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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

Press release - New facility to train Victoria's future tunnelling experts

Construction of the Victorian Tunnelling Centre (VTC) at Holmesglen Institute in Chadstone in Australia is now finished. The facility will cater for the next generation of construction and ... More Information

TunnelCraft - Tunnelling Specialist Supplier of the year at NCE Tunnelling Festival Awards 2020

Tunnelcraft Ltd has won the award for Specialist Tunnelling Supplier of the Year at the NCE Tunnelling Festival Awards 2020. The judges felt that TunnelCraft showed clear innovation in management ... More Information

No Dig North 2021 - Call for abstracts open

The second annual No-Dig North Show will be held at the Vancouver Convention Centre in Vancouver, British Columbia, Canada. The call for abstracts is now open and the deadline is March 1, 2021. Case ... More Information

Registration is now open for the NASTT 2021 No-Dig Show

The NASTT 2021 No-Dig Show - the largest tradeshow and conference solely devoted to the trenchless technology industry - will be held in Orlando, Florida, at the Orange County Convention ... More Information

WeRail presents: Tunnel and metro Fire Protection Webinar Series 2021

Catastrophic fires in tunnels have resulted in loss of life, significant asset damage and operational interruption. The ignition and spread of fire in rail applications remains one of the most ... More Information

Outline Features of Phase-II of the Chennai Metro Rail Project

The foundation stone for Phase II of Chennai Metro Rail Project – estimated at a cost of Rs.61,843 crores - was laid through video conferencing on 21-11-2020 at Kalaivanar Arangam. ... More Information

The Ceneri Base Tunnel opens

On the 13/12/2020, the 15.4km Ceneri Base Tunnel, between Camorino and Vezia started operating marking the completion of the New Railway Link through the Alps (NRLA) after 28 years of ... More Information

New breakthroughs on Warsaw M2 line

Eastern Section - At the beginning of December TBM Anna after 1296 m and 858 rings installed as part of the left tunnel behind Kondratowicza C20 broke through to the C19 Zacisze ... More Information

Swinoujscie TBM assembly begins

The assembly process of the 98 piece Slurry-TBM (101 m long, 2740 t weight and 13.5 m diameter) has begun. This TBM will bore the road tunnel under the Swina river, connecting the ... More Information

Press Release - HS2’s first giant tunnelling machines arrive in the UK

HS2’s first two giant Tunnel Boring Machines (TBMs) have arrived in the UK and will be ready to start work on the UK’s largest infrastructure project early next year. The two ... More Information

MineArc New product - A tunnelling refuge chamber that can sit on an incline.

MineArc took their most popular TunnelSAFE Gantry Design Refuge Chamber and brought it to new heights. What makes this refuge chamber unique is its ability to continue to operate on an ... More Information

Updates on the Purple Line Extension in Los Angeles

At the end of November 2020 the tunnelling averages for the Purple Line (Line D) Extension were Section 1: 94.4% complete and Section 2: 2.9 % complete. Section 1 The twin TBMs ... More Information

TBM Millie Relaunched in Melbourne

On St Barbara's day the 4th December a blessing ceremony was held at the Anzac Station site in Melbourne Australia for TBM Millie and all her personnel, to wish them a safe journey to the Town Hall ... More Information

Suburban Rail Loop Works EOI for Early Works

The Andrews Labor Government has opened Expressions of Interest for the biggest ever Initial and Early Works package on an infrastructure project in Australian history. Minister for ... More Information

Grand Paris Express - New breakthrough on Line 15 South

After 3.4 km of excavation, the Amandine TBM arrived at Villejuif Louis-Aragon. The TBM began tunnelling in April 2019, it broke through at the underground enclosure of the future railway station ... More Information

New Berlin U5-Bahn line opened

The new U5 underground railway line in Berlin has now been opened. The Lückenschluss U5 (U5 Gap Closure) has been successfully completed after approximately 8 years of construction ... More Information

TBM Annie begins tunnelling for Tideway

ON 04/12/2020 the TBM Annie which is 6.4 m wide, 100m long and 960t in weight - began driving the 4.5km connection tunnel between Greenwich Pumping Station and the main super sewer at Chambers ... More Information

Winners of the ITA tunnelling awards 2020

The winners of the ITA tunnelling awards 2020 are :- MAJOR PROJECT OF THE YEAR (OVER €500M) John Holland CPB Ghella Joint Venture Tunnelling and Station Excavation Works for the Sydney ... More Information

