Highway Engineering Australia V54.4 June 2023

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AT THE CUTTING EDGE OF CONNECTED MOBILITY

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ABN 85 007 693 138 PO Box 510, Broadford Victoria 3658 Australia Phone: 1300 EPCGROUP (1300 372 476) Int'l: +61 3 5784 2210 www.epcgroup.com Publisher and Managing Editor Anthony T Schmidt Phone: 1300 EPCGROUP (1300 372 476) Mobile: 0414 788 900 Email: ats@epcgroup.com National Advertising Sales Phone: 1300 EPCGROUP (1300 372 476) Int'l: +61 3 5784 2210 Email: ats@epcgroup.com

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Editor’s Column

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Industry News

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Cover Feature: Directed Technologies Mobility

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Special Report: Gender Equity in Engineering

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Innovative Solutions

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Equipment Focus

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TCA News

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Electric Vehicles

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Road Safety

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National Precast News

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Tunnelling

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About the Cover Nestled amongst the massive freight forwarding, logistics and warehousing facilities that dominate the local landscape, Directed Technologies’ new $15 million Connected Mobility Innovation Centre is helping to cement Australia’s reputation as a global leader in connected mobility.

Turn to Page 8 for the full story.

EDITOR’S COLUMN

THE 15-MINUTE CITY…

REDUCING MUCH MORE THAN COMMUTER TRAVEL TIMES Dear Readers, While the post-pandemic move back to CBD offices is taking much longer than expected, the majority of people in Australia’s capital cities (and an alarming number of major regional centres) are already once again facing ever-increasing daily commute times to and from their place of employment.

Indeed, for commuters in our five major capitals, a daily commute time of 30 minutes would be considered ‘a dream run’, with average commute times now running at 60 minutes or more. Even at 30 minutes each way, it equates to a minimum of 5 hours per week (or 200+ hours per year for an average work year) just to get to and from work.

Unfortunately, for many, it’s considerably more than that, with daily commutes of 4560+ minutes each way not uncommon. And it’s not just about the time – it’s also about the cost! With fuel, vehicle running costs, and for many, the added burden of tolls, commuting has also become a significant household budget item for most families.

While mandatory ‘work from home’ rules did overcome traffic congestion issues almost overnight, it is also important to remember that for many having to work from home was both onerous and challenging on many levels.

With that in mind, I want to make it clear that I’m not suggesting a return to ‘work from

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home’ or for that matter, the elimination of CBD office spaces or centralised commercial/ industrial areas. After all, it is neither practical nor for that matter, desirable to suggest ‘abandoning the cities’ or eliminating planning or land use guidelines. As well as being completely wasteful and pointless, it would also result in an economic crisis for the building, construction, and real estate sectors.

What I am suggesting, however, is that the experience of the COVID-19 restrictions (both across Australia and globally), especially in terms of reducing traffic congestion, pollution and wasted commute time, should provide us with a major catalyst for rethinking the way many of us live and work – especially in terms of how far we travel to and from our primary place of employment.

While the concept of ‘The 15-minute City’ (where cities are designed so the majority of residents can live within 15 minutes of their workplace, essential shopping and recreation facilities) is not new, the glimpse of a less polluted and less congested world offered by the COVID-19 shutdowns has once again brought the concept back to the fore, with many arguing that it delivers a significant amount of benefits for residents and the planet alike. Benefits that extend well beyond a reduction in commute times and costs.

Reduced pollution, reduced carbon emissions, an increased opportunity to

move to Electric Vehicles and improved opportunities for localised transport options such as shared MaaS (Mobility as a Service) models, reduced ‘commuter stress’, improved work-life balance, expanded economic opportunities… the list goes on.

For Australia, I believe ‘the 15-minute City’ concept also presents us with a valuable opportunity to start decentralising our population growth away from the major east coast capitals.

While it’s clear that there are many more things to be considered when it comes to rethinking the design of our cities and regions than a simple one-page editorial will allow, I believe that as long as it’s not developed as a ‘prescriptive control’ – rather encouraged through favourable land-use, planning and zoning cooperation, with tax incentives for home and/or hub offices, shared facilities, Electric Vehicle purchases and choosing MaaS services over private vehicle use – the ‘15-minute City’ model can play a significant role in improving many peoples’ quality of life, while at the same time significantly reducing our impact on the planet.

Anthony T Schmidt Managing Editor

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INDUSTRY NEWS Image courtesy: SA Department for Infrastructure and Transport

Works continuing to upgrade Adelaide’s Heysen Tunnels Work on the refit of Adelaide’s Heysen Tunnels is continuing to ensure they continue to service South Australia for decades to come. Following successful investigation works over the past 2 months, the main construction phase got underway during May. The Australian and South Australian governments have jointly committed funding towards work as part of the South Eastern Freeway Upgrade Project. The tunnel refit work will address current elements that are at the end of their service life to improve safety, traffic management and incident response capabilities.

The scope of works includes: • upgrades to the tunnel lighting to a new LED system;

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installation of a new automated fire suppression system; upgrades to the tunnel ventilation system; repairs to the tunnel lining and installation of monitoring equipment; upgrades to the Intelligent Transport System (ITS) equipment including thermal incident detection systems, new and replacement CCTV, electronic speed and messaging signage and over height vehicle detection; upgrades to the traffic management system to restrict access to the tunnels in the event of an emergency incident; and upgrades to emergency communication systems, including public address, radio rebroadcast, in-tunnel signage and help phones to improve safety and network reliability.

AfPA Calls for Greater Collaboration to Address Workforce Participation and Labour Shortage Crisis

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McConnell Dowell Constructors (Aust.)

Pty Ltd has been appointed as the Managing Contractor for the works and where possible, local sub-contractors and suppliers will be engaged to deliver packages of works.

Over fifty-thousand vehicles travel through the tunnels each day, with approximately 10% of these being heavy vehicles. To minimise the impacts on road users during the project, the majority of works are being undertaken Sunday to Thursday between 7pm and 6am. It is not anticipated that works will be undertaken on Friday and Saturday nights or public holidays, however, advance notice will be provided by on-site messaging boards if this changes.

During the works, the Adelaide-bound (down-track) tunnel will close between 8pm and 6am (with traffic restrictions from 7pm). During these closure times, the Crafers bound (up-track) tunnel will accommodate traffic in both directions via contraflow.

As work progresses, closures will alternate between the up-track and downtrack tunnels until completion in late 2024.

During the works, speed will be restricted to 40km/h in both directions on the approach to the tunnels and through the open tunnel. From 6am each morning, traffic arrangements will return to normal, with posted speed limits to be reinstated for both carriageways.

For more information visit: https://dit. sa.gov.au/infrastructure/road_projects/ heysen_tunnels_refit_and_safety_upgrade

The Australian Flexible Pavement Association (AfPA) has called for greater collaboration between Government and industry in light of the recent launch of its Diversity and Inclusion (D&I) Roadmap. The Roadmap sets a new strategic direction for the flexible pavement industry as a whole, aiming to attract a diverse range of new entrants to diversify the sector and address the prevalent skills shortages stifling the industry.

The Roadmap tackles crucial industry challenges that have come to light, including the importance of gender equity and workforce diversity to create sustainable and long-lasting change, not only for the flexible pavement industry but also for the building and construction sector more broadly. AfPA has called on the Federal Government to apply the Roadmap on a national scale to establish consistent standards, procedures, and guidelines that promote best practices and ensure uniformity in delivery.

The Federal Budget’s upcoming changes to the Australian Skills Guarantee, taking effect from 1 July 2024, will ensure

INDUSTRY NEWS

the increased representation of female apprentices on tenders, a focus that will ensure the industry can not only address the current skills shortage but also create a diverse pipeline of skilled professionals for the future.

While the need for gender diversity in the roadwork and construction industry is clear, the reality is that the sector remains heavily male-dominated in Australia. Despite women comprising 47.9% of the Australian workforce, only 13% of the construction workforce are women, a figure that shrinks to single digits when focused on trades.

AfPA identifies within the Roadmap that fostering a dynamic and inclusive work environment that welcomes young people and underrepresented groups is equally important to industry improvement and growth.

To address critical skill shortages across the industry, AfPA believes that promoting and attracting new entrants while retaining current workers is essential. However, diversity and inclusion require proactive leadership, accountable commitments, cultural change, and measurable outcomesbased initiatives.

AfPA proposes a set of initiatives and strategies that aim to increase awareness and break down barriers to participation among underrepresented groups, such as: • AfPA Diversity and Inclusion Charter, a senior leadership national commitment to recognise and support a diverse and inclusive workforce and lead best practice strategies essential to industry.

• AfPA National Knowledge Exchange Program, designed to engage all educational establishments in raising awareness and highlighting the benefits of young people entering the flexible pavement industry.

• AfPA Diversity and Inclusion Mental Health and Wellness Program, designed to assist in mentoring and establishing mental health and wellness standards across the industry.

To reinforce the industry's commitment to training, AfPA has also launched its Industry Skills Card, an 11-part qualification initiative. Already supported by the NSW State Government, the Industry Skills Card was created to train and support better career development for industry workers in a sector facing a skills shortage at a time of

unprecedented demand for infrastructure projects and repairs. AfPA has called on more Governments across Australia to adopt the Skills Card on a national scale to ensure unified industry standards for skills recognition within the flexible pavement industry.

“We invite the Federal Government and industry bodies in the flexible pavement and roadwork sector to nationally endorse training initiatives like the Diversity and Inclusion Roadmap and the Industry Skills Card.

We see the Diversity and Inclusion Roadmap as a way forward, but not the last step in addressing gender inclusion and diversity in the flexible pavement industry. Diversifying our workforce is not just a matter of social justice; it is also essential for driving national innovation and capability in our sector.

The roadwork and construction sector are in a transitional phase, and we welcome organisations to join in acknowledging the barriers to inclusivity in an industry that needs women, young people, and minority groups as well as the retention of the workforce to increase productivity.”

For more information, visit: https://www.afpa.asn.au

People & Projects Awards Acknowledging and rewarding engineering excellence.

Nominate a person or project for their conspicuous service to the engineering profession.

Nominations close 4 July engaus.org/awards →

June 2023 | Highway Engineering Australia 5

INDUSTRY NEWS

PICTURED LEFT: The Rozelle Interchange Project's award-winning team of trained Mental First Aiders.

Easy to identify on site thanks to their uniquely colourful high-vis shirts, the First Aiders provide on-the-ground mental health peer support.

The Rozelle Interchange Project honoured for suicide prevention work The Rozelle Interchange Project has received the Workplace Award at the R U OK? 2023 Barbara Hocking Memorial Awards. The awards recognise those who help create a world where we are all connected and protected from suicide and are presented in five categories: Workplace, Education, Community, Conversation Leader, and Young Conversation Leader.

