<br />
Issue No 13 April 2025<br />
Read the 2024 David Sugden<br />
Award winning paper<br />
Meet Annalena Chapman - Incoming<br />
Chair of Queensland’s Chapter<br />
Access ATS competitions, publications,<br />
courses and more<br />
Journal of the Australian & New Zealand<br />
Tunnelling Societies<br />
1<br />
2<br />
Contents April ISSUE13<br />
07 PRESIDENT AND EDITOR’S<br />
COMMENTS<br />
08 AUSTRALIA TUNNEL NEWS<br />
20 NEW ZEALAND TUNNEL NEWS<br />
24 ASIA TUNNEL NEWS<br />
26 MINING NEWS<br />
08<br />
29 DAVID SUGDEN AWARD 2024 -<br />
SHENYAN YAO PAPER<br />
36 NEW PRODUCTS AND SERVICES<br />
37 BALANCING SUSTAINABILITY<br />
AND PERFORMANCE – THE ROLE<br />
OF WATER QUALITY IN BACKFILL<br />
GROUTS - BY LUKE FOYSTER<br />
36<br />
38 ATS CHAPTER AND SUBGROUP<br />
REPO<a title="A&NZ Journal April 2025 page 1" href="https://secure.viewer.zmags.com/publication/057a4167?page=1"> Issue No 13 April 2025 Read th</a>
<a title="A&NZ Journal April 2025 page 2" href="https://secure.viewer.zmags.com/publication/057a4167?page=2"> 2</a>
<a title="A&NZ Journal April 2025 page 3" href="https://secure.viewer.zmags.com/publication/057a4167?page=3"> Contents April ISSUE13 07 PRESID</a>
<a title="A&NZ Journal April 2025 page 4" href="https://secure.viewer.zmags.com/publication/057a4167?page=4"> PLATINUM SPONSORS John Holland Pty Ltd Contact: D</a>
<a title="A&NZ Journal April 2025 page 5" href="https://secure.viewer.zmags.com/publication/057a4167?page=5"> GOLD SUPPORTING MEMBERS Ghella Pty Ltd Tel: +61 4</a>
<a title="A&NZ Journal April 2025 page 6" href="https://secure.viewer.zmags.com/publication/057a4167?page=6"> From Constructability Experts to Lifec</a>
<a title="A&NZ Journal April 2025 page 7" href="https://secure.viewer.zmags.com/publication/057a4167?page=7"> Cover photo: Construction of an Egress Out and Un</a>
<a title="A&NZ Journal April 2025 page 8" href="https://secure.viewer.zmags.com/publication/057a4167?page=8"> Australian Tunnelling Updates and News Queensland</a>
<a title="A&NZ Journal April 2025 page 9" href="https://secure.viewer.zmags.com/publication/057a4167?page=9"> ATS LAUNCHES SECOND EDITION OF TUNNEL DESIGN GUID</a>
<a title="A&NZ Journal April 2025 page 10" href="https://secure.viewer.zmags.com/publication/057a4167?page=10"> Sydney Metro West – Eastern Tunnelling Package Jo</a>
<a title="A&NZ Journal April 2025 page 11" href="https://secure.viewer.zmags.com/publication/057a4167?page=11"> 11</a>
<a title="A&NZ Journal April 2025 page 12" href="https://secure.viewer.zmags.com/publication/057a4167?page=12"> Coffs Harbour Bypass Gamuda Australia and Ferrovi</a>
<a title="A&NZ Journal April 2025 page 13" href="https://secure.viewer.zmags.com/publication/057a4167?page=13"> long ‘headrace’ tunnel that will link the upper T</a>
<a title="A&NZ Journal April 2025 page 14" href="https://secure.viewer.zmags.com/publication/057a4167?page=14"> Melbourne Suburban Rail Loop Webuild, GS Engineer</a>
<a title="A&NZ Journal April 2025 page 15" href="https://secure.viewer.zmags.com/publication/057a4167?page=15"> We keep your project rolling. Locomotives · R</a>
<a title="A&NZ Journal April 2025 page 16" href="https://secure.viewer.zmags.com/publication/057a4167?page=16"> North East Link CPB, GS E&C, Webuild, China Const</a>
<a title="A&NZ Journal April 2025 page 17" href="https://secure.viewer.zmags.com/publication/057a4167?page=17"> 4 km in length, will provide crucial connectivity</a>
<a title="A&NZ Journal April 2025 page 18" href="https://secure.viewer.zmags.com/publication/057a4167?page=18"> Centenary Motorway with Tunnel Proposal for Brisb</a>
<a title="A&NZ Journal April 2025 page 19" href="https://secure.viewer.zmags.com/publication/057a4167?page=19"> At John Holland, we're renowned for our tunnellin</a>
<a title="A&NZ Journal April 2025 page 20" href="https://secure.viewer.zmags.com/publication/057a4167?page=20"> “Why Should We Do Best Practice and Not Appropria</a>
<a title="A&NZ Journal April 2025 page 21" href="https://secure.viewer.zmags.com/publication/057a4167?page=21"> MELB LBOU 26 M ATS Rock Fractur One D</a>
<a title="A&NZ Journal April 2025 page 22" href="https://secure.viewer.zmags.com/publication/057a4167?page=22"> New Zealand Tunnelling Updates and News Greville</a>
<a title="A&NZ Journal April 2025 page 23" href="https://secure.viewer.zmags.com/publication/057a4167?page=23"> Central Interceptor – Southern Section Commission</a>
<a title="A&NZ Journal April 2025 page 24" href="https://secure.viewer.zmags.com/publication/057a4167?page=24"> Mt Messenger Tunnelling Underway Mt Messenger All</a>
