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What is XChange?

Xchange 2024 is the first of its kind, a brand new buildingSMART Australasia annual event running over 2 days. It combines a unique technical learning experience on Day 1, and a line-up of handpicked speakers who will discuss how Digital transformation and open standards are changing the infrastructure industry on Day 2. This inaugural event is a must for anyone working in the infrastructure sector.

Day 1 (3rd July) – Technical Short Course – what you will learn

Join us at UTS (Building 11- FEIT) for The OpenBIM with IFC Short Course. 

This 1-day series of workshops offers a technical training program covering core buildingSMART technologies and digital workflows applicable to building and civil infrastructure projects. 

The course provides an opportunity for subject matter experts to share knowledge and best practice in the concepts and application of buildingSMART technologies. 

Attendees receive a Certificate and Digital Badge from bSA and the University of Technology, Sydney in the use of IFC in the AECO industry.

Day 2 (4th July) – Conference – what you will hear

Presentations and panels covering topics focused on digital transformation in the infrastructure sector and the importance of open standards. Session may include the following:
  • Keynote: Ian Howell - buildingSMART International Chair on how open standards are being used around the world and the future direction of buildingSMART

  • Updates from Government infrastructure delivery agencies on current digital strategies and the application of Open Standards

  • New and upcoming digital standards impacting infrastructure

  • Best practice presentations on the application of global and local open standards

  • Initiatives in upskilling industry in Digital Engineering & BIM

  • Fully catered event including Networking Drinks


Ian Howell

Chair, buildingSMART International

Ian, an Australian architect, was Managing Partner of the Sydney office of a national practice and also distributor for RUCAPS and Sonata software (the first 3D design systems before the term BIM was coined) in Australia and NZ before relocating to the US to work for Autodesk as Director of AEC Products and Industry Marketing.  While at Autodesk, Ian co-founded the Industry Alliance for Interoperability as the predecessor to buildingSMART International and served on the Board of the North American Chapter.  In the era Ian was Vice President of Product Marketing at Blueline Online and Citadon, pioneering how the internet could be used as a collaboration platform by AEC project teams.  As CEO of Newforma, Ian led the development of the first global Project Information Management solution designed specifically for architects and engineers. Ian has served on the board of the NH Tech Alliance, as an Executive-in-Residence at Building Ventures, as a MITdesignX mentor and is a buildingSMART Fellow.  Currently, Ian is principle consultant at Built Environment Strategies engaged as the US Representative for buildingSMART International tasked with re-establishing the US Chapter.  At the request of the Board, Ian is also currently serving as Interim CEO pending the appointment of a replacement full-time CEO.

Scott Beazley

Digital Technologies Manager at Mitchell Brandtman, 
openBIM Consultant at Geometry Gym

After completing a Bachelor or Architecture at the University of Sydney Scott has over 35 years of experience practicing in Architecture and 28 years in CAD-BIM teaching at university and technical colleges. For the past 6 years, as well as his university commitments Scott has worked as a digital technology manager for a leading quantity surveyor helping with validation of models for quantification to derive costs.

John Legge-Wilkinson

Senior Structural Technician, Arup

John has 40+ years experience in the delivery of major building and infrastructure projects including rail, road and pedestrian bridges, and railway stations. John has always been passionate about taking advantage of digital tools and technology to help deliver our projects and has been instrumental in driving transition and change throughout his career to the use and adoption of current and evolving digital workflows and processes. 

Dr. Julie Jupp

Director, buildingSMART Australasia
Associate Professor, University of Technology Sydney

Dr Julie Jupp is Associate Professor of Digital Engineering at the University of Technology Sydney (UTS) in the Faculty of Engineering and IT. Julie’s research, teaching and professional interests lie in the creation of a smart, resilient and sustainable built environment.