The judging panel recognised the outstanding contribution The Rozelle Interchange Project is making to suicide prevention work through building an R U OK? Culture within its workforce.

The Rozelle Interchange Project is an infrastructure joint venture between John Holland and CPB Contractors. Both organisations have committed to address challenges of mental health and suicide prevention for staff, sub-contractors and their families. The Project recognises that ‘prevention is better than cure’ and focuses on three pillars; trained mental health first aiders, trained management, and all of project personnel engagement.

Across The Rozelle Interchange Project, there are now 230 trained Mental First Aiders who wear uniquely colourful high-vis shirts and provide on-the-ground peer support.

In parallel, training has been held with the Project’s management team to ensure they are able to identify and respond appropriately to staff needing further support.

Announcing the award as a virtual ceremony, R U OK? Community Ambassador, Mostapha Kourouche, congratulated The Rozelle Interchange Project team for their workplace efforts.

“The Workplace Award recognises organisations that are building a culture where everyone feels safe, supported, and encouraged,” said Mr Kourouche. “The Rozelle Interchange Project has helped those at John Holland, CPB Contractors, and their families feel more supported and connected when they are going through a tough time, and we commend them for their work to build an R U OK? Culture on the site.”

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In 2019 R U OK?Day was among the first initiatives to engage all of the project personnel on site, and since then, the project has marked R U OK?Day, Movember, Mental Health Awareness Week and Mates in Construction as part of ongoing efforts to promote an on-site culture of making every day the day to ask, ‘are you OK?’.

The Barbara Hocking Memorial Awards were first presented in 2019 in memory of the late Barbara Hocking OAM. “Barbara was a fearless mental health advocate and campaigner,” said Katherine Newton, R U OK? CEO. “Her leadership and achievements had a positive impact on how people living with mental illness and their families are treated and regarded in Australia.

“These awards honour her lifelong commitment to peer support by highlighting the opportunity we all have to make a difference to those in our world.

“Barbara was one of the first leaders in the mental health and suicide prevention sector to recognise the merit of the R U OK? mission in breaking down stigma. Our nominees demonstrate the values she lived by every day.”

Details of all categories, finalists and winners for The Barbara Hocking Memorial Awards can be found online at: www.ruok. org.au/barbara-hocking-memorial-award

About the Barbara Hocking Memorial Awards The Barbara Hocking Memorial Awards are organised by suicide prevention organisation R U OK?, and recognise those who help create a world where we are all connected and protected from suicide.

Barbara Hocking OAM (d. 2016) was one of Australia's leading advocates for people affected by mental illness. Her leadership and achievements positively changed how people living with mental illness and their families are treated and regarded. Barbara was the first full-time Executive-Director of SANE Australia - a national charity working for a better life for all people affected by mental illness

through education and support, applied research and campaigning for improved services and attitudes. As well as being a Director of SANE Australia, she also served on the boards of Mental Health Australia and R U OK? The Barbara Hocking Memorial Awards aim to recognise and celebrate the people and organisations who have made an outstanding contribution to share the R U OK? message in their community and inspire others to become involved with R U OK? They also aim to encourage others to have regular meaningful conversations and invest more time in the people around them.

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R U OK? is a public health promotion charity that aims to inspire and empower everyone to meaningfully connect with friends, family and colleagues who might be struggling with life.

A renowned suicide prevention theory is that of Dr Thomas Joiner[1]. Joiner’s theory describes three forces at play in someone at risk of suicide, one of which is a decreased sense of belonging. This lack of belonging and sense of connection is what R U OK? are working to prevent.

R U OK?Day is an annual National Day of Action; held on the second Thursday of September (14 September 2023) and a reminder that every day is a day to start a conversation that could change a life.

R U OK? delivers free resources yearround that increase the willingness and confidence of all Australians to recognise the signs someone is struggling, start a genuine conversation and lend appropriate support. R U OK? also tailors these resources to meet the needs of targeted population groups and settings.

R U OK? draws on the valuable insights of those with lived experience in the development of all campaigns.

R U OK?Day was founded in 2009 by adman Gavin Larkin who tragically lost his father to suicide in 1995. Larkin (who died of non-Hodgkin’s lymphoma in 2011) wanted to spare other families the grief his family endured.

A spark of an idea has since become a nationwide community movement that encourages everyone to genuinely ask, ‘are you OK?’ and have a meaningful conversation with anyone in their world who might be struggling.

Conversation tips and crisis support contacts can be found at https://ruok.org.au [1] Joiner, T.E. (2007) Why People Die by Suicide.

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COVER STORY

AT THE CUTTING EDGE OF CONNECTED MOBILITY While to most passers-by, the Directed Technologies facility in the Melbourne Airport precinct may look much the same as many of the other facilities in this new major transport and logistics hub, nothing could be further from the truth. In fact, it’s fair to say that most of the heavy vehicle drivers passing the site on a daily basis (even those who may happen to notice it) would be completely oblivious to the important connection that this facility has to their industry – not to mention the many benefits it delivers to many major multinational vehicle manufacturers and society.

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estled amongst the massive freight forwarding, logistics and warehousing facilities that dominate the local landscape, this new $15 million facility is, without a doubt, a major ‘feather in the cap’ for Australian manufacturing, technology and ingenuity.

What’s more, it is helping to cement Australia’s reputation as a global leader in connected mobility. And while that in itself may seem

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somewhat of a bold statement, most who are fortunate enough to get a look inside this new high security global connected vehicle and IoT technology hub agree that it is the type of facility that would usually be more at home in Silicon Valley than metropolitan Melbourne.

Representing the next milestone in what is an incredible Australian business success story, the Directed Technologies Connected Mobility Innovation Centre is the

new frontline of Australia’s ‘next-generation’ automotive manufacturing industry – automotive tech manufacturing – where it’s not about manufacturing the chassis, body or wheels; it’s about designing and manufacturing the high-tech solutions and componentry that connects these vehicles and their operators (if they have operators), to each other, the road network, and the world... regardless of the brand.

(L-R): Victorian Minister for Small Business, Natalie Suleyman MP; Steve Siolis, CEO of the Directed Group; and Brent Stafford, Executive Director of Directed Technologies, inspecting the PCB production line at the new Connected Mobility Innovation Centre in Melbourne.

“We’ve built a world-class facility and developed innovative solutions for the world’s biggest transport companies that have allowed us to compete against global competitors – and win.”

This truly is a world-class facility, the importance of which cannot be overstated in terms of jobs, export opportunities and Australia’s standing in the global IoT, ITS and high-tech manufacturing sectors.

Working at the cutting edge of digital mobility technology, the Connected Mobility Innovation Centre is set to fuel the rapid growth of connected vehicle technology and IoT solutions that save lives, reduce emissions, and enhance productivity across Australia and around the globe.

“You don’t need to look to Silicon Valley or Europe for cutting-edge automotive technology,” said Steve Siolis, CEO of the Directed Group. “The idea that we don’t make great technology products in Australia is simply not true.”

“We’ve built a world-class facility and developed innovative solutions for the world’s biggest transport companies that have allowed us to compete against global competitors – and win.”

“Because of this team’s work, we deliver significant productivity and safety benefits to our partners and the environment,” he said.

“This facility is the only one of its kind nationally and one of the few full-stack solution centres of its kind globally. With all telematics solutions designed and built

right here on site, there will be significant local employment opportunities as we scale up around the globe,” Steve Siolis added.

Major global telematics and connected vehicle technology suppliers will no doubt be taking note, if not be worried about Directed’s rapidly expanding footprint from its humble beginnings in Melbourne to now where it is selling its advanced technology into 22 countries, and with this announcement a next wave set to hit EU and North American shores.

NEXT-GENERATION FLEET DIGITISATION

A Victorian-owned and operated company, Directed Technologies is known for its cutting-edge, factory-fitted connected solutions for a variety of fleet and passenger vehicles, including trucks, trailers, cars, motorbikes, and electric delivery vehicles.

The multi-award-winning company’s brandagnostic, cooperative approach to the development of software, hardware and ‘fullstack’ solutions has resulted in exponential growth across Australia, New Zealand and the Asia-Pacific.

The company’s locally-manufactured telematics devices are already used in over 2,500 vehicle fleets globally, including those of Australia Post and Ambulance Victoria,

as well as in leading truck brands like HINO, Mercedes-Benz, Kenworth, DAF, and IVECO. Directed Technologies has also been selected by renowned brands like Ford to export locally designed hardware solutions to the global passenger vehicle market.

Not surprisingly, Directed Technologies is also a ‘great Aussie export success story’, with the company’s homegrown technology now exported throughout 15 APAC countries, including Japan, South Korea, Malaysia, Thailand, Singapore, Guam, Indonesia, and Vietnam.

The new Connected Mobility Innovation Centre will advance Australia’s capabilities in next-generation fleet vehicle digitisation and electrification, while also providing a foundation for Directed Technologies to scale its APAC class-leading solutions to global markets. It will double the company’s local manufacturing capabilities in both telematics and IoT, allowing it to meet an ever-increasing demand for its high-tech products.

In welcoming the attendees at the official opening ceremony in May, Brent Stafford, Executive Director of Directed Technologies, highlighted the role that the new world-class operations centre is already playing in driving fleet safety, security and efficiency.

“I’m very proud to work in an Australian business that is transforming other

June 2023 | Highway Engineering Australia 9

COVER STORY

Working at the cutting edge of digital mobility technology, the Connected Mobility Innovation Centre is set to fuel the rapid growth of connected vehicle technology and IoT solutions that save lives, reduce emissions, and enhance productivity across Australia and around the globe.

businesses, including car and truck manufacturers, emergency services, freight companies, last-mile delivery companies and many of the world’s leading fleet operators through digital innovation.”

“The reinvigoration of the automotive industry in Victoria is accelerating, with datadriven solutions, as well as innovations in electric and hydrogen vehicle development and advanced materials manufacturing.”

“The opportunities in connectivity, data analytics and machine learning are right here on our doorstep. These opportunities will not only help to diversify the economy, they will also help solidify Victoria’s position as the centre of automotive manufacturing in Australia,” Brent Stafford added.

AUSTRALIAN INNOVATION AND LOCAL JOBS

Backed in part by the State Government’s Victorian Jobs and Investment Fund, the $15m state-of-the-art centre will place Victoria at the centre of global connected vehicle opportunities, driving the growth of digital skills and manufacturing capability by providing hundreds of jobs for highskilled workers across design, production, engineering and manufacturing.

Speaking at the official opening, Victorian Minister for Small Business, Natalie Suleyman MP said, “Partnering with Directed Technologies creates better innovation and stronger ties globally. But most importantly, it’s about creating jobs."

“We support businesses like Directed Technologies because they bring skilled jobs and investment to Victoria, which further cements our status as the nation’s advanced manufacturing hub.”

