More Information

Novel shotcrete speeds three Robbins TBMs

Novel shotcrete speeds three Robbins TBMs

Once completed in 2014, the 44.6 km-long Pahang Selangor raw water tunnel in Malaysia will be the longest tunnel in Southeast Asia. More Information

Deo Ca Pass tunnel plans

Deo Ca Pass tunnel plans

Deo Ca Pass tunnel construction is starting around now for completion mid-2016. The new 13.4 km road, from Hoa Xuan Nam More Information

Multi-purpose tunnelling rig from Atlas Copco

The new Boomer E1 C-DH single boom diesel hydraulic drillrig has face coverage of 95 sq m. More Information

ISTRICE – polymer structural fibres for tunnelling

Italian manufacturer ISTRICE has 30 years experience in the synthetic monofilament extrusion sector, resulting in a range of unique, patented fibres for structural reinforcement of concrete. More Information

Breakthrough in Scrajo tunnel

Breakthrough in Scrajo tunnel

On 05.03.2012 breakthrough was achieved in the new Scrajo rock tunnel on the SS145 Sorrentina bypass between Pozzano and Seiano. More Information

Thessaloniki metro extension to start

Construction of Thessaloniki Metro extension to Kalamaria will begin in autumn, 2012. Four bidders have received the tender documents. More Information

INTERtunnel 2012 returns to Turin

The latest technologies for tunnel design and management will be on show at INTERtunnel, organized by Mack Brooks Exhibitions at Turin’s Lingotto exhibition complex from March 27th to 29th, 2012. More Information

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

Tunnelling News

Tesla Cybertruck escorts Boring Co's Prufrock-3 tunnel boring machine

The Boring Company's Prufrock-3 tunnel boring machine (TBM) recently completed a tunnel to Giga Texas, and in true Elon Musk fashion, ... More Information

Kazakhstan’s First Automobile Tunnel and Largest Bridge to be Completed this Year

As reported by the Kazakhstan’s Ministry of Transport, Kazakhstan’s first automobile tunnel through the Shakpak Baba Pass and the country’s largest bridge over the Bukhtarma Reservoir ... More Information

HRBT Expansion Project hits big milestone, could be on track for early completion

The tunnel boring machine, known as Mary ... construction of our two new bored tunnels,” said Project Director Ryan Banas... More Information

TBMs Pass Factory Test For Lesotho Highlands Water Project

A team of engineers and tunnel experts from the Lesotho Highlands Development Authority (LHDA) together with consultants and contractors working on the Polihali transfer tunnel recently ... More Information

Royal Cargo opts for Goldhofer heavy transport equipment

It has also been in action moving tunnel boring machines (TBM) for the Metro Manila Subway project ... machine part posed a significant challenge due ... More Information

Tunnel breakthrough on NI Water's £7.8M Portadown wastewater project

The tunnel boring machine excavated roughly 1,000m3 of material, which would have risen to 8,000m3 of spoil with a more traditional open-cut method. More Information

The Boring Company announces Cybertunnel at Tesla Texas HQ

In January, the company's latest tunnel boring machine (TBM), Prufrock 3, was first spotted near Tesla's Giga Texas. Prufrock-3 has ... More Information

How do you build tunnels and bridges underwater?

Underground construction usually uses powerful tunnel-boring machines to excavate soil directly. This machine is often called a mole for a reason. More Information

Five Huge New Construction Projects Coming To The US

A spokesperson for the project told Newsweek: "The Hudson Tunnel Project is a generational investment that is expected to create 95,000 new jobs and ... More Information

Chennai Metro Corridor 3: Adyar River Tunnel Work Hampered By Geological Setbacks

For the stretch between Greenways Road and Adyar, CMRL engaged two TBMs, 'Kauvery' and 'Adyar.' These machines were launched from Greenways Road ... More Information

French and Danish firms to build Valby 'cloudburst tunnel'

The underground tunnel will be 2,380m long and will be constructed as a drilled tunnel with an internal diameter of 3.4m. The tunnel will have the ... More Information

Howard's approved budgets include $44.9M for Ellicott City tunnel

The Howard County Council has approved a $2.4 billion operating budget for fiscal 2025, along with a $413 million capital construction budget that ... More Information

DC Water Breaks Ground On Potomac River Tunnel Project

DC Water on May 21 hosted a groundbreaking ceremony to officially commence construction activities for the Potomac River Tunnel Project... More Information

Silvertown Tunnel portal connections completed

A complete transformation of the tunnel shape was needed to connect the circular tunnel boring machine (TBM) constructed ... More Information

The $4BN Tunnel to Save Stockholm - The B1M

Above: A tunnel entrance under construction. When it completes in 2030, the $4BN project will be one of the longest road tunnel systems in the world. More Information

OHLA awarded the Gjønnes tunnel in Norway for nearly 160 million euros

The Norwegian Public Roads Administration (Statens Vegvesen) has awarded the company the design and construction of the Gjønnes tunnel for 156 ... More Information

