The missing link: Constructing the WestConnex M4-M8 Link tunnels
2023-02-16 17:30 - 19:00 (Australia/Sydney) | Hybrid – online and in person at Aurecon – Level 11, 73 Miller St, North Sydney, Level 11/73 Miller St, North Sydney, New South Wales, 2060, Australia
How outstanding project leadership and innovation lead to successful delivery of the critical link for the WestConnex project.
The WestConnex M4M8 Tunnels is the final link for integrating the overall WestConnex tunnel network, providing the critical link between the M4 at Haberfield and M8 at St Peters, and creating the longest continuous underground motorway in Australia. This presentation covers how a strong leadership culture, along with design and construction innovations, enabled the team to safely deliver the project ahead of time, on budget and to the client’s satisfaction.
Who should attend: Tunnelling & Construction engineers, and anyone interested in the space.
How to attend: This is a hybrid event so you can attend in person or online.
Speaker 1 – Emmanuel Clech, Project Design & Construction Director at Acciona Samsung Bouygues JV
Emmanuel has over 33 years construction and management experience on international tunnel projects. He has successfully delivered major Infrastructure worldwide. His most recent role has been Project Design & Construction Director for the A$3.25B Westconnex M4-M5 Link Tunnels in Sydney, Australia. Emmanuel thrives on building highly capable teams with a “one team” culture where everyone is clear on the direction, openly communicate, collaborate, and support each other. He supports his one-team focus with a commitment to providing training, staff development, and continuously improving safety across the project lifecycle.
Speaker 2 – Andrew Marsonet, Project Director at Acciona Samsung Bouygues JV
Andrew has more than 40 years of construction experience, with a focus on the delivery of large-scale civil infrastructure in brownfield environments. Over the past 20 years Andrew has held senior management positions and assumed accountability for winning and delivering design/construction of major projects.
His projects have included the M4–M5 Link Tunnels, M2 Motorway Upgrade, major elements of the Sydney Harbour Tunnel and the tunnel packages of the New Southern Rail Airport Link in Sydney. A natural leader with an open and engaging approach, his collaborative leadership style has contributed to his effectiveness in project and operational management roles.
Speaker 3 – Dr. David Oliviera, Technical Director, Tunnelling at Aurecon
Dr David Oliveira is a Fellow of Engineers Australia with over 23 years of experience in geotechnical and civil engineering and highly regarded technical competence. He is currently a Technical Director, Tunnelling with Aurecon and is passionate about innovation and intelligent risk taking, focusing on delivering the highest levels of service and quality engineering to clients. His most recent experiences in tunnelling include the M4-M5 Link Tunnels, Sydney Metro West Central Tunnelling Package and Hinkley Point C Nuclear Power Plant in the UK.
This event is sponsored by Jacobs and Aurecon.

Fire testing of tunnel concrete lining segments – requirements and practical advice
2023-02-23 17:30 - 19:00 (Australia/Sydney) | Melbourne Engineers Australia office, Level 6, 181 William Street, Melbourne, VIC, Australia
This presentation provides a detailed summary of the structural fire testing requirements for concrete used in tunnel infrastructures.
Contrasting with building fires, tunnel fires are more significant within a few minutes due to the confined space, which can cause concrete spalling and jeopardise the tunnel supporting capacity. This fire-induced damage should be a substantial concern to designers. The catastrophic European tunnel fire events in 1999 and 2001 led to the development of innovative regulations and recommendations, including guidelines endorsed by the European Federation of National (EFNARC 132F r3:2006) and Efectis R0695:2020. This presentation provides an overview of these test standards and the tests conducted at the Victoria University full-scale NATA facility.
Presentation overview
As more cities in Australia and overseas dig deep underground to build congestion-busting car and train tunnels, they are exposed to risks incurred by fire-induced damage to tunnel lining. Spalling occurs when small pieces of concrete explode during fire or mechanical pressure, weakening the concrete and putting tunnels at risk of collapse. It has been linked to tunnel disasters and deaths overseas, including the Mount Blanc and St Gottard Tunnels in Switzerland (1999 and 2002 respectively).
Dr Maurice Guerrieri is using his expertise in ‘concrete spalling’ to test how various concrete samples respond to fire. Using the fire testing facilities in Victoria University, he is working on major tunnel projects to ensure they meet relevant fire-testing standards.
The presentation will demonstrate the test results on several concrete samples with various ratios of aggregate rock, sand, gravel and cement in temperatures of up to 1300 degrees centigrade to test for spalling since late last year. It offers useful lessons to tunnel designers, contractors, project managers, asset owners, and so forth.
Speaker bio
Professor Maurice Guerrieri is a senior Principal research fellow within the Institute of Sustainable Industries & Liveable Cities (ISILC) at Victoria University. He is the chief engineer in charge of the NATA Structural Fire Testing Facility located at the Werribee Campus. Maurice’s research interest is centred around the performance of concrete in fire and, to date, has undertaken full-scale structural fire testing relating to tunnels for some of Australia’s major infrastructure projects.

Celebrating diversity in tunnel engineering
2023-03-09 17:30 - 19:30 (Australia/Sydney) | EA Sydney Office, Mezzanine Level, 44 Market Street, Sydney, New South Wales, 2000, Australia
Join us to celebrate International Women’s Day and diversity in tunnel engineering
The Australian Tunnelling Society (ATS) and Diversity in Tunnelling (DiT) team cordially invite you to join us for the upcoming event to mark International Women’s Day with presentations from key women in the industry (followed by Q & A).
Event Program (AEDT)
5:30pm – Registrations open & light refreshments
6:00pm – Event commences
6:45pm – Q&A
7:00pm – Discussion & drinks
7:30pm – Event close

Who should attend: Tunnelling engineers, and all those interested in the space.
Speaker 1 – Nina Kilpinen, Managing Director at Seed Engineering Australia

Nina is a successful engineer, expert project manager and business leader, with almost twenty-five years of professional experience. She is the founder and Managing Director of Seed Engineering, specialising in the development and management of complex civil infrastructure projects, large team leadership and business management. Nina is recognised for her efficiency, versatility, creativity and team building leadership capabilities, which she brings to the large-scale civil infrastructure projects she has managed.
Nina has a depth of business experience. She has founded and operated successful retail businesses, worked as non-executive director at the Australian Theatre for Young People, is a casual academic and member of the Professional Advisory Board at the University of Technology Sydney, a Fellow of Engineers Australia and a graduate of the Australian Institute of Company Directors. She holds tertiary qualifications in engineering, construction law and engineering management and is passionate about building leadership skills in the next generation of engineers. Nina was awarded the highly commended Consult Australia Female Leadership Champions of Change award in 2017, in recognition of her support for women in engineering. She is an active and founding member of the NSW Construction Industry diversity and inclusion roundtable, which includes representatives from over twenty construction, consulting, government and academic organisations.
Nina lives in the upper Blue Mts with her husband, three children and two dogs. She is a keen snow sports enthusiast and aims to spend at least forty days per year, on the snow.
Speaker 2 – Iris Yim, Lead Engineering Geologist at Aurecon

Iris is an engineering geologist in Aurecon with about 15 years’ experience in Australia and internationally. She worked on few challenging tunnel projects such as the Express Railway link and South Island Line Admiralty Extension in Hong Kong, Westconnex Stage 2b and 3a in Sydney. Other experiences such as geohazard risk assessment and mitigation and earthquake risk assessment in HK and New Zealand.

Water mist suppression for road tunnels
2023-03-16 18:00 - 19:00 (Australia/Sydney) | Various venues (PLEASE SEE EVENT PROGRAM OPPOSITE FOR CORRECT VENUES AND TIMINGS)
Overview
Water mist suppression systems are an established and approved technology in many high-risk and/or special hazard applications are increasing in popularity for overseas road tunnels. This presentation will discuss differences between water mist and deluge and consider implementation and interaction with other systems and structural design.
Water deluge systems have remained the established means of automatic fire suppression within Australian road tunnels for over 30 years. Whilst effective in protection of life and preservation of tunnels in a fire, there are compromises; the cost and scale of the systems, the burden imposed on the tunnel drainage systems, and potential impact on occupants and responding emergency personnel, to name a few. Water mist suppression systems are an established and approved technology in many high-risk / special hazard applications.
As an alternative in road tunnels, water mist suppression systems address many of the issues inherent with deluge, whilst achieving similar outcomes. Much less water is used, which impacts cost and space associated with both suppression and drainage. For these reasons and many more, water mist suppression systems are increasing in popularity in overseas road tunnels. Hurdles to local implementation are varied, and include lack of familiarity/local precedents, potential interactions with smoke ventilation systems, and potential considerations for time-temperature curves and therefore structural design. Our speakers will aim to shed light on the varied aspects of this technology, and the pathway to it’s effective implementation in Australian road tunnels.
Event program
Webinar:

6:00pm AEDT: Event commences
7:00pm AEDT: Event concludes

In-person:
Melbourne: L17, Tower One, Collins Square, 727 Collins Street, Docklands
Sydney: 10/F, 383 Kent Street, Sydney

5:45pm AEDT: Attendees arrive
6:00pm AEDT: Event commences
7:00pm AEDT: Event concludes
7:00-7:30pm AEDT: Networking
7:30pm AEDT: Event concludes

Brisbane: Unit 4, 35 Limestone Street, Darra, Queensland

4:45pm AEST: Attendees arrive
5:00pm AEST: Event commences
6:00pm AEST: Event concludes
6:00-6:30pm AEST: Networking
6:30pm AEST: Event concludes

About the speakers
Conrad Stacey, FIEAust CPEng NER APEC Engineer IntPE(Aus)
Director, Stacey Agnew
One of the countries most trusted experts in the fields of tunnel ventilation and underground fire safety, Conrad leads the working group for revision of AS 4825 – ‘Tunnel Fire Safety’ and has observed and designed complete fire and life safety solutions for tunnels of all kinds, all over the world.
Paul Gingell
National Manager, Foam & Water Mist SystemsLPG Fire
LPGfire brings a combined 100 years in the design of fire protection systems for Special Hazard Risks. As National Manager, Foam & Water Mist Systems, Paul has been ‘at the coal face’, implementing and integrating these systems in road tunnels, and continually improving the process and outcome with his clients.

