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BEGIN:VEVENT
DTSTART;TZID=Australia/Melbourne:20260428T173000
DTEND;TZID=Australia/Melbourne:20260428T193000
DTSTAMP:20260426T215619
CREATED:20260421T042234Z
LAST-MODIFIED:20260421T042558Z
UID:280795-1777397400-1777404600@australiantunnellingsociety.com.au
SUMMARY:Geotechnical Baseline Reports in Australian Collaborative Contracting: Legal and Engineering Perspectives
DESCRIPTION:Join us for this ATS and Australian Geomechanics Society (AGS) Joint Seminar\nSeminar abstract: \nAustralian infrastructure procurement is undergoing a fundamental shift toward collaborative delivery models\, such as Alliance contracts\, ECI frameworks\, Progressive Design-Build\, and ITC arrangements. These models demand a fundamentally different approach to Geotechnical Baseline Reports (GBRs) than is required under traditional Design-Bid-Build contracts. \nThis seminar brings together legal and geotechnical expertise to examine how GBRs function in contemporary Australian practice. From the legal perspective\, the presentation explores GBR structures as they are incorporated into various construction contracts across Australia\, examining risk allocation mechanisms\, drafting precision\, and dispute resolution frameworks. From a geotechnical engineering perspective\, the speakers touch on distinguishing GBRs from traditional investigation reports by covering ground model development\, physical and behavioural baselines\, and the critical importance of multidisciplinary authorship. \nDrawing on domestic and international lessons\, from adversarial “you bid it\, you build it” approaches to modern risk-sharing frameworks\, the speakers look into what differentiates collaborative from traditional GBR practice. Topics include authorship models\, treatment of uncertainty through provisional baselines\, and practical application to Melbourne’s geological challenges. \nAustralian practitioners risk repeating costly mistakes made elsewhere. This seminar equips geotechnical/tunnelling engineers\, project/commercial managers\, and client staff with the knowledge to implement effective GBR practices suited to Australia’s evolving contractual landscape. \nDate and Program: \n28 April\, Tuesday\, 2026. \n\n17:30 Attendees’ arrival and networking\n18:00 Intro and Presentation\n18:50 Q&As followed by promotions on subsequent events\n19:00 Networking\n19:20 Close\n\nLocation \nThe University of Melbourne\, Brown Theatre (106)\, Level 1\, Electrical & Electronic Engineering Building (Building 193)\, Parkville \nhttps://go.unimelb.edu.au/bew8 \nPresenter’s bios: \n \nJames Morgan-Payler \nJames Morgan‑Payler is a Partner and Head of Asia Pacific at international law firm Pinsent Masons. He is a leading adviser on the structuring\, preparation and negotiation of construction and project contracts across major Australian and international infrastructure and energy developments. \nJames has extensive experience advising on collaborative and complex delivery models\, including Design & Construct (D&C)\, Early Contractor Involvement (ECI)\, Alliance contracting\, EPC\, O&M and Public‑Private Partnerships (PPPs). His practice spans a wide range of major projects\, including wind\, solar\, hydro and gas power generation assets\, desalination plants\, social infrastructure\, and large-scale road and rail developments. \nIn this presentation\, James will focus on the legal foundations\, risk allocation and contractual treatment of Geotechnical Baseline Reports within contemporary Australian collaborative contracting models\, providing a legal perspective to complement the technical and geotechnical insights presented alongside him. \n \nDr Jay Lee \nDr Jay Lee is an experienced geotechnical engineer and project leader with extensive involvement in the delivery of major infrastructure projects across Australia\, Asia\, and North America. He has worked on complex building and infrastructure works\, including marine facilities\, roads\, railways\, and underground structures. \nDr Lee brings strong technical expertise in geotechnical/tunnelling engineering\, combined with practical experience supporting constructability\, ground‑risk management\, and collaborative project delivery. He has also contributed to research and development initiatives focused on advancing geotechnical practice and innovative construction methodologies. He is particularly experienced in working at the interface between clients\, designers and contractors to resolve technically complex ground‑related challenges and to improve constructability outcomes throughout the project lifecycle. \nIn this presentation\, Dr Lee will provide the technical and engineering perspective on Geotechnical Baseline Reports\, complementing the legal insights presented alongside his co-presenter. \n 
URL:https://australiantunnellingsociety.com.au/ats-event/geotechnical-baseline-reports-in-australian-collaborative-contracting-legal-and-engineering-perspectives/
