How Mirvac is achieving safety through simplicity – An interview with Zenergy

Creating an engaging health and safety culture is challenging enough within an organisation. When you have a business that connects with as many as 200 contractors at a single time, any issues are multiplied considerably.


Zenergy’s strategy to identify and promote influential leaders across industry has led me to Grant Medlock from Mirvac to understand how they had addressed this challenge and what their changes mean for the wider industry.


Mirvac is a company with a large construction division across Australia, meaning it requires a health and safety program that not only encompasses its direct employees, but the many contractors and sub-contractors that work on its sites as well.


As the National HSE Manager – Construction at Mirvac, Grant Medlock was instrumental in the design and the rollout of the Mirvac Risk Assessment Cards (MRAC) program. Grant ran us through some of the challenges Mirvac faced, and the solutions it pioneered to set new safety standards in Australia’s construction industry. For Grant, it was important that the company could continue to support its employees across all construction sites.

Developing people as a company grows

The reason Mirvac was able to evolve its health and safety programs effectively is because it was aware of how its position in the market was changing. By realising how quickly its construction department was growing, the company was then able to work out what this expansion would impact the most: its people.

“We concentrated on developing our people.”


For Mirvac, expanding construction operations meant more active sites with an increased number of contractors and people working for the firm. Rather than just thinking broad, Grant and his team acknowledged health and safety needed to be accessible on an individual level, so that’s where they began.


“We concentrated on developing our people, strengthening their understanding of the basic HSE requirements, helping to assist and develop their own individual knowledge and understanding,” he explained.


Mirvac’s reputation for quality is intrinsically linked to its relationships with contractors. As the efforts of these professionals are such an essential part of the business, any major health and safety change had to be adaptable to this diverse workforce.


“For us, the focus on our subcontractors, the way they perform their work, what it is they’re doing, how they’re doing it and again the culture within their own groups is important,” Grant says.


As relationships in this sector stretch from major companies down to small businesses, any new system would have to support their safety as well.

Mirvac’s solution

The misconception that health and safety is all about red tape and paperwork is simply no longer the case, a fact that Grant and his team proved with the MRAC program. The initiative is the second wave of the “Work Safe Stay Safe” campaign the firm premiered in 2014.


“It’s a simple, easy to use, easy to follow card system with high-quality visuals and simple control measures,” Grant said.


“We call it ‘What good looks like’, so when a contractor is about to put together something for a particular job they can take an MRAC from a booklet, read through it, and it guides them through the controls we expect them to have in place.”


“It guides them via a photograph or an image of what we expect from a scene and how we expect it to look.”


Grant notes that the MRAC rollout is now about much more than just health and safety. Various contractors have given positive feedback, and there’s plenty of evidence to suggest that it’s raised the overall standards of work on Mirvac construction sites as well.



MRAC and Work Safe, Stay Safe, will soon be available in app form, an update that will bring even greater accessibility to the format.

Changing the industry through simple processes

With the MRAC system, Mirvac is proving that compliance doesn’t have to be complex for employees and contractors to use or managers to monitor.


“By making them simple, by giving them imagery and by making the terminology easy to reflect upon, it’s had a good uptake,” Grant said. “For us, it’s about not over complicating things, but rather ensuring that the information we supply to our sub-contractors is concise and accurate.”


The beauty of introducing the systems to the various contractors and sub-contractors Mirvac engages with is that this spreads the message to the rest of the industry. These businesses don’t just work for Mirvac, and by making their own workspaces safer, they’re directly raising the safety profile of the wider construction sector as well.


“Safety is universal,” Grant explained. “We’re open about what we do, it’s about improving our sites and the rest of the industry.”

“If other companies were to see this as an incentive or an idea that they want to move forward with then we would be happy to have helped the industry.”


Mirvac’s MRAC rollout is proof that changing a safety environment doesn’t depend on complexity. Instead, by making health and safety simple to understand and easy to execute, the company is changing the way wider industry keeps safe at work.