As an interdisciplinary academic, Julie works in the cross-cutting fields of digital engineering that link model-based design and construction with intelligent operations and maintenance, resulting in smart built environments. Research impacts originate from innovative contributions to the theory and praxis of sustainability, with the goal being to advance data-driven processes, and inform the policy and practice of smart property development, construction and operations. As the co-founder and Director of Research for the not-for-profit International Intelligent Building Organisation (IIBO), Julie aims to make a difference and help industry push the frontiers of digital building capabilities. In this role Julie is leading the development of the Intelligent Building (IB) Index, a multi-criteria performance assessment method for measuring the intelligence of smart buildings and precincts. Julie is also an active member of a number of academic and industry committees, including the Technical Education Committee in the Australasian BIM Advisory Board (ABAB), a core member of the BIM Excellence (BIMe) Initiative, SYDBIM Consortium, and Intl. Federation for Information Processing’s PLM Working Group (WG 5.1). In the Faculty of Engineering and IT, Julie is teaching studio-based and industry-engaged courses on Digital Engineering and BIM, including under- and postgraduate subjects in 3D modelling, model-based co-ordination, 4D construction scheduling and simulation, and BIM management. Julie has published in the fields of design science, engineering design, BIM, through-life knowledge and information management, multidisciplinary design optimisation, and artificial intelligence.

Dion Moult

Emerging Digital Engineering Manager at Lendlease

Dion has more than 15 years of experience working in open source software and software development. In the past he has been involved with the following open source software projects: Blender, KDE, Gentoo Linux, Radiance, OpenStreetMaps, OpenStreetCam, and FreeCAD. 

He has a M. Arch and has worked in large architectural and construction firms.  Since August 2019, Dion has had the opportunity to develop the BlenderBIM Add-on. The objective of the BlenderBIM Add-on project is to provide a complete, Native IFC, free software pipeline to replace proprietary software in the architecture, engineering, construction, and facility management industries.  Dion is also one of the founders of the Open Source Architecture (OSArch) community. This active community, with more than 1000 members, has a forum, chat group, wiki knowledge base, news site, monthly presentations and training resources, to support an ecosystem of 100+ open source software developed for the AECO industries.

Jon Mirtschin

Director at Geometry Gym
Director, buildingSMART Australasia

Jon brings technical and practical openBIM experience to the buildingSMART Australasia Board, that helps facilitate a stronger awareness and successful adoption of openBIM for clients and projects in Australia. In 2018 Jon supported the buildingSMART Australasia board with organisation and execution of the “openBIM: Getting It Right” technical workshops.

Jon has a proven track record in achieving practical outcomes using openBIM standards and technologies. He has opensourced his C# IFC toolkit for reading and writing IFC files (view on GitHub) and taken a leading role on prototyping technologies such as ifcjson and applying version control such as git to an ifc repository. He is a member of the Building Smart International Model Support Group, providing sample files for the technical documentation and testing proposals for IFC improvements.

Maciej Wypych

CTO and Co-Founder of Modmation

Maciej Wypych brings a wealth of knowledge and experience in Building Information Modelling and Management, Project Management and Computational Design to the Team.

With several years of experience in the architecture and building industry in Australia and the UK. He brings extensive knowledge in architectural design technology, parametric 3D modelling and the rationalization and delivery of complex designs

Maciej is passionate about improving efficiency at every stage of the BIM process with automation and building lasting relationships with his clients. He has extensive experience in designing and managing projects in a variety of roles in Australasia and Europe

Maciej is also a Co-Founder of the Dynamo User Group Sydney, a Sessional Lecturer at the University of NSW, certified BIM Manager with BIMcreds, and a sought-after Author and Speaker at BIM-related conferences.

Dr Robert Doe

Lecturer: Architecture, University of South Australia

In his architectural practice, teaching and research Dr Robert Doe has pursued methods and examined technologies that improve interaction between participants engaged in the design and production of buildings. In practice he has led integrated project teams on complex urban residential projects, and has also co-directed a company which manufactured prefabricated components and modules. In teaching and research, he has focussed on computational design methods which improve building lifecycles, from conceptual to design development to the operational stages. He firmly believes that new thinking is required to resolve seemingly intractable management and technological issues which challenge the design and making of smart buildings in the AECO sector.

Eric Bugeja

Chairperson, buildingSMART Australasia
Principal for Digital Integration and Capability, EIC Activities

Eric has been at the forefront in the application of technology to improve efficiency. His early engineering career was in the development of leading edge automation of manufacturing processes, applying technology to improve quality and speed of manufacturing processes. He was also an early adopter of 3D design and BIM (Building Information Modelling). Following this, Eric worked with a start-up company to transition out of R&D into large scale manufacturing. In the last ten years Eric has transitioned his skills from Manufacturing and applied this knowledge to transport infrastructure engineering and construction. Eric has a passion for technology and driving industry change. Working on the implementation and standardisation of Digital Engineering in Infrastructure, he is currently EIC’s Principal for Digital Integration and Capability supporting the CIMIC Operating companies which include: CPB Contractors, UGL, Leighton Asia, Thiess, Sedgman and Broad.