LOCATION:The University of Melbourne\, Brown Theatre (106)\, Level 1\, Electrical & Electronic Engineering Building (Building 193)\, Parkville\, Victoria\, Australia
CATEGORIES:Victoria
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DTSTART;TZID=Australia/Sydney:20260428T173000
DTEND;TZID=Australia/Sydney:20260428T200000
DTSTAMP:20260426T215619
CREATED:20260331T031303Z
LAST-MODIFIED:20260331T031742Z
UID:270495-1777397400-1777406400@australiantunnellingsociety.com.au
SUMMARY:Testing of sprayed fibre reinforced concrete for the design of tunnel linings
DESCRIPTION:Overview\nFibre reinforced concrete (FRC) design has been widely used for sprayed permanent linings in tunnels with substantial recent developments in design methods and mix design. One such development has been reliance on the toughness characteristics to inform the design versus the different methods of panel testing. This presentation discusses the 2025 fib bulletin 116 recommendations with a focus on testing and performance criteria. By adopting EN 14488-3 procedure for the toughness characterization of the sprayed FRC\, it is possible to derive the key parameters that are necessary for the design according to fib Model Code 2010 in an easy quantifiable manner. \nLearning outcomes\nIn this presentation\, you will: \n\nunderstand the advantages and drawbacks of various shotcrete testing methods\nunderstand the importance for shotcrete testing to directly relate to design methods\ngain an insight into the latest shotcrete testing methods.\n\nProgram\nIn-person: \n\n5.30 pm AEST: Registrations open\n6.00 pm AEST: Presentation begins\n6.45 pm AEST: Q&A session\n7.00 pm AEST: Networking\n8.00 pm AEST: Event ends\n\nAbout the speaker\n\n\n\nCheng Chian Gan\nTechnical Manager\, Underground Solutions – Bekaert Singapore\n\nGan is an expert in sprayed fibre reinforced concrete with over 35 years of civil engineering experience. He is a member of the Working Group on SS674-2021 since Jan 2019. Gan is a domain Expert for Sprayed Concrete and Fibre Reinforced Concrete under Intelligent National Productivity and Quality Specification Singapore since Mar 2019. From 1998 to present\, Gan has been involved in over 22 sprayed fibre concrete tunnel linings and over 20 fibre concrete precast segmental and cast concrete tunnel lining projects.
URL:https://australiantunnellingsociety.com.au/ats-event/testing-of-sprayed-fibre-reinforced-concrete-for-the-design-of-tunnel-linings/
LOCATION:Aecom Office\, Level 21\, 420 George Street\, Sydney
CATEGORIES:New South Wales
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BEGIN:VEVENT
DTSTART;TZID=Australia/Adelaide:20260507T173000
DTEND;TZID=Australia/Adelaide:20260507T190000
DTSTAMP:20260426T215619
CREATED:20260401T004524Z
LAST-MODIFIED:20260401T004629Z
UID:271096-1778175000-1778180400@australiantunnellingsociety.com.au
SUMMARY:ATS SA tunnelling community meet and technical update
DESCRIPTION:Overview\nJoin us for a dynamic Meet & Greet and technical presentation as we bring together the South Australian tunnelling and underground engineering community. With the recent establishment of the ATS SA Chapter\, this event offers an opportunity for current and prospective members to connect with committee representatives\, learn about the chapter’s vision\, and explore how ATS supports the growth and professionalism of the tunnelling industry across the state. The session will also feature an insightful technical presentation on the tunnelling works underway as part of the Eyre Peninsula Desalination Project. Attendees will gain a behind the scenes look at the project’s challenges\, innovations\, and engineering approaches shaping this significant piece of regional infrastructure. Designed to inform\, connect\, and inspire\, this event is the perfect chance to engage with colleagues\, expand your network\, and deepen your understanding of the exciting tunnelling activities happening in South Australia. \nProgram\n\n5.30 pm ACST: Welcome and Introductions\n5.35 pm ACST: Australian Tunnelling Society background and new SA Committee members\n5.50 pm ACST: Presentation on Eyre Peninsula Desalination Project Tunnelling Activities\n6.20 pm ACST: Questions\n6.25 pm ACST: ATS 2026 Program of Events\, Activities\, Industry Support\, etc\n6.30 pm ACST: Close of formal presentations\n7.00 pm ACST: Event close\n\nLearning outcomes\nBy the end of this event\, participants will be able to: \n\nunderstand the role of the ATS SA Chapter and how it supports the tunnelling and underground engineering community\ngain insights into the tunnelling activities associated with the Eyre Peninsula Desalination Project\, including key challenges and technical approaches\nrecognise opportunities for industry engagement through local chapter initiatives\, networks\, and future activities\nstrengthen professional connections by meeting SA committee members and fellow tunnelling professionals.