Herrenknecht Presentation - Mechanised sinking of deep shafts in hard rock
2023-03-23 17:30 - 19:30 (Australia/Brisbane) | Aurecon – 25 King Street, Bowen Hills, QLD 4006
Register now for limited places!
In 2022, Herrenknecht revealed details about its latest mechanised shaft sinking solution for mining, the Shaft Boring Cutterhead (SBC).
Join us for this special presentation which is not to be missed – limited places!
The company, which has successfully delivered its Vertical Shaft Sinking Machine (VSM) & Shaft Boring Roadheader (SBR) to soft-to-medium rock sinking applications in mining, has equipped its latest concept for hard rock up to 250 MPa uniaxial compressive strength (UCS), with the machine able to carry out cutting, lining and mucking operations concurrently.

The SBC had been designed for shaft diameters up to 9 m and shaft depths of approximately -1,500 m. The machine weight starts from 450 t and it is 45 m in length.
Patrick will present the SBC’s specifications and its capabilities as well as some of the projects completed to date.
This is an excellent networking opportunity and light refreshments will be served.
Registration details to follow soon.
Presenter

Patrick Rennkamp has been Product Manager Mining for Herrenknecht for over 20 years. He has a wide range of experience in both horizontal and vertical mechanised excavation methods where he is a leader in this field.

Kidston pumped hydroelectric scheme design and construction
2023-03-30 18:00 - 19:00 (Australia/Brisbane) | Hybrid – online and in person at Little Shoe, 1st Floor, Yagan Square, Perth
Overview
When operational, the Kidston Pumped Hydroelectric Scheme (K2-Hydro) will be Australia’s first Pumped Hydro project in over 40 years and will have the capacity to generate 250MW for up to approximately 8 hours. It repurposes the Kidston Gold Mine which finally closed in 2001. Design and construction commenced in April 2021 with tunnelling commencing in December that year with the 1500m long drill and blast main access tunnel.
After several years of development, the owner Genex, awarded an EPC Contract to the McConnel Dowell and John Holland Joint Venture (MDJH-JV) in March 2021 with site work starting in May 2021 and tunnelling work in December 2021. A joint venture of GHD and Mott MacDonald was engaged through the ECI and delivery phase to design the overall facility, including all tunnels and caverns, dam, powerhouse and transformer hall, hydraulics, power waterways, FLS and ventilation, balance of plant and local infrastructure.
Tunnelling works on this project consist of 2.85km of tunnels, 1km of shafts and over 70,000 cubic meters of cavern excavations.
The presentation will explore:

the impact the geology of the area had on the project and gain an understanding of the geology
why the various tunnel types were chosen
what to consider for support design methods
how far the construction project has progressed.

Event program
In-person event

Attendees’ arrival: 5.45pm AEST
Event commences: 6.00pm AEST
Event concludes: 7.00pm AEST
Networking: 7.00pm – 7.30pm AEST
Evening concludes: 7.30pm AEST

Webinar

Event commences: 7.00pm AEDT
Event concludes: 8.00pm AEDT

About the presenters
Brendan Henry
Practice Leader, GHD Tunnels and Engineering
Brendan has 30 years of experience on a wide range of tunnelling and heavy civil engineering projects as contractor and designer, working in UK, Singapore, Canada and for the last 14 years, Australia, arriving in 2008 as Engineering Manager for the TBM Tunnels on Airport Link with John Holland. Brendan has now been with GHD for 10 years, working on all phases of tunnel project delivery and most recently on the detailed design for D&C projects such as a 7.3km water transfer scheme in Philippines, Metro West in Sydney, and as the Engineering Delivery Manager for the design JV on Kidston.
Peter Gaylard, MIEAust CPEng NER
Senior Project Manager, John Holland
Peter has 15yrs of experience in delivery of complex infrastructure including on major Tunnelling, Materials Handling, Mining, General Building and Utility Services projects. Major projects worked on have included the Brisbane Airport Link Kedron Interchange Mined Tunnels, Wiggins Island Coal Export Terminal Stockyard Structural, Mechanical and Electrical package, Grosvenor Coal Mine Access Decline TBM and early works for the Brisbane Cross River Rail Roma St site. A Chartered Professional Engineer in both Civil and Mechanical disciplines Peter takes a multidisciplinary approach to project delivery and is trusted to find innovative solutions for each project.

Brisbane Metro Adelaide Street tunnel
2023-04-20 18:00 - 19:00 (Australia/Sydney) | Hybrid – online and in person at Little Shoe, 1st Floor, Yagan Square, Perth
Overview
The Adelaide Street tunnel is a critical piece of the Brisbane Metro project that provides additional capacity to Brisbane’s public transport system but requires the construction of a new road only 3.5m below the existing roadway.
This presentation will describe the need for the tunnel and the constraints of complex geology, buried services, traffic loading, adjacent heritage structures, and a demanding construction program with very little support site area. The presentation will describe how these challenging constraints have been met, including the design and construction of a relatively large span soft ground tunnel, which involves over 20km of canopy tubes and 19kms of fiberglass face nails installed in a complex construction sequence to minimise surface movements and provide sufficient space for the final bidirectional tunnel. The presentation will also include a brief update of construction progress.
In this presentation, you will learn:

what drives shallow tunnelling over cut and cover

how typical urban constraints can be overcome to successfully design and execute a shallow soft ground tunnel.

Event program
In-person:

5:30pm AEST: Arrival and registrations open.

6:00pm AEST: Presentation commences.

7:00pm AEST: Presentation concludes.

7:00pm AEST: Networking commences.

Online:

6:00pm AEST: Presentation commences.

7:00pm AEST: Presentation concludes.

Who should attend?
Tunnelling engineers and those interested in this space.
About the speakers
Henry Unwin FIEAust CPEng
Principal Project Manager at Brisbane City Council
After graduating from Portsmouth Polytechnic in 1984, he started work with Taylor Woodrow Construction working on projects in the industrial, commercial, wastewater, and nuclear projects across the UK, and the renovation and extension of the Hunghom Rail Terminus in Kowloon (with 100,000 passengers per day commuting through the construction works). Henry migrated to Australia in 2008 and worked as Engineering Manager on a number of major infrastructure projects including Brisbane Airport Domestic Terminal Expansion; Sydney Metro; Darwin, Gladstone and Broome LNG projects; Surat Basin Rail and a major 100Ml/d Water Treatment Plant. Henry is currently Principal Project Manager Infrastructure Design & Assurance on Council’s Brisbane Metro project.
Russell Connors
Senior Project Engineer, Acciona
Russell Connors is a Senior Project Engineer who has worked on several technically challenging and complex tunnelling projects across Australia and Singapore. Russell’s experience includes Earth Pressure Balance and Slurry Shield Tunnel Boring Machines operating in dense urban environments. Russell is currently involved with the planning and execution of the Adelaide Street Tunnel through the heart of Brisbane CBD, a soft ground mined tunnel with extremely low ground cover close to heritage listed and sensitive structures. Originating from Melbourne, Australia, Russell graduated from RMIT University with a Bachelor of Civil Engineering and Infrastructure. Russell has also received several awards from Australian and Singaporean tunnelling societies recognising his technical expertise.
Silvia Ferrero MIEAust CPEng NER
Geotechnical Engineer at Arup
Silvia is a geotechnical engineer in Arup with over 20 years’ experience in the design and delivery of small to large scale projects, from concept design to detailed design. Silvia completed her engineering studies in Italy, and then moved to the UK where she worked as junior engineer for 4 years, before joining Arup in the Milan office and then moving to Brisbane in 2011. Silvia’s experience is mostly focused on design and review of geotechnical aspects within multidisciplinary projects, including infrastructure and building projects. For Brisbane Metro, Silvia led the geotechnical and structures team, developing the geotechnical interpretation of the ground conditions and geotechnical design.

ATS VIC Technical Site Visit – Westgate Tunnel Project, Melbourne
2023-04-24 09:00 - 12:00 (Australia/Sydney) | West Gate Tunnel Project Info Centre, 2 Somerville Road, Yarraville, Victoria, 3013, Australia
Registration is now closed.
Date: Monday 24 April 2023
Time: 09:00 – 12:00 (AEST)
09:00 sharp commencement, 20 mins of project briefing prior to site visit commencing.
Meeting Point: West Gate Tunnel Project Info Centre. Opposite Murray’s Coaches, which is located at 2 Somerville Road, Yarraville 3013
Visitor parking is available at the information centre, as clearly indicated by appropriate signage
Cost: Complimentary to ATS members
Registration: Attendees must first register to be entered into a draw for the places, as the maximum number of participants will be strictly limited 15 visiting ATS members.
Please submit your registration of interest to attend this exciting tunnel project visit via this Registration Link by COB Monday 3rd April, registrations of interest received after this date will not be included in the draw. Successful registrants will be notified of their selection via email after the draw has taken place.
Plan for the day of the Site Visit
At 09:00 sharp, on 24th April, the project orientation and safety induction will commence. All ATS visitors must be fit for walking down to and within the tunnel, there will be several kilometres of walking. Please do not submit an expression of interest to visit the tunnel if you feel you might not be able to meet this requirement. The site visit will then conclude by 12:00 (midday).
You must bring your own Personal Protective Equipment (PPE), as listed below:

Steel capped lace up safety boots,
Long trousers,
Long-sleeved orange reflectorised shirt (or other long-sleeved shirt/jacket PLUS high-vis vest)
Safety glasses,
Hard hat.

