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Sprayed Concrete Lined Tunnels – second edition 12 September, 2019
International – The second edition of Sprayed Concrete Lined Tunnels was published last week. The book was written by Alun Thomas of All2Plan Consulting and is an update to his 2008 version.
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Breakthrough on Parmer Lane Wastewater Interceptor
Tuesday, September 10, 2019 Texas – Breakthrough on the Parmer Lane Wastewater Interceptor saw the longest rock tunnel bored by a double shield TBM under 2.5m. The machine, a 2.46m Robbins, completed the 3,475m drive with no intermediate access.
Tunnelling works suspended for East-West Metro project in India
Tuesday, September 10, 2019 India - Following the discovery of cracks and collapsed residences in central Kolkata, the East-West Metro project’s tunnelling works were suspended on 1 September 2019.
HNTB appoints tunnel ventilation and fire life safety engineer
Thursday, September 05, 2019 USA – Bernd Hagenah joined HNTB’s national tunnel practice as principal engineer tunnel ventilation and fire life safety, and associate vice president.
New Zealand tunnel work inspires health and safety course
Tuesday, September 03, 2019 New Zealand – The New Zealand Tunnelling Society (NZTS) recently ran a three-day health and safety course in Auckland in recognition of the significant amount of tunnelling activity currently going on in the city. Two major tunnelling projects, City Rail Link and the Central Interceptor sewer project are in the early stages of construction as well as various small utility tunnel schemes.
Mammoet facilitates Tideway TBM lift
Tuesday, September 03, 2019 Great Britain – Mammoet has safely lowered a 690t TBM down a 35m shaft in London for the Tideway West project. The awkward site configuration, shaft depth and the load of the TBM makes TBM lift jobs an interesting challenge for cranes companies.
Breakthrough on Mumbai Metro Line 3
Thursday, August 29, 2019 India – A TBM has broken through on the UGC-02 contract of Mumbai Metro Line 3. The breakthrough completes the first section of running tunnel for the project. The section is the 3.82km southbound running tunnel between the Chhatrapati Shivaji Terminal (CST) and Mumbai Central stations.
Eprioc to expand production facility in Örebro
Thursday, August 29, 2019 Sweden – Eprioc has announced that it will expand one of its main production facilities in Örebro, Sweden. The company said the move will increase its productivity and make it more efficient.
Cross River Rail awards fit-out contract
Thursday, August 29, 2019 Australia – The Cross River Rail project in Brisbane has awarded the second major contract, which is for the upgrading of seven stations, installing rail infrastructure in the tunnels and integrating the project with the existing network.
High Speed 2 future in question as government orders review
Thursday, August 22, 2019 Great Britain – The Prime Minister has announced a review into “whether and how we proceed” with High Speed 2 (HS2). The review has been announced ahead of the ‘Notice to Proceed’ decision for Phase 1, which is due by the end of 2019. The review should be complete in autumn 2019.
Sydney Metro CBD breakthrough
Wednesday, August 21, 2019 Australia – The first TBM has broken through into the Pitt Street metro station in Sydney’s central business district (CBD). TBM ‘Nancy’, a double shield hard rock gripper machine manufactured by Herrenknecht has tunnelled 6km through sandstone and shale since launching from Marrickville in October. TBM ‘Mum Shirl’, excavating the parallel tunnel, is a few hundred metres behind.

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