Product Overview

Summary: This Ventilation Standards Safe Operating Procedure sets out clear, practical requirements for achieving safe, effective airflow in Australian workplaces. It helps businesses control airborne contaminants, heat, fumes, and pathogens while demonstrating compliance with WHS obligations and relevant Australian Standards.

Effective ventilation is a critical, yet often overlooked, control measure in managing airborne contaminants, heat stress, and indoor air quality across Australian workplaces. From workshops and warehouses to laboratories, healthcare facilities, and commercial offices, poor ventilation can quickly lead to elevated contaminant levels, discomfort, reduced productivity, and non-compliance with WHS legislation. This Ventilation Standards Safe Operating Procedure provides a structured, evidence-based framework for designing, operating, monitoring, and maintaining ventilation systems in line with Australian requirements and industry best practice.

The SOP translates complex standards and guidance into clear, step-by-step expectations that can be applied on the ground by supervisors, maintenance teams, and contractors. It covers the full lifecycle of workplace ventilation management, including risk assessment, selection of natural and mechanical ventilation strategies, minimum airflow and air change criteria, control of fumes and dusts at the source, and verification of performance through inspections and testing. By implementing this SOP, organisations can systematically demonstrate that they have taken reasonably practicable steps to control airborne hazards, protect worker health, and create a safe, comfortable working environment that stands up to regulator scrutiny.

Key Benefits

• Ensure consistent compliance with WHS duties relating to airborne contaminants, thermal comfort, and indoor air quality.
• Reduce worker exposure to hazardous fumes, dusts, vapours, and infectious aerosols through clearly defined ventilation requirements.
• Standardise how ventilation systems are specified, operated, inspected, and maintained across all sites and facilities.
• Improve worker comfort and productivity by managing heat, humidity, and stale air in enclosed or partially enclosed spaces.
• Demonstrate due diligence to regulators, clients, and auditors with a documented, defensible approach to ventilation management.

Who is this for?

• WHS Managers
• Facilities Managers
• Site Supervisors
• Operations Managers
• Maintenance Supervisors
• HVAC Technicians
• Laboratory Managers
• Manufacturing and Production Managers
• Construction Project Managers
• Infection Prevention and Control Leads (Healthcare)

Hazards Addressed

• Exposure to airborne contaminants such as welding fumes, solvent vapours, and process-generated dusts
• Accumulation of flammable or explosive atmospheres in confined or poorly ventilated spaces
• Heat stress and thermal discomfort in enclosed work areas and plant rooms
• Transmission of airborne infectious agents in offices, healthcare, and high-occupancy environments
• Build-up of carbon monoxide, carbon dioxide, and other harmful gases from plant and equipment
• Poor indoor air quality leading to headaches, fatigue, and reduced cognitive performance

Included Sections

• 1.0 Purpose and Scope
• 2.0 Definitions and Key Terms (Air Changes, Local Exhaust Ventilation, General Ventilation, etc.)
• 3.0 Roles and Responsibilities (PCBU, Officers, Supervisors, Workers, Contractors)
• 4.0 Applicable Legislation, Standards and Codes of Practice
• 5.0 Ventilation Risk Assessment and Hazard Identification
• 6.0 Ventilation Design Requirements (Natural, Mechanical and Local Exhaust Ventilation)
• 7.0 Minimum Performance Criteria (Airflow Rates, Air Changes, Capture Velocities)
• 8.0 Ventilation Controls for Specific Work Areas (Workshops, Laboratories, Warehouses, Offices, Healthcare)
• 9.0 Operation of Ventilation and Air Conditioning Systems
• 10.0 Inspection, Testing, Monitoring and Verification of Ventilation Performance
• 11.0 Maintenance, Cleaning and Filter Replacement Schedules
• 12.0 Managing Changes, Breakdowns and Non-Conformances
• 13.0 Interaction with Other Controls (PPE, Isolation, Substitution, Process Controls)
• 14.0 Emergency Procedures for Ventilation Failures and Hazardous Atmospheres
• 15.0 Training, Competency and Induction Requirements
• 16.0 Recordkeeping, Documentation and Audit Requirements
• 17.0 Review, Consultation and Continuous Improvement

Legislation & References

• Work Health and Safety Act 2011 (Cth) and equivalent state and territory WHS Acts
• Work Health and Safety Regulations 2011 (Cth) and equivalent state and territory WHS Regulations – provisions relating to ventilation, confined spaces, and airborne contaminants
• Safe Work Australia – Code of Practice: Managing the Work Environment and Facilities
• Safe Work Australia – Code of Practice: Managing Risks of Hazardous Chemicals in the Workplace
• Safe Work Australia – Code of Practice: Confined Spaces
• AS 1668.1: The use of ventilation and air conditioning in buildings – Fire and smoke control in buildings
• AS 1668.2: The use of ventilation and air conditioning in buildings – Mechanical ventilation in buildings
• AS 1668.4: The use of ventilation and air conditioning in buildings – Natural ventilation of buildings
• AS/NZS 3666.1: Air-handling and water systems of buildings – Microbial control – Design, installation and commissioning
• AS 1940: The storage and handling of flammable and combustible liquids (ventilation provisions)