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Mumbai Metro Line 3 has accomplished its 37th breakthrough!

On 22/04/2021 the Mumbai Metro Rail Corporation (MMRC) achieved its 37th breakthrough at Chhatrapati Shivaji Maharaj Terminus (CSMT) Metro Station o the metro line 3 in Mumbai. The Robbins made ... More Information

Coxwell Bypass Tunnel - Breakthrough for TBM Donnie

On the 21/04/2021 the TBM Donnie - 115 m in length and 1,000 t weight -  broke through successfully  completing the first half  - 5,473 m (17,956 ft) - ... More Information

Israel - Final breakthrough of the tunnel Yefe Nof, Highway 16

Israel - Final breakthrough of the tunnel Yefe Nof, Highway 16

In March 2021 the JV Shapir Civil & Marine Engineering Ltd (50%) & Impresa Pizzarotti & C. SpA (50%) – had the final breakthrough of the tunnel Yefe Nof . This completed the ... More Information

EU Contribution for Lyon-Turin railway increases

The European Union is re-evaluating its contribution to the new Turin-Lyon railway line in order to increase it to 55%. At the end of March 2021, the Permanent Representatives Committee (Coreper) of ... More Information

TBM MudHoney Ready to Get to Work in Seattle

TBM MudHoney Ready to Get to Work in Seattle

On 16/04/2021 the Ship Canal Water Quality Project unveiled the new name of their TBM and it was lowered into the ground in Seattle, Washington.    MudHoney had the highest number of ... More Information

Rachel TBM for Clearwater project

Rachel TBM for Clearwater project

On 15/04/2021 Clearwater project’s TBM was unveiled and the student finalists that named the TBM and took part in the art contest were recognized.  TBM Rachel will now drive a new 11km ... More Information

Breakthrough on North Bristol relief sewer

Breakthrough on North Bristol relief sewer

Last week, TBM Fionnuala broke through at MH09 - a 6m diameter shaft 30m deep, following a 2km long drive, as part of the North Bristol relief sewer project. Fionnuala will take a short break at ... More Information

Serravalle Tunnel Completed

On 16/04/2021 at the Libarna site, near the municipality of Arquata (AL) there was a breakthrough inside a chamber  of the Serravalle tunnel, the second longest tunnel for the Terzo Valico dei ... More Information

Early registration for RETC 2021

Early registration ends May 10 for the Rapid Excavation and Tunneling Conference (RETC), June 13 - 16, 2021 in Las Vegas.  Every two years, industry leaders and practitioners from around the ... More Information

Launch Event for Clearwater TBM at Los Angeles

The Clearwater Project is being built to protect local waterways by addressing aging infrastructure. The project involves constructing a new 18-foot diameter tunnel using a state-of-the-art TBM. On ... More Information

Cipa in France

Cipa in France

Since 2018, the Paris metro has seen and continues to see Cipa working on the project. Cipa Italia, plays a leading role in the implementation of transport improvements and the strengthening of ... More Information

Let’s Talk Tunnelling Podcast with Dallas Adams

Let’s Talk Tunnelling is a Podcast featuring tunnel, mining and civil construction people sharing their experiences and knowledge of working in the underground construction industry. The host ... More Information

Epiroc launches the next generation multi-role face drill rig

Epiroc launches the next generation multi-role face drill rig

Boomer M20 – the world´s first face drill rig with internal hydraulics - With protected hydraulics, sensors and cables, Epiroc’s new Boomer M20 is designed and built to ... More Information

Surveillance plan introduced to improve safety of Italian tunnels

On the 09/04/2021 the Minister of Sustainable Infrastructures and Mobility, Enrico Giovannini, signed a Ministerial Circular which, updating the technical-regulatory framework defined by the ... More Information

TBMs Millie and Joan complete their tunneling journeys

TBMs Millie and Joan complete their tunneling journeys

Two of the four TBMs digging the Melbourne Metro Tunnel have reached their final destination in Melbourne’s CBD.   TBM Millie travelled from the Anzac Station site and under the ... More Information

Boreas Tunnelling a new division dedicated to providing staffing solutions to the tunnelling industry

Boreas Tunnelling a new division dedicated to providing staffing solutions to the tunnelling industry

Tunnelling towards success - Boreas Holding launched a new business division dedicated to providing solutions to the tunnelling industry. Boreas Tunnelling, operating as a division under ... More Information

The new Prague-Smíchov - Beroun railway line

The new Prague-Smíchov - Beroun railway line

The Czech Railway Administration is preparing the construction of a new double-track line on the 3rd transit corridor connecting the Prague-Smíchov and Beroun stations and including the ... More Information

Complimentary Robbins Webinar with Lok Home: To grout or not to grout?

