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New Zealand Rosedale sewer outfall holed

New Zealand Rosedale sewer outfall holedThe 3.3 m-diameter EPB employed by McConnell Dowell on the 2.95 km-long Auckland Rosedale outfall has holed through into the prepared subaqueous shaft, some ... More Information

Robit Rocktools to sponsor tunnelbuilder.com

Robit Rocktools to sponsor tunnelbuilder.comFinland-based Robit Rocktools has gone from strength to strength since the company first became a tunnelbuilder advertiser. Now a major player in the ... More Information

IPS Group Tunnelling Department introduces Keith Gill

IPS Group Tunnelling Department introduces Keith GillIPS Group is pleased to announce that Keith Gill has joined the company and is now representing the IPS Tunnelling Department in the United ... More Information

Sandvik rigs for Vietnam hydro

Sandvik rigs for Vietnam hydroThe Dakmi 4 hydro plant project in Vietnam experienced unforeseen severe rock conditions near the portal of the 3.37 km-long tailrace tunnel, requiring the driving of a ... More Information

BASF launches improved ecological tail sealant

BASF launches improved ecological tail sealantZurich-based BASF Construction Chemicals has launched a specially developed tail sealant with low ecological impact designed for open mode EPB and hard ... More Information

Herrenknecht breakthrough at Buettenberg

Herrenknecht breakthrough at BuettenbergOn 20.11.2009 the 2,500 t Herrenknecht TBM broke through on the first tube of the 1,230 m A5 Buettenberg tunnel on Biel bypass. It will now be moved to ... More Information

Breakthrough for Thessaloniki metro

Breakthrough for Thessaloniki metroIn 2007, Attiko Metro of Athens awarded the EUR958 million contract for design, construction and commissioning of the 9.5 km Thessaloniki metro to an Italian-Greek ... More Information

RITCO joins tunnelbuilder.com

RITCO joins tunnelbuilder.com Royal Industrial Technology Corporation, or RITCO, is the largest tunnel management engineering company in Korea, with 90% market share for roads tunnels of 1-5 km in ... More Information

Tunnel safety and security conference

Tunnel safety and security conferenceThe fourth international symposium on tunnel safety and security, ISTSS, will take place in Frankfurt, Germany from 17-19th March, 2010. Online registration is ... More Information

Thermal Ceramics Firemaster Fire protection for Faver tunnel

Thermal Ceramics Firemaster Fire protection for Faver tunnelCossi Costruzioni SpA will complete construction of the 1.2 km single-tube Faver tunnel on the SS 612 bypass in Val di Cembra in March, ... More Information

Robbins TBMs for Malaysia

Robbins TBMs for MalaysiaSince the 1980s, Malaysia's capital Kuala Lumpur and surrounding areas have experienced rapid economic growth. The area sources most of its water from a network of local ... More Information

Breakthrough in Beles headrace tunnel in Ethiopia

Breakthrough in Beles headrace tunnel in EthiopiaOn 08.11.2009 the 8.1 m-diameter SELI Double Shield/EPB Dual Mode TBM broke through the 12 km long Beles headrace tunnel in Ethiopia. The tunnel is ... More Information

World Tunnel Congress China 2010

World Tunnel Congress China 2010To be held in Shanghai, China on 04-05.03.2010, the World Tunnel Congress China 2010 promises to be an interesting event. Co-organized by Beijing Jiaotong University ... More Information

India-Nepal road link kicks off

India-Nepal road link kicks offThe proposed 76.2 km-long, EUR 474 million fast highway between Kathmandu in Nepal and the Indian border at Birgunj has commenced construction under the direction of ... More Information

ZED - guiding the world's TBMs since 1975

ZED - guiding the world's TBMs since 1975Based west of London, UK, just 30 minutes from Heathrow Airport, ZED Tunnel Guidance specializes in the manufacture of advanced guidance systems for tunnel ... More Information

Adtracker shows the way to success

Adtracker shows the way to successA year ago, tunnelbuilder adtracker was introduced to help fulfil our promise of maximum response for minimum cost throughout the recession. Our tunnelbuilder.com ... More Information

Finnfast crossing opens

Finnfast crossing opensOn the 30.10.2009 the 8,372 m-long Finnfast crossing project on national road Rv 519 in south western Norway was opened to traffic. It consists primarily of a 5,685 m-long ... More Information

