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Cool Reflections for Overheating Metros!

“Why paint trains with high-performance solar reflective paint ..... .....and fit low emissivity glass windows?” (N.B. The focus of this document is on mixed surface and sub-surface ... More Information

Bergen Point WWTP TBM ready to be shipped to New York

The existing outfall pipe at the Bergen Point Waste Water Treatment Plant (WWTP) in Babylon, Suffolk County, NY, has to be replaced. A 4.33 km (14,200-foot) tunnel, with a 3.05 m (120-inch) inner ... More Information

Sanierungstunnel Belchen - Bi-Component Mixing Plant

The Belchen Tunnel, built in the 1970s, had to be rehabilitated due to damage to the tunnel support structure. In order to keep the traffic restrictions to a minimum, the Belchen rehabilitation ... More Information

Beyond Tunnelling - a manifesto for national action groups

Through the initiative of ITACUS, THINK DEEP groups have been established in recent years or are in the process of being established in several countries. These groups aim at raising awareness of ... More Information

Westgate update

Assembly is underway on the first of the two TBMs that will build the West Gate Tunnel, the Victoria’s alternative to the West Gate Bridge. It will take around 75,000 working hours to assemble ... More Information

Swiss Tunnel Database

Are you interested in finding out comprehensive information about all the tunnels that have been built in Switzerland? Use this link ... More Information

EnigmaCG’s Tunnels 10x10x10

EnigmaCG’s Tunnels 10x10x10 The number 10, for EnigmaCG symbolises us being10 years old. For you it means the first 10 Delegates get a 10% discount for the 4th Annual Innovation in ... More Information

TELT - February

The excavation of the French Saint-Martin-la-Porte construction site (SMP4) with the Fedrica TBM exceeded 77% of the 9 km planned by the end of February. Also in February, the target of 30 m/day ... More Information

Crossrail update

Dynamic Testing has now commenced for the Crossrail Project. Testing is being carried out through the 21 km of new tunnels under central London. Over the next 6 months all the railway’s ... More Information

EUROCK 2020 – Call for papers

EUROCK 2020, is the international symposium of the ISRM, and will be taking place at the Clarion Hotel & Congress in Trondheim from June 15th to 19th 2020. The EUROCK 2020 Program Committee ... More Information

Breakthrough for Sofia Metro Extension Project

On the 27.02.2019 the Dogus Construction-Via Group Construct-Ultrastroy Joint Venture, completed the 5978 m tunnel using a TBM for the Sofia Metro Extension Project Line3, Lot 4 in Bulgaria. The ... More Information

iPS opens offices in Saudi Arabia and Bahrain

iPS – Powerful people has opened a local office in Al Khobar, Saudi Arabia and in Manama, Bahrain. iPS is constantly looking for new opportunities to grow and expand our current business ... More Information

ACCIONA Press Release

The high-speed rail project will connect the city of Oslo with the town of Ski via twin 19.5 km tunnels, the longest in Scandinavia. 28 February 2019- ACCIONA and Ghella have completed ... More Information

First TERRATEC TBM breaks through on Mumbai Metro

The first of seven TERRATEC TBMs being used on Mumbai Metro’s highly anticipated 33.5km underground Line 3 corridor, in India, breaks through on its inaugural drive. In mid-February, TERRATEC ... More Information

"Victory Boogie Woogie” tunnel completed

TBM Catherina-Amalia broke through on the 10th of January 2019 to complete the Victory Boogie Woogie tunnel in the Hague. The TBM was 80 metres long and 11 meters in diameter and bored a tunnel ... More Information

Bucharest M6 metro line

In February 2019 the European Commission (EC) endorsed the EUR 517 million funding dedicated to a section of the M6 metro line planned to link the Bucharest airport ( Henri Coanda in ... More Information

Double breakthrough for the Follo Line

On 26.02.2019 at 14h00 Bane NOR reached an important milestone with the final double breakthrough on the Follo Line project. Anna and Magda, the last two of the 4 Follo Line TBMs broke through at ... More Information

Robbins Webinar - Rapid Excavation: How to Speed up Your TBM Tunnel

In this complimentary 40-minute webinar, Robbins Engineering Director Brad Grothen and Elisa Comis, Associate at McMillen Jacobs, will discuss what rapid excavation really looks like in the field. ... More Information

