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Femern to submit German application

Femern A/S has now completed a 10,000pp application to build a fixed link across the Fehmarnbelt. More Information

Big Australian order for NFM

Big Australian order for NFM

NFM Technologies has received an order to supply four 6.99 m-diameter hard rock TBMs to the North West Rail Link in Sydney, Australia. More Information

Datwyler reliable sealing systems

Datwyler reliable sealing systems

Datwyler has taken a foundation sponsorship at tunnelbuilder.es, the Spanish-language edition of tunnelbuilder.com aimed at Spanish-speaking tunnelling engineers working in countries across the globe. More Information

tunnelbuilder readership

The number of visitors to tunnelbuilder websites exceeded 620,758 in the past 12 months, with tunnelbuilder.com alone averaging more than 1,000 visitors/day. More Information

CIFA and Zoomlion celebrate

CIFA and Zoomlion celebrate

CIFA has celebrated its 85th anniversary and the fifth anniversary of its acquisition by Zoomlion Group. On 12.09.2013 CIFA officially opened its renovated Senago headquarters and production building More Information

Second Gotthard tube

On 13.09.2013 the Swiss Federal Council sent to Parliament a proposal amending the Federal Law on road transit in the Alpine region to allow the construction of a second tube for the Gotthard tunnel without increasing capacity. More Information

PPS guidance for the world

PPS guidance for the world

PPS has taken a foundation sponsorship at tunnelbuilder.es, the Spanish-language edition of tunnelbuilder.com aimed at Spanish-speaking tunnelling engineers around the world. More Information

Maddalena survey tunnel

Maddalena survey tunnel

Assembly of the TBM is underway on the site of La Maddalena in Val di Susa, Italy. Excavation of the first 200 m of the 7.5 km-long survey tunnel of La Maddalena More Information

London Power Tunnels

The latest milestone in Costain’s EUR230 million contract on National Grid’s London Power Tunnels project, which is being constructed with Skanska, More Information

More work on Granada motorway A7

The Board of Ministers authorized additional work for the Almunecar (Taramay) - Salobrena (Lobres) section on the motorway A7, in the province of Granada, estimated value EUR30.12 million. More Information

tunnelbuilder archive

The tunnelbuilder archive is a unique reference of 15 years’ operations in the global tunnelling industry, covering short and long projects from inception to completion, More Information

Big NFM EPB docks in Sicily

Big NFM EPB docks in Sicily

The largest parts of the EPB TBM built by NFM in France have arrived by ship in Porto Empedocle, in the province of Agrigento. More Information

Putzmeister at PeruMin

Putzmeister at PeruMin

Putzmeister is exhibiting at the Mining Technology Exhibition hosted by PeruMin at Arequipa 16-20th September, 2013. More Information

CBE a step ahead in China

CBE a step ahead in China

CBE Group is present in 18 Chinese cities and with a manufacturing plant in Yangling. More Information

Gerald Karch heads Putzmeister

Germany-based concrete and mortar technology specialist Putzmeister has appointed Dr Gerald Karch as CEO to succeed Norbert Scheuch. More Information

News from Sluiskil

On 08.08.2013, 11.34 m-diameter Herrenknecht TBM Boorbara began excavation of the south tube of Skuiskil tunnel under the Ghent-Terneuzen canal. Excavation of the north tube, which started on 27.01.2013, ended mid-May. More Information

Eurasia tunnel excavation schedule

For driving the Eurasia tunnel beneath the Bosphorus, Turkish-South Korean construction consortium Yapı Merkezi Insaat ve Sanayi AS/SK Engineering & Construction ordered a specially developed 13.6 m-diameter Herrenknecht TBM Mixshield. More Information

Marti chooses Sandvik for Solbakk

Marti chooses Sandvik for Solbakk

Marti Group will employ four intelligent computer-controlled Sandvik DT1 series jumbo drilling rigs at 14.3 km-long Solbakk tunnel, the world’s longest subsea road tunnel More Information

Railworld summit in Bangkok

For those who like railways, metros and tunnels, the ninth Railworld Summit takes place in Bangkok, Thailand 23-25th October, 2013. More Information

