Latest from Tunnels and Tunnelling
Hull Flood Alleviation
Paola De Pascali visited the site of the Anlaby and East Ella Flood Alleviation Scheme (AEFAS) in Hull to explore the challenges of excavating a culvert through Chalk and within a Source Protection Zone
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Make the case
Chris Sivesind, Akkerman, discusses guided auger boring pipeline installations and its use in recent projects from around the world
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South Dakota – Three of the underground construction components are near completion at the Sanford Underground Research Facility (Sanford Lab) for the far site of Fermi National Accelerator Laboratory’s (Fermilab) Long-Baseline Neutrino Facility (LBNF).
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High Speed 2 given go-ahead, with more oversight
Great Britain – Britain’s new high-speed rail link between its southern capital and major northern cities has survived a review process and will go ahead. British Prime Minister Boris Johnson approved the project, hailing it as a ‘new spine of British transport’ but said the decision was difficult and controversial.
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Stantec makes leadership appointments
Stantec has announced its leadership group for its Infrastructure business as of January. Susan Walter will be taking over as executive vice president, infrastructure for Stantec’s global operations. Susan’s appointment to the position comes as Stuart Lerner, who has helmed the business for two years, is promoted to chief operating officer, North America.
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Funding worth $2.3M earmarked for irrigation tunnel repair
Nebraska – The Bureau of Reclamation (BOR) announced USD 2.3M for the 100-year-old Gering-Ft. Laramie Tunnel repair work, on February 4.
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Herrenknecht completes Barcelona’s third vertical shaft sinking
Spain - On February 5 Herrenknecht announced its Vertical Shaft Sinking Machine (VSM) in Barcelona has completed three shafts in extremely confined space conditions.
LATEST FEATURES
Axel Nitschke, tunnel practice leader (NATM), for WSP USA , is chair of the ASA Underground Committee. He gives background on two new papers from the association
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Underground Maze
Paola De Pascali visited the Bank Station Capacity Upgrade (BSCU) site, which is placed in the City of London within historical buildings and Roman archaeological remains
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Encountering Pingoes
A slurry TBM encountered an unexpected drift filled hollow (DFH) on the Lee Tunnel drive. Three contributors told their part of the story: project geotechnical engineer Tim Newman gave a description of the project and some of the GI undertaken ahead of the drive, tunnel construction manager John Corcoran spoke about tunnel operations and consultant geologist Jackie Skipper about emergency response site team, forensic ground investigation to gauge extent of DFH, what is a DFH and tell-tale signs. Martyn Noak from Jacobs reports
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Hunting the record
Romed Insam from Brenner Base Tunnel SE and Michael Rehbock-Sander, head of engineering at the Brenner Base Tunnel North JV, working for Amberg Engineering, report on the challenges and the current state of the future longest tunnel in the world
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Alan Thomas Winter (1952-2019)
It is almost a year since Alan died unexpectedly in January 2019. Those who worked with Alan respected his immense knowledge and vast practical experience that he brought to bear for the benefit of numerous projects and clients. In addition, Alan was also well known and admired for his sense of humour and quick ability to add wit to alleviate the stress of crisis.