M4 Metro Line breakthrough

On the 25.02.2019 the second of the two TBMs that are excavating the tunnels of the Western Section of the M4 in Milan reached Frattini Station. In only 22 days the TBM excavated approximately 570 ... More Information

Thames Tideway Super Sewer

Rachel, the TBM digging the west section of the Thames Tideway Tunnel, has been lowered 35 m down the shaft at Tideway's Carnwath Road site in Fulham. Over the coming months, she will begin her ... More Information

WTC 2019

THE WORLD TUNNEL CONGRESS 2019 IN NAPLES, ITALY FROM MAY 3RD TO MAY 9TH 2019. The whole underground industry will meet in Naples to study and discuss the state of art of tunnelling in connection ... More Information

6th Breakthrough on Mumbai Metro 3

On the 20.02.2019 Mumbai Metro 3 Colaba-Bandra-SEEPZ corridor achieved a 6th TBM breakthrough at Sahar Road Metro station, which is being built under Mumbai’s crucial Tansa water ... More Information

STUVA Expo 2019 - 150 exhibitors already registered!

STUVA Expo 2019 - one of the world's leading and largest events in the tunnel. The current demand to exhibit at STUVA Expo 2019 in Frankfurt am Main again indicates a strong participation. Already ... More Information

4th TBM for the Grand Paris Express

On the 7th of February the shield for the fourth TBM, which will drive 3.4 km of the Line 15 South for the Grand Paris Express was lowered into place. The TBM will begin its journey at what will ... More Information

Press release for BBT

Breakthrough in the Tulfes–Pfons section - On February 12th, 2019, the last breakthrough by blasting took place in the Tulfes-Pfons section. On that occasion, a small ceremony was held for ... More Information

TELT update

Paris, 19 February 2019 - The Board of Directors of TELT (the public promoter entrusted by Italy and France with the construction of the cross-border section of the Lyon-Turin railway line), ... More Information

Undersea tunnel planned for Cua Luc Bay in Vietnam

The People’s Committee in the northern province of Quang Ninh want to build an undersea tunnel at Cua Luc Bay. They have submitted the pre-feasibility report to Prime Minister Nguyen Xuan ... More Information

Robbins Crossover TBM completes Turkey’s Longest Water Tunnel

Excavation of Turkey’s longest water tunnel came to an end on December 18, 2018. To get there, a 5.56 m (18.2 ft) diameter Robbins Crossover (XRE) TBM and the contractor JV of Kolin/Limak had ... More Information

ITACET Training Courses during WTC2019

Two ITACET training sessions will be organized on the 3rd and 4th of May during WTC2019. • Tunnelling 4.0 information ... More Information

Struma Motorway - Lot 3.2.1 update

There have been ten offers for the design and construction of the 13.2 km Struma motorway in the 23.6 km section between Kresna and Krupnik, through the Kresna Gorge (Lot 3.2.1). The Lot 3.2.1 ... More Information

News from Australia’s longest road tunnel project

The last truck of spoil excavated from the NorthConnex tunnel was delivered to Hornsby Quarry on 25.01.2019. More than one million cubic metres of spoil was placed to partially fill the quarry, ... More Information

Bahrain Metro Project

Press release-Bahrain announces consultancy tenders for phase one of its metro project. Bahrain's Ministry of Transportation has launched tenders for the appointment of a transaction advisor and ... More Information

Press release - Fourth mega borer starts work on metro tunnels

The fourth of five mega tunnel boring machines (TBMs) has started tunnelling under Sydney. TBM Mabel has been launched at Chatswood to help deliver 31km of tunnels between Marrickville and ... More Information

5th TBM Breakthrough for Colaba-Bandra-SEEPZ

On the 13th of February 2019 a fifth TBM breakthrough was reached for Mumbai Metro 3 corridor at Chhatrapati Shivaji Maharaj International Airport (CSMIA) - T2 metro station. The TBM Wainganga 3, ... More Information

First TBM setting sail for Teesside (UK)

First TBM (length 225 m, weight 1,800 t), after final checks in Germany, is ready to be shipped to Wilton International, Redcar. The TBM will be reassembled and start tunnelling in the second ... More Information