BTS London conference

The British Tunnelling Society conference and exhibition is billed as the UK tunnelling event of the year, with over 50 booths sold. More Information

Australian conference call

Call for papers for the fifteenth edition of this triennial event to be held at Hilton Hotel, Sydney 17-19th September, 2014. More Information

Four Robbins EPBs for Brazil

Four Robbins EPBs for Brazil

Metro Fortaleza will be the first application of Robbins EPBs in Brazil. Four 6.92 m-diameter machines have been ordered ahead of contractor selection. More Information

ExpoTunnel in Bologna, Italy 17-19 October 2013

ExpoTunnel in Bologna, Italy 17-19 October 2013

The first edition of the trade show dedicated to all product sectors related to underground, for the creation of underground works as well as the investigation and exploration of ground conditions, will take place on 17th-19th October, 2013 at Bologna Fairground. More Information

SR99 TBM starts digging

SR99 TBM starts digging

On 30.07.2013 TBM Bertha, involved in the Alaskan Way Viaduct Replacement More Information

Sandvik drilling rigs for Sakarya

Sandvik drilling rigs for Sakarya

Contractor Bayburt has ordered seven Sandvik rigs for its Turkish State Railway project More Information

iPS seeking TBM professionals

International recruitment consultant iPS is currently looking for personnel for an upcoming project in Europe starting mid-September. More Information

San Giorgio/Brunico bypass proposals

Florian Mussner, provincial commissioner of public works at Bolzano, presented the 13 variants for the construction of a bypass in San Giorgio/Brunico. More Information

Mom Chung bites dirt at San Francisco

On 26.07.2013 the Robbins EPB, named Mom Chung, started digging, kicking off construction of San Francisco’s new subway tunnel. More Information

TBM Martina ended Sparvo tunnel

TBM Martina ended Sparvo tunnel

On 29.07.2013, after only eight months tunnelling, the 15.62-diameter TBM Martina, built by Herrenknecht for Toto Costruzioni Generali, broke through the 2,600 m south tube of Sparvo tunnel More Information

Terratec microtunnelling system for Bangkok

Terratec microtunnelling system for Bangkok

Terratec has completed factory acceptance tests for a 1.5 m-diameter microtunnelling system to be used in the Bangkok metropolitan area. More Information

Another tunnelling milestone

Tunnelling has been concentrated in Italy, Norway and Spain over most of the 15 years during which tunnelbuilder has been monitoring activity. More Information

Delegations at ExpoTunnel

Delegations at ExpoTunnel

Major Russian and Brazilian delegations will be introduced at ExpoTunnel in Bologna, 17-19th October, 2013 as part of the internationalisation plan for the show. More Information

Robbins sets Indianapolis 24-hour record

Robbins sets Indianapolis 24-hour record

Just two weeks after Tony Kanaan set the fastest winning average speed of over 300 km/h in the Indy 500, a 37 year-old, 6.2 m-diameter Robbins More Information

Milan metro holed out

On 18.07.2013 the fourth and last TBM, the S238 named Roberta driving the underground section between Monumentale and Tre Torri stations, reached Pozzo Orafi, More Information

Sold at Ritchie Bros auction in Caorso

Sold at Ritchie Bros auction in Caorso

At a large industrial auction held by Ritchie Bros. in Caorso (Piacenza) on 11.07.2013, a selection of 1,130 heavy equipment items and trucks were sold to a large crowd of bidders. More Information

Second breakthrough in Val Sarentino

Breakthrough in the second Val Sarentino road tunnel is scheduled for midday on 19.07.2013. More Information

Tunnelling News

East West Rail between Bedford and Cambridge to include new tunnels

15 November, 2024 By Thames Menteth Revised proposals for the East West Rail scheme’s section between Bedford and Cambridge include a new section of railway, as well as new stations and ... More Information

Amtrak's $1.6B East River Tunnel Rehab Work Contractors Get Notice to Proceed

Amtrak's $1.6-billion East River Tunnel Rehabilitation Project in New York is advancing after construction manager STV Inc./Naik Consulting Group ... More Information

Tunnel Boring Machine for National Grid's VIP project in Eryri set to arrive in North Wales