Contact Us

Zenergy News

Directors' duties for psych risks unpacked in new report
April 23, 2025
The WHS obligations of company directors include taking reasonable steps to understand the psychological hazards in their workplaces, and this is a "personal" prosecutable duty, a new guide for directors warns. Directors' obligations include establishing that their organisations and their management "are equipped with appropriate resources and processes to eliminate or minimise these risks to the extent that is reasonably practicable", the guide by the Australian Institute of Company Directors and law firm King & Wood Mallesons says. Most of any organisation's work to address psychosocial hazards will be "driven by management", given the complexity of the risks and the deep operational knowledge required to guide action, it says. "The board plays a supporting role in constructively challenging these efforts and maintaining oversight of how effective psychosocial risk management contributes to broader organisational culture and leadership." Under Australia's national model WHS laws – adopted by all jurisdictions other than Victoria, which has similar legislation – officers have a duty to exercise due diligence to confirm their organisation is meeting its WHS obligations. (See section 27 of NSW's version of the laws, for example.) This duty is a "personal duty, meaning [officers] can be prosecuted for failing to meet their due diligence obligations", the guide says. "Prosecution typically requires proof that the officer failed to take reasonable steps to comply with their duty, assessed in the context of the organisation's overall safety and health management system," it says. These due diligence obligations apply to paid directors, and are "recommended" for volunteer directors, who can be prosecuted in limited circumstances. "While non-executive directors have not been the focus of WHS regulators to date, this can change, and regulatory expectations are rising," the guide notes. According to the 12-page document , company boards and governance play a crucial role in ensuring psychosocial risks are managed effectively. Directors must oversee management's efforts at identifying and implementing control measures, set expectations and confirm that the necessary frameworks are in place. "This includes seeking information, reviewing board reports, assessing organisational culture, and challenging management where needed to strengthen risk controls," the guide says. Examples of how boards should address the workplace factors that create psychosocial risks include: Overseeing how managers monitor the risks associated with work design by drawing on complaints data, employee surveys, and absence and turnover rates, and engaging regularly with management to assess risks and evaluate measures; Confirming that management is complying with the positive duty to eliminate workplace sexual harassment, and obtaining regular reports on key behavioural risks involving code of conduct breaches and harassment cases; Setting expectations for management to provide workers with practical assistance and timely consultation in the event of organisational change and restructures, which can create significant stress; Engaging with management to review how it is addressing remote work risks, and ensuring there they have a clear policy to guide them in determining when remote arrangements are appropriate; and Overseeing how HR and performance management processes are managed, and confirming that investigation procedures are fair, workers have access to appropriate support, and outcomes are handled as consistently as possible. Governing WHS Psychosocial Risks: A primer for directors, by the Australian Institute of Company Directors and King & Wood Mallesons, April 2025 This article has been reproduced with permission from OHS Alert, and the original version appears at www.ohsalert.com.au.
April 7, 2025
Zenergy recently hosted Women in Safety, a special networking event dedicated to fostering collaboration in the health, safety, and wellbeing sector. Held on March 20, 2025, at The Winery, Surry Hills, this event provided a relaxed and welcoming atmosphere where professionals gathered to exchange insights, share experiences, and build meaningful connections. With attendees from diverse industries—including construction, logistics, corporate sectors, and more—the event highlighted the vital role of women in shaping safer workplaces across Australia.
March 25, 2025
Podcasts have become a dominant force in the world of media, revolutionising how we consume information and entertainment and the WHS, Environment & Sustainability is no different! As the podcast industry continues to expand, listeners are discovering a wealth of benefits, from educational insights to fostering community connections. In this article, we share some of the leading podcasts and why they’ve become a growing part of modern WHS, Environment & Sustainability consumption. Here are some of the leading podcasts that every WHS, Environmental, and Sustainability professional should tune into:
March 24, 2025
Colin Hansen, WHS Director John Holland - M7M12 Project
March 3, 2025
Zenergy invites you to be part of the prestigious 2025 Australian Workplace Health & Safety Awards (AWHSA) —a national platform dedicated to recognising outstanding achievements in workplace health and safety. These awards celebrate individuals and organisations that are making a real impact in fostering safer, healthier work environments.
February 28, 2025
Australia has enacted mandatory sustainability reporting requirements, effective from 1 January 2025, through the Treasury Laws Amendment (Financial Market Infrastructure and Other Measures) Act 2024. These regulations mandate that large entities disclose climate-related financial information as part of their annual reporting obligations.
More Posts