All PPE must be in good condition and suitable for use on site. Incorrect or missing PPE will result in non-admission to the tunnel, this will be strictly enforced by the project representative on the day.
Westgate Tunnel Project Background
The West Gate Tunnel Project includes tunnels and an elevated motorway connecting the West Gate Freeway with the Port of Melbourne, CityLink and the city. It provides an alternative crossing of the Maribyrnong River to the West Gate Bridge. The West Gate Tunnel also involves the widening of the West Gate Freeway (from the M80 Ring Road and Princes Freeway to Williamstown Road) and upgrades to the road connections.
The West Gate Tunnel has three components:

West Gate Freeway – connection of the M80 and Princes Freeway to the southern portals of the tunnels, including connections to Grieve Parade, Millers Road, Williamstown Road, Hyde Street and the West Gate Bridge.
Twin tunnels – southern portals, which connect to the West Gate Freeway, and the northern portal, which connects to the new bridge over the Maribyrnong River.
Port, CityLink and city connections – connects from the north tunnel portal to the city and includes the Maribyrnong River crossing, connections to the Port of Melbourne, elevated roads along Footscray Road, and connections to CityLink and the city, including the Wurundjeri Way extension.

The Project also includes improvements to the shared use path network, including the extension of the Federation Trail to Hyde Street, an elevated veloway for cyclists above Footscray Road, a link to the Moonee Ponds Creek Trail and a new cycling bridge adjacent to Dynon Road.
For more information visit www.westgatetunnelproject.vic.gov.au
The twin, three lane tunnels are approximately 4 km long (outbound) and 2.8 km long (inbound) and are being constructed using two Herrenknecht Earth Balance (EPB) TBMs. The Inbound tunnel recently successfully completed its drive, breaking through in February 2023. The Outbound tunnel breakthrough is expected imminently, in Q2 2023

Building around existing tunnels seminar
2023-04-27 08:30 - 17:00 (Australia/Sydney) | Clifton Event Solutions, Level 13, 60 Margaret Street, Sydney, NSW, 2000, Australia
Join the Australian Tunnelling Society (ATS) and Australian Geomechanics Society (AGS) for a one-day seminar on the impacts that building construction has on tunnels.
There is an increasing demand for the assessment of the potential impact of new building construction, including new tunnels, on existing tunnels and other underground infrastructure.
There are limited resources both on the approvals side and for developers to carry out these assessments and particularly in a timely manner.
The purpose of this seminar is for presentations, papers and a panel discussion to provide useful information for the broad range of participants involved. Particularly referring standards and guidelines including applicability of structural and geotechnical assessment criteria.
The tunnels involved could be road, rail, sewer or water supply. Topics could also include-analysis case studies, monitoring methods and data, dilapidation surveys, the approval process, predictions of impacts verses actual impacts and any economic, property or legal issues.
Morning tea, lunch and afternoon tea will be provided.
Program
8:30 Arrival and registration
9:00 Welcome and Introduction – Ted Nye
9:10 Design of the CRR station caverns for future over site development – Strath Clarke
9:35 Preliminary impact assessment for new building development applications over existing tunnels – Don Cooper & Adrian Chau
10:00 Deep excavation in Sydney Sandstone adjacent to planned metro tunnels – Paul Hewitt
10:25 Questions
10:35 Morning Tea
10:55 City Shaping Infrastructure Projects: The Sydney Metro Corridor Protection Development Review Process – Owen Davies
11:20 Development Near Underground Rail Corridors – Engineering Assessment with Case Studies – Jiping Pan
11:45 Technical assessment of new developments impact on historical and recent tunnels in Melbourne – Lesley Yang
12:10 Containment system for deep excavations with adjoining tunnels – video presentation – Marco Perez
12:35 Questions
12:45 Lunch
13:30 A case study – Tunnelling adjacent to a major water transfer tunnel – Mark Sheffield
13:55 Modelling potential impact on critical and heritage buried infrastructure from adjacent development – A. Sarathchandran
14:20 Basement Excavation Analysis – Potential impact on the North Georges River Sewer (NGRS) – Ted Nye
14:45 Questions
14:55 Afternoon Tea
15:15 Assessment of the impact of a new building development on the future Rozelle Interchange Tunnels in Sydney – Sabrina Kost
15:40 Feasibility study on the effect of a building development near tunnels at Sydney CBD – M. Khoshini
16:05 Barangaroo South – International Tower 3 – Protecting a Future Rail Corridor – Ted Nye
16:30 Questions
16:40 Close
Click here for registration and costs
Click here to view the program

North East Link Program tunnel design overview
2023-05-02 17:30 - 21:30 (Australia/Sydney) | Level 15/385 Bourke Street, Melbourne
Overview
This presentation provides an overview of the tunnel design for the iconic North East Link Program. This is the largest tunnel project Melbourne has ever seen.
North East Link (NEL) is the largest investment in a road project in Victoria’s history. It is the missing link in Melbourne’s orbital freeway between an upgraded Eastern Freeway and the M80 Ring Road. The project consists of approximately 5 km twin TBM tunnels, each with a 14.1 m internal diameter, two SEM mined tunnels and two cut-and-cover structures at Watsonia and Manningham. Delve Underground is the main tunnel design consultant contracted to deliver this project by SPARK consortium consists of WeBuild, GS Engineering and Construction, CPB Contractors, China Construction Oceania, Ventia, Capella Capital, John Laing Investments, DIF and Pacific Partnerships.
The presentation will focus on the key design challenges and solutions for various design aspects including TBM temporary structures, large-diameter TBM tunnel segments, and Sequential Excavation Method (SEM) tunnel lining. The project adopts advanced Digital Engineering to centralise design information and facilitate asset management.
Attendees will also be provided a unique insight into the design considerations, key design challenges and solutions for various design aspects. The presentation will also provide an overview for the advanced Digital Engineering works carried out for the project. It is intended to be a knowledge sharing session to those who works in the tunnelling industry, including tunnel designers, contractors, project managers, and asset owners.
The presentation will showcase the complex 3D digital parametric models created for the project are showcased.
This event is programmed by ATS Young Members with the sponsorship by DELVE Underground.
Event program

5.30 – 6.00 pm networking
6.00 – 7.00 pm presentation followed by Q&A

About the presenters
Renee Shi
Associate engineer
Renee Shi is a Senior Project Engineer at Delve Underground with over eight years of experience in design of underground structures and tunnels. She has worked on a number of local and international major infracture projects. Renee is the Design Package Lead for TBM tunnel lining on the North East Link Programe.
Jacob Liu
Project structural engineer
Jacob Liu is a project structural engineer hailing from Delve Underground’s Auckland office. He has 7 years of industry experience and has worked on a wide range of structures including large-scale infrastructure, underground structures, bridges, and residential buildings. His expertise comprises 2D and 3D FEA numerical modelling; the development and review of design calculations, drawings, and specifications; and the provision of construction phase services.
Denis Tepavac
Associate – Tunnels, Delve Underground
Denis is an Associate engineer at Delve Underground with 13 years of experience in tunnelling on a wide range of transportation, water and wastewater projects, both in Australia and internationally. He has diverse design experience in metro rail, road tunnel and large-scale underground structures. Denis is the project-wide Design Discipline Lead for SEM scope and permanent tunnel linings on the North East Link Program.
Elnaz Saminfar
Design Technology Specialist IV, Delve Underground
Elnaz is a Design Technology Specialist IV at Delve Underground. She is an experienced computational designer with a structural engineering background in infrastructure and building projects. The ability to use a wide range of modelling software gives her unique flexibility in automating the process of creating complex 3D digital parametric models that can be modified and updated as required. She is the modelling lead for most of the packages on the North East Link project.