National Grid is reaching a major milestone on the Eryri Visual Impact Provision (VIP) scheme with the arrival of its Tunnel Boring Machine (TBM) to ... More Information

Tunnel boring machine hits major milestone on Snowy 2.0 project

The Snowy 2.0 pumped-hydro megaproject recently marked a significant milestone, with one of three tunnel boring machines (TBM), Lady Eileen Hudson ... More Information

Morocco-Spain Underwater Tunnel Plans Move Forward with Renewed Focus

Discover the ambitious Morocco-Spain Underwater Tunnel project, set to connect continents in under 30 minutes and revolutionize travel between ... More Information

Alaska Transportation Department to spend $1 million on Knik Arm tunnel study

The results of the feasibility study will give us a better picture of how the project could be constructed, potential costs, and financing options,” ... More Information

Extra tunnels included in £6bn East West Rail scheme

Bowing to pressure to reduce the project's environmental impact two tunnels are now proposed for the new stretch of railway in Cambridgeshire. Design ... More Information

Balfour Beatty VINCI reaches halfway point on key HS2 'green tunnel'

As well as Burton Green, green tunnels will be constructed at Copthall in Hillingdon, Wendover in Buckinghamshire and Chipping Warden and Greatworth, ... More Information

Webuild-led consortium confirmed for US$1.1 billion tunnelling work

Webuild-led consortium confirmed for US$1.1 billion tunnelling work (US$1.1 billion) tunnelling package on the Suburban Rail Loop (SRL) East public transport project to a consortium of ... More Information

Balfour Beatty snares $746M I-35 rebuild in Texas

The London-based contractor will reconstruct 2.5 miles of the highway through downtown Austin and build a link to the future light rail line. AECOM-Jacobs JV signs on to $6B Amtrak tunnel ... More Information

Metro Vancouver digs water tunnel designed to withstand 'the big one' under Fraser River

Crews have begun construction on a new $450-million water supply tunnel between New Westminster and Surrey designed to withstand a major earthquake. More Information

Longest tunnel in Poland begins construction

The project, managed by the Polish company Budimex and Turkish Gülermak, includes 10 viaducts and 12 bridges. This unprecedented investment will ... More Information

Watercare Passes Key Milestone On $300M Programme To Improve Wastewater Services

Watercare and McConnell Dowell celebrate Piper's final breakthrough. On Sunday (subs note: November 10), Piper – a tunnel-boring machine – completed ... More Information

Tutor Perini Scores Contracts

The tunnel project includes the construction of two new shafts connecting to the surface and the use of a tunnel boring machine. The completed ... More Information

Bengaluru Metro completes tunnelling for longest underground line

The final breakthrough came from Bhadra, the last Tunnel Boring Machine (TBM) deployed, which completed a 937-meter stretch from K G Halli to Nagawara ... More Information

Eastern Freeway Upgrade preferred bidders confirmed

Tunnel boring is currently underway on the North East Link project, with machines currently digging under Yallambie. Federal Minister for ... More Information

Bengaluru civic body completes DPR for 18-km underground tunnel road network

Designed to ease Bengaluru's notorious traffic congestions, the project will deploy six massive Tunnel Boring Machines (TBMs) with a diameter of 14.7 ... More Information

Frontier-Kemper Awarded $1.1 Billion Kensico-Eastview Connection Tunnel Project

Frontier-Kemper Awarded $1.1 Billion Kensico-Eastview Connection Tunnel Project for New York City Department of Environmental Protection... More Information

Assam's first underwater tunnel: CM Himanta Biswa Sarma says DPR nears completion

Assam Chief Minister Himanta Biswa Sarma announced that the Detailed Project Report (DPR) for the Gohpur-Numaligarh tunnel project is almost ... More Information

The Tunnel Vision: A look at California's $20B plan to solve to the state's water crisis

Minassian describes the process, locations and implications of the operation using four tunnel boring machines. READ STORY | HEAR PODCAST. PART 3 ... More Information

Ruby deployed for final Metro West tunnel beneath Sydney Harbour

Tunnel boring machine (TBM) Ruby has begun carving out the final section of tunnel for the Sydney Metro West project. More Information