Complimentary Robbins Webinar with Lok Home: To grout or not to grout?

An Emerging Alternative to Slurry TBM Tunneling in Rock under High Water Pressure  When you’re faced with a hard rock tunnel where there are expected significant sections under high ... More Information

Grand Paris Express updates

Line 15 South  - On 06/04/2021 TBM Ellen reached the Arcueil – Cachan station, after 700 m from the Robespierre pit at Bagneux as part of the Grand Paris Express ... More Information

MineARCs GuardIAN Node range

MineARCs GuardIAN Node range

Truly see your underground environment with a complete schematic of environmental conditions, personnel safety, and danger zones. The GuardIAN Node range supports safer practices and better hazard ... More Information

CALCULATION METHODS IN TUNNEL DESIGN

This training session is being co-organised with AMITOS, the Mexican Association of tunnel and underground space engineers. It will be held online over 4 half-days. The objective of this training ... More Information

Bangladesh - The Dhaka Mass Rapid Transit (MRT) Line 5 - Southern Route

Bangladesh - The Dhaka Mass Rapid Transit (MRT) Line 5 - Southern Route

The 17.4km Dhaka Mass Rapid Transit (MRT) Line 5 - Southern Route will be constructed between Gabtoli (not included) and Dasherkandi stations in Bangladesh. The congested central area of Dhaka ... More Information

TBM Coline breaks through

TBM Coline breaks through

TBM Coline has broken through at the future Oullins Centre station on the metro Line B extension in Saint-Genis-Laval in Lyon. The machine, launched in November 2019, has driven 1,955 m and ... More Information

Breakthrough at Poggioreale for the Naples metro Line 1

Breakthrough at Poggioreale for the Naples metro Line 1

At the end of March 2021 the TBM Adriana (diameter  7 m) reached the future  Poggioreale station on the Naples metro Line 1. The TBM will be disassembled and returned to Capodichino, where ... More Information

Shortlisted bidders for Britain’s longest road tunnel

Today Highways England announced the three companies shortlisted to build the longest road tunnel in Britain that sits at the heart of the proposed Lower Thames Crossing.   The following ... More Information

China’s Largest Robbins Crossover TBM launches on Intercity Railway

China’s Largest Robbins Crossover TBM launches on Intercity Railway

Machine will encounter Rivers, Weathered Ground and More in Guangzhou Bore - The largest ever Crossover (XRE) TBM in China launched in late March 2021 in Guangzhou for contractors Sichuan Jinshi ... More Information

TERRATEC’s EPBM completes Bangkok Orange Line Metro tunnel

TERRATEC’s EPBM completes Bangkok Orange Line Metro tunnel

TERRATEC has celebrated  the completion of the Orange Line metro project in Bangkok, Thailand, with the final breakthrough of the Eastbound tunnel on Contract E3. Earlier in March, TERRATEC ... More Information

Project Manager required

Boreas Tunnelling based in the Netherlands are recruiting for one of their valuable clients based in South Asia; Experienced Project Manager with at least the below credentials: They should be a ... More Information

Tunnelling works continue for Hinkley Point C

Tunnelling works continue for Hinkley Point C

TBM Emmeline has started her tunnel drive for the 7m-diameter and 1.8km long outfall tunnel and it is now in full-bore mode 33m beneath the seabed of the Bristol Channel with a 19 m per day average ... More Information

50% of the Guillermo Gaviria Echeverri/Toyo tunnel completed

In March, three months earlier than expected, 50% of the Toyo/Guillermo Gaviria Echeverri tunnel’s excavation was exceeded, reaching 5.03 km (51.7%). Once complete the tunnel will connect ... More Information

The HL-LHC underground and surface works continue at Point 1 and Point 5

The HL-LHC underground and surface works continue at Point 1 and Point 5

The Large Hadron Collider (LHC) is the most recent and powerful accelerator constructed on the CERN site. The LHC consists of a 27 km circular tunnel, about 100 m underground, with eight sites ... More Information

HS2 casts first of 112,000 Chiltern tunnel wall segments ahead of TBM launch

HS2 casts first of 112,000 Chiltern tunnel wall segments ahead of TBM launch

Preparations for the launch of HS2’s first giant TBM ramped up last week. The first of 112,000 segments for the Chiltern tunnel lining rolled off a purpose-built production line. The temporary ... More Information

Cear manufacturers MV/LV substations for an Australian project in renewable energies

Cear manufacturers MV/LV substations for an Australian project in renewable energies