Ground Challenges in Melbourne's Metro Tunnel Project
2023-05-16 17:30 - 20:00 (Australia/Sydney) | Hybrid – in person and online at ARUP Melbourne, 699 Collins Street, Docklands, Victoria, 3008
Overview
Please join us for the first in the new season of ICE technical presentations at Arup’s office in Melbourne and online. This fascinating talk, presented in collaboration between the ICE and the Australian Tunnel Society (ATS), will explore the ground challenges on the Metro Tunnel Project. The event will also be live streamed, which provides a great opportunity for ATS members beyond Victoria to attend, or for locals who cannot make it along in person.
Melbourne’s Metro Tunnel Project is the first major metropolitan rail infrastructure project in over four decades. The project consists of 9-km twin rail tunnels and 5 new stations connecting South Kensington and South Yarra underneath Melbourne’s Central Business District (CBD). This event will be presented by Ruby Chan of Bouygues Construction Australia and Elena Gavazzi of Arup.
The project has faced many challenges due to its complexity across various aspects such as engineering, architecture, and construction. This technical talk focuses initially on the ground challenges faced during design and construction of the Cross Passages and Caverns and specifically, how we, as engineers, have tackled those challenges and positively contributed to the timely delivery the Project. The final part of the evening gives an overview of the methodology used in the design of the permanent lining for the 30m wide station caverns which are in construction under the hustle and bustle of the Melbourne CBD.
Schedule
The running order of the event will be:

17.30 – 18.00 registration and networking
18.00 – 19.00 Presentation and questions
19.00 – 20.00 Networking/close

Speakers
Chan Sin Ping, Ruby | Geotechnical Manager | Bouygues Construction Australia
Ruby is a geotechnical manager of Bouygues Construction Australia, a chartered Engineer, a chartered Geologist and a Member of the Institution of Civil Engineers, starting from Hong Kong and now in Australia with approx. 15 years’ experience in infrastructure construction industry, focusing on tunnelling and foundations.
Ruby is the former Geotechnical Manager (East & West Precincts) of CYP at Melbourne’s Metro Tunnel Project responsible for ground risks identification and management. She managed technical aspects of cross passages ground improvement works from surface and in tunnels which are critical for safe tunnelling and timely delivery of the project.
Elena Gavazzi | Associate Principal | Arup
Elena is an Associate Principal and Group Leader within the Arup Victorian practice as well as leading the Arup tunnelling team in this region. Elena is a Chartered Civil Engineer with 15 years professional experience in the Australian and UK engineering and construction industries. Throughout her career Elena has worked on several high-profile tunnelling projects including Melbourne’s Metro Tunnel project, High Speed 2 and Crossrail, covering roles from Design Lead to Delivery Director.
Elena has extensive experience in project delivery; during her career Elena has developed excellent technical and engineering knowledge, including critical interface and integration requirements for multi-disciplinary projects. Elena is a passionate leader and able to motivate team members to achieve key goals and objectives.

Tunnelling Risk Management on the Forrestfield Airport Link Project (FAL), Perth
2023-05-18 05:30 - 20:00 (Australia/Perth) | Hybrid – online and in person at Little Shoe, 1st Floor, Yagan Square, Perth
Overview
The Australian Tunnelling Society and Institution of Civil Engineers invite you to an evening of knowledge sharing, Q&A, and networking.
Synopsis
The talk will briefly describe the successful soft ground tunnelling project and lessons learnt, including strategies used to manage geotechnical risk, ground conditions, TBM tunnelling and cross passage construction.
Some of the more notable incidents during tunnelling will be described including a major flooding and ground loss incident at a cross passage-tunnel connection requiring remediation and repair of 25m of damaged tunnel by hydro demolition and SGI lining, TBM screw failures underground and severe clogging in tertiary siltstone/sandstone materials. Slurry circuit challenges, ground movement and infrastructure protection including tunneling under Perth Airport runways, taxiways, aprons and jet fuel lines will also be described.
The $1.86 billion Forrestfield-Airport Link was jointly funded by the Australian and Western Australian governments. The project was delivered by lead contractor Salini Impregilo-NRW Joint Venture on behalf of the Public Transport Authority of Western Australia.
Timeline
5.30pm – 6.00pm: Networking and refreshments
6.00pm – 7.00pm: Presentation
7.00pm – 8.00pm Networking and refreshments
Details
Hybrid webinar and in person event
Speaker
Eric Hudson-Smith, BE (Hons), ME, Geotechnical and Tunnelling Manager, PTA

Eric Hudson-Smith has a Master’s degree in engineering and over 40 years’ experience on a wide range of projects in Australia, New Zealand, Indonesia, Singapore, Mongolia and Iran. He has worked on soft ground tunnelling projects for both Owners and Contractors at various stages of feasibility, tender document reparation, tendering, design, construction, claims, litigations and operating tunnel maintenance (investigation and repair of damaged tunnels and underground structures) in Singapore, New Zealand and Australia. Projects have included bored and cut and cover tunnels, microtunnels, pipe jacks and HDD projects, cross passages and deep shafts for road, rail, sewerage, materials handling, power and water supply schemes. He was Chair of the WA Chapter and Deputy National Chair, Australian Tunnelling Society, 2004-2015 and has been an active committee member since.
Huge thanks to Austunnel for sponsoring this event.

The use of fibre optics to improve tunnel support design
2023-05-24 17:30 - 19:30 (Australia/Sydney) | EA Sydney Office, Mezzanine Level, 44 Market Street, Sydney, New South Wales, 2000, Australia
Optimisation of tunnel ground support through observational approaches necessitates a comprehensive monitoring programme to verify design assumptions regarding the performance of ground support systems. However the interaction of ground support and the surrounding rock mass is difficult to measure accurately, with current methods focusing on individual locations or devices to represent a ground behaviour.
This presentation summarises a strategy to determine the continuous performance of ground support elements as part of the overall support system in conjunction with assessment of ground behaviour and its response to construction. Central to this is the application of a distributed optical strain sensing technology in combination with ground support elements.
Use of this technology allows optimisation of ground support configuration, improved ground characterisation, improved safety, reduced time and costs and the development and validation of numerical tools for design engineers. Four case studies, including Northconnex using this technology are described.
Learning outcomes for this event include:
A distributed optical strain-sensing technique is presented as a solution for measuring the strain distribution along ground support members used in underground works.
The development of this technique that captures in-situ support behaviour in terms of coaxial, lateral, and shear loading arrangements will be summarised.
Design engineers can use the data to evaluate the performance of the prescribed tunnel support.
Event Program
5:30pm – Registration and networking
6:00pm – Presentation commences
6:40pm – Q&A
7:00pm – Discussion and drinks
7:30pm – Event close
*Times listed are AEDT

The event is sponsored by GEODATA KODA Australia !
About the presenter
Dr. Nicholas Vlachopoulos (PhD, CD, PEng, PEGr, FEIC, FEC)

• Professor of Civil Engineering at the Royal Military College of Canada, Cross-Appointed at Queen’s University
• Director at the Queen’s-RMC GeoEngineeirng Center
• Founder and Director of the RMC Green Team
Dr. Nicholas Vlachopoulos specialises in the optimization of support systems of underground works, rock mechanics, and geotechnical monitoring. He is a professional engineer with over 25 years of experience in geotechnical / geological engineering, sustainability works and project management on major construction and research projects. He has worked at well over 150 locations nationally and internationally. In 2023, he was inducted as a Fellow within the Engineering Institute of Canada (FEIC) for “Excellence in Engineering and services to the profession and to society”. More relevant information about the speaker can be seen by visiting the website here: https://nicholasvlachopoulos.ca/index.html

ATS VIC - Discrete fracture network approach for underground support design optimisation
2023-05-25 17:30 - 19:00 (Australia/Sydney) | 230 Kwong Lee Dow Building, 234 Queensberry Street, Carlton, VIC, 3053, Australia
Ground support design for underground rock engineering projects often adopts empirical methods, which were mostly developed in 1960s and 1970s. While these methods have provided a useful tool to aid design, they have typically been based on a limited database of project experience and so their results need to be interpreted in the context of local experience and engineering judgement.
Discrete Fracture Network (DFN) model allows inclusion of site-specific discontinuities data to be stochastically quantified and explicitly adopted as design input. Combined with 3D Distinct Element Method, this approach offers a more quantifiable, verifiable, and reproduceable method to assess rock mass quality & behaviour in underground excavation projects.
This presentation demonstrates benefits gained from this integrated approach in ground support design for large span rock caverns using a case study. The use of DFN and explicit modelling has allowed ground support to be optimised based on site-specific and more realistic anticipated ground conditions.
Ivan is the David Sugden Award winner for 2022 and will present his award-winning paper in person entitled: Discrete Fracture Network Approach in Ground Support Design Optimisation for Large Span Cavern in Jointed Rock Mass.You can read Ivan’s winning paper here.
The David Sugden Award was initiated by the ATS in 2004 to encourage young engineers to develop the art of technical writing. The competition is open to all ATS members and university students under 35 years of age.
Event program

5:30-6.00pm: Networking
6-6.50pm: Presentation
6:50-7.00pm:Q&A and closing comments

About the speaker

Ivan Haryono, MIEAust CPEng NER
Senior Associate Geotechnical Engineer
Ivan Haryono is Chartered and Registered Professional Geotechnical Engineer with over 12 years of experience on large scale tunnelling and deep excavation projects in Hong Kong, Canada, Australia, Singapore and the Netherlands in different project stages; from tender and detailed design, construction phase services, forensic analysis and claims, and independent review. He has worked on various Drill and Blast tunnels, TBM tunnels, deep shafts in both soft ground and rocks; for metro railway & stations, highways, wastewater treatment plants, and mines. He is experienced in advanced numerical analysis for soil or rock mechanics and ground-structure interaction problems, including finite element, finite difference, and distinct element methods, and discrete fracture network modelling.

ATS NSW - Discrete fracture network approach for underground support design optimisation
2023-06-08 17:30 - 19:30 (Australia/Sydney) | Engineers Australia, Sydney office, Mezzanine Floor, 44 Market Street, Sydney, NSW, 2000, Australia
Ground support design for underground rock engineering projects often adopts empirical methods, which were mostly developed in 1960s and 1970s. While these methods have provided a useful tool to aid design, they have typically been based on a limited database of project experience and so their results need to be interpreted in the context of local experience and engineering judgement. Discrete Fracture Network (DFN) model allows inclusion of site-specific discontinuities data to be stochastically quantified and explicitly adopted as design input. Combined with 3D Distinct Element Method, this approach offers a more quantifiable, verifiable and reproduceable method to assess rock mass quality & behaviour in underground excavation projects.
This presentation demonstrates benefits gained from this integrated approach in ground support design for large span rock caverns using a case study. The use of DFN and explicit modelling has allowed ground support to be optimised based on site-specific and more realistic anticipated ground conditions. Ivan is the David Sugden Award winner for 2022 and will present his award-winning paper in person entitled: Discrete Fracture Network Approach in Ground Support Design Optimisation for Large Span Cavern in Jointed Rock Mass. The David Sugden Award was initiated by the ATS in 2004 to encourage young engineers to develop the art of technical writing. The competition is open to all ATS members and university students under 35 years of age.
Learning Outcomes
Ivan is the David Sugden Award winner for 2022. He will present his award-winning paper in person. This presentation, so-called’ David Sugden Award Road Show’ is one of the annual events organised by ATS. Key takeaways will include:

interpretation of discontinuities in rock mass using DFN application of the advanced analytical method to understand rock mass behaviour
actual large cavern design case.

