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EGLE Permits: Michigan agency approves permits needed for Enbridge tunnel project

On 29/01/2021 the Enbridge Line 5 tunnel in the Straits of Mackinac got another step closer to being built. The Michigan Department of Environment, Great Lakes, and Energy announced its approval of ... More Information

Cross River Rail Updates

Roadheaders start tunnelling towards Boggo Road - Two 115t roadheaders have started to mine the remainder of the 870 m Cross River Rail twin tunnels between Woolloongabba and Boggo ... More Information

FAMA and Sustainability

Excellent results were achieved in 2020 by FAMA, a world leading provider of sealing, connection systems and precast tunnel lining. The company’s budget shows a positive finish after an ... More Information

Breakthrough on WestConnex tunnels

A major milestone was reached on the M4-M5 Link Tunnels project - 41 m underground at the St Peters Interchange - with roadheaders carving through to the M8, linking two WestConnex stages ... More Information

NASTT 2021 No-Dig Show

The NASTT 2021 No-Dig Show will convene in Orlando, Florida, March 28-31 at the Orange County Convention Center — offering in-person and virtual offerings to bring the trenchless industry to ... More Information

EnigmaCG’s 6th Annual Webinar on Innovation in Tunnels: Construction, Maintenance, Safety & Fire Protection

With over 55 live tenders for construction/development of new tunnels in just Spain, Switzerland, Italy and Belgium at the time of writing this, it is safe to say that tunnel construction/ ... More Information

TERRATEC TBM begins work for Delhi Metro Phase 4

A refurbished 6.52m diameter TERRATEC Earth Pressure Balance (EPB) Tunnel Boring Machine has been delivered to a Joint Venture between Hindustan Construction Company Ltd. of India and Vensar ... More Information

VIRTUAL HRBT Expansion Project Construction Open House

With the start of the New Year, the HRBT Expansion Project begins new construction activities. You are invited to learn more during a Virtual Construction Open House to learn about upcoming ... More Information

SaMoTer: 31st edition postponed to 2023

SaMoTer, Veronafiere's triennial international construction machinery exhibition, will now take place in March 2023. In 2021 they will showcase a new in-quarry demo event: the format will be ... More Information

Western Harbour Tunnel & Warringah Freeway Upgrade gets approval

The Western Harbour Tunnel and Warringah Freeway Upgrade (the project) - proposed by Transport for NSW - has been approved by the NSW Government (the Minister for Planning and Public ... More Information

TBM Alice begins digging towards Central Business District

TBM Alice has begun its journey beneath St Kilda Road and the Yarra River, to connect the Metro Tunnel’s new Anzac and Town Hall stations in Melbourne, Australia. It follows the December ... More Information

Epiroc supports new world standard in sustainable underground mining with yet another battery-electric order

In Kiruna, Sweden, tests are ongoing to set a new world standard for sustainable mining. In the process to achieve this, LKAB has ordered industry-leading battery-electric vehicles from Epiroc to be ... More Information

Breakthrough on DTSS Phase 2 for Penta-Ocean Koh Brothers JV

In December TBM Buroh (diameter 4.6 m) completed the 1.3 km first tunnel drive of the DTSS Phase 2 in Singapore (Contract T-08). As part of DTSS Phase 2, the existing tunnel system will be ... More Information

Harding Prize Entry

Press release - Applications are now sought for this year’s BTS Harding Prize. The competition is open to all tunnelling engineers of the age of 33 or below at the end of the previous year. ... More Information

Updates for the metro line 11 extension in Paris

Since the launch of TBM Sofia at the beginning of 2020, all construction sites for the future stations of the line 11 extension have been focused on the passage of Sofia through the station ... More Information

BTS January Meeting : Three Great Challenges - Experiences from TBM Tunnelling in Difficult Ground

On Thursday 21st January 2021 at 18:00 hrs [GMT] Online at : https://youtu.be/SN3htCiU3FA Lok Home – President, The Robbins Company will be hosting a webinar on youtube called Three ... More Information

Pawtucket Tunnel Project

As part of the program to improve water quality in Narragansett Bay, the Narragansett Bay Commission has issued to CB3A joint-venture notice to proceed with the work on the Pawtucket Tunnel Project. ... More Information