Foundation stone laid for Sela tunnel project

On the 09.02.2019 Prime Minister Shri Narendra Modi laid the foundation stone for the Sela Tunnel Project in Arunachal Pradesh. The Project (BRO) will be completed in the next three years. The ... More Information

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Tunnelling News

Deutsche Bahn awards contract for Munich S-Bahn project

The contract involves structural works for the expansion, including the construction of tunnels and an underground station. The Tunnel Ostbahnhof JV, ... More Information

Excavation completed on Italian side of Brenner Base Tunnel

The tunnel boring machine (TBM) named “Flavia” successfully bored through the Alps beneath the Mules 2–3 section, reaching the Austrian border. More Information

Giant tunnel borer set for Shantou Bay project

A giant tunnel boring machine has been installed for tunnelling under Shantou Bay in Shantou, South China's Guangdong province. [Photo provided to ... More Information

€0.4bn road and tunnel project in Georgia

Work is proceeding on the Kvesheti-Kobi road and tunnel scheme in Georgia. The scheme is part of a larger project, being carried out with Chinese ... More Information

Lahore to transform with Rs49 billion tunnel boring project

Pakistan, April 27 -- The federal government has approved Lahore's Rs49 billion Tunnel Boring Project, marking a major development for the city... More Information

Construction at Cleveland Hopkins International Airport

The 2,100-foot-long tunnel connects the terminal to parking facilities and the tramway leading to the RTA public rail line. During the project, two of ... More Information

AFFHOLDER AND J.F. SHEA TEAM UP ON $700 MILLION CONTRACT

The tunneling subsidiary, Affholder LLC, will lead a joint venture with J.F. Shea Construction, Inc., to build the I-35 Capital Express Central ... More Information

Factory Testing Complete on DC Water's first tunnel boring machine for the Potomac River

Mary passed all the necessary requirements and is one of two TBM's on the project. The tunnel is part of DC Water's Clean Rivers Project, to ... More Information

Work on Chennai Metro tunnel racing to a finish

The machine Flamingo, which started boring in 2023 for the tunnel linking Light House with Thirumayilai, is expected to reach the other end in ... More Information

CPK awards contract to build high-speed rail tunnel in Lodz, Poland

The tunnel, to be constructed using a tunnel boring machine (TBM), will have a ... More Information

Inside HS2: Meet London's miners working on the Northolt tunnels

We are on a tunnel boring machine (TBM) inside High Speed Two's huge Northolt tunnels. These tunnel boring machines are part of a tunnelling ... More Information

Ontario Begins Construction Of Last Tunnel Segment Of The Eglinton Crosstown West Extension

The remaining eastern portion of tunnel construction (500-meter twin tunnels) will use the sequential excavation method, with daily progress of ... More Information

Norway is building the world's longest and deepest subsea road beneath its fjords

We have subsea road tunnels which have that construction. And the new tunnel between Germany and Denmark, there they are laying down cases and put ... More Information

CERN releases report on the feasibility of a possible Future Circular Collider

The estimated cost of construction of the FCC electron–positron stage, including the tunnel and all the infrastructure, is 15 billion Swiss francs... More Information

TBM break through on Auckland's £915M wastewater megaproject completes 16.2km tunnel

Auckland's major wastewater infrastructure project, the Central Interceptor, has reached a significant milestone with the final breakthrough of ... More Information

In pics: construction site of Chongming-Taicang tunnel

A smart assembling vehicle works at "Linghang" large diameter shield tunneling machine at the construction site of the Chongming-Taicang tunnel, part of the Shanghai-Chongqing-Chengdu ... More Information

IN PICTURES: Spectacular images of the removal of HS2's huge tunnelling machine

TBM Sushila was used to construct part of the Northolt Tunnel – an 8.4-mile tunnel ... construction/london-tunnels/progress-3/northolt-tunnel/tbm- ... More Information

Historic tunnels uncovered beneath Salisbury station during £5.3M upgrade project

Engineers from Network Rail and South Western Railway have uncovered a network of tunnels and rooms beneath Salisbury station during ongoing £5.3M upgrades to the station’s forecourt... More Information

Massive $450m road project connecting Russia and Georgia with six bridges & five tunnels

Massive $450m road project connecting Russia and Georgia with six bridges & five tunnels. The new road will pass through Georgia along a trade route ... More Information