<a title="A&NZ Journal April 2025 page 25" href="https://secure.viewer.zmags.com/publication/057a4167?page=25"> Bangkok Orange Line West Project AECOM has been s</a>
<a title="A&NZ Journal April 2025 page 26" href="https://secure.viewer.zmags.com/publication/057a4167?page=26"> Underground stations announced for Singapore DTL2</a>
<a title="A&NZ Journal April 2025 page 27" href="https://secure.viewer.zmags.com/publication/057a4167?page=27"> ACCIONA is a global leader in sustainable infrast</a>
<a title="A&NZ Journal April 2025 page 28" href="https://secure.viewer.zmags.com/publication/057a4167?page=28"> Gravity storage for Mount Isa mine shafts Wollong</a>
<a title="A&NZ Journal April 2025 page 29" href="https://secure.viewer.zmags.com/publication/057a4167?page=29"> David Sugden Award Winner 2024 Shenyan Yao of AEC</a>
<a title="A&NZ Journal April 2025 page 30" href="https://secure.viewer.zmags.com/publication/057a4167?page=30"> to estimate displacement and support performance </a>
<a title="A&NZ Journal April 2025 page 31" href="https://secure.viewer.zmags.com/publication/057a4167?page=31"> and 60° were considered to assess symmetrical and</a>
<a title="A&NZ Journal April 2025 page 32" href="https://secure.viewer.zmags.com/publication/057a4167?page=32"> Figure 6: Relationship between ( Dm) and ( Tm ) </a>
<a title="A&NZ Journal April 2025 page 33" href="https://secure.viewer.zmags.com/publication/057a4167?page=33"> DAVID SUGDEN YOUNG WRITERS’ AWARD OPEN NOW! Compe</a>
<a title="A&NZ Journal April 2025 page 34" href="https://secure.viewer.zmags.com/publication/057a4167?page=34"> • 90° junctions demonstrate a more linear and</a>
<a title="A&NZ Journal April 2025 page 35" href="https://secure.viewer.zmags.com/publication/057a4167?page=35"> SS-III: The data points display more variabil</a>
<a title="A&NZ Journal April 2025 page 36" href="https://secure.viewer.zmags.com/publication/057a4167?page=36"> New products and services Technidrive and ASAP P</a>
<a title="A&NZ Journal April 2025 page 37" href="https://secure.viewer.zmags.com/publication/057a4167?page=37"> Balancing Sustainability and Performance – The Ro</a>
<a title="A&NZ Journal April 2025 page 38" href="https://secure.viewer.zmags.com/publication/057a4167?page=38"> ATS chapter and subgroup reports September 2024 t</a>
<a title="A&NZ Journal April 2025 page 39" href="https://secure.viewer.zmags.com/publication/057a4167?page=39"> Conference 2025 to be hosted in Perth in November</a>
<a title="A&NZ Journal April 2025 page 40" href="https://secure.viewer.zmags.com/publication/057a4167?page=40"> ALWAYS ADVANCING www.terratec.co </a>
<a title="A&NZ Journal April 2025 page 41" href="https://secure.viewer.zmags.com/publication/057a4167?page=41"> ATS News Brisbane’s Wave! Help Us Bring WTC 2028 </a>
<a title="A&NZ Journal April 2025 page 42" href="https://secure.viewer.zmags.com/publication/057a4167?page=42"> ATS Mentor Alliance update The ATS Mentor Allianc</a>
<a title="A&NZ Journal April 2025 page 43" href="https://secure.viewer.zmags.com/publication/057a4167?page=43"> Digging Deeper - how ATS events are building conn</a>
<a title="A&NZ Journal April 2025 page 44" href="https://secure.viewer.zmags.com/publication/057a4167?page=44"> Registration Opens Spring 2025 Attend the Nation’</a>
<a title="A&NZ Journal April 2025 page 45" href="https://secure.viewer.zmags.com/publication/057a4167?page=45"> IN PROFILE Annalena Chapman: Leading with passion</a>
<a title="A&NZ Journal April 2025 page 46" href="https://secure.viewer.zmags.com/publication/057a4167?page=46"> THE ANZ PHOTOGRAPHY COMPETITION Thanks to all th</a>
<a title="A&NZ Journal April 2025 page 47" href="https://secure.viewer.zmags.com/publication/057a4167?page=47"> Historical tunnel news 70-year-old sandstone sewe</a>
<a title="A&NZ Journal April 2025 page 48" href="https://secure.viewer.zmags.com/publication/057a4167?page=48"> Australian and New Zealand Tunnel Projects Region</a>
<a title="A&NZ Journal April 2025 page 49" href="https://secure.viewer.zmags.com/publication/057a4167?page=49"> Scope of work </a>
<a title="A&NZ Journal April 2025 page 50" href="https://secure.viewer.zmags.com/publication/057a4167?page=50"> Contacts V7. ATS_1018_Contacts_050.qxd:Layout 1 </a>
<a title="A&NZ Journal April 2025 page 51" href="https://secure.viewer.zmags.com/publication/057a4167?page=51"> Constructing our future together CPB Contractor</a>
<a title="A&NZ Journal April 2025 page 52" href="https://secure.viewer.zmags.com/publication/057a4167?page=52"> Steel fibre concrete reinforcement Dramix® </a>