Robbins EPB for Chengdu Metro

Robbins EPB for Chengdu MetroThe 11 million inhabitants of Chengdu, China will soon have a reduced commuting time thanks to an extensive new metro system. Chengdu Metro will have five lines ... More Information

Kjøsnesfjorden bypass opens

Kjøsnesfjorden bypass opensOn 02.11.2009 the 3,250 m Kjøsnesfjorden bypass on RV5 between Hammarsgrovi and Stølsneset in Sogn og Fjordane region in Norway was opened, including the Støylsnes ... More Information

tunnelbuilder.com now in nine languages

tunnelbuilder.com now in nine languagesThe latest version of Google translator is sufficiently technically accurate for us to be able to add six languages to our tunnelbuilder.com output. German, ... More Information

Cranes for operation in hazardous areas

Cranes for operation in hazardous areasBritish company J D Neuhaus manufactures air-operated cranes for use in hazardous areas as standard. These include options for increased spark protection and ... More Information

Sustainable solutions from Herrenknecht

Sustainable solutions from HerrenknechtHerrenknecht is presenting examples of innovative high-performance tunnelling technology on the German-Chinese Esplanade in Wuhan. Seven TBMs from the company ... More Information

Marche-Umbria quadrilateral scheme underway

Marche-Umbria quadrilateral scheme underwayOn 30.10.2009, Quadrilatero Marche-Umbria SpA approved the Foligno-Pontelatrave section of SS 77, which comprises 17.5 km of roadway in Umbria to ... More Information

Breakthrough in Sharjah

Breakthrough in SharjahThe twin 1.2 km-long Difah-Shis road tunnels are nearing completion, with the eastbound tube breaking through on 01.10.2009 and the second tube due to hole out in ... More Information

Normet reforms in Canada

Normet reforms in CanadaThe incorporation of Normet Canada Ltd increases to fifteen the number of countries in which Normet has a permanent presence. The new Canadian company will provide the ... More Information

Good progress on the Vitoria-Bilbao-San Sebastian high speed link

Good progress on the Vitoria-Bilbao-San Sebastian high speed linkConstruction of the 5.5 km-long Eskoriatza-Aramaio section on the Vitoria-Bilbao-San Sebastian high-speed railway, of which 3.5 km is ... More Information

Fire Protection and Safety in Tunnels

Fire Protection and Safety in TunnelsThe first Fire Protection and Safety in Tunnels conference is being held in Paris 17-18 November, 2009. The programme is designed to help attendees comply with ... More Information

O Curro tunnel excavation ended

O Curro tunnel excavation endedThe 110 sq m twin-track O Curro tunnel, at 840 m, is the longest of the eight planned tunnels on the 13.2 km Silleda (Dornelas) to Vedra-Boqueixón section of the ... More Information

Live Bids at tunnelbuilder.com!

Live Bids at tunnelbuilder.com!Live Bids is a new service provided by tunnelbuilder for readers whose interest lies in bids rather than awards or news. By clicking on the Live Bids box in the ... More Information

China - Beijing Metro Line 4 opens

China - Beijing Metro Line 4 opensBeijing metro Line 4 started trial operation on 28.09.2009. The 29 km underground line runs from Gongyixiqiao on the South Fourth Ring Road at Fengtai District, via ... More Information

Sandvik signs global agreement with BASF for MEYCO Equipment

Sandvik signs global agreement with BASF for MEYCO Equipment Sandvik Mining and Construction and BASF's unit MEYCO Equipment have signed an agreement on a global cooperation in the field of ... More Information

CAT excavator with tunnel boom boosts productivity

CAT excavator with tunnel boom boosts productivityA CAT 328D LCR compact radius excavator, the first of its type to operate in Switzerland, is at work on the A9 Autoroute project near Visp. With a ... More Information

DSI consolidates global business activities

DSI consolidates global business activitiesDYWIDAG-Systems International (DSI) is a global network of wholly-owned subsidiaries and associated companies with a key focus on developing, manufacturing ... More Information

Sandvik inaugurates largest production facility

Sandvik inaugurates largest production facility The latest and largest Sandvik production facility is located in China's Shanghai Jiading Industrial Zone, and has the capacity to manufacture most of ... More Information

American Chemical Technologies, Inc

American Chemical Technologies, IncMichigan-based American Chemical Technologies (ACT) produces a range of fire resistant and readily biodegradable hydraulic fluids formulated for use in high ... More Information

