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Tender launched for Chennai twin tunnels
Chennai Metro has issued a tender (Phase 2/CP06/UG06) for the construction of twin TBM-bored tunnels and five underground stations in the Indian city.
Vienna metro expansion contract awarded
Wiener Linien, builder and operator of Vienna’s public transport system, has awarded a €242m (US$294m) contract to the joint venture comprising Hochtief, Swietelsky, and Habau Hoch und Tiefbau for the expansion of the city’s metro in the coming years.
Tunnelling MSc once again on stream at Warwick
Having been paused in 2020 due to the pandemic, applications are now open for October 2021 entry to the University of Warwick MSc ‘Tunnelling and Underground Space’ programme.
L&T wins huge Himalayan tunnel contract
India’s Larsen & Toubro (L&T) has been awarded a contract by Rail Vikas Nigam for Package 4 of a new broad-gauge line between Rishikesh and Karanprayag which includes substantial TBM and NATM tunnelling.
Next BTS Lecture not to be missed
Lok Home, president of US-based TBM maker The Robbins Company will give the next British Tunnelling Society (BTS) lecture to take place online (via YouTube) on 21 January 2021 at 18.00 (UK time).
Mothballed TBM generates multi-million storage costs
A giant EPBM that was due to bore one of Spain’s Guadalquivir River crossings but instead has been in storage for nine years has generated storage costs of €11m (US$13.3m).
Tunnelling starts on Mumbai coastal project
India’s largest TBM has been launched to excavate two 3.4km-long tunnels forming part of the Coastal Road Project – a 22km freeway running along Mumbai’s western seafront.
TBM starts work on final Tideway stretch
Delivered in July – having travelled by water from Germany via Holland and the River Thames to the site near Tower Bridge – TBM Selina has broken ground at Chambers Wharf to start mining the final easternmost stretch of London’s 25km-long Tideway Tunnel.
Construction to start on Pawtucket Tunnel
Joint venture contractor CB3A has received a notice to proceed from Narragansett Bay Commission for the design and construction of the US$480m Pawtucket Tunnel Project in Rhode Island, US.
Mott MacDonald appointed to Cambridgeshire metro scheme
Infrastructure provider Mott MacDonald is one of three suppliers chosen by Cambridgeshire & Peterborough Combined Authority to help develop conceptual designs for the Cambridgeshire Autonomous Metro (CAM).
WYG to rebrand as Tetra Tech
UK professional services company WYG has announced it will adopt the name of its parent company Tetra Tech following its acquisition in 2019 by the US consulting and engineering firm.
BTS urges tunnel engineers to enter Harding Prize
Entries for the 2021 Harding Prize are now being sought by The British Tunnelling Society (BTS). The competition is open to all young tunnel engineers who, at the end of 2020, were aged 33 or under. The closing date for submissions is 26 February 2021.
Terratec MTBM holes through in Ahmedabad
Ahmedabad’s first-ever use of microtunnelling was brought to a successful conclusion when a Terratec microtunnel boring machine (MTBM) broke through in December on a major new sewage tunnel in the Indian city.
Overbuild to create 'green' tunnel in Hamburg
German highway company Deges has awarded the joint venture comprising Implenia (35%) and Hochtief (65%) with a €580m (US$711m) contract to build the 2.2km-long Altona noise protection tunnel on the A7 motorway in Hamburg, Germany.
Norway reports tunnel-safety lapses
Norway recently notified the EFTA Surveillance Authority (ESA) that 68 road tunnels within the country do not meet the minimum safety requirements of Directive 2004/54/EC concerning tunnels on the Trans-European Road Network (TERN).
Sandvik to buy underground safety solutions provider
Sandvik has announced it is to acquire DSI Underground, a global leader in ground support and reinforcement products, systems and solutions for the tunnelling and mining sectors. The purchase price is around €943m (US$1.15bn).
Japan ponders second Seikan tunnel
Japan is once again considering a plan for a 31km TBM-bored undersea tunnel between its main island of Honshu and the island of Hokkaido in the north.
Vermeer to expand its fully-electric HDD offering
Iowa-based Vermeer Corp has acquired electric-powered horizontal directional drilling (HDD) and fluid systems technology from Normag.
Australia’s first tunnel training centre inaugurated
Australia’s first tunnel training centre has been set up in Melbourne to enable trainees to work on the Victorian government's planned rail projects.
Excavation completed early on Dalmatian tunnel
Breakthrough has occurred 74 days before scheduled on Croatia’s strategic Debeli Brijeg tunnel which forms part of the Peljesac bridge and tunnel project designed to link southern Dalmatia to the rest of the country.