New News information at Tunnels & Tunnelling International New and updated information from News listed on http://www.tunnelsonline.info http://www.tunnelsonline.info/ en-us http://www.tunnelsonline.info/ New News information at Tunnels & Tunnelling International http://http//www.tunnelsonline.info/content/images/logo_big.gif Excavation completed on Istanbul’s M9 metro http://www.tunnelsonline.info/news/excavation-completed-on-istanbuls-m9-metro-8018473 http://www.tunnelsonline.info/news/excavation-completed-on-istanbuls-m9-metro-8018473 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 http://www.tunnelsonline.info/news/metro-ai-air-system-may-reduce-covid-19-risk-8016250 http://www.tunnelsonline.info/news/metro-ai-air-system-may-reduce-covid-19-risk-8016250 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 http://www.tunnelsonline.info/news/tbm-breaks-through-on-brenner-exploratory-tunnel-8014699 http://www.tunnelsonline.info/news/tbm-breaks-through-on-brenner-exploratory-tunnel-8014699 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 http://www.tunnelsonline.info/news/three-tunnels-favoured-for-prague-ring-road-8009570 http://www.tunnelsonline.info/news/three-tunnels-favoured-for-prague-ring-road-8009570 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 http://www.tunnelsonline.info/news/veteran-tbm-holes-through-on-tideway-connection-tunnel-8009564 http://www.tunnelsonline.info/news/veteran-tbm-holes-through-on-tideway-connection-tunnel-8009564 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 http://www.tunnelsonline.info/news/tbm-sets-new-southern-hemisphere-record-8007301 http://www.tunnelsonline.info/news/tbm-sets-new-southern-hemisphere-record-8007301 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 http://www.tunnelsonline.info/news/forget-wtc-2020-look-forward-to-copenhagen-2021-8004623 http://www.tunnelsonline.info/news/forget-wtc-2020-look-forward-to-copenhagen-2021-8004623 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 http://www.tunnelsonline.info/news/ferrovial-wins-in-portugal-8004619 http://www.tunnelsonline.info/news/ferrovial-wins-in-portugal-8004619 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 http://www.tunnelsonline.info/news/ward-burke-sets-new-canadian-microtunnelling-record-8001445 http://www.tunnelsonline.info/news/ward-burke-sets-new-canadian-microtunnelling-record-8001445 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 http://www.tunnelsonline.info/news/tunnel-intransigence-blocks-maglev-progress-8001440 http://www.tunnelsonline.info/news/tunnel-intransigence-blocks-maglev-progress-8001440 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