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“Our advanced manufacturing industry supports many small businesses along their supply chain – boosting the economy and creating local jobs. They’re the backbone of manufacturing in Victoria – leading the way nationally and globally. The technology that is created here, it truly a success story and one that we are absolutely proud of,” Minister Suleyman said.

These sentiments were echoed by the Member for Sunbury and Parliamentary Secretary for Transport, Josh Bull, who added: “Investing in innovation now will increase Victoria’s competitiveness and help create the industries and jobs of the future.”

Importantly, the new Connected Mobility Innovation Centre is already delivering a significant tangible economic boost, particularly in terms of generating new jobs.

Indeed, since its establishment, employment growth within the centre has more than doubled the company’s high expectations.

“This centre represents the launchpad to our next growth phase,” Steve Siolis said.

“At the time of planning this facility, we predicted aggressive growth in employment here from 100 people to grow to 200 people by the start of 2025.”

“I’m pleased to announce that we reached that milestone three weeks ago - a full two years ahead of schedule - and we now have a talented team of over 220 people employed here at the centre,” he added.

FULL-STACK SOLUTION CENTRE

Together with its focus on quality and innovation, one of the keys to Directed Technologies’ outstanding success and growth, has been its emphasis

on delivering ‘full-stack’ solutions that incorporate everything from software and hardware development, component and equipment manufacture, system integration, live monitoring, support and highly secure data management.

The Connected Mobility Innovation Centre currently manages over 200 terabytes of data, processing some 20 billion probe data points a day, including live video feeds, vehicle and driver behaviour alerts and efficiency measures, and vehicle fault codes.

It provides customers with a live view and advanced analytical insights of their people, vehicles, and assets across the global road

The company’s locally-manufactured telematics devices are already used in over 2,500 vehicle fleets globally, as well as in leading truck brands, including MercedesBenz, HINO, Kenworth, DAF, and IVECO.

COVER STORY

Directed Technologies is also working with renowned brands, including Ford, Nissan and Mercedes-Benz, to export locally designed hardware solutions to the global passenger and commercial vehicle market.

Directed Technologies developed and manufactured a customised multicamera and onboard telemetry system for Australia Post’s fleet of eBikes, motorbikes and electric 3-wheelers.

network to support fleet optimisation and driver assistance programs that reduce congestion, cut carbon emissions through fuel savings and, most importantly, save lives.

Rather than relying on aftermarket solutions which plug into the ODBII service port of vehicles, these Directed OEM approved solutions do not place the vehicle into diagnostic mode and risk interfering with the vehicle warranty, something of particular importance given the high cost of repairing or servicing advanced vehicle safety systems such as lane departure warning or automatic emergency braking technology.

Mr Ross Cureton Director of Product Planning at Paccar Australia the name behind the great Kenworth Trucks and DAF Trucks brands commented at the launch, “Australian transport is quite different to what it is overseas, and Directed understand that, and they know the needs of our customers, they have local manufacturing, so all those things combined make them an attractive supplier to us.”

The benefits of this full-stack solution approach is clearly evidenced in Directed Technologies’ awarding-winning solutions for Australia Post and Ambulance Victoria.

Data from the onboard telematics is transmitted in real-time to Directed Technologies’ central dedicated control room, which is monitored 24/7 by a trained incident response team.

AUSTRALIA POST ‘SAFE RIDER’ VIDEO TELEMETRY SYSTEM

For the Australia Post ‘Safe Rider’ Video Telemetry ITS System, Directed Technologies developed and manufactured a customised multi-camera and onboard telemetry system for Australia Post’s fleet of 20,000+ delivery riders.

Designed in collaboration with Australia Post, the world-first system is the largest single deployment of a vehicle telemetry system in Australia’s urban landscape.

Fitted to Australia Post’s fleet of eBikes, motorbikes and electric 3-wheelers, the system comprises a series of customdesigned, heavy-duty, lightweight, weatherproof and secure camera and telemetry components that monitor the

vehicles’ location, operating conditions and status. By combining vehicle safety metrics with event-based video information, incidents are recorded and available for rider coaching and protection purposes, providing verifiable evidence of events if required. In addition, the system features a panic/duress button and tilt sensors that activate a rapid assistance protocol in the event of accidents or other safety-related incidents, including dog attacks or physical assaults.

Data from the on-board telematics is transmitted in real-time to Directed Technologies’ central dedicated control room, which is monitored 24/7 by a trained incident response team who are able to provide assistance to delivery riders in the event of an accident or incident.

June 2023 | Highway Engineering Australia 11

COVER STORY

Directed Technologies has also developed an Australian-designed and built connected vehicle solution for Ambulance Victoria’s fleet of over 1,200 Emergency Service Vehicles.

The Directed Technologies system is also integrated into the onboard auxiliary systems in the back of the ambulance, as well as lights and sirens, and the secondary battery system, which is used to charge the defibrillator, ECG machines and other missionspecific components.

AMBULANCE VICTORIA CONNECTED VEHICLE SOLUTION

Working with the team from Ambulance Victoria, Directed Technologies has also developed an Australian-designed and built connected vehicle solution for Ambulance Victoria’s fleet of over 1,200 Emergency Service Vehicles.

Embedded within the vehicle’s electronics, the system monitors an array of data, including engine temperature, fuel status, battery health, service data, crash alerts and seatbelt warnings.

Uniquely, the system is also integrated into the on-board auxiliary systems in the back of the ambulance, as well as lights and sirens, and the secondary battery system, which is used to charge the defibrillator, ECG machines and other mission-specific components. This allows the system to generate unprecedented mission-critical telematics insights into ambulance operations, including data on safety system activation, light and

12 Highway Engineering Australia | June 2023

siren status, occupant detection and emergency equipment charging status.

Much more than just a simple vehicle tracking system, data from the Directed Technologies’ Connected Vehicle Solution is already fuelling a new suite of intelligent services, built through cloud-based data analytics and machine learning.

Importantly, the technology has been developed to allow rapid adaptation to other onboard digital CANbus signals as required, or for other emergency vehicle types. Indeed, while the system was initially developed using Ambulance Victoria’s Mercedes-Benz fleet, Directed Technologies have already adapted and integrated the system for Toyota, Ford, Volkswagen and Nissan vehicles.

Needless to say, being able to rapidly adapt and integrate this technology across a wide range of vehicle brands and types from across all global regions, provides Directed Technologies with unprecedented export opportunities.

LOOKING TO THE FUTURE Not surprisingly, despite the company’s numerous successes, world-leading high-tech solutions and staggering global growth, this is definitely not a company that ‘rests on its laurels’. In fact, the team from Directed Technologies is currently working on a number of new connected mobility solutions that look set to revolutionise everything from remote vehicle diagnostics and rapid response maintenance services, through to transport efficiency, traffic flow control and reducing heavy vehicle emissions through the provision of ‘green light corridors’.

ABOUT DIRECTED TECHNOLOGIES Directed Technologies is a digital innovation partner of choice, curating connected technology solutions at scale that save lives, reduce emissions, and enhance productivity.

Its global team design, manufacture and manage tailored end-to-end solutions for automotive, transport and logistics and other organisations on a digital transformation journey. Founded on deep industry expertise and an engrained culture of customer collaboration, its services span hardware, software, cloud services and business intelligence.

Headquartered in Melbourne Airport, Australia, with a growing global footprint, across, New Zealand, Thailand, South Africa, and Hungary, Directed Technologies' innovative automotive solutions are found in more than 2,500 vehicle fleets globally, including 25% of trucks on Australian roads being supplied with ‘factory fitted’ telematics systems designed and built by Directed.

The business continues to experience rapid growth, increasing its revenue by 45% year-on-year in FY22.

Directed Technologies is part of the Directed Group, which includes Directed Australia, a leading developer, supplier, and distributor of Mobile and Consumer Electronics across Australia and New Zealand.

Visit https://directedtechnologies.com.au for further information.

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ENGINEERING FALLING BEHIND OTHER STEM INDUSTRIES IN GENDER EQUALITY… BUT THERE ARE SOLUTIONS Over the past 25 years, the lack of gender equity within science, technology, engineering, and mathematics (STEM) in Australia and worldwide, has become more apparent. There have been numerous programs, plans and strategies drawn up to tackle the gross underrepresentation, but despite progress in other STEM industries, engineering is still falling behind. Without equal representation, engineering cannot achieve inclusive design or well-rounded problemsolving, which can lead to costly or time-consuming retrofits and revisions[1].

Hatch, an award-winning global multidisciplinary leader in delivering engineering, operational and development projects in the metals, energy and infrastructure industries, is seeking to address and rectify female under-representation in its industry ahead of International Women In Engineering Day on 23 June.

In 2019, Science in Australia Gender Equity revealed the percentage of women studying or working academically within the STEM industry. Natural and physical sciences had the highest proportion at 51 per cent, followed by information technology at 26 per cent. By comparison, engineering and related technologies had just 19 per cent of women proportionally.[2] This is not where the issue solely lies, as even when women are brought into the engineering workforce, the gender distribution of senior positions remains significantly imbalanced. Only seven per cent of CEOs and 21 per cent of senior managers in architectural, engineering and technical services are women.[3] Therein lies a catch-22: if entry-level female engineers do not see themselves represented in senior positions, they are more likely to feel disengaged and uninspired by their engineering career progression, and so the underrepresentation cycle continues.

However, this underrepresentation in engineering goes back even further, as girls at school have been discouraged from the subject as they enter their teenage years. The Workforce Gender Equality Agency asked girls and boys aged 12-17 whether they were interested in STEM subjects, only 36 per cent of girls said they were interested in engineering, compared to 61 per cent of boys. Comparatively, 64 per cent of girls and 70 per cent of boys said they were interested in science.[4] Duncan Mallord, Head of Diversity and Inclusion at Hatch, says firms should be inspired, and not dismayed, by engineering’s currently disproportionate workforce.

16 Highway Engineering Australia | June 2023

“We know that equity and equal representation can be achieved in engineering.”

“EngineeringUK announced in 2021 that 370,000 more UK women were working in engineering jobs than in 2010[5]. But it takes hard work and buy-in from across the board; it’s not just a tick-box exercise.”

“It is the responsibility of male engineers and male hiring managers to create a working environment that appropriately supports and recognises the integral contributions that female engineers can offer.

We need to start creating tomorrow’s role models today,” Mallord added.

TACKLING THE GENDER PAY-GAP IS FIRST STEP TO EQUITY In 2021, architectural, engineering, and technical services were one of the STEM industries with the largest gender pay gap, at 24 per cent, following oil and gas extraction (26 per cent) and metal container manufacturing (25 per cent)[6]. Since the gender pay gap refers to the average male salary across a business compared to the average female salary, the above data indicates that the roles with higher salaries, e.g., CEOs and senior leaders, are predominantly male. Duncan says addressing the disparity requires actively bringing more females into senior roles.