Mumbai coastal road - TBM Mavala Launched

On the 11/01/2021 the official launching ceremony for the TBM named Mavala was held, to see the ceremony please click here for the video. The TBM will dig the 3.45 km twin tunnel from Princess ... More Information

Last Tideway TBM begins journey

The team on TBM Selina at Chambers Wharf has broken ground on the final 5.5km stretch of the super sewer. The machine is the last on the project to get underway journeying from Bermondsey to ... More Information

Final breakthrough for TBM Krishna 1 on metro line 3 in Mumbai

TBM Krishna 1 has reached the Dadar Metro Station: it’s the 35th breakthrough on metro line 3 in Mumbai, click here for the video. With this, MMRC has successfully completed the 10.96-km long ... More Information

TBMs Launched for Railway tunnels in Lodz

At the end of 2020 two TBMs Katarzyna and Faustina began their tunnelling journey between the Lodz Fabryczna station and Lodz Kaliska e Lodz Zabieniec in Poland. Katarzyna - the ... More Information

Press release - Implenia wins major order for A7 Altona Tunnel in Hamburg

Implenia, together with project partner HOCHTIEF, has been awarded the contract to build the 2.2-kilometre-long Altona noise protection tunnel on the A7 motorway in Hamburg. The net contract is ... More Information

Cross River Rail begins tunnelling

TBM Else - the first of Cross River Rail’s two 1350 t TBMs in Brisbane - has been moved into position underground in the Woolloongabba site’s station cavern to commence tunnelling on the ... More Information

Unveiled – The East extension of the REM in Montreal

On 15/12/2020 the CDPQ (Caisse de depot et placement du Quebec) unveiled the new Eastern extension project for the Réseau Express Métropolitain (REM) in Montreal, ... More Information

TBM Joan arrives at the State Library Station

In December TBM Joan broke through into the State Library station’s cavern 32 m under Franklin and Swanston streets in Melbourne, Australia. Thus completing the 1km stretch between ... More Information

BTS December Meeting : Tideway Update

During the London December`s BTS (British Tunnelling Society) evening Andy Alder, Tideway Programme Director, gave an update on the Tideway Projects current progress and the approaches being used. ... More Information

Grand Paris Express - New milestones

Line 15 South - On the 08/12/20, after a 4 km drive between the Robespierre shaft (in Bagneux) and Fort d ' Issy - Vanves - Clamart, TBM Ellen began driving a further 700 m section of the ... More Information

Requests for Proposals Issued for Ontario Line

Infrastructure Ontario (IO) and Metrolinx have issued two Requests for Proposals (RFPs) for procurement packages for the Ontario Line subway project. Teams have been shortlisted and invited to bid ... More Information

Fort Wayne’s Deep Rock Tunnel 2021 completion date

At the beginning of December 2020 the TBM MamaJo, whose name is derived from the three rivers that flow through the Fort Wayne city, reached the 4.82km (3 mile) point of its journey for the ... More Information

RFQ S20221 BART Silicon Valley Phase II Extension Program / Tunnel / Trackwork Contract

1. Summary - VTA intends to award a Progressive Design-Build (PDB) contract for the design and construction of all tunnel and trackwork required for this Project. VTA’s intended PDB ... More Information

Work in progress on HRBT Expansion Project

Crews continue to prepare for the arrival of the HRBT Expansion Project ‘s TBM and are working on expanding the existing North and South islands to accommodate the new twin tunnels. ... More Information

Peshawar DI-Khan Motorway Approved by KP (Khyber Pakhtunkhwa) Government

On the 21/12/2020 the Provincial Development Working Party (PDWP) approved the PC-I document and design of the 364-km motorway that will connect Peshawar with Dera Ismail Khan in Pakistan and ... More Information

TERRATEC MTBM system breaks through in Ahmedabad, India

A TERRATEC Micro Tunnel Boring Machine (MTBM) achieved a major milestone on the city Ahmedabad’s new sewage tunnel system in India. It is the first time, the city has used the ... More Information

Press release - HS2 shortlists Track Systems and Tunnel and Lineside M&E suppliers

HS2 today shortlisted bidders for its Track Systems and for Tunnel and Lineside Mechanical and Electrical (M&E) systems. The winning organisations will go on to deliver around 280km of ... More Information

Pune Metro update

Maharashtra Metro Rail Corporation is implementing the Pune Metro Rail Project, which has two corridors: one from Vanaz to Ramwadi which is an elevated line and the other from PCMC to ... More Information

