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<br /> <br /> June/July 2025<br /> The International Journal for the Tunnelling Industry<br /> TUNNELLING JOURNAL JUNE/JULY 2025<br /> www.tunnellingjournal.com<br /> The ever changing face<br /> of sustainability<br /> Page Page Page<br /> 12<br /> The Future of<br /> Sustainability<br /> Sustainability is<br /> changing, but not in<br /> the way you think it is.<br /> Nicole Robinson talks<br /> to Michael Hauf about<br /> his report “The Future<br /> of Sustainability”.<br /> 16 Tackling<br /> Workforce<br /> Retention<br /> Mott MacDonald’s<br /> Jean Sketchley shares<br /> some insights on<br /> Sustainable Workforce<br /> Diversification,<br /> Development &<br /> Retention. u<br /> 23<br /> T<br /> Game plan<br /> <a title="TJ June/July 2025 page 1" href="https://secure.viewer.zmags.com/publication/5e378b69?page=1"> </a> <a title="TJ June/July 2025 page 2" href="https://secure.viewer.zmags.com/publication/5e378b69?page=2"> June/July 2025 The International Journal for th</a> <a title="TJ June/July 2025 page 3" href="https://secure.viewer.zmags.com/publication/5e378b69?page=3"> 2 Tunnelling Journal</a> <a title="TJ June/July 2025 page 4" href="https://secure.viewer.zmags.com/publication/5e378b69?page=4"> CONTENTS Editor’s comment – page 5 Industry News </a> <a title="TJ June/July 2025 page 5" href="https://secure.viewer.zmags.com/publication/5e378b69?page=5"> Better Tunnelling Better Life </a> <a title="TJ June/July 2025 page 6" href="https://secure.viewer.zmags.com/publication/5e378b69?page=6"> EDITOR’S COMMENT Good show! It’s that time of y</a> <a title="TJ June/July 2025 page 7" href="https://secure.viewer.zmags.com/publication/5e378b69?page=7"> BREAKING INDUSTRY NEWS CREG retractable pipe jack</a> <a title="TJ June/July 2025 page 8" href="https://secure.viewer.zmags.com/publication/5e378b69?page=8"> BREAKING INDUSTRY NEWS TBM “Haojiang Pioneer” lau</a> <a title="TJ June/July 2025 page 9" href="https://secure.viewer.zmags.com/publication/5e378b69?page=9"> 8 Tunnelling Journal</a> <a title="TJ June/July 2025 page 10" href="https://secure.viewer.zmags.com/publication/5e378b69?page=10"> Underground solutions for a sustainable future By</a> <a title="TJ June/July 2025 page 11" href="https://secure.viewer.zmags.com/publication/5e378b69?page=11"> How to really compare the benefits of the undergro</a> <a title="TJ June/July 2025 page 12" href="https://secure.viewer.zmags.com/publication/5e378b69?page=12"> Advances in Tunneling Technology | November 3-5, </a> <a title="TJ June/July 2025 page 13" href="https://secure.viewer.zmags.com/publication/5e378b69?page=13"> Q&A Sustainability is changing, but not in the wa</a> <a title="TJ June/July 2025 page 14" href="https://secure.viewer.zmags.com/publication/5e378b69?page=14"> Q&A - Michael Hanf they will influence your ove</a> <a title="TJ June/July 2025 page 15" href="https://secure.viewer.zmags.com/publication/5e378b69?page=15"> into sustainability going forward. They see it as</a> <a title="TJ June/July 2025 page 16" href="https://secure.viewer.zmags.com/publication/5e378b69?page=16"> the of the people living in these in these enviro</a> <a title="TJ June/July 2025 page 17" href="https://secure.viewer.zmags.com/publication/5e378b69?page=17"> Tackling Workforce Retention Jenn Sketchley, of M</a> <a title="TJ June/July 2025 page 18" href="https://secure.viewer.zmags.com/publication/5e378b69?page=18"> refining outdated procedures, can drive significant</a> <a title="TJ June/July 2025 page 19" href="https://secure.viewer.zmags.com/publication/5e378b69?page=19"> The Development of Slipform Tunnelling To meet th</a> <a title="TJ June/July 2025 page 20" href="https://secure.viewer.zmags.com/publication/5e378b69?page=20"> injection phases. Pre-injection, the STLM must be</a> <a title="TJ June/July 2025 page 21" href="https://secure.viewer.zmags.com/publication/5e378b69?page=21"> Figure 3. STLM specimens - (left)</a> <a title="TJ June/July 2025 page 22" href="https://secure.viewer.zmags.com/publication/5e378b69?page=22"> The Development of Slipform Tunnelling control</a> <a title="TJ June/July 2025 page 23" href="https://secure.viewer.zmags.com/publication/5e378b69?page=23"> Figure 6. Construction cost and embodied carbon -</a> <a title="TJ June/July 2025 page 24" href="https://secure.viewer.zmags.com/publication/5e378b69?page=24"> Game plan for the next generation Tunnelling is </a> <a title="TJ June/July 2025 page 25" href="https://secure.viewer.zmags.com/publication/5e378b69?page=25"> engineers and a lot of those I met