\n\nAbout the speakers\n\n\n\nAlvaro Torres\nProject Manager\, McConnell Dowel\n\nAlvaro is an experienced Project Manager with McConnell Dowell\, with over 25 years experience and a demonstrated track record successfully delivering major multi-disciplined projects in diverse sectors including infrastructure (bridges\, tunnels\, rail)\, defence (embassies\, military facilities)\, energy (marine infrastructure\, pumped-storage hydroelectricity)\, both in Australia and internationally. Some projects in South Australia include the O-Bahn tunnel\, Oaklands rail station\, Regency road to Pym street\, and the Heysen tunnel upgrades. \nAlvaro is the Project Manager for the Eyre Peninsula Desalination Plant – Marine Works in Port Lincoln SA. \n\n\n\n\n\n\nBrent Whiting\nProject Manager\, McConnell Dowell\n\nBrent Whiting\, a seasoned Project Manager with McConnell Dowell\, has over 25 years’ experience in the construction industry spanning the sectors of: water and wastewater (dams & transfer schemes); town development; mine rehabilitation; quarrying; and transport infrastructure (roads\, tunnels & bridges). Brent’s flagship tunnelling projects include the Hobson Bay Tunnel\, Waterview Connection Tunnels\, the Army Bay Outfall Direct Pipe® project\, and the Watercare Warkworth to Snells Transfer Pipeline project. \nBrent is currently Construction Manager Tunnels on the Eyre Peninsula Desalination Plant – marine works in Port Lincoln SA\, where the team are constructing a 3mtr dia pipejack tunnel for the sliplined intake and outfall pipelines. \n\n\n\n\n\n\nCharles Sweeney\nDesign Manager\, McConnell Dowell\n\nCharles Sweeney is an experienced Design Manager at McConnell Dowell Constructors\, bringing more than 20 years of expertise in the mining and civil construction sectors\, with a strong focus on underground works. His background spans geotechnical and tunnel design across major tunnelling projects\, including the Army Bay WWTP Outfall Project\, the Central Interceptor Wastewater Tunnel Project\, and more recently the award-winning Warkworth to Snells Transfer Pipeline. Charles currently serves as Engineering Manager for the Eyre Peninsula Desalination Plant – Marine Works.
URL:https://australiantunnellingsociety.com.au/ats-event/ats-sa-tunnelling-community-meet-and-technical-update/
LOCATION:Engineers Australia Adelaide Office\, 11/108 King William Street\, Adelaide\, South Australia\, 5000
CATEGORIES:South Australia
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BEGIN:VEVENT
DTSTART;TZID=Australia/Brisbane:20260512T183000
DTEND;TZID=Australia/Brisbane:20260513T010000
DTSTAMP:20260426T215619
CREATED:20260409T044449Z
LAST-MODIFIED:20260409T044449Z
UID:275649-1778610600-1778634000@australiantunnellingsociety.com.au
SUMMARY:Site visit: fire suppression condition monitoring at AirportLink
DESCRIPTION:Overview\nRoad tunnels have design lives of 50-100 years\, with Mechanical\, Electrical and Fire assets having design lives of only 5-25 years. Managing deterioration that triggers changes in condition and performance is essential to enable the fire safety strategy defined in the Fire Engineering Report\, as well as to identify need for amending it as both technology\, technical and legal requirements change. This presentation will present a project in which the condition of the combined fire mains in an established road tunnel (AirportLink) was assessed through non-destructive techniques (NDT) to inform the asset manager of the expected service life remaining\, which in turn informs both short- and long-term investment. The presentation will be followed by a visit to the tunnel during a maintenance closure to discuss some of the drivers and challenges of the project arising from the available maintenance windows and the physical layout of the system. \nThis site visit is targeted primarily towards young engineers\, however we do welcome all engineers. \nProgram timeline\n6.30pm – Registration\, safety check and brief introduction. \n7.30pm – Fire mains condition assessment presentation \n9.00pm – Maintenance toolbox \n10:30pm – Tunnel closes for access \n10:45pm – Group tunnel walk \n12:30am – Group exits tunnel and wrap up \n1:00am – Site visit concludes \nThis site visit concludes after midnight and the timetable may be subject to change depending on traffic conditions. \nMinimum PPE requirements\nAttendees are required to have full PPE for participation\, including: \n\nLong Trousers – 2 Reflective Stripes\nLong Sleeve Shirt – Reflective Stripes\nClear Safety Glasses\nHard Hat (in Date)\nGloves\nLaced Up Steel Capped Boots (Secured & Fitted)\nHearing Protection\n\nAttendees that do not comply with the minimum PPE requirement will not be admitted on the day. \nPlease Note: Mandatory alcohol testing and random drug testing will be conducted upon arrival.  \nAbout the speaker\n\n\n\nJaime Cadena Gomez\nPrincipal Engineer\, Fire Safety\n\nJaime Cadena Gomez is an engineering professional with 17 years of experience understanding and managing operational risks and performance of critical infrastructure. Currently\, he is the Principal Asset Engineer for Fire Safety across a network of 16 road tunnels in Australia.