Event Program

5.30pm: Welcome and light refreshments
6.00pm: Presentation commencement
7.00pm: Networking and drinks
7.30pm: Event concludes

Ticket Inclusions

Light refreshments
Canapes
Non-alcoholic beverages
Alcoholic beverages

About the speaker

Ivan Haryono, MIEAust CPEng NER
Senior Associate Geotechnical Engineer, WSP
Ivan Haryono is Chartered and Registered Professional Geotechnical Engineer with over 12 years of experience on large scale tunnelling and deep excavation projects in Hong Kong, Canada, Australia, Singapore, and the Netherlands in different project stages; from tender & detailed design, construction phase services, forensic analysis and claims, and independent review. He has worked on various Drill & Blast tunnels, TBM tunnels, deep shafts in both soft ground and rocks; for metro railway & stations, highways, wastewater treatment plants, and mines. He is experienced in advanced numerical analysis for soil or rock mechanics and ground-structure interaction problems, including finite element, finite difference, & distinct element methods, and discrete fracture network modelling.

Getting the most out of the International Tunnelling Association
2023-06-15 17:30 - 19:30 (Australia/Sydney) | Various venues in Melbourne, Brisbane, Perth and Sydney
From current President Arnold Dix to the Working Groups that produce guidance to the industry, Australian engineers are helping shape global tunnelling through their involvement in the International Tunnelling Association. Find out what they’ve been doing, what it means for you, and how you can get involved in this one-hour presentation.
Arnold will provide an overview of the ITA’s purpose and structure and an update from the most recent World Tunnel Congress, followed by short updates from some of our Working Group leaders and contributors.
In this hybrid event – that will be live in Melbourne, Brisbane, Perth and Sydney, there will be working group representatives in each location to help answer questions – whether just to understand what’s going on or to explore the possibility of getting involved yourself.
Event program in person (Melbourne, Brisbane, Perth, and Sydney)
• 5.30pm: Registrations
• 6.00pm: Event welcome
• 6.05pm: Speaker presentation
• 6.40pm: Audience Q&A
• 7.00pm: Networking
• 7.30pm: Event concludes
Event program online
• 6.00pm: Event welcome
• 6.05pm: Speaker presentation
• 6.40pm: Audience Q&A
• 7.00pm: Event concludes
Ticket inclusions in person (Melbourne, Brisbane, Perth, and Sydney)
• Light refreshments
Venues
• Melbourne: Leadership Hub Upper, Engineers Australia, Level 31, 600 Bourke St
• Brisbane: Engineers Australia, Level 9, 340 Adelaide Street.
• Perth: Little Shoe, 1st Floor, Yagan Square, Perth
• Sydney: AECOM, Level 21, 420 George Street

Speaker

Arnold Dix, President, International Tunnelling and Underground Space Association

Biography
Professor Arnold Dix is a lawyer and scientist (geologist) specialising in the underground. He is an Underground Disaster investigator. He is an internationally recognised subject matter expert in fire and life safety and collapses of the underground, holding a distinguished service award from the United States for his contribution to the fire and life safety of road and rail tunnels (NFPA130 and NFPA502).

He is a member of the British Institute of Investigators. Arnold has served on the committees and working groups of the ITA, FIDIC, PIARC and NFPA for decades. He is active on all continents, a member of the specialist Underground Works Chambers, a member of the Victorian Bar and is a visiting Professor of Engineering (tunnels) Tokyo City University.

Arnold Dix loves tunnels and the underground space. He is convinced that the underground offers a range of adaptive and resilient solutions to most of the perils facing humanity today. Combining his formal qualifications in Science, Law and Engineering he advocates for all things underground in UN SDG and ESG contexts with a smile on his face and an eye to all matters ethical. He is a disaster and fire life safety subject matter expert as well as having special law, insurance and finance interests. He happens to be the president of ITA too.

Occupational health in tunnelling - ITA Lecture Series
2023-07-11 13:00 - 14:30 (Europe/Paris) | Online
The episode will feature one lecture and finish with a Q&A session with all speakers.
Occupational Health and Welfare in Tunnelling – Donald Lamont & Eric Ball.
The Lunchtime lecture series remains free and open to all.
For all those that cannot join ‘live’, please register and you will receive a link to view the episode after the event – this link will be valid for 24 hours.
If you have any questions, please don’t hesitate to reach out to the ITACET secretariat: secretariat@itacet.org

Careers in tunnelling - A young engineer's perspective
2023-07-20 18:00 - 19:30 (Australia/Sydney) | Hybrid – webinar and in-person, Mezzanine Floor, 44 Market Street, Sydney, nsw, 2000, Australia
The ATS invites all members, non-members and students to join us for an engaging panel discussion on the first-hand experiences of 4 young tunnelling professionals, giving their insights and lessons learned on what it’s like to work in Australia’s tunnelling industry.
You will have the opportunity to hear from and gain valuable guidance on career paths, industry trends and the challenges faced by young tunnelling professionals from various sectors in the tunnelling industry, including consultants, contractors and suppliers.
Don’t miss this opportunity to gather wisdom from diverse perspectives and discover the exciting possibilities that await you in the world of tunnelling.
This event will be held in person in Sydney and online. Registrations are essential. Sign up NOW!
Speakers

Many thanks to event sponsors:

Tunnel Fire Safety - short course
2023-08-03 | eVENT Space, 4/35 Limestone St, Darra, Queensland, 4076, Australia
A one-day course by Dr Ricky Carvel from the University of Edinburgh
COURSE FULL – REGISTRATIONS CLOSED
Summary:
World renowned fire science researcher and educator, Dr Ricky Carvel will present a one-day course intended as a primer for engineers or fire professionals entering, or wanting more erudite exposure to, the field of tunnel fire safety.
It covers basic fire concepts for non-fire people and basic tunnel concepts for non-tunnel people, and then puts these together to explain how fires behave in the tunnel environment. Real tunnel fire behaviour is explored through case studies, and topics such as fire suppression, fire fighting, egress and rescue.
The course will enable staff members of tunnel owners, operators and responders to better understand the design, operational and emergency response issues around fire-safe tunnels and systems and encourage designers and contractors to think more deeply than the standard answers.
Course syllabus:
Carvel Tunnel Fires Australia 2023
The presenter:

Ricky graduated in 1992 as a chemist and physicist, with work in fire and explosion research in a private fire consultancy before completing a PhD in civil engineering in 2004 at Heriot-Watt University. Ricky’s research then continued at the University of Edinburgh, and in 2013 morphed into lecturing on combustion and fire dynamics.
His work led him to co-edit the Handbook of Tunnel Fire Safety with Alan Beard (2005). For the second edition in 2011, Ricky authored 5 chapters.
With a 28-year career researching and teaching about fire behaviour, and with a particular focus on tunnels, Ricky is uniquely qualified to deliver this course.
Timings:
Course: 10 am to 5 pm
Course dinner (venue TBC): 6 pm – late
Cost:

Course and dinner (includes teas/coffees, lunch and course dinner): AU$810
Plus a copy of the Handbook of Tunnel Fire Safety: AU$1,040

Payment: by invoice after registration.
Location:
eVENT Space, 4/35 Limestone St, Darra, Queensland, 4076.
On-street parking is available. eVENT Space is a 10 to 15 minute walk from Darra train station, which has direct services from the city and indirect services from Brisbane airport, with transfer at one city station. Pickup and drop-off at the station can also be arranged.
With the interactive nature of such a day-long course, and the benefit of interactions with the presenter and attendees over tea breaks, lunch and dinner, it will be delivered as a face-to-face course only, with no online option.
The course is supported by the Australian Tunnelling Society and by the Society of Fire Safety. It is sponsored by Stacey Agnew through their eVENT Space.
To register your interest to attend, confirm dietary requirements, or make other enquiries, email event@staceyagnew.com

Geomechanics of pressure tunnels and shafts - a critical review of existing knowledge
2023-08-03 17:30 - 19:00 (Australia/Melbourne) | SMEC, Tower 4, 727 Collins St, Melbourne, Victoria, 3008, Australia
Overview
Hydropower and pumped storage projects are becoming increasingly appealing as environmentally friendly energy sources and large-scale energy storage solutions.
Pressure tunnels/shafts are among the primary components of such projects. Although the design of these pressure tunnels and shafts has been well-established for decades, during the peak of hydropower project development, particularly prior to the 90s, the transfer of knowledge has been adequately made only in developed countries that went through a period of reduced activity in hydropower and pumped hydro projects.
The design of the lining of pressure tunnels and shafts is a challenging engineering endeavour which deals with the complex coupled hydraulic-mechanical interaction between the lining and the surrounding rock mass. The lining of pressure waterways should be designed to limit head losses within the conduit to acceptable limits; control excessive leakage and risk of rock hydraulic fracturing/jacking; and ensure long-term structural capacity and serviceability during filling-up, operation and dewatering stages.
This presentation will offer a brief overview of the key design factors that need to be taken into account for pressure tunnels, including the risk of hydraulic fracturing, hydraulic jacking, and landslides or slope instabilities due to excessive seepage.
Furthermore, we will delve into the historical development, limitations, misconceptions, and gaps in the commonly employed methods used to evaluate the concrete lining’s resistance to cracking in pressure tunnel and shaft designs. Finally, we will explore the significance of filling and dewatering strategies for pressure tunnels and their impact on tunnel behaviour.
In this presentation you will learn:

lessons learned for the design of underground structures embodied in hydropower projects
key design factors for pressured tunnels
risk identification relating to hydraulic fracturing, hydraulic jacking, and slope instabilities associated with excessive water pressure.