Cear has been awarded a prestigious contract for the construction phase of an Australian renewable energy project, that will provide on-demand energy for large scale storage. The supply consists of ... More Information

Poland - Warsaw will have a third metro line

Poland - Warsaw will have a third metro line

On 15/03/2021 Rafał Trzaskowski, Mayor of Warsaw, announced that Warsaw, despite the considerable budget problems, will have a third metro line to be built in 3 phases. The M3 will connect the ... More Information

Lower Thames Crossing Community Update - March 2021

In the March 2021 edition of the Lower Thames crossing video newsletter, an update  was given on the planning application, the ongoing survey works, the plans to build the team who will deliver ... More Information

La Sega-Rindola section of the Vittorio Veneto SS51 Bypass opens

Today Lot 1 La Sega-Rindola of the Vittorio Veneto bypass on the SS51 di Alemagna in Treviso province was opened to traffic. The new 2 km road will bypass Serravalle in Vittorio Veneto, the road ... More Information

Tunnelling News

MMRDA plans 70-km underground tunnel road network across Mumbai

The project, being prepared in phases, will enhance multi-level connectivity and ease commuting. By KAILASH BABAR · Google preferences in ET Follow us ... More Information

Kathmandu-Tarai Expressway achieves 43.3% progress

The total length of the seven tunnels under the project is 10.979 km. ... Construction progress for the Chandram Bhir tunnel. (2,250 metres) has ... More Information

MMRDA plans 70-km underground tunnel road network across Mumbai

The project, being prepared in phases, will enhance multi-level connectivity and ease commuting. By KAILASH BABAR · Google preferences in ET Follow us ... More Information

Hong Kong: Robotics And AI Enhance Tunnel Construction

It is leveraging artificial intelligence (AI), robotics and automation to advance the Trunk Road T2 and Cha Kwo Ling Tunnel project. These ... More Information

Single-Bore Tunnel Method Chosen for BART Silicon Valley Phase II

This decision allows VTA to advance project design towards 60%, stay on a critical path to tunnel construction and meet the projected revenue service ... More Information

Boring Co. begins 'controlled blasting' for Nashville tunnel at TN capitol

The Boring Co. has started excavation work at a state-owned parking lot on Rose Parks Boulevard for the Music City Loop project Wednesday, Aug. 13, ... More Information

TBM arrives in Montreal for delayed metro extension project

A custom-built tunnel boring machine (TBM) has arrived in Canada for use on a 6km extension of the Montreal Metro... More Information

Spain Confirms Feasibility of €8.5 Billion Morocco-Europe Tunnel

The study was conducted by German company Herrenknecht, the world leader in tunnel boring machines, at the request of the Spanish government's ... More Information

TxDOT spends $748M to burrow bus-size tunnels under Central Austin

The first tunnel boring machine will be deployed near ... Industry experts say tunnel boring machines typically advance about 50 feet per day. More Information

6 TBMs on Duty on the 27-Kilometer Line in Körfezray

Two of the six Tunnel Boring Machines (TBMs) that will serve in the first 27-kilometer phase are actively excavating tunnels, while the ... More Information

Construction on HS2's Euston tunnel will start 'fairly soon', says rail minister

Construction on the HS2 tunnel from Old Oak Common station to Euston station will start “fairly soon”, the rail minister has said... More Information

Blue Line Extension TBM Arrives at Port of Montreal

Railway Track and Structures Construction site of the future Vertières station (Pie-IX) in June 2025. Caption and photo courtesy of STM. MONTREAL - The tunnel boring machine (TBM) ... More Information

Tunnel break through milestone for Mt Messenger Bypass project

A 110 tonne excavating machine, called Hinetūparimaunga, has broken through at the northern end of the project's 235 metre-long tunnel ... More Information

$3.9 billion tunnel and bridge link for VA

Costing around $3.9 billion, the Hampton Roads Bridge-Tunnel (HRBT) upgrade Expansion project for Virginia will improve traffic flow for a key ... More Information

Extended North Tunnel Flood Mitigation Project Receives $18.2 Million in State Funding

The funding advanced by the board includes a $17.2 million loan and $1 million grant for the construction of the mile-long tunnel, which will divert ... More Information

Gateway Project faces new uncertainty amid government shutdown

Federal funding for the $16B Hudson Tunnel Project, aka Gateway, has been paused during the government shutdown, sparking political backlash. More Information

Tunnel Boring Machine Emily Passes Key Factory Test for DC Water Potomac River Tunnel Project

Tunnel boring machine (TBM), Emily. This test confirms that Emily is ready to begin excavating the southern leg of the Potomac River Tunnel — a ... More Information