Here’s to the Groundbreakers: Cross River Rail honours iconic Queensland women

Minister for Transport and Main Roads - The Honourable Mark Bailey. Cross River Rail’s twin massive Tunnel Boring Machines (TBMs) have been named after two groundbreaking Queensland ... More Information

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Tunnelling News

Light at the end of the tunnel showing for Mount Washington transit project

The project is expected to be completed in October. New tracks finally emerge from the Mount Washington Transit Tunnel as a part of Pittsburgh ... More Information

Davao City Bypass South Tunnel hits breakthrough towards improved connectivity

The Construction Project with the ceremonial breakthrough of the southbound tunnel, marking the complete excavation from opposite ends of the ... More Information

Which companies are bidding for the US$2.3bn highway and tunnel contracts in Brazil?

The project in Brazil, as it will be the country's first underwater tunnel,” the person added. The project involves construction of a 1.5km tunnel ... More Information

US Northeast Rail Corridor Gets a Major Makeover with Tunnel and Bridge Replacements

This project is designed to replace tunnels severely damaged by Superstorm Sandy, ensuring smoother and more reliable service for Amtrak, NJ Transit, ... More Information

DPWH, JICA celebrate breakthrough of Southbound Tunnel in Davao Bypass

The event marked the successful connection of the tunnel's north and south ends. The ... More Information

Jacobs joins Ramboll on Marselis road tunnel project in Denmark

Danish Road Directorate senior project manager Michael Schmidt Vosgerau said: “It is a complex task to build a tunnel on one of the busiest access ... More Information

Planning continues for Midway Tunnel, Safe Streets for All projects

The Midway Tunnel project is a $13.4 million plan ... construction of a new overpass bridge and pedestrian and bicycle walkway above the tunnel. More Information

Four million tons of clay moved in HS2 excavation

Construction on HS2's second-longest tunnel started in October 2022. The rotating cutters cut away clay and other material at a rate of about 50ft ... More Information

Jacobs Has Design-CM Role on $640M Denmark Tunnel, With Ramboll as Key Consultant

Set to begin construction in 2028, Marselis Tunnel project is core component of the country's 10-year Infrastructure Plan 2035. By Emell D. Adolphus. More Information

Elon Musk's $760,000,000 plan to build underground tunnels beneath Houston, Texas

Elon Musk's next big construction plan from The Boring Company could build $760000 worth of tunnels beneath Houston to help with flooding... More Information

Kerala Moves Closer To Vizhinjam–Balaramapuram Tunnel Rail Project

The Kerala government is preparing to invite bids next month for the tunnel rail project linking Vizhinjam International Seaport with ... More Information

Norway's Ship Tunnel Project Under Threat as Costs Rise

New cost estimates suggest the ambitious project will far exceed its approved budget, raising questions about whether it will ever be built. More Information

Davao City Bypass southbound tunnel nears breakthrough

The Department of Public Works and Highways (DPWH) announced that the southbound tunnel of the Davao City Bypass Construction Project (DCBCP) is ... More Information

CA should pursue better alternatives to the costly Delta Tunnel Project Stocktonia

Governor Gavin Newsom is attempting to fast-track the construction of a massive, budget-busting water tunnel through the Delta to ship freshwater to ... More Information

Physical Origins of Shear Strength Fluctuations in Fault Gouges

Fault gouge is rock texture within fault zones that may include rock fragments (RF) and foliated structures. Previous studies have primarily focused on remould soils, the natural structure ... More Information

Webuild expands its role in high-speed rail projects

Four modern tunnel boring machines will be deployed to ensure precision and safety in complex geological conditions. Once completed, the old single- ... More Information

Hudson Tunnel Project advances as tunnel boring machines near completion

The Hudson Tunnel Project hit a key milestone as massive tunnel boring machines near completion, with delivery set for November. More Information

Nagdhunga tunnel in final stages of construction

If we look at the history of road construction and development in Nepal, there are various records of road construction starting from the Rana period. According to articles published in ... More Information

Boring of tunnel across Yellow River completed in China's Shandong

Constructed by using a "Shanhe" shield machine with a 17.5-meter excavation diameter, this double-deck, two-way, six-lane tunnel stands as the world's ... More Information