Utilities tunnel dug through 'challenging' ground conditions under River Tees

Main contractor Farrans Construction worked with specialist contractor Joseph Gallagher to construct the tunnel. During its five weeks of tunnelling ... More Information

China develops world's first boring and blasting machine

In a groundbreaking development, the world's first boring and blasting machine, jointly developed by Tsinghua University and China Railway Science and Industry Group, has successfully ... More Information

Tunnel boring machine wedged in hard rock, leaving Snowy 2.0 hydropower project with new issues

Tunnelling problems are plaguing the $12 billion Snowy 2.0 hydropower project, with a boring machine previously bogged in soft ground now wedged in ... More Information

Construction Complete On New High-Speed Rail Tunnel

Inside the completed Desheng Tunnel, and inset, a Chinese high-speed train. Work on the project is now complete. © China ... More Information

DC Water Breaks Ground on Potomac River Tunnel Project

The Project consists of a large-diameter deep sewer tunnel, diversion facilities, drop shafts, and support structures to capture flows from existing ... More Information

Morocco’s proposed $13 billion underwater tunnel to connect Europe to Africa by 2030s

An historic intercontinental rail link is aiming to link Europe to Morocco with an ambitious underwater tunnel. The Moroccan National Company for Strait Studies (SNED) announced last ... More Information

Government set to fund £1bn final HS2 London tunnel drive

The project was halted as part of Prime Minister Rishi Sunak’s £6.5bn cost-cutting plan announced last October. This involved axing phase 2 to Manchester and finding a private investor ... More Information

HS2 Project Update, May 2024

Our Victorian railways have carried us successfully through history, but with passenger numbers continuing to rise, investing in new, modern railway lines like HS2 is the key to meet the ... More Information

PM inaugurates breakthrough of Sunkoshi Marin Diversion tunnel

A breakthrough of the Sunkoshi Marin Diversion Multi-purpose Project tunnel has been made... More Information

Toronto's Eglinton Crosstown extension moves closer to tunnelling completion

The project is being delivered by Infrastructure Ontario and Metrolinx. West End Connectors was awarded the C$729M (£425M) contract to design, build ... More Information

_Fehmarnbelt tunnel program hits major milestone

DEME Group said that the Fehmarnbelt tunnel project, one of Europe's largest infrastructure projects, has achieved a significant milestone with ... More Information

The incredbile new £12bn mega-tunnel that could end traffic chaos in world famous city

Construction on the £12.63 billion mega-tunnel has already begun and it is expected to be open in 2035. · Animation for The Hudson River Tunnel project. More Information

Great Lakes Tunnel Project makes progress

Ready to move forward. Enbridge is preparing to begin tunnel construction as soon as possible, following receipt of environmental permits ... More Information

Hudson Tunnel Project is expected to create 95,000 jobs

The report is based on research done on behalf of the Gateway Development Commission. “The Hudson Tunnel Project is the most pressing infrastructure ... More Information

The $2.8BN Megaproject Dividing London

London is building a controversial new tunnel under the River Thames. Head to https://brilliant.org/TheB1M/ for a 30-day free trial + the first 200 people will receive 20% off their ... More Information

Namma Metro: Underground tunnel work on Pink Line 95% complete

This underground portion includes the ambitious task of constructing 20.992 km of twin tunnels. Progress is also underway on the construction of 18 ... More Information

How an ancient water tunnel design is cooling 21st-century streets

In Seville, 3,000-year-old underground technology is being transformed in modern day air-conditioning. An aqueduct at the unopened CartujaQanat pilot ... More Information

Frederick Douglass Tunnel Program B&P Tunnel Replacement Project

Project Description: Proposed utility and roadway relocations include civil work to support the construction of Amtrak's Frederick Douglass Tunnel. More Information

Fehmarnbelt | Purpose-built vessel arrives to line tunnel trench with gravel 'cushion'

The Fehmarnbelt Fixed Link is a new road and rail tunnel being constructed between Denmark and Germany. It will comprise 89 precast concrete ... More Information

Successful Breakthrough of Gudauri Tunnel in Georgia's North-South Corridor KK Highway Project

KAZBEGI, Georgia, April 23, 2024--The 10-kilometer LOT1 Section is constructed by China Railway Tunnel Group Co., Ltd., of which the Gudauri ... More Information

Construction of Shinku La Tunnel to bolster all-weather connectivity in Ladakh Rising Kashmir

Leh, Apr 21: Member of Parliament from Ladakh, Jamyang Tsering Namgyal, announced that work on the strategically vital Shinku La Tunnel is set to ... More Information

Tunneling works for key Davao bypass road seen completed this year

The Davao City Bypass Construction Project is among the 14 foreign-assisted infrastructure projects approved by the National Economic Development ... More Information

Hamptons Subway Cuts Ribbon on New Foxwoods Tunnel

Hamptons Subway, with U.S. Transportation Secretary Pete Buttigieg, cut the ribbon to begin construction of the new tunnel from Sag Harbor to ... More Information