Buca Metro Tunnel Excavations Reached 50 Percent Level

Important progress is being made in the construction of the line, where four tunnel boring machines (TBMs), each 100 meters long, 7 meters wide and ... More Information

'Very promising' narrow-reef boring technology nearing rollout stage

A novel tunnel boring machine (TBM) will open up Bokoni's narrow tabular dipping PGM orebody to allow narrow-reef boring to take place, so that ... More Information

A vast undersea tunnel is being built

The 7.4 billion-euro ($7.7 billion) project is a huge undertaking, in every sense. Each section of the tunnel is colossal. These concrete structures ... More Information

National Grid gets planning permission for Grain to Tilbury upgrade with new Thames tunnel

National Grid has secured full planning approval for the Grain to Tilbury project, which includes a new power tunnel under the River Thames... More Information

Right track tunnel of Huangjialing Tunnel in NW China's Gansu drilled through

A staff member works on the construction site of the right track tunnel of the Huangjialing Tunnel in Linxia Hui Autonomous Prefecture, northwest ... More Information

Shetland Islands tunnels plan takes 'huge step forward' with sonar investigations

This phase will further inform the project's development and feasibility. The tunnel project, seen by locals as pivotal for improving ... More Information

Construction of the Tarande tunnel begins next week

On March 17th, in Vilnius district Construction of a tunnel and other related infrastructure will begin at Taranda and Bukiškis. This project aims ... More Information

Delhi Metro's Golden Line achieves major tunnel breakthrough;

The construction of Delhi Metro's Golden Line achieved a major milestone on Thursday as the Tunnel Boring Machine (TBM) broke through at the ... More Information

RiverRenew Tunnel Project Nearing Completion

The RiverRenew Tunnel System Project, the largest infrastructure investment in Alexandria's history, is nearing completion. More Information

Sydney Metro West tunnels enter final stretch after big breakthrough

Two tunnel boring machines (TBMs) constructing the huge Sydney Metro West tunnels have made a smashing entrance 24 metres below the surface. More Information

Chennai Metro Rail launches first tunnel boring machine for underground tunnelling in Kolathur

Corridor 5 begins at Madhavaram Milk Colony and connects through Koyambedu, Porur, Alandur and other residential/commercial areas of the city to ... More Information

Element Six, Master Drilling Announce Tunnel Development Partnership

Element Six and Master Drilling will deliver a diamond-enabled solution designed to increase tunneling development speed, reducing costs and minimize the environmental impact of tunnel ... More Information

Gateway Project Tunnel Connecting NY and NJ Moves Forward

Five Gateway contracts have been awarded so far, including one on Predergast's first day for construction on the Manhattan side of the tunnel... More Information

HSR Xi'an – Yan'an: Completion of All Tunnels in the Project

The HSR Xi'an – Yan'an has completed the excavation of all tunnels, including the Tongchuan Tunnel. This is a key milestone in the construction ... More Information

Brazil's US$1bn underwater tunnel project making waves among potential bidders

The first underwater road tunnel project in Brazil is attracting interest from multiple potential bidders, an official familiar with the matter ... More Information

Element Six and Master Drilling Announce Strategic Partnership for Advanced Tunnel

Achieving high quality, nonexplosive tunnel construction with various aspects of value generated compared to traditional rock excavation methods is a ... More Information

Tutor Perini Wins a $1.2 Billion NYC Contract

A joint venture of Sylmar-based civil construction firm Tutor Perini Corp. and its subsidiary Frontier-Kemper Constructors has won a $1.18 billion contract to construct a pair of rail ... More Information

Milestone reached for $1.6b Auckland wastewater tunne

Watercare's Central Interceptor project has passed an historic milestone with the southern half of the 16.2 kilometre tunnel – Blockhouse Bay ... More Information

Elon Musk's 'Wormhole' Tunnel Promises To Carry 20,000 People Per Hour In Dubai

It’s been more than eight years since Elon Musk decided he was fed up with traffic and declared he’d start digging tunnels to revolutionize public transport across the United States. So ... More Information

First tender for Dubai’s $22bn tunnels due within days

Dubai Municipality is expected to tender the first two packages of the $22bn Dubai Strategic Sewerage Tunnels (DSST) project imminently... More Information

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