Product Overview

Summary: This Steel and Aluminium Corrosion Protection Safe Operating Procedure sets out safe, consistent methods for preparing, treating and protecting steel and aluminium components from corrosion in Australian workplaces. It helps businesses control hazardous chemicals, surface preparation risks and environmental impacts while delivering durable, compliant protective coatings.

Steel and aluminium assets in Australian conditions are exposed to harsh environments – including coastal salt spray, industrial pollutants and extreme temperature fluctuations – making effective corrosion protection critical for safety, asset integrity and lifecycle cost control. This Safe Operating Procedure provides a structured, step‑by‑step approach to surface preparation, selection and application of primers and protective coatings, and inspection of finished work on steel and aluminium substrates. It focuses on safe handling of chemicals, equipment and processes typically used in corrosion protection, such as degreasers, pickling agents, conversion coatings, paints, sealants and mechanical preparation methods.

Beyond technical coating requirements, the SOP is designed to support compliance with Australian WHS legislation by embedding risk management into everyday practice. It guides workers and supervisors through hazard identification, safe work methods, PPE requirements, ventilation and spill control, while also addressing quality checkpoints that prevent premature coating failure. By implementing this procedure, businesses can minimise worker exposure to hazardous substances, reduce rework and warranty claims, and protect critical infrastructure, plant and equipment from corrosion‑related failure that could lead to structural incidents, unplanned downtime and regulatory scrutiny.

The document is particularly valuable for organisations managing repetitive corrosion protection tasks across workshops, construction sites or maintenance programs—such as fabricators, engineering workshops, transport depots, mining and energy operators, and local government depots. It delivers a clear, defendable framework that can be easily integrated into existing WHS management systems, used for staff training and toolbox talks, and referenced during audits or regulator inspections.

Key Benefits

• Ensure safe handling, storage and application of corrosion protection chemicals and coatings in line with Australian WHS requirements.
• Reduce the risk of worker exposure to hazardous vapours, mists and skin/eye irritants during surface preparation and coating processes.
• Extend asset life by standardising best‑practice preparation and coating methods for steel and aluminium in harsh Australian environments.
• Minimise rework, coating failures and unplanned downtime through clear quality control checkpoints and inspection criteria.
• Support regulatory compliance and audit readiness with a documented, repeatable procedure aligned to relevant Australian Standards and Codes of Practice.

Who is this for?

• Fabrication Workshop Managers
• WHS Managers and Advisors
• Maintenance Supervisors
• Production Managers
• Corrosion Protection Technicians
• Industrial Painters and Coaters
• Site Supervisors
• Quality Assurance Managers
• Asset Integrity Engineers
• Construction Project Managers

Hazards Addressed

• Exposure to hazardous chemicals including solvents, acids, alkalis, etchants and conversion coatings
• Inhalation of paint mists, metal dusts and fumes during surface preparation and spraying
• Skin and eye contact with corrosive or irritant substances
• Fire and explosion risks from flammable solvents and vapours
• Static electricity build‑up during spray application of coatings
• Manual handling and ergonomic strain from moving components, cylinders and equipment
• Noise exposure from mechanical surface preparation (e.g. grinding, needle gunning, blasting)
• Slip, trip and fall risks from overspray, spills, hoses and surface contaminants
• Environmental contamination from spills, overspray, waste coatings and wash‑down water
• Confined space risks where corrosion protection is applied inside tanks, vessels or enclosed structures

Included Sections

• 1.0 Purpose and Scope
• 2.0 References, Definitions and Abbreviations
• 3.0 Roles and Responsibilities
• 4.0 Description of Steel and Aluminium Corrosion Mechanisms
• 5.0 Hazard Identification and Risk Assessment
• 6.0 Required Qualifications, Training and Competency
• 7.0 Tools, Equipment and Materials
• 8.0 Personal Protective Equipment (PPE) Requirements
• 9.0 Chemical Handling, Storage and Labelling (including SDS requirements)
• 10.0 Surface Preparation Procedures for Steel
• 11.0 Surface Preparation Procedures for Aluminium
• 12.0 Selection of Primers, