Latest from Tunnels and Tunnelling


Acciona awarded Western Harbour Tunnel contract
02 December, 2022 Acciona has won the contract to deliver stage two of Sydney’s third harbour crossing.
  • Thames Tideway Tunnel Update – 2022
    This 2022 update from Thames Tideway Tunnel’s Client, Project Manager and Main Works Contractor teams will provide an overview of specific challenges across project areas (West, Central and East), and the solutions implemented for their resolution.
  • BTSYM gears up for year ahead
    George Doulkas, package manager for HS2 at Strabag, has been appointed chair of the British Tunnelling Society Young Members (BTSYM).


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