Strata Worldwide announces the appointment of Mike Rispin to lead Strata Tunnelling

Strata Worldwide is pleased to announce the appointment of Mike Rispin to lead the launch of Strata’s new global division, Strata Tunneling. Mike brings over 36 years of ... More Information

TBM Gaia’s Shield lifted out of excavation shaft

On December 2nd the shield for the TBM Gaia weighing 150 tons and 11 m in diameter was lifted out of the receiving shaft of the Rijnland Route. The rest of the TBM will be dismantled ... More Information

Central section of London’s super sewer complete as TBM breaks into shaft in Bermondsey

TBM Ursula has officially broken into the shaft at Bermondsey finishing her 7.6km journey from Battersea to Bermondsey and completing the central section of the Tideway in London, delivered by a ... More Information

San Gorgonio Pass Water Agency Investment into future water supplies

In November the SGPWA (San Gorgonio Pass Water Agency) Board voted unanimously to support the Delta Conveyance Project (DCP) in California, approving a minimum 1.22% participation level in the DCP ... More Information

TERRATEC TBMs breakthrough on Pune Metro

Gulermak-TATA Projects JV celebrates the breakthrough of TBM tunnelling on the underground works on Line 1 of the Pune Metro, in India. In early-November, TERRATEC joined officials from ... More Information

Cross River Rail’s first mega machine ready to go

The first of the two TBMs that will excavate the bulk of Cross River Rail’s 5.9km twin tunnels is passing factory acceptance testing, before being disassembled and transported by trucks to ... More Information

Government gives green light to A303 Stonehenge improvement

Transport Secretary Grant Shapps has given the formal green light by granting a Development Consent Order for work to start on the A303 Amesbury to Berwick Down (Stonehenge) ... More Information

Press release - Barge number 238 delivers final concrete segment rings to Tideway’s Kirtling Street

The 238th and final barge delivering concrete segment rings used to line the central section of the Thames Tideway Tunnel has arrived at Tideway’s Kirtling Street site. Each barge ... More Information

4-day HS2 Ltd virtual event for contract opportunities begins

HS2 Ltd, the company delivering Britain’s new high speed railway, kicked off a four-day event yesterday that will showcase many of the EUR13.49 bn (GBP12bn) worth of contract opportunities. ... More Information

Several milestones for the Grand Paris Express

TBM Ines, began its journey from the Verdun shaft at La Courneuve on the 11/08/2020, and has now reached Le Bourget RER station for Line 16. The TBM – which is 100 m long and ... More Information

Robbins Webinar - Encountering Caverns in France: TBM Tunnelling in Karst Conditions

France's recently completed Galerie des Janots featured some unexpected challenges: Karst cavities large and small were found throughout the bore as well as two large, uncharted caverns. During ... More Information

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Tunnelling News

Around 75 tunnel projects worth Rs 49K cr under construction in India

Around 75 tunnel NHAI projects entailing investment of Rs 49,000 crore are under construction in the country, Union Minister Nitin Gadkari said. More Information

HS2: Final TBMs readied for drive to Euston

Two TBMs that will dig High Speed 2's 7.2km long twin bore Euston tunnel are being readied for their drive at Old Oak Common station. More Information

Spain to study seismic risks for Gibraltar tunnel project linking Morocco

Spain's Ministry of Transport and Sustainable Mobility is moving forward with a seismic study for the proposed tunnel that would link Morocco and ... More Information

Excavation Progresses for the Ontario Line Project

A 16-meter-deep launch shaft marks the starting point for two tunnel boring machines (TBMs) set to create twin tunnels extending approximately 6 ... More Information

Record-breaking open-type TBM rolls off production line

An open-type rock tunnel ... tunnel diameters and numerous fault zones. The project faces multiple construction challenges, including rock bursts and ... More Information

State builders speed up undersea tunnel work

The tunnel will be 17.48 kilometers long, marking a new milestone in China's construction prowess, said Liu Aiwu, CREC4 project manager of the No ... More Information

Spain - Awarded contract for improving energy efficiency in Pilar de la Horadada tunnel

The company San Jose SA from Tres Cantos (Spain) secured the EUR2.93 million contract, excluding VAT, for compliance with Royal Decree 635/2006 and for improving energy efficiency ... More Information

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

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