Photos: Inside the $250 Million Tunnel Being Constructed Under Columbus

Located at an average depth of 50 feet underground, the 12-foot-diameter tunnel has been under construction since early 2021. By the time it is ... More Information

Tideway: £4.5bn ‘super sewer’ begins to protect Thames as first 4 sites activated

The Thames Tideway Tunnel has commenced operation as the first four of 21 sites have been switched on. This means that, after eight years of construction, the 25km £4.5bn “super sewer” has ... More Information

Lowest bidder emerges for Dubai Metro Blue line

Dubai’s Roads & Transport Authority (RTA) opened bids from contractors for the contract to design and build Dubai Metro’s Blue Line on 8 October. The group of China Tiesiju Civil ... More Information

Sanya River estuary passage project makes steady progress

A drone photo shows the construction site of the Sanya River estuary passage project in Sanya, south China's Hainan Province, Oct. 12, 2024. The Sanya River estuary passage project ... More Information

Mumbai Metro 3: Breaking Ground, Defying Odds

Two tunnels for the 33.5-km corridor (Colaba to Aarey), totalling 55 km, were carved out, using 17 Tunnel Boring Machines (TBMs). Certain sections ... More Information

VIDEO: Drone fly through inside new HRBT tunnel

We can't fly you to the moon, but we can fly you through the new #HRBTExpansion tunnel. Drone video gives you a quick glimpse into the... More Information

Skanska receives Innovate UK funding to accelerate decarbonisation of concrete

Our Skanska Costain STRABAG JV has secured funding to trial repurposed London Clay as a low carbon alternative to cement... More Information

Longest Tunnel in the World Entering Final Phase Underneath Newburgh

Repair Plans for the Delaware Aqueduct in Wawarsing and Newburgh, NY. The plan for repairs involved the construction of a 2.5 mile bypass tunnel ... More Information

Two TBM's break through

Two TBM's break through. Joshua Farrell ... tunnelling segments to line the new tunnel walls. Work inside the ... More Information

Texas A&M eyes Elon Musk's Boring Company for tunnel system

A&M officials have conducted a feasibility study with positive results, but they have yet to talk with Musk about the project, Chief Operating Officer ... More Information

Construction Begins on £1.8bn Underwater Tunnel Under Panama Canal

The tunnel is part of Panama's Metro Line 3 monorail project, designed to ease traffic congestion in the metropolitan area. tunnel boring machine... More Information

Webuild at work on the massive railway tunnel at the heart of the Northeast Corridor

After years of planning, the Hudson Tunnel Project (HTP) to improve the railway connection between New York and New Jersey has begun. The first drilling contract for the tunnels, part of ... More Information

TfL Awards Contract for Elephant & Castle Tube Station Upgrade

Transport for London (TfL) has selected Dragados UK to design and construct new passenger tunnels at Elephant & Castle Tube station. These tunnels will connect the new station box to the ... More Information

More than 10 years of transformational tunnelling

More than 23,000 workers, 11 tunnel boring machines (TBMs) and an army of roadheaders and excavators are what it has taken for CPB Contractors to construct more than 80 kilometres of ... More Information

Ivy – the Newest Member of the DEME Marine Fleet on the Fehmarnbelt Tunnel Project

DEME have introduced “Ivy”, the newest member of their marine fleet for the Fehmarnbelt tunnel project! Specifically designed for the transport and immersion of the project’s 89 massive ... More Information

Double down: SA’s groundbreaking purchase

Up to twice the number of Tunnel Boring Machines previously anticipated will be delivered to South Australia for the landmark River Torrens to Darlington (T2D) Project, giving hope the ... More Information

CRL Tunnel Vision September 2024

This month in Tunnel Vision we’re celebrating Te Wiki o te Reo Māori! It’s been a busy month on the CRL fitting out the stations with all the technical systems needed to run and revealing ... More Information

Siddhababa tunnel achieves key breakthroughs.

The first and third cross passages of the Siddhababa Tunnel Project on the Siddhartha Highway have achieved breakthroughs. Construction of two of ... More Information