Oystein Ulvestad

Digital Delivery Lead, Arup

Oystein Ulvestad specializes in model-based engineering, drawing-free design and parametric design of bridges. In 2017, his team designed the world's first concrete bridge built without blueprints. In 2020, the team started design on the Randselva bridge, which today holds the record as the longest bridge in the world designed and built without drawings, based exclusively on BIM models. Randselva bridge won Trimble Global BIM awards for best BIM model in the world 2020. 

Pooya Saba

Director, Road Design at Department of Transport and Main Roads

• Registered Professional Engineer of Queensland (RPEQ) • Senior Road Safety Auditor, Transport and Main Roads Queensland • Queensland Main Roads accredited Traffic Management Designer

• Chartered Professional Member, Institution of Engineers Australia (CPEng)

Sandra Lang

Director - Digital Engineering, Systra ANZ
Director, buildingSMART Australasia

After 2 decades in the construction industry in Germany where she was at the forefront of early 3D project initiatives, she transitioned to the transport sector leading on client-side the BIM and Asset Information delivery of the Doha Metro project. She has also been involved in major global transport projects like the UK's High-Speed Rail and the Sydney Metro West and Sydney Metro Western Sydney Airport projects in Australia. As a female with a leading position in a traditionally male-dominated field, Sandra brings diversity and fresh insights to the Board.

With over 30 years of experience in digital transformation, Sandra’s professional journey has been deeply rooted in the international construction and transport industries. She holds a master's degree in Global BIM Management with a specialized focus on openBIM implementation. Currently leading the Digital Engineering team for SYSTA ANZ, she is also an integral part of SYSTRA's corporate Digital Engineering team, leading their Digital Twin innovation stream.

John Mitchell

Director at CQR and Owner, CQR

In my role as buildingSMART Australasia Chairman and engagement with buildingSmart International I've developed a wide set of local and international, industry & government contacts and experts in the fields of BIM and Digital Engineering, in areas of asset management, product data, sustainability, compliance checking and automation.

My current interest is the integration of multi-disciplinary facility and land (GIS) data, not only at a single building scale, but over urban extents to model cities and larger urban contexts using building model server technology. My early years of experience as an architect specialising in health facilities gave me a robust grounding in the challenges in complex building design.

Jim Plume

Director and Company Secretary, buildingSMART Australasia

An active member of buildingSMART Australasia for many years and a partner of the working group that drove the development of the current National BIM Initiative, Jim has had a career-long interest in BIM. Starting with a Research Masters during the late 1970s that demonstrated the concept of 3D building modeling technology, Jim’s research in the area saw him offered an academic post at UNSW from 1981-2012. Whilst retired from university teaching, Jim remains an active member of the industry as a current member of the Australian Standards Mirror Committee appointed to a number of ISO Working Groups delivering continual improvement on BIM standards, and the buildingSMART International Infrastructure Committee currently focused on coordinating new work to extend the IFC data schema into the infrastructure space. Jim’s BIM vision is to engage the industry in greater and more effective use of BIM across both public and private procurement in Australia and New Zealand.

Holger de Groot

CEO & Founder Director, Modmation
Vice Chairperson, buildingSMART,

Holger is not only passionate about the implementation of BIM in the design and documentation phase, but he also has a strong link to the Digital Engineering side of projects, having participated in and managed projects in a variety of roles in Australasia and Europe. Holger is also a Sessional Lecturer at the University of NSW, registered with the Chamber of Architects of Lower Saxony (#020262) in Germany, certified BIM Manager with BIMcreds, and a sought-after author and speaker.

Holger is the CEO and Founder of Modmation, offering independent BIM and Digital Engineering consultancy services to the AECO industry. Holger has previously led the BIM implementation while employed at HDR as their National Director of BIM for the Australian region, and at Grimshaw Architects as their Office BIM Manager for the Sydney studio. At both, he was responsible for interacting with various disciplines and advising on BIM matters at all levels.

Gavin Cairns

Principal Designer (CADD Systems)

Experienced BIM professional with a strong background in developing and implementing BIM workflows for infrastructure projects, particularly within the context of TMR Bridges using openBIM.

My expertise lies in the validation of asset management information within Project Information Models (PIM) throughout a project's lifecycle. Employing openBIM workflows, we ensure the accuracy of data received from the supply chain before integration into our asset management systems upon receipt of the final Asset Information Model (AIM).

