Safe Operating Procedures

    Free Safe Operating Procedure (Heat Stress Monitor) Template

    Effectively manage heat-related risks in your workplace with our structured template. Download your free Safe Operating Procedure to get started today.

    September 18, 20264 min read10 viewsLast reviewed September 2026Licensing terms (PDF)

    Free Safe Operating Procedure (Heat Stress Monitor) Template

    DOCX • 126 KB + PDF

    Updated Oct 2026

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    Free Safe Operating Procedure (Heat Stress Monitor) Template — document preview

    Purpose of the Free Safe Operating Procedure (Heat Stress Monitor) Template

    Managing the risks of working in heat is a critical part of workplace safety, particularly in Australia's varied climates. Our Free Safe Operating Procedure (Heat Stress Monitor) Template provides a structured framework for the correct and consistent use of this essential monitoring equipment.

    This document helps your organisation establish clear steps for preparing, using, and interpreting data from a heat stress monitor, ensuring that environmental conditions are accurately assessed and appropriate controls are implemented in a timely manner.

    Using a formal SOP ensures that all responsible personnel follow the same methodology, reducing the risk of errors in measurement and response. It forms a key component of a broader heat management plan, helping you meet your duties to provide a safe working environment.

    By formalising this process, you create a reliable system for identifying when thermal conditions pose a risk to workers' health and safety, enabling proactive rather than reactive measures. This process is fundamental to the development of comprehensive WHS management systems that effectively address environmental hazards.

    Video walkthrough

    How to use the Free Safe Operating Procedure (Heat Stress Monitor) Template

    This document is designed to be a starting point, providing a logical structure based on Australian WHS principles. It is not a complete, off-the-shelf solution.

    To make it effective, you must adapt it to your specific operational context.

    Please note: This document is a template and must be customised for your specific workplace. We have included prompts and standard sections, but you are responsible for adding details relevant to your specific heat stress monitor model, your workplace's established trigger points (e.g., based on thermal work limit or WBGT), and your site-specific control measures.

    This ensures the final SOP is a practical and relevant tool for your team.

    Implementation Steps:

    • Download: Select the DOCX format for easy editing or the PDF for straightforward printing.
    • Customise: Populate the template with your company name, the specific make and model of your heat stress monitor, and site-specific details. Define the roles and responsibilities, pre-operational checks, and the exact steps for taking measurements.
    • Define Triggers and Controls: Clearly document your organisation’s action levels. Specify what actions must be taken when the monitor indicates low, moderate, high, or extreme risk (e.g., mandatory hydration breaks, job rotation, stopping work).
    • Train Personnel: Ensure all workers and supervisors who will use the monitor or act on its readings are trained on the finalised SOP. Competency is key to its successful implementation. For other high-risk tasks, you might use a similar process, like that outlined in our SOP for telehandlers.
    • Review and Refine: Schedule regular reviews of the SOP (e.g., annually or after an incident) to ensure it remains current and effective.

    When to use a Heat Stress Monitor

    A heat stress monitor should be used proactively as part of your overall heat management strategy. It is not just for days that are obviously hot. Usage is recommended:

    • When ambient temperatures are forecast to exceed a predetermined trigger point (e.g., 28°C).
    • During tasks involving high physical exertion, regardless of the ambient temperature.
    • In indoor or enclosed environments with poor ventilation or sources of radiant heat (e.g., foundries, kitchens, laundries).
    • As part of a scheduled monitoring program during warmer months (e.g., daily checks at the start of a shift and mid-day).
    • Following any reports from workers of heat-related discomfort or symptoms.

    Integrating environmental monitoring with task-based risk assessments provides a more complete picture of workplace hazards. Similar documented procedures are vital for heavy machinery, as seen in our free Grader SOP template.

