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DTSTART;TZID=Australia/Sydney:20260908T210000
DTEND;TZID=Australia/Sydney:20260908T223000
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UID:357443-1788901200-1788906600@australiantunnellingsociety.com.au
SUMMARY:Deep Tunnels in Challenging Conditions
DESCRIPTION:This instalment of the ITA Lecture Series will focus on ‘Deep Tunnels in Challenging Conditions’. \nThe episode will feature three parts and will finish with a Q&A with all speakers. It will begin at 13:00 CEST (9pm AEST). \n\nMain hazards and risk mitigation strategies — Magali Schivre (ITA WG17 Animateur)\, Roberto Schürch (ITA WG17 Vice-Animateur)\nCase study: El Teniente mine (Chile) – rock burst risk mitigation — Diego Silva (Chile\, Codelco)\nCase study: Snowy 2.0 – Overcoming a Major Fault Zone Challenge During Headrace Tunnel Excavation — Nick Chapman (Australia\, Snowy Hydro)\n\nFollowing the three presentations there will be time for Q&A with the presenters \nThe Lunchtime lecture series remains free and open to all. For all those that cannot join ‘live’ online\, please register and you will receive a link to stream the episode after the event – this link will be valid for four weeks. After these four weeks\, anyone wanting to watch the episode can do so by registering for the episode on the ITA website\, but there will be a small fee to watch.
URL:https://australiantunnellingsociety.com.au/ats-event/deep-tunnels-in-challenging-conditions/
LOCATION:Online
CATEGORIES:Online,Webinar
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DTSTART;TZID=Australia/Melbourne:20260910T173000
DTEND;TZID=Australia/Melbourne:20260910T190000
DTSTAMP:20260728T040205Z
CREATED:20260728T035929Z
LAST-MODIFIED:20260728T040205Z
UID:339544-1789061400-1789066800@australiantunnellingsociety.com.au
SUMMARY:Tunnelling Under New York
DESCRIPTION:Australian Design Experience on the Second Avenue Subway and the Manhattan Tunnel Project\nOverview\nTwo of the most significant underground projects in the United States are utilising Australian Designers Firstly\, the Second Avenue Subway Phase 2 (SAS2) is a USD $2.0 billion extension of New York City’s Q train from 96th Street to 125th Street. SAS2 adds three new stations and utilises tunnel boring\, cut-and-cover and conventional mining methods\, concurrently to achieve revenue service in 2032. Secondly the Manhattan Tunnel Project\, which utilizes jet grouting\, ground freezing\, and shield tunnelling prepare a pathway through historic buried obstructions on the Eastern bank of the Hudson River to allow completion of the Hudson River Tunnels into Penn Station. \nTogether the two projects span the full range of urban underground practice\, from hard rock caverns to shallow soft-ground tunnelling in congested ground. \nTimings\n\n5:30pm: Welcome and networking\n6:00pm: Presentation\n6:45pm: Q&As\n7:00pm: Event Finishes\n\nVenue\n\nOnline AND\nIn-person at Delve Underground Melbourne Office\n\n\nSpeakers\n \nDenis Tepavac\nDenis Tepavac (CPEng\, MIEAust\, NER\, RPEQ\, RPEV) is a Senior Associate at Delve Underground with 17 years of tunnelling experience across transportation\, water\, and wastewater projects in Australia and internationally. He specializes in the design of mined tunnels and caverns and large-scale underground structures\, underpinned by advanced structural and geotechnical numerical modeling. On New York’s Second Avenue Subway\, Denis is the Design Discipline Lead for the station cavern and short tunnels. His Australian portfolio spans North East Link\, WestConnex\, and Sydney Metro\, where he has led complex sequential excavation and permanent lining design. He is a passionate member of the Australasian Tunnelling Society. \n \nDean Treweek \nDean Treweek (CPEng\, MIEAust\, NER\, RPEV\, RPEQ) is a Senior Associate at Delve Underground with 18 years of experience in tunnel\, shaft\, and tunnelling-related design\, with a particular focus on segmental lined tunnels and permanent secondary tunnel linings. On the Gateway Program’s Manhattan Tunnel Project\, Dean is the Design Unit Lead for the tunneling package including the precast expanded segmental tunnel lining design. His recent Australian portfolio spans North East Link\, Melbourne Metro\, M6 Motorway in Australia\, along with international work across the United States and the Middle East. He is a passionate member of the Australasian Tunnelling Society. \n 
URL:https://australiantunnellingsociety.com.au/ats-event/tunnelling-under-new-york-australian-design-experience-on-the-second-avenue-subway-and-the-manhattan-tunnel-project/