URL:https://australiantunnellingsociety.com.au/ats-event/site-visit-fire-suppression-condition-monitoring-at-airportlink/
LOCATION:82 Campbell Street\, Bowen Hills\, Queensland\, QLD\, 4006\, Australia
CATEGORIES:Queensland
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BEGIN:VEVENT
DTSTART;TZID=Australia/Melbourne:20260513T173000
DTEND;TZID=Australia/Melbourne:20260513T183000
DTSTAMP:20260426T215619
CREATED:20260330T020114Z
LAST-MODIFIED:20260330T020114Z
UID:269673-1778693400-1778697000@australiantunnellingsociety.com.au
SUMMARY:Choosing the right VSD for tunnel ventilation application
DESCRIPTION:Overview\nIn recent years\, several tunnel projects have faced serious setbacks due to catastrophic motor failures. These failures are caused by high peak voltages\, a result of using Active Front End (AFE) VSDs combined with long motor cable lengths\, extending to 500 meters. This session examines the underlying electrical phenomena contributing to these issues and why conventional mitigation methods\, such as standard filters\, are often insufficient. \nParticipants will gain practical insight into proven engineering solutions that deliver near-sinusoidal voltage at the motor terminals\, reducing stress on insulation and extending asset life. Drawing on real-world case studies and field testing\, the session highlights key design considerations\, specification pitfalls\, and lessons learned to support more reliable tunnel ventilation system performance. \nLearning outcomes\nIn this event\, attendees will be able to: \n\nidentify the root causes of high peak voltages in AFE VSD tunnel applications\nevaluate why conventional filtering methods may not adequately protect motors apply practical design and specification strategies to prevent premature motor failure\nselect VSD and mitigation solutions that improve reliability and extend asset life\n\nProgram\nIn-person: \n\n5.00 pm AEST: Guest arrivals and registrations\n5.30 pm AEST: Presentation begins\n6.15 pm AEST: Q/A begins\n6.30 pm AEST: Event close\n\nOnline: \n\n5.30 pm AEST: Presentation begins\n6.30 pm AEST: Presentation ends\n\nAbout the speakers\n\n\n\nJoris Feekman\nRegional Sales Manager\, Danfoss Drives\n\nJoris is Regional Sales Manager at Danfoss Drives\, with over 25 years of experience in electrical drives and industrial power conversion. He has experience across Europe and Australia\, delivering reliable motor control solutions across a wide range of industrial applications.\n\n\n\n\n\n\n\n\nHusain Natalwala\nBusiness Development Manager\, Danfoss Drives\nHusain has strong experience supporting large-scale industrial and infrastructure projects\, with exposure to Industrial Automation and Electrical Systems. At Danfoss\, he works as a BDM focussing on Tunnel Ventilation\, Water and Food Industries.