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Companies could also recognise the additional value in the ‘perspective’ that female engineers bring.

“If a male and female engineer are applying for the same role with the same level of experience and similar skill sets, the female candidate could bring additional value to the engineering team: that of a female’s perspective to the design process and increasing the diversity of thought. For this reason, engineering companies should offer the female applicant an equitable premium.”

According to the Australian Bureau of Statistics, female engineering graduates earned slightly more than their male counterparts for the first time in 2017. The median starting salary for female engineering graduates was $65,000, whereas for male engineering graduates, the median starting salary was $63,500.[7]

CREATING A WORKING ENVIRONMENT THAT SUPPORTS FEMALE DEVELOPMENT AT ALL STAGES OF THEIR CAREER Even with a higher entry-level salary, the pay gap remains, which can be put down to the lack of women in senior engineering positions. With only 73 per cent of architectural, engineering, and technical services organisations having a gender retention policy or strategy in place, more women are likely to leave during their tenure.[8] Duncan says: “While bringing in female engineers at entry-level roles is necessary, it’s a fruitless process if they leave after a few years due to lack of career opportunities or unsupported lifestyle choices.

Engineering companies need to provide female engineers with role models that can show a clear path for younger women to follow.”

“For example, women should know that they will be supported by the business if they choose to have children, and the best way to do that is to have a solid regime in place, which has been used by other engineers before them. To enable this, we need to encourage and support females to take on leadership roles and become influencers in the company.”

MALE ALLIES NEED TO STAND UP AND SPEAK OUT “Engineering has historically and notoriously been a boy’s club, and with that comes an increased likelihood of misogynistic remarks or actions,” Duncan said.

“While most male engineers recognise and value differences and welcome perspective of thought from everyone, some lack the wherewithal to incorporate actively inclusive actions or call out toxic behaviour,” he added. “Addressing unconscious bias should be part of every company’s mandatory training program.”

Duncan says: “It’s everyone’s issue. If we want the best team, project, result, and business, then it shouldn’t be left to a diversity and inclusion committee to work on it in their free time.”

“You don’t have to be female to acknowledge a female engineer’s contributions or back a female’s promotion application. In fact, I think one most important thing for D&I committees is to show that allies must educate themselves, speak up, and make a difference,” he concluded.

References [1] The Benefit of Designing for Everyone (centreforinclusivedesign.org.au) [2] Gender equity in higher education | SAGE (sciencegenderequity.org.au) [3] Workforce and gender equity policies in STEM and other industries | STEM Equity Monitor | Department of Industry, Science and Resources [4] Youth perceptions and attitudes to STEM | STEM Equity Monitor | Department of Industry, Science and Resources [5] Engineering Council (engc.org.uk) [6] Gender pay gaps in STEM and other industries | STEM Equity Monitor | Department of Industry, Science and Resources [7] 4125.0 - Gender Indicators, Australia, Sep 2018 (abs.gov.au) [8] Workforce and gender equity policies in STEM and other industries | STEM Equity Monitor | Department of Industry, Science and Resources

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INNOVATIVE SOLUTIONS

ZERO EMISSION OPTION NOW AVAILABLE FOR ANY SPMT TRANSPORT

AUTOLIV TO LAUNCH ITS FIRST MOTORCYCLE AIRBAG IN 2025 Autoliv, Inc., is pioneering improved safety for 200 million road users through its holistic approach to motorcycle and scooter safety. The first new motorcycle safety product to reach the market will be the bag-on-bike airbag, with production beginning in Q1 2025. The bag-on-bike airbag can significantly reduce the risk of serious injury for powered two-wheeler riders in frontal crashes.

The number of powered two-wheelers continues to rise, due to widespread urbanization and the practicality of powered two-wheelers.

Today, many scooters and motorcycles are equipped with advanced safety systems, such as ABS (Antilock Braking System) and ASR (AntiSlip Regulation), and the addition of airbags will be a further step in this direction. Powered two-wheeler riders have not benefited to the same extent as car occupants from the many developments in vehicle safety.

“Autoliv is committed to our vision of Saving More Lives and to providing world-class lifesaving solutions for mobility and society,” said Mikael Bratt, CEO and President, Autoliv.

“Therefore, we are developing products that specifically protect vulnerable road users, such as riders of powered two-wheelers. The development of these products is an integral part of our sustainability agenda,” Mr Bratt said.

THE BAG-ON-BIKE AIRBAG: A COMPLETE AIRBAG SYSTEM Autoliv's extensive research into powered two-wheeler riding behavior and crashes has resulted in two sets of solutions - on-vehicle safety solutions and on-rider safety solutions.

The first product to reach the market will be the bag-on-bike airbag, which is planned to go into production with the first customer in 2025.

“Our goal is to offer a complete and costefficient bag-on-bike system to facilitate the introduction of this technology for a wide variety of motorcycles,” said Jordi Lombarte, Chief Technical Officer, Autoliv.

18 Highway Engineering Australia | June 2023

“The Autoliv bag-on-bike airbag system will include an airbag and an optional in-housedeveloped electronic crash sensor to complete the system,” Mr Lombarte added.

EVOLVING SAFETY REGULATIONS FOR POWERED TWO-WHEELERS Cecilia Sunnevång, Vice President Research, Autoliv, said “To reach the global target of halving road traffic fatalities we need to increase the safety for powered two-wheeler riders.”

“Through working with real-life data, we understand the most frequent crashes and injury types and how to assess them in a laboratory environment.”

“Through virtual and physical testing, we have demonstrated the benefit of the airbag in frontal crashes, and we acknowledge that there is a need for additional solutions to cover more crash situations and rider behaviours," Ms Sunnevång added.

The safety of motorcycle riders is the focus of many regulators and consumer crash test organizations. Euro NCAP is targeting enhanced motorcycle rider safety by expanding vehicle crash avoidance testing to include powered twowheeler crash scenarios.

In Asia, the Malaysian Institute of Road Safety Research (MIROS) indicates that the rating of onvehicle safety solutions will be adopted in 2024 in their Malaysian Motorcycle Assessment Program (MyMAP).

ABOUT AUTOLIV Autoliv, Inc. is the worldwide leader in automotive safety systems. Through its group companies, it develops, manufactures and markets protective systems, such as airbags, seatbelts, and steering wheels for all major automotive manufacturers in the world as well as mobility safety solutions, such as pedestrian protection, connected safety services and safety solutions for riders of powered two-wheelers.

For more information, visit: www.autoliv.com

World leader in transporter technology Mammoet, is now offering a zero-emission option for any Self-propelled Modular Transporter (SPMT) compatible with any trailer in its fleet.

This development has been made possible through a conversion process for SPMT power pack units (PPUs), which replaces the diesel powertrain inside existing trailers with an electric alternative. Once retrofitted, each trailer combination has comparable power to existing industry standard units.

The PPU vastly reduces noise levels at project sites, resulting in a safer and more productive work environment for our customers and colleagues. With reduced noise, communication between staff is clearer, while at locations where sound restrictions are in place, longer operational windows are now possible.

The system represents another step towards zero-emission on-site, eliminating the carbon footprint of SPMT transport entirely. This allows SPMT to meet increasingly strict environmental legislation more easily, reducing the impact of transport phases on surrounding communities and infrastructure.

It also demonstrates Mammoet’s strong commitment to the energy transition and to its own sustainability. Retro-fitting existing SPMT fleets cuts down on both waste and additional fabrication when compared to sourcing new zero-emission equipment.

This solution was part-financed by the DKTI, a Dutch government program to develop climate technologies and innovations in logistics.

Mammoet worked with a leading provider of zero-emissions powertrains for heavy industry to bring the electric power pack solution to market.

Developed by Mammoet in 1984 and with over 40,000 axle lines in use globally, the SPMT, or Self-propelled Modular Transporter, revolutionized heavy industry by allowing practically any load to be transported and manoeuvred safely, efficiently and with precision.

The company believes that this next step in its story will be just as significant - reducing its CO2 and NOx emissions to nil and pointing the way towards a sustainable future for heavy transport.

To find out more, visit: www.mammoet.com

Whether it’s a TL-2 or TL-3 attenuator, your first question should always be:

IS IT MASH APPROVED?

With the ASBAP (Austroads Safety Barrier Assessment Panel) guidelines now requiring all new TMAs sold for use in Australia to be tested and approved to MASH Standards, one of the most critical questions for equipment purchasers to ask is: “Is it MASH Approved?”.

When it comes to Scorpion® TMAs, the answer is a resounding YES – for BOTH TL-2 and TL-3 attenuator.

In fact, the Scorpion II® Metro MASH TL-2 TMA is not only THE FIRST TL-2 TMA to be fully tested and approved to the latest MASH Standards, it is currently THE ONLY TL-2 Truck Mounted Attenuator to be successfully TESTED, PASSED & ELIGIBLE to the current MASH Standards.

So, whether it’s TL-2 or TL-3, when it comes to selecting a fully MASH tested, passed and eligible TMA that has also been ASSESSED, APPROVED & RECOMMENDED FOR ACCEPTANCE throughout Australia by ASBAP, the only name you need to remember is Scorpion® from A1 Roadlines.

THE EQUIPMENT YOU NEED – THE SERVICE YOU EXPECT A1 Roadlines Pty Ltd | 89 Rushdale Street, Knoxfield, Victoria 3180 | www.a1roadlines.com.au P: 1300 217 623 (A1ROAD) | E: sales@a1roadlines.com.au

INFINITY TESTING 'Infinity Testing’ is without a doubt the harshest method of testing the performance of a Truck Mounted Attenuator (TMA) during an impact.

NO RELIANCE ON ROLL-AHEAD DURING AN IMPACT Rather than relying on some of the impact energy being absorbed by the forward movement of host vehicle on which the TMA is fitted, with ‘Infinity Testing’ the host vehicle is anchored to the ground to prevent any forward movement during an impact.

TMA ABSORBS & DISSIPATES 100% OF THE IMPACT ENERGY Testing the TMA on a host vehicle which is anchored in place, tests – and for both the Scorpion II® TL-3 and Scorpion® II METRO® TL-2 TMAs – confirms the capacity of the TMA to absorb/dissipate 100% of the impact energy without the benefit of the host vehicle roll-ahead.

‘WORST CASE’ SCENARIO TESTING Compared to standard testing with an unrestrained host vehicle, Infinity Testing is a much tougher testing regimen.

It is considered ‘worst-case scenario’ testing which makes it much more difficult to meet the pass criteria for IS values, as all of the Ridedown Acceleration must be provided by the TMA absorbing the energy from the impact.