Program – in person

5:30 PM – 6:00 PM: Networking – light refreshments will be served.
6:00 PM – 6:05 PM: Introduction of the speaker and the topic
6:05 PM – 6:50 PM: Presentation
6:50 PM – 7:00 PM: Q&As

Program – online (Teams link)

6:00 PM – 6:05 PM: Introduction of the speaker and the topic
6:05 PM – 6:50 PM: Presentation
6:50 PM – 7:00 PM: Q&As

Presenter
Mahdi Zoorabadi, Technical Principal

Mahdi Zoorabadi (BSc, MSc, PhD) has 22 years of experience in consultancy and research in a broad range of tunnelling and rock engineering fields. Mahdi has been involved in site investigations and design of tunnelling, underground structure, dams and hydropower projects in Australia and overseas. He has extensive experience in preliminary and secondary ground support design for underground structures through empirical and numerical modelling techniques, optioning and design of pressure tunnels, field rock testing, rock stress measurement, groundwater studies, monitoring, and instrumentation. He won David Sudgen Award (2013) from the Australian Tunnelling Society. Mahdi is actively involved in research activities through collaboration as Adjunct Associate Professor with UNSW Sydney, supervising PhD and Master students. Mahdi is currently serving as the Deputy-Chair of ATS VIC Chapter.

ATS QLD - Discrete fracture network approach for underground support design optimisation
2023-08-24 17:30 - 19:30 (Australia/Brisbane) | Engineers Australia QLD, Level 9, 340 Adelaide St, Brisbane, QLD, 4000, Australia

Mt Coot-tha Quarry Site Visit - Register Now!
2023-08-31 | Mt Coot-tha Quarry site visit, Brisbane, QLD
REGISTER NOW – Limited Places
Following the success of the Mt Coot-tha Quarry site visit in 2020, ATS Queensland is again excited to invite members to Quarry Day 2023 on 31 August 2023 proudly supported and sponsored by our prime sponsor DESOI.
The day is aimed at graduate and early career professionals and will cover a range of equipment and technical demonstrations. These will feature:
Rock fissure and crack injection – DESOI
Shotcrete pumping and application – JEMNA
Lithium battery exposed to high temperature – STACEY AGNEW
Use of drones in a construction setting – UNIVERSITY OF QUEENSLAND
Rock drilling – OPTIONX
Rock drilling – VERMEER
MASTER BUILDERS SOLUTIONS + BLUEY TECHNOLOGIES ANZ
Products – BluCem HS200 RMX, BluCem HS200, MasterSeal 345
BluCem HS200 RMX, is a ready mix product which arrives pre-mixed in concrete agitators on site to form an ultra-flow cementitious grout. BluCem RMX HS200 is a pumpable, high strength product suitable for civil engineering applications. BluCem RMX HS200 incorporates advanced additives to form a cementitious grout which is free of alluminate and metallic expansion agents or methocel based additives providing a product suitable for 100 year design life applications.
BluCem HS200, is a one component powder product which requires only the addition of water to form an ultra flow cementitious grout. BluCem HS200 is a pumpable, high strength product suitable for civil engineering applications. BluCem HS200 incorporates advanced additives to form a cementitious grout which is free of alluminate and metallic expansion agents or methocel based additives providing a product suitable for 100 year design life applications.
A coffee van in the morning available in the quarry (kindly supported by the exhibitors).
Note: All delegates will be required to wear long pants, closed toe safety boots and a long sleeve shirt. Reasonable fitness and mobility is required as the tour involves walking through a working quarry.

Schedule
The day will be split into two parts:
Session 1 – Commence 0800 Induction.
In the quarry with a chance to meet the supplier and see hands on demonstrations;
Lunch – Mt Coo-tha Cafe; and
Session 2 – Presentations from the demonstrators and suppliers covering the morning’s activities with the opportunity for Q&A.
Finish 1530
Note that demonstrations and presentations are subject to change on the day.

Prime Sponsor

IS YOUR PARTNER FOR INJECTION TECHNOLOGY

ATS VIC - North East Link Tunnel Project Industry Updates by Paul, Ken and Hayley
2023-09-06 17:00 - 18:30 (Australia/Melbourne) | Sky Park, One Melbourne Quarter, 699 Collins Street, Docklands, VIC, 3008, Australia
Type: hybrid event

Online link – Webinar Link
Venue – Sky Park, One Melbourne Quarter, 699 Collins Street, Docklands, VIC, 3008, Australia.

Time and date:

6th September 2023, Wednesday
5:00 PM – 5:30 PM: Networking over refreshments
5:30 PM – 6:20 PM: Presentation
6:20 PM – 6:30 PM: Q&As and Closing Comments

Outline
The North East Link (NEL) is the largest road project in Victoria, Australia, and represents the ‘missing link’ in Melbourne’s transport network. The project aims to connect the M80 with the Eastern Freeway linking key growth areas in the north and south-east of Melbourne metropolitan. This massive program of works is carefully planned with the primary and secondary packages in an engineered timeframe so the whole project can open in 2028. The North East Link Primary Package is the largest component of the NEL project, Victoria’s biggest road project, and Australia’s largest Public Private Partnership (PPP). The Primary Package includes 15.1 m wide three-lane twin TBM tunnels, four-lane SEM twin tunnels with 260 m2 in cross-section area, and cut and cover tunnels connecting to split interchanges. North East Link Program (NELP) awarded this package to the Spark consortium comprising WeBuild, GS E&C, CPB, and CCO, in June 2021.
Now two years after the contract award, the team has made significant advances in constructing this urban reshaping project. Paul Thomas, Ken Muir and Hayley Bester will provide an update on the progress of the works and the vast underground spaces already created to replace one of the most congested roads in Melbourne metropolitan.
Speakers

Paul Thomas
Paul Thomas is the Construction Director for NELP’s North East Link Primary Package. Paul is a Chartered Engineer and Chartered Professional Manager with more than 30 years of experience in the Civil Engineering industry, with more than 25 years spent in the tunneling and underground construction discipline, primarily in the design and construction of mass transit, hydro-power, and deep sewer projects, in Hong Kong, Singapore, India, and Australia.
Paul has extensive experience in TBM tunnels, drill and blast tunnels, diaphragm walls, deep piling, and design/construction of major underground structures and design development/planning and delivery of major underground infrastructure.
Paul is NELP’s lead in the project’s Engineering and Construction Delivery aspects, working closely with Spark JV and Project Co.
Ken Muir
Ken Muir is the Technical Director for North East Link Project Co (Project Co), having over 30 years of experience in mining and heavy underground civil work in both developed and developing countries. His specialties include Subterranean excavation and lining of shafts, tunnels, and caverns, Drill and Blast with mechanised or hand-held equipment, TBMs (Slurry, EPB, and Gripper), Road header, Shaft sinking using explosive and non-explosive techniques, and pipejacking.
Ken is NEL Project Co’s lead in the project’s Engineering and Construction Delivery aspects, working closely with NELP and Spark JV.
Hayley Bester
Hayley is a communications and engagement professional with almost 15 years experience working across State and Federal Governments and private industry on a wide rage of communications and media strategies. She currently leads the Communications and Community Engagement team for the major infrastructure project – the North East Link Tunnels. Hayley’s team support construction by working with the community for tunnelling to commence in 2024. During the time Hayley has been with Spark, the team has developed a range of tools and incentives to ensure they are working alongside the construction team to get the job done. Prior to Spark, Hayley worked within the Victorian Premier’s office for seven years. During this time she was responsible for communications and media in the infrastructure space.
These experiences have given her extensive experience working with highly influential stakeholders in the business and community sectors, as well as working within government at the most senior level – liaising with politicians, industry and advisers from all political backgrounds.
Sponsor
ATS acknowledge the sponsorship provided by ARUP

Inclusion, Everybody Matters
2023-09-07 17:30 - 19:00 (Australia/Sydney) | Hybrid – webinar and in person at AECOM’s office in Sydney, Level 21 420 George Street, Sydney, NSW, 2000, Australia
Join the Diversity in Tunnelling Sub Group for our National event “Inclusion, everybody matters’. An enlightening event where members of our community with differing abilities share their personal experiences and perspectives from working within the Australian civil engineering industry.
This hybrid gathering will explore the transformative power of engagement and inclusion, with a focus on how diverse talents can drive positive change in our profession and society and how we can all support each other more inclusively. The session will delve into the challenges and triumphs faced by our speakers, and discover practical strategies for fostering an inclusive environment. As we celebrate resilience and diverse voices, we are also excited to potentially welcome a guest speaker. Don’t miss this opportunity to engage with a diverse community and learn how we can all make a difference in the engineering industry and beyond.