Final DTL2 civil works awards in Singapore

Final DTL2 civil works awards in SingaporeThe 40 km-long Downtown Line DTL, which is fully underground, is being built in three stages. DTL1 is targeted for completion in 2013, DTL2 in 2015, and ... More Information

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Tunnelling News

TBM readied for Montreal's Blue Line extension

A custom-made 9.7m-diameter tunnel boring machine (TBM) has been assembled and lowered ready to excavate the tube from the future Vertières stop to ... More Information

$11.5B Brenner Base Tunnel Nears End of TBM Excavation

With TBMs Olga and Wilma closing in, the 55-km rail project shifts from excavation to systems integration ahead of its planned 2028 opening beneath ... More Information

$6.75 Billion Unlocked for Turkey's Bosphorus Rail Project

Multiple Earth Pressure Balance (EPB) Tunnel Boring Machines (TBMs) will need to be mobilized to carve out the subterranean corridors leading up to ... More Information

Tunneling for Nashville's underground Tesla project has begun

The Boring Company said that the first three weeks of the project will consist of the Prufrock-MB1, a machine that will help carve out the tunnel, ... More Information

Hudson Tunnel Project construction resumes

I look forward to celebrating the launch of our tunnel boring machines through the Palisades once GDC has assurance it will receive the steady flow ... More Information

Lower Thames Crossing

British suppliers could meet 90% of low carbon steel requirements. The proposed machine would be 16.4m in diameter, large enough to create a three‑lane tunnel bore, and is intended to dig ... More Information

Inside the Tunnel Boring Machine, Southampton Link Main project

A six-tonne tunnel boring machine is digging deep below the ground in Hampshire to help keep the county's taps and rivers flowing... More Information

TBM maestro inspects sites ahead of massive tunnel drive

The first machine components have arrived for the tunnel boring machines (TBMs) to be deployed on the Suburban Connect sites in Melbourne. More Information

Metrolinx provides major updates on subway and LRT projects across the GTA

Tunnel boring is advancing on multiple projects, with Scarborough's TBM ... Metrolinx says “Diggy Scardust,” the project's tunnel boring machine, is now ... More Information

Work in Progress: High-tech TBMs ready to carve underground corridor

The Bhopal Metro Rail Project is transitioning into its most challenging and sophisticated phase as two state-of-the-art Tunnel Boring Machines (TBMs) ... More Information

Sarens helps extract TBM at BC water supply project

The Annacis Water Supply Tunnel Project aims to increase the reliability and capacity of the water supply system in New Westminster, British Columbia. When complete, the tunnel will ... More Information

Judge rules in favor of New York and New Jersey for now in $16B tunnel fight with Trump

A federal judge ruled Friday to temporarily block the Trump administration from suspending federal disbursements for the Gateway Tunnel Project... More Information

Webuild: award for Sustainability Report for commitment to decarbonise through innovation

This includes the large tunnel-boring machines deployed on some of Europe's most complex projects: from the Salerno-Reggio Calabria ... More Information

Clearwater update reports initial entry area is 'stable and intact'

The tunnel boring machine being used in the project remains trapped underground just ahead of where the breach occurred. The ambitious, $630 ... More Information

Tunnel Boring Machine Market Size estimated at USD 7.08 Billion

The Tunnel Boring Machine (TBM) market is experiencing significant growth, driven by increasing urbanization, infrastructure development, ... More Information

Completing the First Section of Line 3: Tunnel Boring Machine Roars as it Emerges at Balboa

The Panama tunnel boring machine emerged and completed its first major task: the first section of the Line 3 Metro tunnel. More Information

Twin tunnel-boring titans prepare to dig new road under Sydney Harbour

Twin tunnel-boring titans are preparing to launch under Sydney Harbour to dig out a new road crossing from Birchgrove to Waverton... More Information

Monica Breaks Ground on Snowy 2.0

Monica the tunnel boring machine, with the renewable energy mega-project now more. TBM Monica is among the world's most advanced tunnel boring machines... More Information

Snowy 2.0 sets new tunnel boring machine to work, completes 46 underground concrete pours

Snowy 2.0 has set to work a fourth tunnel boring machine, a $75 million piece of drilling equipment purpose built to complete excavation of the huge pumped hydro project’s “geologically ... More Information

World's 'largest' underground assembly of tunnelling machines happening beneath Sydney