NO UPPER LIMIT FOR HOST VEHICLES From a practical standpoint, the fact that both the Scorpion II® TL-3 and Scorpion® II METRO® TL-2 TMAs were successfully tested to MASH Standards using the ‘Infinity Testing’ method, means both units are MASH certified with no upper weight limit for the host vehicle.

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THE ULTIMATE TEST OF ATTENUATOR PERFORMANCE HOW IT’S DONE With ‘Infinity Testing’ the host vehicle is anchored in place during the impacts to assess the TMA's capacity to absorb/ dissipate 100% of the impact energy without the benefit of roll-ahead.

WHAT ABOUT ROLL-AHEAD DISTANCES? Importantly, to emulate ‘real world’ operating conditions, both the Scorpion II® TL-3 and Scorpion® II METRO® TL-2 TMA have also been successfully tested and MASH certified using standard ‘non-anchored’ host vehicles, with both units posting impressively low roll-ahead distances.

Scorpion® II TL-3 TMA Crash Test: MASH Test 2-53 Impact Angle: 10.3 Degrees Roll-Ahead Distance: 5.1m

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Scorpion® II METRO® TL-2 TMA Crash Test: MASH Test 2-53 Impacting Vehicle Weight: 2295kg Impact Angle: 9.9 Degrees Impact Speed: 81.6km/h Roll-Ahead Distance: 12.4m

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EQUIPMENT FOCUS

BITUMEN CLEAN UP Our hardworking specialist road resurfacing contractors are faced with real challenges. The recent floods have not only created potholes in country roads but even the M2 approaches to the Harbour Tunnel in Sydney is desperately in need of resurfacing.

Now there’s a challenge! How to stop the traffic long enough to get that job done… and done properly so it doesn’t wash out next time we get heavy rain.

Unfortunately, it appears that a number of big projects like the Coffs Harbour Bypass, together with other major works in western Queensland, NSW and Victoria, may now be in danger of losing funding. At the same time, there are any number of projects (large and small) across the country that require roads to be built or rebuilt so that they will hopefully be impervious to what appears to be more frequent and more extreme climate changedriven floods.

DO IT ONCE - DO IT RIGHT! When you consider the devastating impact that torrential rains have had on the nation’s road network over the past year alone particularly in regional and remote areas - one has to ask why sufficient funding hasn’t been allocated to build a more ‘climate resilient’ road network – one with the supporting infrastructure that will enable it to better withstand the extreme weather events.

The first step, of course, is drainage. Without the proper drainage engineering being done in advance, even a good road, properly graded,

22 Highway Engineering Australia | June 2023

compacted and surfaced, will cause issues.

With the drainage and other supporting infrastructure in place, it comes down to good design and good engineering, followed by quality construction by skilled teams using quality materials and high-quality, wellmaintained equipment.

A BIG COUNTRY NEEDS GREAT ROADS A big country needs great roads… and building great roads takes skilled people, quality materials and specialist equipment that is capable of delivering results in what can be some of the toughest road-building conditions on the planet.

Fortunately, across Australia, we have many highly skilled infrastructure engineering and design specialists, as well as an abundance of road construction companies and contractors ready to answer Australia’s major road construction challenge.

Not surprisingly, as part of their efforts to deliver quality results while also boosting both productivity and worksite safety, many of these contractors have invested heavily in the world’s best equipment.

From earthmoving, profiling, compaction and grading equipment, through to hot mix tankers, paving machines, rollers, mobile asphalt production plants and, of course, a fleet of tippers and truck-dog combos of truly staggering proportions, there can be no doubt that high-quality, well maintained equipment plays a critical role in quality road building.

KEEPING HOT MIX EQUIPMENT CLEAN Needless to say, keeping this equipment clean not only plays a key role in keeping it working to its full potential, in many instances, removing the dirt and detritus from equipment is a necessity before the equipment is able to be maintained. This is a particular challenge when it comes to cleaning hot mix equipment, where cleaning generally can’t be achieved efficiently with cold water pressure cleaners.

With that in mind, one Australian company, Australian Pump Industries, has made a speciality of working with hot mix operators to deliver effective equipment cleaning solutions – producing a range of hot wash and steam cleaning high-pressure machines that will get the job done efficiently and at the lowest possible cost.

“Coming out of the earthmoving industry, we know about hot mix plants,” said Aussie Pumps Chief Engineer John Hales. John was a cadet engineer at Tutt Bryant’s Barber Greene Division back in the 1960s and 70s and knows what he is talking about.

“We always dreaded having to clean the equipment after a job especially when we had been out demonstrating the latest Barber Greene paver,” he said.

Aussie’s simple solution is to use highpressure hot water or steam to get the job done fast.

EQUIPMENT FOCUS

Working with big and small paving specialists, the team at Aussie Pumps have found that going from cold water to hot or steam machines can reduce cleaning time by an average of two-thirds.

“The heat simply melts the material, and when used in conjunction with a good degreaser, gets the job done fast,” said Hales.

IN DEPOT OR FIELD Although the majority of plant is taken back to the depot before being cleaned, Aussie Pumps has engineered a range of new machines that can carry out this cleaning task on the worksite - a key benefit when it comes to preparing a machine for on-site maintenance or repair.

One steamer, called the Aussie Heatwave, delivers 4000 psi pressure and up to 130° C steam. It’s mobile and, can be mounted either on the back of a ute or truck or, even pushed around the site.

The Aussie Heatwave machine comes in a heavy-duty stainless steel frame with wheels for mobility if required.

Most of these machines, many of which are operated by local government bodies, can perform a multitude of tasks for councils or earthmoving contractors. The Aussie Heatwave has a diesel-fired burner and uses a Honda 13hp electric start engine to drive both the pump and steam system. The ignition for the boiler comes from Honda’s 12v electrical circuit, making it a neat and cost-effective solution.

The machines can be fitted with a stainless steel hose reel with 30 or even 50 metres of high-pressure hose to suit the job. The hoses are rated at 5,000 psi and capable of operating with liquids at temperatures of up to 150° C.

Big diesel drive machines with more flow and pressure, are also available, however, some may require operators to be certified under the current Pressure Cleaner Safety Standards prior to use.

CLEANING AT THE DEPOT Cleaning at the depot can provide a degree of convenience as the high-pressure steamer can be permanently mounted in a wash bay and powered electrically. To that end, the Aussie Pumps team has also produced a hot steam cleaner capable of delivering 15 lpm @ 4000 psi, with temperatures up to 130° C steam.

“We tested the first prototype at Coates Hire Depot at Moorebank. They gave it a hammering and we checked on it every couple of weeks to see how it went,” said Hales.

The unit was then moved around to a number of other Coates Hire branches, and the positive feedback was unanimous… the operators liked the extra punch of 4000 psi which enabled to clean big plant faster thanks to the extra steam pressure.

“Everybody likes to work with clean equipment,” said Hales. “That said, nobody particularly likes spending hours cleaning equipment, and that’s why the Aussie Heatwave machines are so popular. They dramatically cut cleaning times, which helps to reduce overall servicing time and equipment downtimes. And they produce a great finish to boot,” John Hales added.

Established in Sydney in 1993, Aussie Pumps has been leading the way in pumps and highpressure equipment for over 30 years. Today, the equipment they produce is regarded as the most functional and highest quality in the industry.

Their high-pressure cleaning equipment is used by local governments, public and private sector organisations, and contractors large and small across the infrastructure, construction, mining, defence, fleet, and equipment hire industries.

For further information on Aussie Pumps’ “Hot Shot” range of high-pressure steam cleaning equipment, contact Australian Pump Industries High Pressure Cleaning Division, or check out their website at: https://aussiepumps.com.au

FREE ONLINE OPERATOR TRAINING COURSE Aussie Pumps also offers a free training program for high-pressure cleaning operators. The course is extremely thorough and is based Aussie Pump’s extensive experience in the design, manufacture and supply of high-pressure water and steam cleaning equipment to a wide range of industries.

The ‘Aussie Blaster Safe Operator’ course aims to inform users on the safe operation of Class A and Class B high-pressure water blasters to 500 Bar maximum pressure.

The course covers a range of key topics, including Australia Safety Standards for Operators, and high-pressure technology, as well as maintenance and operation of the machines.

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June 2023 | Highway Engineering Australia 23

TCA NEWS

COLLABORATIVE STUDY TO HELP UNDERSTAND MOVEMENT OF DANGEROUS GOODS VEHICLES A new industry-led data sharing initiative between Transport Certification Australia (TCA) and the National Bulk Tanker Association (NBTA) aims to provide better understanding of the movement of vehicles transporting dangerous goods and bulk liquids on the road network.

Speaking at the Bulk Tanker Day 2023 in Brisbane, TCA’s General Manager of Strategy and Delivery Gavin Hill said the new initiative builds upon the success of an earlier data sharing arrangement between TCA and the NBTA, which involved transport operators in the dangerous goods sector.

“What we found from the previous study was that many dangerous goods transport operators had not necessarily seen a macro view of their vehicles’ footprint across the network. So, instead of leaving that as a one-off study, we’ve decided to launch an

evergreen study, where we’ll work with the industry to make sure they get true benefits out of it,” Hill said.

A key aspect of this new initiative is that the types of dangerous goods being carried by vehicles will be collected. When combined with vehicle movement data, the collection of dangerous goods types will provide valuable insights into the movement of dangerous goods on the road network, Hill explained.

“We recognise that different operators may collect this information in different ways, and we’ll work with individual operators to ensure there’s a streamlined process to share dangerous goods load information with us.”

He also highlighted how the construction transport sector has established a data sharing initiative with TCA. “We currently have 2,000 construction transport vehicles sharing data with us. The

reports and analysis derived from the data being shared is helping the construction transport sector better understand the footprint of construction vehicles across the road network, to manage community and environmental concerns.”

A key foundation of all industry-led data sharing initiatives managed by TCA is the transparent consent arrangements, which fully disclose the purpose for which data is collected, how it will be used and importantly, how it will not be used. These arrangements, coupled with TCA’s independent role, are essential to establishing the trust necessary for transport operators to enter into voluntary data sharing initiatives.

FBT Transwest is one of the companies that have already signed up for participation in the study.

Cameron Dunn, FBT Transwest’s Managing Director and Deputy Chairman of the NBTA, said: “The important thing for bulk tanker operators is getting that granularity [of data]. We’re looking at inputting data on all dangerous goods classes that we carry, as well as milk and other non-DG liquids.

This is required so we can have an informed discussion about network access with the Department of Transport and Planning Victoria.”

Find out more about the Dangerous Goods Voluntary Data Study and how to get involved at: https://tca.gov.au/dangerous-goodsvoluntary-data-study/

TCA AT THE BRISBANE TRUCK SHOW Transport Certification Australia (TCA) attended the Brisbane Truck Show 2023 on 18-21 May, which this year received a record turnout from the heavy vehicle and road freight industries. It was particularly pleasing to see so many technology providers and suppliers recognised through the National Telematics Framework (NTF) at the Brisbane Truck Show and supporting the needs of the Australian transport industry.