Learning outcomes
In this presentation you will learn:

About inclusion and diversity in our industry.
Celebration of diversity and areas where inclusion can be improved including: Personal experiences of engineers with disabilities.
Importance of an inclusive environment for innovation and resilience.
Positive impacts of diversity in the industry.
Strategies for overcoming barriers to inclusion.

Event program
In-person:

5:30pm AEST: Registration open
6:00pm AEST: Presentation commences and Q&A session
7:00pm AEST: Presentation concludes and further networking
7:30pmAEST: Event concludes

Online:

6:00pm AEST: Presentation commences and Q&A session
7:00pm AEST: Presentation concludes

About the speakers

Janice Lovelock MIEAust CPEng
Senior Engineer at AECOM
Janice is a Senior Engineer at AECOM. She is passionate about the engineering profession and privileged to have been involved in many major roads and rail projects in NSW. She enables clients to manage their risk through expertise knowledge and skills, and works to manage multidisciplinary projects in an efficient and profitable manner. Janice enjoys coordinating project teams, finding solutions for complex technical problems and thrives on using my experience to inspire young people into what she has found to be a very rewarding career. Janice has a keen interest in engineering from a technical perspective, but an even keener interest in the social benefits engineers can bring to our communities – very much driven by my new perspective as a wheelchair user after sustaining a permanent spinal cord injury in 2019. Being an engineer, a mother, and a wheelchair user, Janice finds these separate aspects of herself make for an individual and unique experience of the world. She believes we have an obligation to consider the experience of diverse members of our community to create better outcomes for all.

Craig Wright
Civil & Industrial Sales at BarChip Australia Pty, Ltd
Craig is a seasoned professional currently serving as the Civil Manager for sales and business development at Barchip Aust, overseeing operations in Australia and the Pacific Region for over 16 years. During this time, he successfully introduced the company to the tunnelling community, establishing partnerships and supplying materials for various domestic tunnel projects. In addition to his impressive career, Craig is actively involved in promoting diversity and inclusion as a member of the Diversity in Tunnelling subcommittee, and he is holding elected positions on both the Concrete Institute of Australia’s Queensland committee since 2017 and the Queensland chapter of the Australian Tunnelling Society since 2022. Despite facing the challenges of Retinitis Pigmentosa, which led to visual impairment, Craig is determined, resilient, and dedicated to making a positive impact in his field and encouraging acceptance among his peers.

Dr. Jason Le Masurier
Civil Engineer
Jason is a chartered Civil Engineer who assists businesses and organisations increase their resilience using his TIC TOC CLOC process to manage uncertainty, maximize opportunity and minimize risk in this uncertain world. He began his geotechnical career with Hyder Consulting in 1990 and early on gained experience in the design of tunnels. In 1997 he embarked on his PhD at the University of Bristol collaborating with 12 industrial partners to develop process models to support the Observational Method in geotechnical engineering, including a yearlong Technology Transfer Secondment to Arup where he worked as part of a design-build team on a complex deep basement construction in London, employing the Observational Method to make continuous improvements to the design and construction sequence.
In 2007 he suffered a devastating brain injury in a kite surfing accident and spent the next two years in hospital rehabilitation. His son was born in the same hospital that year. He recovered from paralysis and being told he’d never walk again to completing a triathlon 7 years after the accident. He will talk about the mindset of seeing a crisis as an opportunity / catalyst- based on the concept of post-traumatic growth (TIC). He links this with his PhD on the Observational Method allowing the uncertainty created by a crisis to be managed – taking opportunities consciously (TOC) , to avoid the default outcome of becoming the victim of a crisis by using contingencies to let opportunities commence (CLOC).

WEBINAR - Lessons learned from design and construction of Nant-de-Drance Powerhouse
2023-09-27 18:00 - 19:00 (Australia/Sydney) | Webinar – Online only
WEBINAR Registration Link
Date: 27 September 2023
Time: 6:00 pm — 7.00 pm AEST
Location: Online only
Overview
The Nant-de-Drance pumped hydropower scheme (900 MW), awarded “International Major Tunneling Project of the Year” ITA-NCE prize in 2014, connects the two existing artificial reservoirs at Emosson and Vieux Emosson in Switzerland.
Except for raising the upper dam, all works were undertaken underground. They include 16 km of tunnels, two vertical shafts of height 440m and 6 large caverns. The exceptional size of the powerhouse cavern (194m x 32m x 52m), located at 600m depth in a metamorphic rock formation of sedimentary origin, required the definition of an appropriate excavation, support and lining concept.
An advanced rock behaviour model, based on an important investigation campaign, 3D finite element modeling, and analysis of unstable blocks allowed the optimization of the support and the lining.
Monitoring during construction and back-analysis allowed the successive reduction of support measures and the streamlining of the excavation phasing. The resulting savings largely exceeded the incurred expenses for additional investigation and calculations.
The cavern excavation schedule was accelerated by reorganizing the phasing of the different stages, creating a margin to make up delays elsewhere.
Structural design was also particularly challenging due to the unusual load cases to which the structure is subjected during construction and operation, as well as the large volumes of concrete being poured.
After 14 years of work, Nant de Drance was officially commissioned on 9 September 2022. At the height of construction, up to 650 labourers were present on site without any serious accidents. By its ability to absorb or inject up to 900 MW of power, Nant de Drance is going to be a key instrument for stabilisation and regulation on the Swiss and European grid.
Speakers

Patrick Heck, CEng MICE graduated with a degree in civil, structural and environmental engineering in 2007 from Trinity College Dublin, Ireland. Patrick started his career in geotechnical engineering, first with Buro Happold in the UK, and from 2010 with WSP-BG in Lausanne, Switzerland. He has been involved in the design and construction of several hydroelectric schemes in Switzerland. He was the BG project manager for the civil & structural engineering of the powerhouse and switchgear caverns at Nant de Drance.

Etienne Garin, Civil Engineer, M.Sc.: graduated in Civil Engineering from Swiss Federal Institute of Technology in Lausanne in 1996. He benefits from vast experience in the field of underground construction and hydroelectric scheme. Since he joined WSP-BG he has actively participated in the design and construction of major tunnels in Switzerland and abroad, as well as hydroelectric power schemes. During his career, he has carried out calculations at detailed and final design stage, been responsible for site supervision, and has managed projects from preliminary design to client delivery. He was in charge of the design of the caverns for the Nant-de-Drance project. Since 2023, Etienne Garin is animator of the ITA WG 19 “Conventionnal Tunnelling”

Gérard Seingre, Civil Engineer, M.Sc.: graduated in Civil Engineering from Swiss Federal Institute of Technology in Lausanne. Gérard is an expert in deep tunnelling and site survey for construction of energy infrastructures. He has planned and played a leading role in the construction of over 40 km of deep tunnels, 3 vertical shafts over 400 m high, more than 10 big caverns and 2 descending access galleries (main projects Loetschberg-base Tunnel and Pump storage power plant Nant de Drance). He was for 12 years animator of the working 17 “Long tunnels at great depth” for the ITA. He is currently the treasurer of ITA. Gérard is also lecturer for tunnelling construction at the Swiss Federal Institute of Technology of Lausanne.

Tunnel systems: planning assets today for the future
2023-09-28 18:00 - 20:00 (Australia/Brisbane) | Online and in person at: Level 9, 340 Adelaide Street, Brisbane
Overview
In this session, we will explore examples of tunnels that have undergone significant refurbishment, upgrade, or change to their systems, both locally and internationally.
We will examine some of the lessons learned and challenges overcome. Our objective is to look at how these lessons might be applied to tunnel systems today to better support our changing needs. Additionally, we will examine the trends that might inform how we best plan for the future state, including human factors, developments in technology, and how we can better shape the reliability and serviceability of these systems as they go through these changes.
Further information
Australia has experienced a revolution in underground transport infrastructure over the past three decades as the population of our cities has grown. Some of our major transport tunnels are now approaching lifecycle milestones, and in particular, some tunnel systems are approaching the end of their economic life. Many tunnels have already undergone retrofits of new system technologies and repurposing to different transport functions, such as the conversion of rail to metro. These changes require significant modifications to the existing tunnel systems, which might not have been foreseen at the time of construction. The need to make significant changes to tunnel systems for upgrades or repurposing is not a new concept.
In countries with more established underground infrastructure, this reality has been experienced multiple times. There are also notable examples of tunnels for more specialized purposes that have undergone radical changes to support new functions. Looking back, we can see that there are needs for these tunnel systems today that would have been hard to imagine at the time of their construction. Changes to the climate, resources, the way we work and how we use and transmit information are all factors that have contributed to this. Considering the current rate of change, it may be even more difficult to imagine what we will expect of these systems in 30 years’ time.
Event program
In person:

5:30 pm AEST: Registration and arrival
6:00 pm AEST: Event commences
7:00 pm AEST: Presentation concludes and Networking
8:00 pm AEST: Event concludes

Online:

6:00 pm AEST: Event commences
8:00 pm AEST: Event concludes

About the speaker

Tom Starling
Principal Mechanical Engineer, Worley
Tom is a mechanical engineer with 17 years’ of experience, half of that in major transport infrastructure projects, working in a variety of roles, from technical advice in financing and partnerships, through to testing and commissioning. Being involved at the earliest and latest stages of tunnel system design and construction, Tom has experience in blue sky planning for possible future usage scenarios, and has also developed solutions to enable and execute the upgrade, retrofit and repurpose of existing tunnel systems. The balance of his experience is in a range of sectors; buildings, water, defence and resources, both surface and underground, which face similar and different challenges to transport tunnel infrastructure.

