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TUNNELLING JOURNAL FEBRUARY/MARCH 2025
February/March 2025
The International Journal for the Tunnelling Industry
www.tunnellingjournal.com
Constructing
Cross passages
through groundwater
What is the right methodology?
Page Page Page
20 Tunnelling
through time
TJ investigates the
Har Ha-Menuchot
underground
Cemetery, which
won first placing in
the ITA Tunnelling
Awards 2024 ‘Beyond
Engineering’ category. 24
Lift and access
solutions
How working safely
and efficiently in
severe weather, at
extreme depths or
TUNNELLING JOURNAL FEBRUARY/MARCH 2025 February/
2 Tunnelling Journal
CONTENTS Editor’s comment – page 5 Industry News
rocktechnology.sandvik/groundsupport AT – Pipe
EDITOR’S COMMENT Multi-everything Are you old e
BREAKING INDUSTRY NEWS The Boring Company signs M
0121 508 6970 | mapei.co.uk Tunnelling Journal 7
Cross passages through groundwater What is the r
Why be a BEV first mover? Cro
fibre optic temperature systems, where we use glas
PC: Barnard Challenges Accepted. Custom equipme
Launch frame for cross passage TBM on the
the collapse area was revealed by excavation.
A 3D image of the collapse helped inform
THE SMART FUTURE OF CONCRETE SPRAYING Less w
TBMs in Mines Shani Wallis, Freelance Reporter, l
TBMs in mines • A global situation to be mana
The WTC2014 ITA Open Session in Igua
Tunnelling Journal 19
Project Name: Har Ha-Menuchot underground Cemeter
Tunnelling through time: The rise of underground
Removal of drill & blast excavated rock
Tunnelling through time: The rise of underground
Lift and access solutions to meet the challenges
Lift and access solutions to meet the challenges
Registration Opens Spring 2025 Attend the Nation’
Lift and access solutions to meet the challenges
for sale or rent. However, it’s increasingly seei
Advances in Tunneling Technology | November 3-5,
Crossing the fault zone on TELT’s SMP4 M. Calorio
Crossing the fault zone on TELT’s SMP4
Figure 4. View of the reduced section with HEB240
Crossing the fault zone on TELT’s SMP4 Deforma
VSDs – choosing what’s right for you Maria Lushi
Managing fire safety The confined spaces and high-d
See you in ITA WTC 2025 The countdown is on fo
See you in Stockholm - ITA WTC 2025
CONTACT US Tris Thomas Editorial Director Tel: +
Register now! World Tunnel Congress Stockholm 9–1
The magazine for the Tunnelling Association of Ca
Above.
Contacts The Tunnelling Association of Canada (T
President’s Welcome
TAC Board Members TAC announced retirements and n
Pioneering smarter underground solutions From co
The Next Generation Future Projects Looking at
Gaspari explains, adding that Canada has very str
tools to overcome these technical challenges, hav
10 Canadian Tunnelling
The Next Generation - Part 2 Future-proofing the
in it from a young age in order to create that pi
“For them, digitalization is the norm. Howeve
is faster and easier, yes, but if we’re not educa
100% Recycled Plastic Safe ha for the toughes
Montreal 2024 Conference Success With more than 6
MONTREAL 2024 CONFERENCE SUCCESS
Celebrating TAC’s 2024 Achievement Award Winners
CELEBRATING TAC’S 2024 ACHIEVEMENT AWARD WINNERS
Canadian Project of the Year Award (Over $300M CA
KEEP YOUR PROJECT ADVANCING INTERNATIONAL HYPERB
An interview with tunnel leaders from across the
AN INTERVIEW WITH TUNNEL LEADERS FROM ACROSS THE
NEWS The following section presents updates on a
NEWS Quebec and Maritimes regional tunnel projec
NEWS underground twin tunnel segment. Proposals
A proud heritage of innovative thinking.
TAC Conferences and Workshops One of TAC’s mai
Join us in Vancouver this November TAC Workshop o
MAY 15-21, 2026 - MONTRÉAL, CANADA Palais des con
WE LOOK FOWARD TO WELCOMING YOU TO WTC 2026! On
Tunnelling Ahead: Attracting the Next Generation
TUNNELLING AHEAD: ATTRACTING THE NEXT GENERATION
TAC CHAPTER NEWS Ontario Chapter Updates Dan If
The magazine for the Tunnelling Association of Ca
Welcome to the TAC+ Directory Published every ye
TAC Corporate Directory plus Our Commercial Di
TAC Corporate Directory plus Hatch is an inter
TAC Corporate Directory plus Contact informati
Above.
TAC Corporate Directory plus Michels Canada is