A key area of interest for many was Smart On-Board Mass (OBM), and what’s required by transport operators to satisfy requirements in Tasmania, Victoria, New South Wales and Queensland. Show-goers were able to speak directly with five Smart OBM suppliers at the show, who offered different technologies to satisfy the needs of different users.

With an increased number of technology providers now participating in the NTF, coupled with the roll-out of new telematics schemes being activated across the country, TCA plays a key role in providing transport operators with easy-to-understand information and advice.

24 Highway Engineering Australia | June 2023

Each Certified Application Service Provider has pairing approvals with one or more Smart OnBoard Mass (OBM) supplier.

More information on the existing pairings between type-approved telematics devices and Smart OBM systems is available at: https://tca. gov.au/smart-obm-systems/

WHAT’S NEW IN TELEMATICS? TCA also joined with Heavy Vehicle Industry Australia (HVIA) to host a series of information sessions called “What’s New in Telematics?” at the Brisbane Truck Show. The sessions were targeted to provide relevant information to heavy vehicle operators, drivers and fleet managers about recent and emerging developments in telematics.

The speakers at the forums included Gavin Hill and John Gordon from TCA, Greg Forbes and Adam Ritzinger from HVIA, Wayne Dale from the National Heavy Vehicle Regulator and David McIntosh from Telstra.

The speakers used the opportunity to shed light on some of the pressing questions in the

industry, such as: “Are all telematics devices the same? Why does my Smart OBM need to be paired with a certified ASP? What is the telematics data collected from my vehicle used for? What will happen when the 3G network closes down in June 2024?”

The great turnout and the active engagement from participants indicate an appetite within the industry to learn more about telematics and data, and how digital technologies are now a critical dimension of modern heavy vehicle operations.

Wayne Dale, Product Manager Predictive Analytics at the National Heavy Vehicle Regulator was among the speakers at the forum.

TCA NEWS

AIRTEC’S NEW SMART OBM SYSTEM TYPE-APPROVED BY TCA Transport Certification Australia has announced that Airtec Corporation has obtained typeapproval for its new AXS Series (AXS101D and AXS102D) Smart On-Board Mass (OBM) system.

Smart OBM systems capture vehicle axle mass measurements as digital records, and can be used to improve productivity, compliance management and safety outcomes.

The new Airtec AXS Smart OBM system introduces new features when compared with earlier Smart OBM systems offered by Airtec.

A key feature of the ASX series is the use of a variable colour ring, which indicates whether an axle group is underloaded, loaded to legal limits of overloaded.

The Airtec TruckOBM app allows drivers to check their weights remotely from their smartphone.

Details of the new Airtec Smart OBM system type-approved by TCA are listed below:

David Hewett, Managing Director of Airtec Corporation, said: “The development of the AXS series Smart OBM system responds to the feedback we’ve received from customers.

We knew that the market needs an easyto-understand Smart OBM system, and have delivered a durable product that can endure the Australian road conditions and an integrated technology that just works.”

TCA’s General Manager of Strategy and Delivery Gavin Hill said: “TCA plays an important role in assessing the performance requirements of Smart OBM systems.”

Supplier

OBM system models

Smart OBM system Category

MSU* model

Airtec Corporation

AXS101D (single sensor) AXS102D(double sensor)

Category B

AXS

“TCA’s type-approval involves the assessment of OBM system ‘types’ against the performance-based requirements contained in the OBM System Functional and Technical Specification. Airtec’s AXS Series has met all the requirements put in place for a TCA type approval Category B.” “With the adoption of road access policies which rely on the use Smart OBM systems, in conjunction with schemes offered through the National Telematics Framework, the transport industry continues to benefit from new technologies and the latest product offerings to improve productivity and safety,” he added.

Find out about the three categories of type-approved OBM Systems (Categories A, B and C) which meet the needs of different stakeholders at: https://tca.gov.au/obm

Interested in offering typeapproved OBM systems through the National Telematics Framework? Talk to us, or visit https://tca.gov.au/typeapproved-obm to learn more.

*MSU means Mass Sensor Unit, which is the individual mass sensor fitted to each axle group.

FIRST IN-FIELD ASSESSMENTS BEGIN FOR INNOVATIVE TEMPORARY TRAFFIC MANAGEMENT DEVICES A solar-powered mobile traffic gate is amongst the first temporary traffic management innovations to be put through its paces as part of the Austroads Innovative Temporary Traffic Management Device and Solution Assessment (AITDSA) scheme.

AITDSA allows innovations used for temporary traffic management to be assessed and recommended for use in Australia and New Zealand. It responds to the emergence of new technologies, innovative solutions and devices which can be used to improve safety at work sites.

The solar-powered traffic gate will be assessed over a number of weeks at the Warringah Freeway Upgrade Project in Sydney, and the Oxley Highway in New South Wales.

The in-field assessment has been facilitated

by Craig Walker, Senior Manager, Temporary Traffic Management at Transport for NSW. Other in-field assessments being progressed through AITDSA include illuminated guidance technologies, temporary road surface covers and innovative approaches to manage temporary lane closures.

AITDSA in-field assessments are holistic and consider:

• environment parameters (the environments it can or cannot be used in); • operational arrangements (the conditions necessary for safe use); and • training requirements (the user training needed to ensure its safe use).

“The Warringah Freeway Upgrade Project offers the opportunity for day and night operations in an urban area where there is a lot of pedestrian traffic,” said Sreejesh Kishan, AITDSA Program Coordinator.

“It will also help assess the appropriate traffic volumes for use of the device, the behaviour of motorists and pedestrians, as well as performance under various weather conditions. We will also confirm parameters such as visibility and operating constraints,” he added.

Since commencing operation in July 2022, the AITDSA panel has recommended four devices for use by transport agencies in Australia and New Zealand. Most of Australia’s road agencies have since adopted the use of these innovations to improve road safety at work sites.

More information about the approved devices and solutions can be found on the Austroads website at: https://austroads. com.au/network-operations/temporarytraffic-management/AITDSA/aitdsarecommendations-for-use All requirements pertaining to the Austroads Guide to Temporary Traffic Management apply to all AITDSA recommendations for use.

Find out more about the AITDSA scheme and how to make an application at: https:// austroads.com.au/network-operations/ temporary-traffic-management/AITDSA

June 2023 | Highway Engineering Australia 25

The DOLRE bridge traffic barrier development demonstrates how the incorporation of FEA into the design process can optimise a solution that is vastly different from the solutions that traditional Engineering methodologies would produce.

Transition Test #1 for 2270kg Ute

Transition Test #2 for 2270kg Ute

Transition Test #3 for 2270kg Ute

A problem was identified and through the iterative use of FEM combined with Eurocodes for structural analysis a solution was found and optimised that was vastly different to the direction that traditional engineering was leading.

Once the bridge barrier design was optimised, the same process was used to assess transition designs to various European roadside barriers in accordance with EN1317 and TR16303-2011 requirements.

Transition Test #1 for 13,000kg Bus

Transition Test #1 for 900kg Sedan

Australian authorities required product assessment to Australian bridge standards. Future finite element modelling in accordance with MASH standards and NCHRP179 validation requirements satisfied ASBAP’s analysis for both traffic barrier and transition designs.

Ideal for Bridge Refurbis hment Projects.

ASBAP Approv ed for use in Austr alia

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• Fully crash tested to European Standards and simulated to US MASH TL4 requirements • Unique design imparting low stress to bridge deck - protecting water proofing membranes and coatings on the deck • Easy to install • Easy to dismantle in times of flood • Cost-effective bridge rehabilitation solution

www.lbaustralia.com.au Ph 1300 522 878

ELECTRIC VEHICLES

AUTOFLIGHT TO SHOWCASE NEXT-GEN EVTOL AT THE 2023 PARIS AIR SHOW AutoFlight, the global eVTOL (electric Vertical Take Off and Landing) pioneer, has announced its participation in the highly anticipated 2023 Paris Air Show, scheduled to take place from June 19th to June 25th in Le Bourget, France.

AutoFlight's first presence at this world-class event will provide an exclusive opportunity for industry professionals and aviation enthusiasts to witness the world’s first public presentation of their cutting-edge eVTOL aircraft, Prosperity I - including full interior design of the cabin.

Penned by legendary designer Frank Stephenson, AutoFlight's Prosperity I represents the forefront of electric vertical take-off and landing (eVTOL) technology.

This innovative aircraft, often referred to as an Airtaxi, offers safe, quiet, and affordable urban air mobility solutions.

AutoFlight is one of only a few eVTOL OEMs to have mastered the challenging

‘transition phase’ from vertical to horizontal flight and have done so hundreds of times, paving the way for sustainable, efficient, and reliable logistics and passenger transportation systems.

The 2023 Paris Air Show will serve as a global platform for AutoFlight to showcase the capabilities and advancements of Prosperity I. This much-anticipated event, after a 4-year absence, intends to highlight and promote environmentally friendly Advanced Air Mobility (AAM) innovations. It will provide a unique opportunity to demonstrate AutoFlight’s leadership in the field, following the successful completion of the world's longest eVTOL flight in February with distance of 250KM / 155 miles on a single charge.

AutoFlight CEO, Tian Yu, expresses his enthusiasm about the company's participation in the Paris Air Show, stating, “We are excited to present to the world Prosperity I at the 2023 Paris Air Show and showcase the remarkable

progress we have achieved in the field of electric vertical take-off and landing.”

“We are seeing strong interest from eVTOL flight operators for both the cargo and passenger versions of the aircraft. This event will allow us to share our vision of safe, efficient, and sustainable urban air mobility with a global audience,” Tian Yu added.

Prosperity I, with its advanced features and design, presents a new era of safe and sustainable transportation possibilities, unlocking the prospect of more livable cities, with reduced congestion and air pollution.

AutoFlight invites attendees and industry stakeholders to visit their exhibition stand, Chalet #200, at the Paris Air Show to witness firsthand the future of urban air mobility.

ABOUT AUTOFLIGHT AutoFlight is a global high-tech startup dedicated to developing and manufacturing electric aerial vehicles to provide safe and reliable logistics systems and urban air mobility solutions for people.

AutoFlight uses its experience with artificial intelligence, 5G, breakthrough materials, and advanced manufacturing in the drone market to drive developments in the eVTOL industry.

The company has a diversified eVTOL product mix, focusing on large-scale logistics aircraft and passenger aerial vehicles.

AutoFlight is a global company, with its engineering and certification centre in Augsburg, Germany, manufacturing and test facilities in Shanghai, China, and commercial operations in California, USA. AutoFlight is backed by European tech holding company Team Global.

