Latest from Tunnels and Tunnelling


Montréal invites bids for metro extension
06 December, 2022 Montréal’s transport body, STM, is calling for tenders for the extension to the metro Blue line, including tunnel construction.
  • LTA awards contract for CRL2 tunnel
    Singapore’s Land Transport Authority (LTA) has awarded the S$758m (US$562m) contract to design and build a 5km tunnel for phase two of the Cross Island MRT Line (CRL2).


Hydro caverns offer vital experience for underground oil and gas storage
24 November, 2022 Norway’s experience with extensive hydropower development and surge chamber cavern technology offered lessons for its underground oil and gas storage projects. This is an abridged report of the full paper by Prof. Bjørn Nilsen discussing the similarities and key lessons to share
  • Leadership vision for a path toward sustainability
    Shortly before his recent election as President of International Tunnelling and Underground Space Association (ITA-AITES), Prof Arnold Dix, a global expert in tunnel sector contractual arrangements, told T&T about his vision for how the international tunneling industry can accelerate its practical pursuit of sustainability – by being armed with new, tailored-made measurement tools and introducing a ‘non-dispute’ option in contract law
  • Clean hat trick
    Nicholson Construction has had three contracts for Project Clean Lake in Ohio, and each has posed its challenges. Keren Fallwell reports
  • Out and in at sea
    Major lifts for tunnel projects have taken place at sea recently for an outfall off Kuwait and at Hinkley Point C power station, in UK