The £1.6bn plan for world's deepest underwater road tunnel leaving 'no room for error'

Opening of Rogfast tunnel under construction. The Rogfast tunnel will be the longest and deepest undersea road tunnel on Earth. (Image: SKANSA). A ... More Information

Tunnelling complete on NSW's Coffs Harbour bypass project

Tunnelling has been completed on the A$2.2bn (£1.1bn) Coffs Harbour bypass project in New South Wales, Australia, with the excavation of the third ... More Information

Veidekke acquires tunnel construction contract for Gothenburg's West Link Project

Veidekke has received a contract from the Swedish Transport Administration to build the Stora Hamnkanalen tunnel, a component of the West Link ... More Information

German Rail completes construction of Rastatt Tunnel

GERMAN Rail (DB) has completed civil works on the new 4270m twin-bore Rastatt Tunnel, a major component of the project to widen to four tracks the ... More Information

Final contracts signed for Eastern Freeway transformation

A huge amount of work is underway to build North East Link and upgrade the freeways – two tunnel boring machines are digging deep under Rosanna ... More Information

Progress on Sydney pipeline duplication

Bouygues Construction Australia and Rob Carr have launched a tunnel boring machine (TBM) on Sydney Water's Thornleigh pipeline duplication ... More Information

The latest plan to connect BART to downtown San Jose: One tunnel rather than two

When BART and Santa Clara Valley Transportation Authority first discussed plans to send trains rolling under downtown San Jose, transit officials contemplated a design with two tunnels ... More Information

Nashville Tesla tunnel: Here's when construction could start on the Music City Loop

Elon Musk's The Boring Company is currently in the design phase of constructing a tunnel connecting downtown Nashville to the Nashville ... More Information

World's longest underwater 'mega tunnel' to cost $46 billion but will halve 21-hour drive

Oddvar Kaarmo, the Rogfast project manager, cited additional motivation for the tunnel's construction: "The port at Mortavika is quite exposed and ... More Information

China's first vertical large model for tunnel, underground space sector released

The project which is in the Guangdong-Hong Kong-Macao Greater Bay Area. The model helps make tunnel construction safer, higher-quality, more efficient and ... More Information

BMC Begins Major Water Supply Upgrade Mumbai

The project commenced in 2023 and has adopted tunnel boring machine (TBM) technology to minimise surface disruptions in crowded neighbourhoods. Of ... More Information

Slurry tunnel boring machines to be deployed for Bengaluru Twin Tunnel Road Project

B-SMILE opts for slurry TBMs over hard rock TBMs for Twin Tunnel Road project in Bengaluru due to mixed terrain... More Information

Tunnel along railway linking Shenzhen and Shanwei special cooperation zone under construction

Technicians check a tunnel boring machine (TBM) at the construction site of a tunnel in Pingshan, Shenzhen City, south China's Guangdong Province, Aug ... More Information

Construction staging area approved for Nashville's airport tunnel project

The Music City Loop will be a 10 mile tunnel connecting downtown Nashville to the Nashville International Airport (BNA)... More Information

Zojila tunnel deadline pushed to 2028: Here's why Asia's longest tunnel project is delayed

Zojila Tunnel Latest Update: On completion, the project will not only play an important role in the country's infrastructure development but also ... More Information

W.A. Rasic Construction Awarded Major Subcontract on Dragados' $630M Effluent Outfall

The tunnel project is a critical component of Southern California's long-term infrastructure resilience strategy. The project directly supports the ... More Information

VDOT gives HRBT expansion update

Construction on the Hampton Roads Bridge-Tunnel Expansion Project hit key milestones as tunneling progresses and traffic shifts to new lanes. More Information

HS2 lifts third TBM following 3.4-mile journey

HS2 Ltd has lifted Tunnel Boring Machine Emily's 9.11-metre diameter cutterhead, front and middle shield, weighing 880 tonnes, from below the ... More Information

Musk's Boring Company unveils Music City Loop tunnel project for Nashville

The big picture: The project has an ambitious timeline of completing the 10-mile route in less than two years. The tunnel would move vehicles at warp ... More Information

Progress Update on East Dallas Tunnel Project to Address Flooding Problems

With so much rainfall throughout the metroplex, NBC 5 wanted an update on a project expected to mitigate flooding in East Dallas... More Information

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