As I continue to advance in my career, I am passionate about collaborating with organisations and professionals from various sectors to harness the potential of BIM for enhanced project outcomes and long-term success.



Day 1

– Technical Short Course

Core buildingSMART technologies - IFC, IDM/MVD, BSDD and BCF

Holger De Groot

What you will learn...

Industry Foundation Class (IFC) - What is IFC and Why IFC? Benefits of IFC

Information Delivery Manual and Model View Definition (IDM / MVD)

buildingSMART Data Dictionary (bSDD) & BIM Collaboration Format (BCF)

Application of buildingSMART technologies including IFC4.3

Scott Beazley & Jon Mirtschin

What you will learn...

IFC 4.3 New Classes, Attributes, Relationships and Class Hierarchy

IFC4.3 Software tools

IFC Model Setup and Information Delivery Manual​ and Information Delivery Specification (IDS)

John Mitchell & Dion Moult

Exporting and Importing IFC Files​ - Verification of Requirements

Dion Moult & Jon Mirtschin

Making better IFC - Introduction to BlenderBIM & Coding

Dion Moult

OpenBIM Project Solutions & BSA feedback session

Expert Panel

Participants will get the opportunity to discuss challenges and solutions in the implementation of openBIM on their projects and provide feedback to buildingSMART on what BSA should be addressing in the future

Vendor sessions

led by bSA leads

What you will learn...

AEC vendors including Vectorworks and ArchiCAD (Graphisoft)  will undertake software specific session where they will discuss how to work with open standards such as IFC within their own software.

IFC Project Showcase

John Mitchell

What you will learn...

buildingSMART International 2022/23 Award Winners and Best Practices

Wrap Up & Networking Drinks

Ian Howell (BSI Chair) and Eric Bugeja (BSA Chair)

What's included...

Certificate Awards

Networking Drinks

Day 2

– Conference

Welcome & Introduction

Eric Bugeja - buildingSMART ANZ

Conference welcome

Keynote - The future of buildingSMART

Ian Howell - Chair of buildingSMART International

Hear about the future of buildingSMART and how open standards are being used around the world, directly from the Chair of buildingSMART International.

IFC4.3 Update

Jim Plume - Director and Secretary of buildingSMART Australasia

Hear the latest about IFC4.3 from BSI infrastructure working group lead and buildingSMART Australasia Director , Jim Plume...

BIM Update - QLD Transport & Main Roads

Pooya Saba - Director (Road Design), Gavin Cairns (CADD Systems)

Pooya will provide an update overview of where TMR are with BIM implementation; which will by Gavin’s expertise with BIM for Bridges published content and the future direction with Civil works. TMR will also discuss the work they are doing with buildingSMART Australasia in the IFC realm

A modern conundrum - Can we deliver our projects - without drawings?

Oyestein Ulverstad (Arup) & John Legge-Wilkinson (Arup)

If a picture tells a thousand words – how much value does a model bring? 

Our role as designers is to communicate our design with all other parties in a project.  Use of advanced digital tools allow our teams to communicate more effectively with the client, stakeholders, construction, fabrication, and site teams essentially rendering drawings irrelevant, leading to the big question …  can we deliver our bridge projects without the use of design drawings? 

Oystein will present and outline how Scandinavian countries like Norway have used a model-based delivery approach (without drawings) for the design and construction of major bridge and infrastructure projects such as the 634m Randselva Bridge in Norway designed by Sweco, leading to a 10% reduction in construction costs compared to a traditional drawing-based approach. Oystein will also show how this drawing free workflow has been successfully used for smaller more traditional bridge projects.  

John will outline how a similar mindset has been adopted for the design and construction of bridge projects such as Eumemmering Creek in Melbourne and the value that comes by providing more detail such as 3d rebar and 3d steelwork connections in the design model helping to streamline the design and construction process reducing risk and saving time in the delivery programme.