For more information visit: www.autoflight.com

AUTOLIV AND NIO TO DEVELOP SAFETY TECHNOLOGY FOR ELECTRIC VEHICLES Autoliv China, a subsidiary of the worldwide leader in automotive safety systems, Autoliv, Inc. and NIO Inc., a leading electric vehicle company based in China, have signed a strategic cooperation framework agreement.

The collaboration includes several new safety technologies for electric vehicles with an overarching focus on sustainable solutions.

NIO is a pioneering new premium electric vehicle company with a vision of creating a brighter and more sustainable future by providing smart vehicles, services, and a user community. The strategic cooperation between NIO and Autoliv marks a significant milestone in our shared objective to redefine the way people experience transportation.

Under the agreement, NIO and Autoliv will develop safety products for electric vehicles and sustainable technologies. The new technologies will include a passenger airbag that deploys from the headliner using an environmentally friendly inflator. Furthermore, the companies

28 Highway Engineering Australia | June 2023

are co-developing a new airbag concept that provides full protection for different seating positions. This allows for better protection and more freedom to design the interior of the vehicle. It also includes biology-based materials for both airbag cushions and seatbelt webbing.

“NIO is a pioneer and leading electric vehicle company in the Chinese market,” said Mikael Bratt, President and CEO, Autoliv.

“Together, Autoliv and NIO will bring safety and innovation to the market that will reshape the future of mobility.”

“This strategic partnership marks a new milestone for NIO and Autoliv,” said Yu Pan, Vice President of Supply Chain Development at NIO. “We have a shared commitment to innovation and sustainability, and we expect the cooperation will be extended to more areas as we strive to enhance the driving experience

and provide pleasant journeys for all global users.”

These sentiments were echoed by Sng Yih, President, Autoliv China, who added: “We will work closely with NIO's talented team, pooling with Autoliv's knowledge and strengths.”

“Our cooperation will not only elevate the driving experience but also reinforce our shared objective to create a safer and a more sustainable future for mobility," Sng Yih concluded.

ELECTRIC VEHICLES

VOLVO RECEIVES RECORD ORDER FOR UP TO 1,000 ELECTRIC TRUCKS Volvo Trucks has signed a letter of intent to sell 1,000 electric trucks between now and 2030 to Holcim, one of the world’s largest building solution providers. The deal is the largest commercial order to date for Volvo electric trucks, and the first 130 trucks will be delivered in 2023 and 2024.

Holcim is a global leader in innovative and sustainable building solutions, with headquarters in Switzerland, and has a presence in more than 60 countries and some 60,000 employees worldwide.

Now, the company and its contractors have, with Volvo Trucks, agreed to plan for the deployment of 1,000 electric Volvo trucks across Holcim’s operations in Europe between now and 2030.

The first 130 heavy electric Volvo FH and Volvo FM trucks will be delivered to markets including France, Germany, Switzerland and the UK during the fourth quarter of 2023 and throughout 2024. The agreement is a result of a wider partnership between Holcim and Volvo Group.

“Long-term collaboration and a strong commitment to really make a difference are essential for making big CO2 reductions a reality,” says Martin Lundstedt, President & CEO Volvo Group.

“I’m very proud of the partnership we have developed with Holcim, and the results we are achieving together,” Mr Lundstedt added.

Jan Jenisch, Chairman and CEO of Holcim said, “The net-zero transition requires deep collaboration across value chains.”

“We are excited to be partnering with Volvo to decarbonize our European operations’ logistics with electric fleets, advancing our goal to reach 30% of zero-emission heavyduty trucks by 2030,” he said.

By replacing 1,000 existing Volvo FH diesel trucks with Volvo FH Electric trucks using green electricity on a typical route, up to 50,000 tons of CO2 could be saved every year*.

Both companies are committed to the Science-based targets initiative, which drives ambitious climate action in the private sector, and both are also founding members of First Movers Coalition (FMC). The FMC (First Movers Coalition) is a coalition of companies that use their purchasing power to create early markets for innovative clean technologies across eight hard-to-abate sectors.

The Science-based Targets initiative (SBTi) drives ambitious climate action in the private sector by enabling organizations to set science-based emissions reduction targets.

Targets are considered ‘science-based’ if they are in line with what the latest climate science says is necessary to meet the goals of the Paris Agreement – limiting global warming to 1.5°C above pre-industrial levels. *The CO2 saving is based on a calculation using the Volvo Trucks Environmental Footprint Calculator (comparing CO2 output over an annual mileage of 80,000km for a truck with a total weight of 44 tonnes and assuming the diesel comparator uses 7% biodiesel and achieves an average of 23l/100km).

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June 2023 | Highway Engineering Australia 29

ROAD SAFETY

GIVING AUSTRALIANS ‘SMART’ INCENTIVES TO DRIVE SAFE Personalised driver feedback and financial incentives are part of innovative strategies to respond to Australia’s increasing rates of road trauma

By Professor Mark Stevenson, University of Melbourne; Associate Professor Duncan Mortimer and Professor Anthony Harris, Monash University; Professor Lynn Meuleners and Professor Teresa Senserrick, University of Western Australia; Associate Professor Jason Thompson and Dr Anurika De Silva, University of Melbourne Since the 1970s, Australia has held an international reputation for road safety, but despite that early success, there have been no significant declines in road deaths and injuries over the past decade. In fact, to the 12 months ending February 2023, the number of deaths attributed to using our road system has climbed to 1,187 deaths – an increase of 3.9 per cent over the previous year and an annual increased trend of 0.5 per cent over the last five years.

The recent data on hospitalised injuries from road traffic crashes is not available but – in the five years to 2018 – severe but not always fatal injuries increased by some 16.2 per cent.

Telematics can provide feedback (including incentives) to drivers about important road safety parameters.

30 Highway Engineering Australia | June 2023

What this tells us is that Australia needs an urgent rethink of its approach to road safety in order to achieve its road safety target of a 50 per cent decrease in fatalities and a 30 per cent decrease in serious injuries (compared to a baseline period 2018-2020) by 2030.

TELEMATICS TECHNOLOGY ON OUR ROADS Telematics technology is one strategy gaining prominence as a potential approach. This is technology delivered via a smartphone application that measures and records driving behaviour in real-time.

It can provide feedback (including incentives) to drivers about important road safety parameters like speeding and harsh braking – both of which are risk behaviours known to be associated with motor vehicle crashes.

This ability to capture driver behaviours in real-time and provide feedback related to the behaviour has the real potential to enhance driver safety.

Several recent studies have evaluated the impact of financial incentives on driving behaviour including earn-as-you-drive rewards and deductions from a safe-driving account, and the effect of behaviour-based and mileage-based vehicle insurance.

All of these studies highlight that financial incentives improve driving behaviour. For example, our study, ‘The effect of telematic based feedback and financial incentives on driving behaviour: A randomised trial’, found that combining driver feedback with financial incentives can deliver potentially important and statistically significant reductions in risky driving behaviours.

Both real-time feedback to a driver and a financial reward for safer driving motivated a change in driving behaviour.

Although effective, large monetary rewards are not economically feasible over a long time-period.

Using telematics technology to provide personalised driver feedback and financial incentives is looking promising.

But importantly, our experimental research found that rather than rewarding ‘good’ driver behaviour, deductions from an upfront payment for ‘bad’ driving are more effective than rewards of equal value. This makes it far more feasible to achieve meaningful reductions in risky driving behaviour at a much lower cost.

If we then combine telematics-based feedback with these ‘smarter’ incentives, it offers the potential for further improvements in both effectiveness and cost-effectiveness.

PREVENTING ROAD INJURY THE ‘SMART’ WAY Our recent on-road research shows that personalised feedback combined with a low-cost financial incentive (around a $A150 reduction in annual vehicle insurance), results in a lower probability of risky driving behaviours.

We saw a reduction in speeding, harsh braking and harsh acceleration when compared to no intervention, as well as significant reductions if we measure a combination of these adverse and aggressive driving behaviours that can lead to a crash resulting in injury.

If we look at the population level rather than the individual, these significant reductions in adverse driving behaviours could translate into an observable difference in the likelihood of a crash – making substantial gains in population health.

Building on this success, we are currently implementing a population-based, randomised control trial of personalised, telematics-based feedback combined with ‘smarter’ financial incentives. This trial will run across three Australian states – Queensland, New South Wales and Western Australia – working on the basis that this kind of intervention will significantly reduce crash rates.

ROAD SAFETY

With more than 1,100 deaths and 40,000 hospitalised injury cases from road crashes each year in Australia, there’s a growing urgency to identify and implement new strategies that will mitigate the health burden associated with our current transport system.

Using telematics technology to provide personalised driver feedback and financial incentives is looking promising as the next silver bullet in our road safety repertoire.

First published in Engineering & Technology (https:// pursuit.unimelb.edu.au/engineering-technology)

admin@agd-systems.com.au - www.agd-systems.com.au

NATIONAL PRECAST NEWS

GROWING PIPE SUPPLY IN THE WEST ASSOCIATION INTRODUCES INTERNATIONAL TECHNOLOGY TO MEMBERSHIP While Australian precast is already on par with what’s produced abroad, a new player in the Australian market is linking the industry to new and exciting innovative production methodology.

According to National Precast CEO Sarah Bachmann it’s one of the roles the Association plays in delivering a pipeline of new information to members of the peak body.

“Companies which are members of their industry bodies generally demonstrated better corporate social responsibility,” says Bachmann.

“The individuals who run and own these companies are typically collaborative team players who have a broader perspective than just what sits inside their own four walls. They are genuinely interested in learning and contributing to make the industry better,” she adds.

Associations have had a long history of bringing new information to their members, allowing them to stay ahead of the game and innovate. It’s what drives continuous improvement.

A new player in the Australian market, with roots in the United Arab Emirates, is Industry Supplier member Nexsoft Australia. Its owner Bharat Dewani is sharing his experience from the

32 Highway Engineering Australia | June 2023

UAE and bringing new technology to Australian shores, making it easy for Australian precasters to improve processes.

Included in the company’s repertoire are three major European players, PROGRESS Group, IDAT and RATEC. Nexsoft represents these companies in Australia.

The offerings from the companies include systems, machinery and software from PROGRESS, ERP and BIM solutions and precast manufacturing software from IDAT, while RATEC supplies highly efficient magnetic formwork and 3D moulds. All three are presenting webinars to the Association’s membership, and these are also available to others via the National Precast online learning portal https://nationalprecastonline. com.au/webinars “The beauty of having an Australian representative is that dealing with these companies now becomes easy. From his earlier experience, Bharat knows the products of all three companies extremely well and can assist at a local level,” Bachmann states.

“Our members are always investing in new technology, and we are bringing the information they need to them.”

Global concrete pipe demand is expected to reach a not insignificant estimated $28.8 billion by 2027, and with the current infrastructure boom, the Australian demand for reinforced concrete pipes is at an all-time high.