LOCATION:Delve Underground\, Level 15 / 385 Bourke Street\, Melbourne\, Victoria\, 3000\, Australia
CATEGORIES:Online,Victoria,Webinar
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DTSTART;TZID=Australia/Sydney:20261110T173000
DTEND;TZID=Australia/Sydney:20261110T200000
DTSTAMP:20261030T031706Z
CREATED:20261030T021950Z
LAST-MODIFIED:20261030T031706Z
UID:399768-1794331800-1794340800@australiantunnellingsociety.com.au
SUMMARY:Precast lining in mined spur tunnels on Sydney Metro West: WTP
DESCRIPTION:Overview\nThe Gamuda Laing O’Rourke consortium on the Western Tunnelling Package of Sydney Metro West adopted an innovative precast lining solution for two spur tunnels connecting the dive structure to the underground junction caverns at Clyde. The selection was influenced by the tunnel length\, tight alignment curves and the desire to achieve lining performance consistent with the mainline tunnels. \nThe mined horseshoe-shaped tunnels\, constructed with rock bolts and shotcrete primary support\, presented unique challenges for the design and installation of the permanent lining. To address these challenges\, a bespoke precast lining system and dedicated Lining Erection Machine (LEM) were developed in collaboration with Herrenknecht. \nThis presentation will examine the engineering rationale behind the design\, the development of the lining system\, construction methodology and lessons learned during project delivery. Attendees will gain practical insights into innovative tunnelling solutions\, underground construction challenges and the implementation of large-scale infrastructure projects. \nThis event is produced by the Australian Tunnelling Society. \nWho should attend?\nSuited to all engineers with an interest in tunnelling from graduates to principals. Students are also encouraged to attend. \nLearning Outcomes\nIn this presentation\, you will learn: \n\nHow precast lining systems can be applied in mined tunnel environments\nThe key design considerations\, constraints and risks associated with permanent tunnel linings\nHow specialised construction equipment\, including the Lining Erection Machine\, supported project delivery\nPractical lessons learned from planning\, construction and implementation on a major rail infrastructure project\n\nProgram\nIn-person: \n5.30 pm AEDT – Registrations open \n6.00 pm AEDT – Presentation commences \n7.00 pm AEDT – Presentation concludes \n7.05 pm AEDT – Networking and drinks \n8.00 pm AEDT- Event concludes \nOnline: \n6.00 pm AEDT – Presentation commences \n7.00 pm AEDT – Presentation concludes \n8.00 pm AEDT- Event concludes \nAbout the speakers\n\n\n\nJeremy Nethercott MIEAust CPEng NER APEC Engineer IntPE(Aus)\nGamuda Australia\n\nJeremy Nethercott is an experienced Project Manager with nearly 20 years’ experience in the delivery of major tunnelling\, civil\, and rail infrastructure projects across Australia and Europe. Most recently\, Jeremy successfully delivered the mined tunnels and associated works for Gamuda on the Sydney Metro Western Tunnelling Package\, with overall responsibility for safety\, program\, cost\, quality and environmental performance. His expertise encompasses complex underground construction\, major civil structures\, innovative tunnelling methodologies\, multidisciplinary coordination\, stakeholder management and the delivery of projects within highly constrained environments. Jeremy has also held key roles across other major projects including Sydney Metro\, WestConnex\, M6 Motorway and Fehmarnbelt Fixed Link. \n\n\n\n\n\n\nAmmar Miryazee MIEAust CPEng (Civil & Geotech) NER APAC\nGHD\n\nAmmar Mirzayee is a Technical Director and Chartered Professional Engineer with 16 years of experience in geotechnical and structural engineering\, specialising in mined and TBM tunnels\, underground structures\, tunnel linings and construction-phase services. He currently serves as Design Discipline Lead and Tunnels Construction Phase Services Area Lead for the Sydney Metro West Western Tunnelling Package. Ammar has contributed to major transport infrastructure projects in Australia and internationally\, with particular expertise in rock mechanics\, reinforced concrete design\, ground-structure interaction and advanced numerical modelling. \n\n\n\n\nSponsors\nHuge thanks to our event sponsors:
URL:https://australiantunnellingsociety.com.au/ats-event/precast-lining-in-mined-spur-tunnels-on-sydney-metro-west-wtp/
LOCATION:Mezzanine Floor\, 44 Market Street\, Sydney\, 2000
CATEGORIES:Hybrid,New South Wales,Online,Webinar
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