Navigating openBIM and ISO 19650: The National Gallery of Victoria (NGV) Contemporary

Maciej Wypych (Modmation)

This case study provides a comprehensive analysis of the ongoing development of the National Gallery of Victoria (NGV) Contemporary project, emphasizing its innovative and technologydriven approach. In alignment with ISO 19650 standards and guided by the principles of the Victorian Digital Asset Strategy (VDAS), the NGV Contemporary exemplifies the integration of multi-platform technologies, including Revit and ArchiCAD, within a comprehensive Common Data Environment (CDE) comprising the Autodesk Construction Cloud (ACC) and Aconex. NGV Contemporary, while still under development, represents a transformative addition to Melbourne's cultural landscape. It will be a landmark new gallery that celebrates the central role of art and design in contemporary life and culture. With up to 10,000 square metres of exhibition space, it will be one of the largest purpose-built museums of contemporary art and design in the Southern Hemisphere. Located in the heart of the transformed Melbourne Arts Precinct, NGV Contemporary will amplify Melbourne's leadership position as a global centre of architectural excellence, art, design, and creative innovation. Central to the success of the NGV Contemporary project is its openBIM approach. This open and collaborative Building Information Modeling (BIM) methodology fosters transparency, interconnectivity, and information sharing across various design and construction software platforms. It allows stakeholders to seamlessly exchange data, ensuring that all aspects of the project, from architectural design to construction planning and management, are integrated efficiently. In this case study, we explore into the details of NGV Contemporary's multi-platform, openBIM approach. We examine how ISO 19650 compliance and the strategic use of openBIM support the ongoing design and construction of this remarkable gallery. The project highlights the potential for openBIM to serve as a catalyst for streamlined project management, cost efficiency, and enhanced collaboration among stakeholders in the creation of cultural landmarks. The NGV Contemporary project showcases not only the capabilities of openBIM but also the power of collaborative technology in transforming cultural landscapes and advancing digital project delivery. 

Leveraging BIM for low-carbon design

Sandra Lang - Director - Digital Engineering (Systra), Director buildingSMART ANZ

With 39% of global emissions coming from buildings and their construction, we need to decarbonise the way we design and build to bring our emissions down to meet net zero targets. Assessing the carbon footprint of infrastructure is more complex than doing so for buildings.

To do this, urgent and ambitious action is required and we, as engineers, architects and consultants have an important role to play.

Most of the carbon footprint is locked in at the conclusion of the design process as designers don’t have the right information at the right time to evaluate the Carbon impact of their design decisions.

At SYSTRA we believe that we can make a significant difference by having low carbon solutions at the heart of our design process.

During this session we will present our approach to sustainable design and the innovation that has been implemented with CARBONTRACKER, which is a tool that supports our sustainability commitments by predicting and measuring the carbon impact of each step of the design process, providing engineers with real-time CO2-emissions information that can be taken into account during decision-making.

The aim is to demonstrate during the session how CARBONTRACKER can:

•help Engineers to perform low carbon design,

•help project delivery teams to have all the required information to drive CO2 trajectory and meet CO2 reduction objectives,

•help Clients and Project Management Consultants to set an ambitious CO2 Baseline and monitor their achievement during all design stages and across the supply chain.

AECO Ecosystem Interoperability

Dr Robert Doe (University of South Australia)

This talk reports the findings and conclusions of recent research into substandard performance between information systems and applications which remain a problem for the Architecture, Engineering, Construction, and Operations (AECO) sector, and lead to significant economic, social and environmental costs. The sector suffers from poor interoperability because it lacks a holistic ecosystem for exchanging data and information. As a result of collaboration between the University of South Australia (UniSA), GHD and DBM Vircon this research extends understanding of issues which affect ecosystem interoperability in the AECO sector. Research questions guided a review, survey, semi-structured interview, focus group meeting, and interpretation of the results. The authors believe that incorporating AECO sector industry partners' views is essential for meaningful proposals to emerge. Open questions asked of industry partners received candid responses and confirmed key issues including: the need for the Industry Foundation Class (IFC) to be fully interoperable; the side effects and impacts of vendor lock-in; integration problems caused by multiple Common Data Environments (CDEs); handover data and information challenges; the impacts of poor interoperability on sustainable development. Through engagement with industry this research offers better understanding of interoperability challenges in the AECO sector and has generated more meaningful actions and solutions capable of improving the sector’s data and ecosystem interoperability.

Other sessions to be announced soon

Closing & Networking Drinks


University of Technology Sydney (UTS) Aerial Function Centre and Labs

Day 1 is hosted at UTS Computing Labs at the Faculty of Engineering & IT and will close with a networking session. Classes will be capped at 60 participants.

Day 2 will utilise the Aerial Function Centre. Capacity will be approximately 200 attendees based on proposed configuration.

2m x 2m exhibition spaces will be provided amongst the area attendees will have lunch and networking drinks (*no. of spaces to be confirmed and subject to availability).

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