through the IC</a> <a title="TJ June/July 2025 page 26" href="https://secure.viewer.zmags.com/publication/5e378b69?page=26"> Game plan for the next generation Arabel Vilas S</a> <a title="TJ June/July 2025 page 27" href="https://secure.viewer.zmags.com/publication/5e378b69?page=27"> Back-analysis of convergences in the squeezing so</a> <a title="TJ June/July 2025 page 28" href="https://secure.viewer.zmags.com/publication/5e378b69?page=28"> Back-analysis of convergences in the squeezing so</a> <a title="TJ June/July 2025 page 29" href="https://secure.viewer.zmags.com/publication/5e378b69?page=29"> For simplification purposes, this influence is negl</a> <a title="TJ June/July 2025 page 30" href="https://secure.viewer.zmags.com/publication/5e378b69?page=30"> Back-analysis of convergences in the squeezing so</a> <a title="TJ June/July 2025 page 31" href="https://secure.viewer.zmags.com/publication/5e378b69?page=31"> CONTACT US Tris Thomas Editorial Director Tel: + </a> <a title="TJ June/July 2025 page 32" href="https://secure.viewer.zmags.com/publication/5e378b69?page=32"> Always digging that little bit deeper Our dedicat</a> <a title="TJ June/July 2025 page 33" href="https://secure.viewer.zmags.com/publication/5e378b69?page=33"> June/July 2025 The International Journal for th</a> <a title="TJ June/July 2025 page 34" href="https://secure.viewer.zmags.com/publication/5e378b69?page=34"> June/July 2025 www.tunnellingjournal.co</a> <a title="TJ June/July 2025 page 35" href="https://secure.viewer.zmags.com/publication/5e378b69?page=35"> 2 North American Tunneling Journal</a> <a title="TJ June/July 2025 page 36" href="https://secure.viewer.zmags.com/publication/5e378b69?page=36"> Comment Future proof The American Society of Civ</a> <a title="TJ June/July 2025 page 37" href="https://secure.viewer.zmags.com/publication/5e378b69?page=37"> NORTH AMERICAN NEWS New contract for Delaware Aqu</a> <a title="TJ June/July 2025 page 38" href="https://secure.viewer.zmags.com/publication/5e378b69?page=38"> North American Tunneling Journal 5</a> <a title="TJ June/July 2025 page 39" href="https://secure.viewer.zmags.com/publication/5e378b69?page=39"> NORTH AMERICAN NEWS Final tunnels on Eglinton Cro</a> <a title="TJ June/July 2025 page 40" href="https://secure.viewer.zmags.com/publication/5e378b69?page=40"> North American Tunneling Journal 7</a> <a title="TJ June/July 2025 page 41" href="https://secure.viewer.zmags.com/publication/5e378b69?page=41"> THE INSIDER Bob Goodfellow, PE, PEng, President, </a> <a title="TJ June/July 2025 page 42" href="https://secure.viewer.zmags.com/publication/5e378b69?page=42"> www.jennmarcivil.com PROUD TO BE THE OVERALL SPOR</a> <a title="TJ June/July 2025 page 43" href="https://secure.viewer.zmags.com/publication/5e378b69?page=43"> SMALL SPACE BIG IMPACT A new underground passagew</a> <a title="TJ June/July 2025 page 44" href="https://secure.viewer.zmags.com/publication/5e378b69?page=44"> 7 train connects Manhattan to Queens and renown v</a> <a title="TJ June/July 2025 page 45" href="https://secure.viewer.zmags.com/publication/5e378b69?page=45"> 12 North American Tunneling Journal</a> <a title="TJ June/July 2025 page 46" href="https://secure.viewer.zmags.com/publication/5e378b69?page=46"> create another shield to continue progressing the</a> <a title="TJ June/July 2025 page 47" href="https://secure.viewer.zmags.com/publication/5e378b69?page=47"> Shotcreting replaced the cast- in-pla</a> <a title="TJ June/July 2025 page 48" href="https://secure.viewer.zmags.com/publication/5e378b69?page=48"> </a> <a title="TJ June/July 2025 page 49" href="https://secure.viewer.zmags.com/publication/5e378b69?page=49"> The new stairway opened in February and to s</a> <a title="TJ June/July 2025 page 50" href="https://secure.viewer.zmags.com/publication/5e378b69?page=50"> We’re not afraid to dig up fresh solutions. </a> <a title="TJ June/July 2025 page 51" href="https://secure.viewer.zmags.com/publication/5e378b69?page=51"> © Klaus Helbig / SBEV GmbH Leading the tunneling</a> <a title="TJ June/July 2025 page 52" href="https://secure.viewer.zmags.com/publication/5e378b69?page=52"> Pipe dream come true Installing the largest FRPM </a> <a title="TJ June/July 2025 page 53" href="https://secure.viewer.zmags.com/publication/5e378b69?page=53"> 2 Delivering complex tunneling projects worldwid</a> <a title="TJ June/July 2025 page 54" href="https://secure.viewer.zmags.com/publication/5e378b69?page=54"> PIPE DREAM COME TRUE different than what we we</a> <a title="TJ June/July 2025 page 55" 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