New News information at Tunnels & Tunnelling International New and updated information from News listed on en-us New News information at Tunnels & Tunnelling International http://http// Excavation completed on Istanbul’s M9 metro Istanbul Metropolitan Municipality has announced the completion of excavation on the twin tunnels of the city’s Ataköy-İkitelli M9 metro line. A ceremony to mark the end of excavation was attended at the breakthrough site by Turkish president Ekrem İmamoğlu. Thu, 09 Jul 2020 11:04:43 GMT Metro AI air system may reduce Covid-19 risk Transports Metropolitans de Barcelona (Barcelona metro) is about to implement a pilot smart ventilation control system designed to improve environmental quality, hygiene and passenger comfort. This follows a previous scheme undertaken on Line 1 to demonstrate the importance of dynamic ventilation control which was successful in lowering ambient temperatures. Wed, 08 Jul 2020 10:47:33 GMT TBM breaks through on Brenner exploratory tunnel Final breakthrough has occurred on the 16.5km-long exploratory tunnel of the Tulfes-Pfons section of the Brenner Base Tunnel (BBT), Austria. Following assembly inside a cavern 3.5km deep inside a mountain, the 7.9m-diameter hard rock, Herrenknecht open-gripper TBM (‘Gunther’) started mining on 26 September 2015 from Ahrental eastwards to Steinach, drilling through hard rock to break through on July 6 2020. Tue, 07 Jul 2020 13:58:06 GMT Three tunnels favoured for Prague ring road Prague could see three tunnels constructed on the north-eastern segment of its 83km-long outer ring road. The city council wants to see the section between Brezineves and Satalice tunnelled as far as possible. Fri, 03 Jul 2020 11:26:12 GMT Veteran TBM holes through on Tideway connection tunnel TBM Charlotte has completed her drive on an important connection tunnel that forms part of Thames Tideway, London’s 25km-long ‘super sewer’. Holing through on 2 July 2020 at Carnwarth Road, Fulham, southeast London, the 3m-diameter machine has been mining at average depths of around 30m on the Frogmore Connection Tunnel which has been excavated in two parts. Fri, 03 Jul 2020 11:24:33 GMT TBM sets new southern hemisphere record Auckland, New Zealand has witnessed a new pipejacking record for the longest single drive in the southern hemisphere by a TBM with a diameter greater than 3m. Thu, 02 Jul 2020 11:07:25 GMT Forget WTC 2020, look forward to Copenhagen 2021 WTC 2020, the international conference for tunnelling held annually and due to have taken place in September in Kuala Lumpur, Malaysia, has been cancelled. Wed, 01 Jul 2020 11:02:49 GMT Ferrovial wins in Portugal Spain-based infrastructure provider Ferrovial has been selected as preferred bidder in a two-part contract for the €288m (US$323m) expansion of Porto’s metro. The work involves first, extending the Yellow Line from Santo Olvido station by 3.5km, including the construction of a 770m tunnel, three stations and a viaduct. Wed, 01 Jul 2020 11:00:09 GMT Ward & Burke sets new Canadian microtunnelling record Ward & Burke has successfully completed a record microtunnelling drive of 1,132m on the York Durham Sewage System (YDSS) Forcemain Twinning Project in Newmarket, Ontario. Completed on 8 June 2020, the drive breaks the Canadian distance record and the project’s own record of 950m set four days earlier into the same reception shaft. Tue, 30 Jun 2020 06:03:26 GMT Tunnel intransigence blocks Maglev progress Work has been delayed on a section of Japan’s US$84bn Tokyo-Osaka magnetic levitation (Maglev) railway by a seemingly immovable obstacle. The governor of Shizuoka prefecture is refusing to allow the excavation of a 9km stretch of a 25km tunnel in the Minami Alps. Tue, 30 Jun 2020 06:02:09 GMT