Sydney Metro West achieves world-first in tunnelling technology

Sydney Metro West has achieved a world-first in tunnel construction with a Lining Erector Machine (LEM) successfully being used to line the mined ... More Information

Gateway construction continues despite Trump's claim of termination

Tutor Perini, the general contractor on the Manhattan Tunnel Project, confirmed construction activity is currently continuing as planned... More Information

Tunnelling complete for Annacis water supply project

Metro Vancouver has completed the tunnelling phase of the $450 million Annacis Water Supply Tunnel, which will complete in 2028... More Information

Santa Clara VTA confirms single tunnel plan for BART extension

With VTA now owning the tunnel boring machine, the agency assumes full responsibility for its performance, agency officials said. To manage the risk, ... More Information

Chennai: Tunnel Boring Machine Vaigai achieves breakthrough at Mandaveli Metro Station

CHENNAI: The Chennai Metro Rail Limited (CMRL) on Saturday achieved a major milestone in Phase II tunnelling works, as Tunnel Boring Machine (TBM) ... More Information

Trump 'terminates' $16 billion Hudson River tunnel project linking N.J. and N.Y.C.

President Trump said funding for the $16 billion Gateway Tunnel project is "terminated" at a press conference. New Jersey officials said they will ... More Information

$676 million underwater tunnel for India

The project is expected to cost around $676 million, with a Detailed Project Report (DPR) having now been completed. India's road transport network is ... More Information

€1.4 billion Belgian tunnel project approved

The first phase of the €1.4 billion project for Belgium’s new Limburg Noord-Zuid link has been approved. Construction should commence in 2027 on the project, which will form a section of ... More Information

Tunnel boring machine S-639B achieves breakthrough under Kanpur Metro Phase I Project

The package KNPCC-06 involves design and construction of a tunnel through TBM, cut and cover tunnel, underground ramp from Kanpur Central end of ... More Information

Lawmakers propose construction of undersea tunnel to link Luzon and Visayas

Several lawmakers from the Visayas region are proposing the construction of an underground tunnel that will serve as a permanent land connection ... More Information

Oman-UAE rail project hits major milestone with start of tunnel excavation

Tunnel excavation has begun in Oman's Al Hajar Mountains, marking a major milestone for the cross-border Oman-UAE Railway... More Information

Engineering the depths: innovative tunnelling for hydropower projects

Major schemes in Austria, China, and Germany are applying advanced underground construction techniques for hydropower projects. More Information

New tunnel, new standard: Silvertown project showcases innovation in surface protection

Originally approved in 2018, construction of the tunnel began in March 2021. In September 2023, following the completion of tunnelling works, ... More Information

Metro Manila Subway Project: DOTr launches third tunnel boring machine

Dubai: The Department of Transportation (DOTr) has launched a third tunnel boring machine (TBM) for the Metro Manila Subway Project (MMSP), ... More Information

Skanska JV wraps up $450M Baltimore tunnel nearly 2 years early

A joint venture has reached substantial completion on the $450 million Howard Street Tunnel Project in Baltimore nearly two years ahead of the original completion date, according to a ... More Information

Work continues on NYC megaprojects, despite $18B federal funding pause

Contractors on two of New York City’s largest infrastructure projects will keep digging, but they might glance over their shoulders toward Washington... More Information

HS2 Chipping Warden tunnel project moves step forward

HS2 Ltd An aerial view of the HS2 tunnel construction at Chipping Warden. A road HS2 Ltd. The 1.55 mile (2.5km) Chipping Warden tunnel will be ... More Information

First of three Tunnel boring machines on way to SA as beams go up for tram overpass

The first of three tunnel boring machines that will be used to complete the northern and southern tunnels project is on its way to SA as part of a ... More Information

Chennai Metro Rail's TBMs to begin tunneling between Thiruvanmiyur and Indira Nagar

Chennai Metro Rail begins tunnelling work in challenging stretch for phase II project, facing obstacles due to hard rock... More Information

Custom lifting gantry aids TBM removal - Construction Briefing

The four TBMs excavated the 8.4 mile (14 km) Northolt Tunnel section. Two went in each way, digging a pair of tunnels from both ends towards each ... More Information

Tunnel construction begins on Barskoon — Bedel road in Issyk-Kul region

According to the project, two tunnels, 5,340 and 3,840 meters long, respectively, will be built at Sook and Ashuu-Suu passes. They will be among the ... More Information

China debuts world's mightiest centrifuge, unleashing ultra-intense gravity

China leads the way in shield tunnelling machine development · Shield machine of south line of Yellow River tunnel starts boring in Jinan · A close ... More Information