MC

Teresa Sandum
Senior Fire Safety Engineer
Teresa is a Senior Fire Safety Engineer with 7 years of experience on a range of infrastructure and building projects in Victoria, New South Wales, Queensland and New Zealand. Teresa is currently part of the Tunnel System Fire and Life Safety team at WSP and currently working Melbourne Metro Tunnel Project, North-East Link (NEL) and Southern Program Alliance (SPA) for Level Crossing Removal.
Teresa have extensive experiences in CFD simulations using Fire Dynamics Simulation for station building, airports, and shopping centres. She also specialises in dynamic egress modelling using advanced crowd-based simulation software, MassMotion for Melbourne Metro and the new Adelaide Street Tunnel for Brisbane Metro. She also provided fire and life safety strategy and evacuation strategy on the existing MURL works as part of the breakthrough interface between the new State Library Station (Melbourne Metro) and Melbourne Central Station (MURL).

Revolutionising Australia’s infrastructure though centralised geological and geotechnical data management
2023-10-19 17:30 - 19:30 (Australia/Sydney) | Hybrid and in person at WSP Sydney, Level 27, 680 George Street, Sydney, NSW, 2000, Australia
Join us for this exciting and informative National ATS Event!
Summary
Australia’s increasing infrastructure development demands a comprehensive grasp of its intricate underground landscape. This understanding is pivotal as space competition heightens for future expansion. Despite substantial annual investments in ground investigations, often involving intrusive testing, geotechnical data is primarily stored in outdated formats, resulting in data loss or duplication. While some preservation efforts exist, public access to the information remains limited.
This Churchill Fellowship-based study underscores the feasibility of a more sustainable approach. Successful models from the UK, Netherlands, Switzerland, Denmark, and New Zealand showcase effective central repositories for geological data. The lack of a comparable requirement in Australia hinders efficient data utilisation, leading to extended project timelines and increased costs for both the government and taxpayers. The study offers valuable guidance for Australian government bodies to establish centralised geological and geotechnical databases. The accessibility and cost-efficiency of these systems can stimulate cooperation across sectors, contributing to the sustainable development of future cities.
This event is generously sponsored by: WSP Australia

Timings
In person – 5.30 for a 6pm start –WSP Australia, Level 27 680 George St, Sydney NSW 2000
Webinar – 5.45 for a 6pm start – The hybrid meeting link is via Zoom: https://wsp.zoom.us/j/83396276103
PLEASE NOTE: There is no requirement to register in advance so make sure you make a note in your diary now! If you are joining online, please click on the above link and remember to give yourself plenty of time to sign in via zoom or the zoom app. If you are joining in person, please enter the building and go straight up to Level 27.

Presenter bio
Dr David Och
David has a PhD in geology on the study of a complex structural, tectonic and metamorphic terrane at Port Macquarie, NSW, Australia. He is the Technical Director – Geology (Tunnels) for WSP in Australia and leads the NSW Tunnels Group. His expertise in tunnelling and engineering geology has led to key lead and advisory roles on major transportation projects. David’s recent roles have included Geotechnical Lead for Sydney Metro City & Southwest and Sydney Metro West Projects, and Geological Lead on the Western Harbour Tunnel and Beaches Link project.
David, a Churchill Fellow, has just completed a study on geotechnical databases at geological surveys including the BGS, TNO (Netherlands), Swisstopo and GEUS (Denmark). This work was published as a report through Winston Churchill Trust and a recent paper in Springer. David is also an Associate Professor at the School of Biological, Earth and Environmental Sciences at UNSW Sydney. He supervises students in Honours degrees at Sydney University and Adelaide University, and lectures in Landscape design at University of Technology Sydney (UTS).

Geologist David Och shows rock core samples to North West Rail Link project director Rod Staples, NSW Transport Minister Andrew Constance and NSW Premier Mike Baird.

Annual Special Meeting - ATS Victoria
2023-11-01 18:00 - 20:00 (Australia/Melbourne) | WSP Australia office, Level 11, 567 Collins Street, Melbourne
ATS Victoria invites all Victorian-based members to their Annual Special Meeting (ASM) to hear how the Chapter performed over the last year and what is planned for the following year.
Timings
5:30 – 6:00 – Networking
6:00 – 6:15 – Annual Special Meeting
6:15 – 7:00 – Technical Presentation
7:00 onwards – Networking
Agenda

Apologies
Minutes of 2022 ASM
Matters Arising
Chairman’s Report
Financial Report
Election of Committee for 2024
Other Business

Following the ASM, Martin Rauer from CREG will make a presentation on sustainable TBM tunnelling, as per the details below. CREG have kindly offered to sponsor the catering for the event.
Presentation Outline
Pathway to sustainable TBM tunnelling using intelligent electrical equipment
Sustainability in tunnel construction is becoming an increasingly important topic especially as global greenhouse gas emissions continue to rise, at a time when they need to be rapidly falling.
To effectively reduce emissions, we need to know where they are coming from – which sectors contribute the most. How can we use this understanding to develop effective solutions and mitigation strategies. Reducing the carbon emission footprint by using electrical equipment is just one step and topic of many.
This presentation will discuss the development and use of intelligent electrical equipment designed to transport people and materials with a payload of up to 180 tonnes from the surface to a TBM.
The specially developed tunnel multi-purpose vehicle was originally supposed to be operational when drilling of the first tunnel. Testing showed that more time was needed before the vehicle could actually get into action. Therefore, diesel vehicles had to be used for the first tunnel drive.
However, for the boring of the second parallel tunnel all electric vehicles were ready to go with some interesting results when compared to the first tunnel.
Speaker bio
Martin Rauer, Mechanical Engineer, CREG

After Martin Rauer completed his apprenticeship as a mechanic specializing in production and manufacturing technology, he decided to study mechanical engineering in Darmstadt, Germany. In 1999, Martin successfully completed his master’s degree based on research into the development of new methods for extending and connecting offshore piles for one of Germany’s largest civil engineering and tunnelling companies, Bilfinger Berger. He continued his journey at Bilfinger Berger in the years to come, spending most of his time on major projects worldwide in a senior management position. Martin is currently working for CREG Australia.

Shotcrete seminar
2023-11-05 | Aotea Centre, Auckland, NZ
This one-day seminar is being organised by representatives of the Australian Shotcrete Society (AuSS), Australian Tunnelling Society (ATS) and New Zealand Tunnelling Society (NZTS).
NOTE: To register for the Shotcrete Seminar, please tick the option in your conference registration. If you only plan on attending the Shotcrete Seminar, please select this option under any of the conference registrations selections.
Event summary
Shotcrete enables complex underground structures to be built more effectively and efficiently and has opened greater opportunities to develop innovative structures, whether they are underground or on the surface. Because of its flexibility in construction, Shotcrete is of critical importance in enabling complex geometrical structures to be constructed.
This seminar is going to discuss the basics of shotcrete, recent innovations, sustainability, design developments, waterproofing in shotcrete, as well as legal issues associated with shotcrete. This is a great opportunity to earn valuable professional development hours as well as acquire new skills from leading regional experts representing clients, suppliers, and consultants in a relaxed environment.
We welcome any attendee of the ATC 2023 conference who would like to gain deeper insight into the somewhat mysterious product called shotcrete or anyone interested in shotcrete, whether it is used in tunnelling or as means to place concrete more efficiently.
Why you should join
This seminar and follow up networking event is a great opportunity for all levels of the industry to interact, whether they are:

Students looking to understand shotcrete
Site engineers wanting to better understand shotcrete
Consultants wanting to keep up with best practice
Industry leaders also needing to understand current industry challenges.

Seminar program

Australasian Tunnelling Conference 2023
2023-11-05 - 2023-11-08 | QLD
With a theme of Trends and Transitions in Tunnelling – the 18th Australasian Tunnelling Conference in New Zealand is already shaping up to be the most anticipated event on the 2023 calendar.
The New Zealand Tunnelling Society (NZTS) has now released the details of the 18th Australasian Tunnelling Conference (ATC). The ATC will be hosted by the NZTS in Auckland, Aotearoa New Zealand between the 5th and 8th November 2023.
With an overarching focus on Trends and Transitions in Tunnelling, the main themes of the conference (in English and Māori – a huge part of New Zealand’s national identity), include:

Resilience: Manawaroa; wellbeing, infrastructure, economics.
Relationships: Hononga; industry, stakeholders and future generations.
Guardianship: Tiaki; sustainability and legacy. Re-purposing and enhancing existing infrastructure, decarbonisation.
Future (s): Anamata; what kind of infrastructure is needed.

The conference committee are specifically looking for abstracts on the following topics, but all abstracts relevant to tunnelling are welcomed:

Transition engineering, sustainability and economic growth
Metros and mass transit
Digital engineering, instrumentation and monitoring
Hydropower and utility tunnels
Mechanised tunnelling
Conventional tunnelling/SEM/caverns
Tunnel operations, asset anagement, repurposing and rehabilitation
Tunnel systems, ventilation and fire life safety
Human factors: users, resourcing, training, competency education and diversity
Safety and occupational safety
Underground architecture and space development
Grouting, ground modifications and hydrogeology
Sprayed concrete and tunnel linings
Automation and technological advances
Shafts
Tunnels and tunnelling for mines
Geotechnical characterisation, seismicity and difficult ground
Risk management, collaboration and contracting

Timelines

Abstracts Due – 31st March 2023
Acceptance of Abstract and Notifications – 31st May 2023
Papers Due – 31 August 2023
Paper Moderations and final papers – 30 September 2023

For more information, please visit the event website: atc2023.com