It’s not surprising, according to National Precast’s CEO Sarah Bachmann, who says reinforced concrete pipes are renowned for their ease and safety of installation and their durability.

They have been manufactured in Australia for over one hundred years, and progressive pipe manufacturers are constantly investing in new technology.

One National Precast Master Precast doing just that is Western Australian Master Precaster MJB Industries. A family business, the company manufactures high-quality concrete pipe and spun liners for the Western Australian market.

According to Bachmann, with a production schedule booked several months ahead, the company made the decision to invest in a second pipe plant in early 2022. Works started in mid2022 and the new plant – which is expected to double production capacity - should be operational by mid-2023.

MJB’s Director Kim Hovey is excited about the increased capacity the new plant will deliver.

“Being able to double our production capacity comes as great news to our clients who have had long wait times on pipe supply for several months now. It’ll certainly help them to stay on track with project timelines,” Hovey comments.

Bachmann says that reinforced concrete pipes provide an excellent return on investment over the long haul and commends MJB for investing in increased capacity, not only because it will address supply issues, but also because of the new employment opportunities and economic growth it is generating in the state.

ASSOCIATION MEMBERSHIP GROWS FOLLOWING STRUCTURE CHANGE Membership is at an all-time high for National Precast, the country’s peak body that represents and promotes the Australian precast concrete industry.

According to National Precast CEO Sarah Bachmann, the organisation made changes to membership categories and fees which now provide cost-effective options for precasters, suppliers and professionals including architects, engineers and head contractors.

“Without having not really even promoted the new membership options yet, we are delighted to already be experiencing a great response,” Bachmann commented.

Some of National Precast’s recent new members include: • Sunset Sleepers (Precaster) - Manufactures engineer-certified, durable and reinforced concrete sleepers for all types of applications. https://www.sunsetsleepers.com.au/ • Urban Cranes (State Industry Supplier, WA) - With a team skill set not typical of most crane companies, Urban Cranes assist the construction industry with specialised high risk project delivery services. https://www.urbancranes.com.au/ • Ironside (Provisional Precaster) - Ironside’s origins are in forwardthinking multi residential apartment construction with precast manufacture new to the company’s capability. https://ironside.com.au/ • PSA (National Industry Supplier) – Supplies the precast industry with consumables and lifting products and specialty services. https://www.psa.com.au • Barrason’s Engineers (Professional Associate Organisation) – Providing high quality and efficient structural and civil design work throughout Australia, specialising in precast engineering. https://www.barrasonsengineers.com.au • Dinale Systams (National Industry Supplier) – Australian distributor for the NMB Splice Sleeve, a reinforcing bar connection system consisting of a cylindrical, ductile iron casting sleeve and a special high-strength, non-shrink grout filler. https://www.splicesleeve.com • Milwaukee Tool (Industry Partner) - Provides durable accessories, innovative hand tools and practical storage equipment to improve productivity. https://www.milwaukeetool.com.au • Novus Precast (Precaster) - A quality-assured manufacturer of precast concrete elements servicing the south-east Queensland market and offering clients customised solutions, utilising the latest precast technology. https://www.novusprecast.com.au • Aptus Concrete Connections (National Industry Supplier) – A disruptor to conventional construction methods, supplying concrete connections to reduce floor cycle times, eliminate propping and grouting and improve safety. https://aptus.systems • Total Precast Systems (Precaster) – Manufactures a wide range of concrete precast products to suit a variety of applications in northern NSW. https://www.facebook.com/totalprecastsystems/ • Action Solution (Affiliate Precaster) – Designs, manufactures and installs precast concrete flooring, walling, retaining walls, columns or footings and other precast concrete products in WA. https://www.actionsolution.com.au • Hunter Precast (Affiliate Precaster) – Designs, manufactures and installs quality precast concrete products throughout the Newcastle and Hunter Valley regions in NSW. Part of the Hunter Construction Group. https://hunterprecast.com.au • Construc (Professional Associate Organisation) - Offers design, documentation and inspection services to the construction, civil and temporary works industry throughout Australia. https://www.construc.com.au/ • ARP Training (Professional Associate Organisation) – a training broker based in VIC, assisting precast manufacturers and allied stakeholders to access government-funded nationally accredited worker education. https://arp-training.com.au

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TUNNELLING

USING ROBOTS UNDERGROUND TO SURVEY AUSTRALIA’S GEOLOGICAL UNCERTAINTIES Peter O’Riordan, Chair, Technical Board, hyperTunnel After a short-lived deceleration in 2020-21 due to pandemic restrictions, the growth of road building and tunnelling in Australia is strong again, with as many tunnels being built in the past five years as in the previous two decades. This upward trend is driven by the demands of a rapidly increasing urban population and a growing appetite among private investors to fund public infrastructure projects. Several major schemes are currently underway, including the WestConnex in Sydney, Melbourne’s West Gate Tunnel and North East Link, and the Great Western Highway upgrade in New South Wales which will incorporate Australia’s longest road tunnel.

There are big advances in technology on the horizon too, which promise to make tunnels and underground construction and maintenance much faster, cheaper, safer, less disruptive and more environmentally friendly. This promises to further boost an already booming sector by removing a lot of the risk and pain of large-scale infrastructure projects.

Each hyperBot robot works to a construction plan, which determines exact deployment location, material strength, chemistry specification (different robots can carry different chemicals) and chemical volume.

36 Highway Engineering Australia | June 2023

TUNNELLING

Digging in the dark One significant area of project risk relates to geology. Australia’s land mass is made up of a complex geological jigsaw incorporating almost every type of rock on earth. Large tunnelling schemes almost always encounter sizeable variations in geological conditions requiring an array of approaches, equipment and expertise. As demand grows for new urban infrastructure and more and more tunnels are being constructed, the call for better early site investigation is getting stronger. While large established cities may be lucky enough to have a database of ground conditions and tunnelling risks for reference, less developed cities where there is less previous tunnelling experience can be high risk for large projects.

Understanding ahead of time what these ground conditions will look like in any detail has, up to now, been almost impossible.

When you don’t know what you’re dealing with before you start digging, it can cause big problems. Delays, spiralling costs and disputes between clients and contractors are all too common.

Rather than digging through the ground with a cylindrical boring machine or using a traditional drill-and-blast technique, the hyperTunnel method uses a simple horizontal directional drilling (HDD) rig to install a network of HDPE pipes to provide access to the whole tunnel length so that a swarm of multi-function robots can 3D print the tunnel.

Swarms of hyperBots are sent into each construction bore to build the structural shell, deploying an additive manufacturing process, similar to 3D printing.

June 2023 | Highway Engineering Australia 37

TUNNELLING

Radically detailed geological information

hyperBots perform a wide range of tasks including chamber cutting, spoil removal, micro-deep mixing cement and deployment into the geological formation of composite construction materials such as cementitious grouts or polyureasilicate injection resins.

The West Gate Tunnel project is a case in point; work was temporarily halted in 2019 when soil along the route was found to be contaminated.

Around Sydney meanwhile, the prevalent Triassic Hawkesbury sandstone is well known for carrying high residual tectonic stresses

that can cause structural failures in deep excavations. However, measuring these at close intervals along the length of a tunnel’s route is usually impractical because of cost or access issues. Designers and contractors must therefore work with incomplete data, which is far from ideal.

The good news is that a new groundsurveying methodology from British start-up hyperTunnel is set to fundamentally change all this. Building on technologies already proven in other industries for example oil & gas, it provides a much more thorough understanding of the geology along a tunnel’s entire route before any excavation starts.

Initially, horizontal core samples are obtained along the tunnel path. This index bore is then back-reamed to a larger diameter and lined with High-Density Polyethylene (HDPE) pipe. A newly developed 3D ground-penetrating radar (GPR) is used to run along the length of the pipe to gather additional and unprecedented levels of data.

Accurate and finely spaced sampling with either step frequency or multiple pulsed frequencies results in a detailed and reliable model. This can then be meshed together with 360-degree tomographic data to further enhance the model and aid visualisation.

C C The result is game-changing – detailed M M insights into ground conditions showing fine changes in geology as well as features such Y Y as fissures, voids or water, the like of which CM CM has never before been seen.

Smart construction hyperTunnel’s approach covers much more than geological surveying, however. The company has developed methods for the design, construction and maintenance of underground assets.

For larger projects, hyperTunnel is developing a new dragline shield technology, called hyperShield, utilising techniques proven in open-cast mining, which makes it possible to complete the excavation in one pass.

38 Highway Engineering Australia | June 2023

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TUNNELLING

After data collection, the multiple layers of information obtained by the remote survey technologies are incorporated into a digital twin of the intended structure and the geology immediately surrounding it, supplemented by building information modelling. AI machine-learning techniques are then used to match exactly the geology of the underground environment to the chemistry that will best stabilise the structure for example reducing ground permeability by grouting.

Next, using Horizontal Directional Drilling (HDD), a series of HDPE bore pipes that define the perimeter of the desired structure are installed. Large numbers of semi-autonomous robots travel through these bores cutting and filling chambers – effectively 3D printing the tunnel in the ground. The untreated geology within the structure is then disrupted and a remotecontrolled excavator is used to remove the spoil. Finally, the bore pipes are fitted with continuous monitoring technologies for ongoing structural health monitoring.

Big wins The advantages of this ultra-high-tech in-situ construction approach are huge.

Labour and consumable costs are far lower than conventional tunnelling methods and, because construction takes place along the entire length of the tunnel at the same time, productivity is greatly increased. Geological certainty makes construction less risky and it’s also far safer because the tunnel is structurally sound before a human enters it.

There are big environmental benefits too. Less energy, water and raw materials are needed, and waste and air pollution are reduced. Work sites are smaller and more easily accommodated in built up environments. The spoil is uncontaminated and therefore can be recycled if suitable.

The approach is also ideal for repair and remediation work. Because the maintenance tasks are conducted by robots, which access the tunnel or structure from the side via installed pipes, in many cases, roads or railways do not have to be closed. It’s an ideal solution for when direct access from

above ground isn’t possible or desirable – for ground stabilisation drilling for example – as is often the case in urban locations or under existing assets. The ground around a structure can be ‘fixed’, for example, to stop water penetration, thus avoiding the need to carry out repairs on the structure itself.

After construction, the benefits continue as hyperTunnel’s state-of-the-art smart sensors monitor the condition of the entire structure 24/7, avoiding the need for costly and less complete onsite maintenance checks.

Availability hyperTunnel formally launched its transformative approach in 2021 and has already completed a large trial in the UK. With a string of big investments and partnerships under its belt, it’s rapidly gaining widespread industry acceptance. It has now set its sights on the Australian tunnelling sector where it can only boost an already thriving market by reducing or removing many of the biggest challenges to underground construction.

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