NEWS |
Segment production for largest Brenner Base Tunnel lot completed
ITA appoints new executive
director SWITZERLAND - The ITA has appointed Helen Roth as its new executive director. She took up the post in January. Roth, a Norwegian national, will bring
a wealth of knowledge and a proven track record in transport infrastructure and organisation administration to the position, said ITA. ITA president Arnold Dix said: “Helen’s
leadership and experience qualities are precisely what the ITA needs to navigate the evolving growth and administration of our Association.” He added that she has “proven ability to drive innovation, foster collaboration, and achieve results. Roth will oversee operation of the
Association’s Executive Council and the services of its Secretariat for ITA’s federation of 80 member nations, committees, working groups, and members, and its association with the United Nations and other global partners and collaborators. Roth has been CEO of VIA, a national
Above: Segment production for Lot H61 Mules 2-3, the Brenner Base Tunnel’s largest construction lot, has been completed PHOTO CREDIT: BBT
ITALY - Production of concrete segments for the Brenner Base Tunnel’s biggest construction lot has been completed. The segment manufacturing
plant is located in Hinterrigger, near Brixen, and operated by Isocell Precompressi S.p.A. It began production for the Lot H61 Mules 2-3 in December 2017 and has produced almost 26,000 concrete rings and more than 38,000 base segments for the main tunnels and an exploratory tunnel on the Brenner Base Tunnel - a major Austrian- Italian joint project. Giving a split on the relative
amounts for each tunnel, Project Manager Alessandro Marottoli said: “From 13 December 2017 to 19 September 2024, when the production of segments for the BBT ended in Hinterrigger, 16,285 rings and 16,298 base segments were produced for the main tunnels, as well as 9,456 rings and 21,762 base segments for the exploratory tunnel.” Each ring is made up of seven
segments plus one base segment in the main tunnels and two base
8 | February 2025
elements for the exploratory tunnel. In total there were 218,247 segments produced at the Hinterrigger casting plant for the Brenner Base Tunnel project. Each segment of the main tunnel
weighs an average of nine tonnes, while a segment for the exploratory tunnel weighs half that. Approximately 30% of the
excavated material from tunnel boring on the Mules 2-3 Lot was used in the segment production. The manufactured concrete segments are then transported to the tunnelling site by rail. A consortium of Webuild, Ghella,
Cogeis and PAC is operating three TBMs on this lot. TBM ‘Serena’ was launched in May
2018 and reached the Brenner Pass in November 2021, after excavating 14km of the exploratory tunnel. TBM ‘Virginia’ started boring the eastern main tunnel in May 2019 and broke through at the Italian-Austrian border in March 2023. Virginia’s twin, TBM ‘Flavia’, was
launched in April 2019 and is nearly finished boring on the western main tunnel.
Norwegian transport infrastructure network.
Shetland explores tunnel potential UK - Shetland Islands Council has commissioned a transport feasibility study for the area, including the possibility of tunnels between islands. A consortium of Cowi, Stantec and
Mott MacDonald will explore the potential benefits and challenges of different transport options, including both improved ferry services and fixed links. The outcome of the Inter-Island Transport Connectivity Programme will be a comprehensive network strategy for the next 30 years. Cowi will focus on the fixed link element,
undertaking geological assessments, environmental impact considerations, engineering challenges, and economic analyses. Stantec’s director of transport planning,
Stephen Canning, said “the future of connectivity” was a fundamental concern for Shetland Islanders. “The ability to access employment,
services, and leisure opportunities on Shetland Mainland; move high value goods; and facilitate travel to and service delivery in the islands requires a high-quality and resilient inter-island transport network,” he said. Islanders have been campaigning for
fixed links.
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