Workers are craning into place about 167 major pieces that will form the first of two giant boring machines. Once assembled like giant Meccano sets, ... More Information

Tunneling Begins on Major Water Pipeline for South Hillsborough

TAMPA, Fla. — Tampa Bay Water has begun construction on a major underground pipeline project aimed at meeting rising water demand in southern Hillsborough County, where population growth ... More Information

The massive £3billion tunnel designed to connect two continents under the sea

The construction of a huge underwater multi-tiered tunnel is underway in Turkey, that will create a direct route from Asia to Europe - and is expected to carry 1.3 million passengers a ... More Information

Riederwald Tunnel in Frankfurt is further delayed

Traffic was supposed to start flowing through the controversial Riederwald Tunnel in Frankfurt in 2033. But that's unlikely to happen. The €1.5 billion project is facing further delays – ... More Information

What happens to our metro tunnel boring machines when they hit the end of the line?

These mechanical behemoths were Betty and Dorothy, the tunnel boring machines tasked with digging the Sydney Metro West tunnels. Loading. The ... More Information

The incredible £2.8bn underwater tunnel connecting Europe and Asia

A huge new tunnel will connect Europe and Asia - and construction has already started. The Great Istanbul Tunnel is a major project. It will carry ... More Information

China develops "smart brain" for tunnel boring machines to boost underground construction

A team from Hunan University in central China has collaboratively developed an intelligent operating system for tunnel boring machines, giving these massive underground giants a "smart ... More Information

How China rescued highway project under Yangtze River

The incident occurred in February 2023 during construction of the 6.4-kilometer Jiangyin–Jingjiang Yangtze River Tunnel. Midway through excavation, at ... More Information

HS2 final tunnel drive to Euston starts next week

A team from SCS will drive a 4.5-mile twin-bore tunnel linking Old Oak Common to Euston using two tunnel boring machines, Karen and Madeleine. More Information

Work begins on £48M Knutsford sewer upgrade featuring 1.8km stormwater tunnel

Sean Reid, United Utilities county business lead for wastewater in Cheshire said: “This project highlights our ongoing commitment to improving water ... More Information

$14.6M boost moves Gering–Fort Laramie Canal Tunnel project forward

After nearly six years of planning, construction is moving forward on the Gering–Fort Laramie Canal tunnels... More Information

Webuild: second breakthrough at Trebisacce Tunnel along Jonica State Road 106

Project will help transform Jonica State Road 106 into a strategic corridor linking Ionian coasts of Calabria, Basilicata and Puglia... More Information

Ground preparation for Lower Thames Crossing tunnelling

Work is ongoing to overcome sub-optimal ground conditions in preparation for the start of tunnelling on the Lower Thames Crossing in late 2028, according to the project’s tunnels director... More Information

LA Metro approves massive $25B underground rail line to bypass 405 Freeway

The LA Metro Board unanimously approved an underground heavy rail line to connect the San Fernando Valley and the Westside, bypassing the congested 405 Freeway. The nearly 13-mile route, ... More Information

TUNNEL VISION Mega £7.4bn undersea tunnel connecting two CONTINENTS just got one step closer

A MAJOR £7.4 billion underwater tunnel connecting two continents has taken a step closer to construction. Experts have said the 24-mile tunnel is “technically viable”, paving the way for ... More Information

TBM breakthrough in Sydney

Tunnel boring machine (TBM) Jane Starkey successfully completed her 1.2km underground journey through challenging Sydney sandstone... More Information

Hochul announces $25 million for Harlem crosstown subway tunnel design

At E. 120th St., a pair of tunnel-boring machines — currently under construction in Germany — will bore new, 8,400-foot tunnels north from the end ... More Information

Tunnelling under the Yarra River

Our two Tunnel Boring Machines (TBMs) will soon be travelling underneath the Yarra River... Approximately 300 metres of the 6.5 kilometre North East Link will be under the Yarra ... More Information

The Boring Company says its tunneling machine is 'ready to mine in Nashville'

The Music City Loop project is aimed at transporting people from Nashville International Airport to Lower Broadway in roughly 10 minutes. By Li ... More Information

Norway Is Building the World's Longest and Deepest Tunnel Beneath the Sea

The Rogfast project, short for Rogaland Fixed Link, is an underwater road tunnel being built beneath Norway's fjords as part of the E39 coastal ... More Information