    Who should use this Safe Operating Procedure

    This SOP should be used by personnel who have been deemed competent and are authorised to conduct environmental monitoring. This typically includes:

    • WHS Managers/Advisors: For overseeing the heat management program and analysing data trends.
    • Site Supervisors and Team Leaders: For conducting on-the-ground monitoring and implementing immediate controls based on the SOP's action levels.
    • Designated WHS Representatives: As part of their function in monitoring workplace conditions.

    Only individuals trained in the specific operation of the monitor, its calibration, and the interpretation of its readings should be assigned these tasks. If you lack in-house expertise, consider engaging external WHS consulting services to assist with developing your heat management plan.

    This ensures your procedures are robust and based on expert knowledge. You can explore other templates for different equipment in our free WHS resources library to build out your safety documentation.

    Common mistakes

    Common mistakes to avoid

    • Failing to calibrate the monitor according to the manufacturer's instructions, leading to inaccurate readings.
    • Using the monitor to collect data but failing to act on the results by implementing necessary controls.
    • Not customising the SOP with site-specific trigger levels and control measures.
    • Assigning monitoring tasks to personnel who have not been trained on how to use the device or interpret its data correctly.

    Legal references

    Legal considerations

    The following legal requirements may be relevant to this type of work.

    • Work Health and Safety Act (Harmonised) — Provides the primary duties for protecting workers and other people from work health and safety risks.
    • Work Health and Safety Regulations (Harmonised) — Sets out requirements supporting the management of workplace hazards and risks.

    The following codes may be relevant to this type of work.

    • Managing WHS Risks Code of Practice — Provides practical guidance on identifying hazards, assessing risks and applying effective controls.
    • Work Health and Safety Consultation, Cooperation and Coordination Code of Practice — Provides practical guidance on consulting workers and coordinating with other duty holders.
    • Managing the Work Environment and Facilities Code of Practice — Provides practical guidance on safe work environments, workplace facilities and related controls.

    Did you know

    More Than Just Temperature

    Heat stress is influenced by four key environmental factors: air temperature, humidity, radiant heat, and air speed. A simple thermometer only measures the first, which is why specialised heat stress monitors are essential for an accurate risk assessment.

    A Serious Risk

    Between 2015 and 2019, Safe Work Australia accepted 1,774 workers’ compensation claims for heat-related illness or injury, highlighting the significant and preventable risk that working in heat poses to Australian workers.

    FAQ

    Frequently asked questions

    01What is a heat stress monitor and what does it measure?
    A heat stress monitor is a specialised device used to assess environmental conditions that contribute to heat stress. It typically measures multiple factors, including ambient temperature, humidity, radiant heat (from the sun or hot machinery), and air movement, often combining them into a single index like the Wet Bulb Globe Temperature (WBGT).
    02Does this SOP template cover all legal requirements for heat stress management?
    This template is a starting point aligned with Australian WHS principles for creating a safe operating procedure. It does not automatically guarantee legal compliance. You must customise it with your site-specific risks, controls, and equipment, and integrate it into a comprehensive heat management plan to meet your duties under WHS legislation.
    03How often should we use a heat stress monitor at our workplace?
    The frequency depends on your risk assessment. It should be used whenever conditions approach your predetermined action levels, during high-exertion tasks, or as part of a routine schedule during high-risk seasons. It's a tool for proactive monitoring, not just for reacting to hot weather.
    04Who needs to be trained on this Safe Operating Procedure?
    Any person responsible for operating the heat stress monitor, interpreting its data, or implementing control measures must be trained on the finalised SOP. This includes supervisors, WHS personnel, and any workers assigned to conduct the monitoring.

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    How To Use It

    1. 1Download and open in Word or PDF.
    2. 2Replace the placeholders with your business details.
    3. 3Get it reviewed by a WHS specialist before rollout.
    Get a document review

    Need it customised?

    Our WHS consultants can adapt this template to your site, run a gap analysis, or audit what you already have in place.

    Book a Free Consultation WHS consulting services

    or call 1300 156 382

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