Regulator issues heat stress warning for Queensland mines

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Regulator Issues Heat Stress Warning for Queensland Mines

Resources Safety and Health Queensland (RSHQ) reminds mine operators to protect workers from heat stress following the onset of El Niño. This warning comes as increased risk of extreme heat threatens coal mines and resource sites across the state.

According to RSHQ, risk factors and thermal conditions in mines keep changing, so safety officers need to consider this when assessing hazardous heat exposure risks. Queensland's resource workers face conditions that shift quickly, making proactive planning essential for maintaining safety on site.

Why Heat Stress Poses a Serious Risk in Queensland Coal Mining

Heat stress can escalate rapidly into heat stroke if left unmanaged, particularly in underground or confined mining environments where ventilation and equipment limitations compound the danger. RSHQ notes that queensland coal mining operations carry unique challenges due to depth, humidity and physical exertion combined with hazardous thermal loads.

"The strategies and techniques we use to reduce heat stress at mines are simple, but sometimes overlooked," said RSHQ Chief Operating Officer Rob Djukic.

"That includes modifying the environment to suit the work, modifying the work to suit the environment, or sometimes a combination of both."

"Safety at Queensland mines is everyone's responsibility and we're here to assist the mines to ensure all workers feel safe."

Practical Measures for Managing Heat-Related Risks

Mine operators can reduce heat-related incidents through several practical measures, including:

• Scheduling physically demanding tasks during cooler parts of the shift
• Providing adequate rest breaks in shaded or cooled areas
• Ensuring personal protective equipment does not trap excess body heat
• Maintaining cooling equipment and ventilation systems in good working order
• Training supervisors to recognise early symptoms of heat-related illness

Operators should also review our Heat Stress SWMS template to formalise site-specific control measures and ensure compliance obligations are met consistently across shifts.

RSHQ's Broader Role in Queensland Mine Safety

RSHQ regularly issues guidance to help operators strengthen safety systems across Queensland mines. Regulation under Queensland's resources framework places clear obligations on operators to manage work health and safety risks, including those linked to extreme heat.

This latest advisory follows earlier action from the regulator, detailed in our coverage of directives issued to Queensland mine operators, which outlines additional compliance expectations across the sector.

Well-maintained equipment plays a central role in reducing hazardous exposure. Cooling systems, monitoring equipment and personal protective equipment all require regular inspection to ensure they perform effectively under sustained heat loads. Guidance on maintaining site equipment is available through our SOP for Equipment Maintenance resources.

Lessons From Other Jurisdictions

Queensland is not alone in facing this challenge. Western Australia's health department recently issued similar guidance, covered in our article on the WA Department of Health extreme heat warning, while the Northern Territory regulator responded after two workers suffered heat illnesses, as reported in our piece on the NT WorkSafe heatwave warning.

These parallel warnings reinforce a consistent message across Australian regulators: heat stress remains a significant occupational hazard requiring ongoing vigilance, robust risk assessment and reliable safety equipment.

Supporting Documentation for Mine Operators

Operators looking to strengthen their safety documentation can reference our Summer Heat SWMS resource for seasonal planning, alongside our Stress Policy template to address broader workplace wellbeing obligations.

Sites handling chemicals alongside heat exposure risks should also consult our SOP for Chemical Handling and Storage, since elevated temperatures can affect storage stability and handling procedures for hazardous substances.

Key Takeaways

Queensland mine operators must treat heat stress as an ongoing safety priority, not a seasonal afterthought. RSHQ's news release reinforces that simple, practical adjustments to work practices and equipment can significantly reduce risk.

Staying informed through regulator news updates, maintaining reliable safety equipment and reviewing site-specific documentation remain essential steps for protecting workers throughout the warmer months ahead.

Read the original RSHQ news release for further details on this warning.

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