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Network Rail gives historic deep shaft a new lease of life
Network Rail has completed the rehabilitation of a 241m-deep ventilation shaft serving the Cowburn Tunnel, located in a remote moorland area of the Peak District National Park and also one of the UK’s deepest railway tunnels.
Anti-Stonehenge scheme campaigners up the ante
Boris Johnson is under pressure to scrap the proposed tunnel that will pass close to Stonehenge, following an open letter sent to 10 Downing Street by campaigning group Stonehenge Alliance, citing the adverse impact the tunnel would have on the World Heritage Site (WHS).
Open tender launched for Oslo E6 water supply project
Oslo Municipality and Water Authority recently launched an open tender for the construction of the E6 Rentvannstunnel Clean Water Tunnel to bring treated water from a new plant at Huseby to the capital, Oslo, and also includes construction of new connections to the existing network.
Swiss underground goods conveyance network gets go ahead
Cargo sous terrain (CST), the proposed system for transporting goods within Switzerland through tunnels linking production/distribution sites with urban centres has been given the green light by the country’s parliament.
Breakthrough achieved on India’s widest tunnel
Infrastructure provider Afcons has achieved the fourth and final breakthrough on India’s widest tunnel, the twin-tubed Igatpuri Tunnel in Maharashtra. At 8km long, the tunnel is also the fourth longest in the country.
RFQ released for Scarborough Subway Extension
Ontario’s government (the Province of Ontario) has released a Request for Qualifications (RFQ) for the design and delivery of the new subway stations, rail and systems work for Toronto’s Scarborough Subway Extension.
TBM blamed for sinkholes in Montreal wetland
Construction work on Greater Montreal’s light rail network (REM) was the cause of sinkholes that formed in the wetlands of Technoparc Montreal, according to Quebec’s Ministry of the Environment and the Fight against Climate Change (MELCC).
AECOM wins environmental assessment for longest road tunnel
Following a competitive tender, infrastructure provider AECOM has been awarded a contract to undertake the environmental assessment of what looks set to become Australia’s longest road tunnel.
German team wins Musk boring competition
TUM Boring, in association with the Technical University of Munich, has won The Boring Company’s inaugural Not-a-Boring Competition 2021, having completed a tunnel in the fastest time with its mechanical excavation machine.
Mammoth Chinese hard-rock TBM launches in Georgia
Crews from China Railway Tunnel Group (CRTG) have completed in three months the assembly and launch of one of the world's largest diameter, full-face, hard rock tunnel boring machines for the Kvesheti-Kobi highway tunnel project in Georgia.
India plans major tunnel beneath Brahmaputra River
India is planning to build a road tunnel under the Brahmaputra River in the northeast of the country as a military response to China’s strategy in the troubled border region.
TBM for Scarborough Subway Extension nearing completion
Teams at Herrenknecht’s factory in Schwanau, Germany are progressing with the tunnel boring machine that will bore what will become Toronto’s biggest subway tunnel.
Smart grout system could completely replace bentonite
A new environmentally-friendly backfill grout solution said to completely replace bentonite and allow pumping over long distances has been developed.
STUVA preparing for its first post-lockdown meeting
STUVA – the Germany-based tunnel conference and trade fair to be held this year in Karlsruhe – is on target for a 24-26 November opening, thereby becoming one of the first in-person tunnel events to take place after the lockdown.
HS2 reveals community-inspired headhouse design
New revised images reflecting a bold, modernist approach for the Adelaide Road Headhouse in Camden, London have been released by HS2 Ltd, developer of Phase 1 of the UK’s high-speed rail system between London and the West Midlands.
Robbins unveils rectangular rock-mining innovation
Robbins has designed and supplied an innovative machine which bores rectangular tunnels in hard rock, resulting in flat inverts that can be used immediately by rubber-tyred vehicles.
Design for Panama Canal tunnel gets under way
Design work has started for the tunnel forming part of Metro de Panama’s US$2.5bn metro Line No 3 that will pass under the Panama Canal.
Musk on cusp of Florida tunnel contract award
Elon Musk’s Boring Company is in prime position to be awarded a contract to build twin tunnels in Fort Lauderdale, US, following the passing of a deadline which saw two other proposals fail to meet Florida PPP requirements.
Terratec EPBMs delivered to Taoyuan MRT
Terratec has announced that – on behalf of group company JIMT – it has delivered two of four 6.24m-diameter EPB tunnel boring machines (EPBMs) that will be used on Taoyuan MRT Green Line in Taoyuan District, Taiwan.
Outfall tunnel planned for wrecked nuclear facility
TEPCO – operator of the destroyed Fukushima Daiichi nuclear power plant in Japan – has unveiled proposals to build a 1km-long undersea tunnel that will allow the release of ‘treated’, formerly radioactive, water into the Pacific Ocean.