URL:https://australiantunnellingsociety.com.au/ats-event/choosing-the-right-vsd-for-tunnel-ventilation-application/
LOCATION:Online and in person at EA Melbourne\, Level 26\, 181 William Street\, Melbourne\, VIC\, 3000\, Australia
CATEGORIES:Online,Victoria,Webinar
ATTACH;FMTTYPE=image/png:https://australiantunnellingsociety.com.au/wp-content/uploads/2026/03/Screenshot-2026-03-30-130022.png
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BEGIN:VEVENT
DTSTART;TZID=Australia/Brisbane:20260625T173000
DTEND;TZID=Australia/Brisbane:20260625T193000
DTSTAMP:20260426T215619
CREATED:20260309T032436Z
LAST-MODIFIED:20260309T032436Z
UID:256542-1782408600-1782415800@australiantunnellingsociety.com.au
SUMMARY:Uncovering veins: impacts on deep tunnel engineering
DESCRIPTION:Overview\nHydrothermal veins are often overlooked or misinterpreted within deep\, heterogeneous rock masses\, yet their behaviour can dramatically influence tunnelling outcomes. In his award winning 2025 David Sugden Award paper\, Yosafat Sinaga reveals how these vein systems are frequently mistaken for open joints\, leading to inaccurate geological models and flawed design assumptions. This session will explore why correct vein characterisation is essential for both safety and project efficiency. Misjudging these features can result in two costly extremes: overly conservative support designs that inflate construction budgets\, or unexpected\, hazardous rockbursts triggered by misunderstood ground conditions. By examining real case insights and engineering implications\, this event will provide tunnelling and geotechnical professionals with a deeper understanding of the subsurface complexities that lie beneath\, and how better interpretation can reduce risk and improve decision making. \nProgram timeline\n5:30pm AEST – Registration and networking \n6:00pm AEST – Presentation commences \n6:50pm AEST – Q&A \n7:00pm AEST – Presentation concludes\, networking \n7:30pm AEST – Event concludes \nLearning outcomes\n\nWalk away with practical steps to avoid design errors caused by misinterpreting veins in deep tunnel projects.\nCorrectly interpret veined rock masses in core logging and face mapping and recognise when “broken-looking” core does not mean a poor-quality\, jointed rock mass.\nHow vein intensity and in situ stress interact to drive overbreak\, damage propagation\, and reinforcement demand in high-stress excavations\n\nAbout the speaker\n\n\n\nYosafat Sinaga\nGeotechnical Engineer\, NOMA Consulting\nYosafat Sinaga is a Geotechnical Engineer at NOMA Consulting with over five years of experience delivering geotechnical design and construction support for mining and tunnelling projects in Australia\, Singapore\, Papua New Guinea\, and Indonesia. He has contributed to major infrastructure and underground mining developments\, specialising in rock mass and structural geological characterisation\, advanced 2D and 3D numerical modelling\, and primary tunnel support design optimisation. His recent project work includes optimising primary support design for road tunnels excavated using the Drill & Blast method\, developing detailed designs for temporary Earth Retaining and Stabilising Structures (ERSS) for rail and service tunnels\, and providing geotechnical input for underground copper mining projects employing sub-level and block caving methods.
URL:https://australiantunnellingsociety.com.au/ats-event/uncovering-veins-impacts-on-deep-tunnel-engineering/
LOCATION:Engineers Australia QLD\, Level 9\, 340 Adelaide St\, Brisbane\, QLD\, 4000\, Australia
CATEGORIES:Queensland
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BEGIN:VEVENT
DTSTART;VALUE=DATE:20271108
DTEND;VALUE=DATE:20271112
DTSTAMP:20260426T215619
CREATED:20260326T010315Z
LAST-MODIFIED:20260326T010315Z
UID:267210-1825632000-1825977599@australiantunnellingsociety.com.au
SUMMARY:Australian Tunnelling Conference 2027 (ATC2027)
DESCRIPTION:Save the Date – ATC2027\, Brisbane\nThe Australian Tunnelling Conference (ATC2027) will take place in Brisbane from 8–11 November 2027. \nUnder the theme “Shaping an Underground Future: Technology\, Sustainability & Resilience\,” the conference will bring together industry\, academia\, and government to explore the full lifecycle of tunnelling. The program will highlight Australian experience and leadership\, spanning operations\, asset renewal and transformation\, and resource and post-mining applications\, alongside emerging priorities in planning and societal integration. \nFurther details will be released soon — we look forward to welcoming you to Brisbane.
URL:https://australiantunnellingsociety.com.au/ats-event/australian-tunnelling-conference-2027-atc2027/
LOCATION:Victoria
CATEGORIES:National
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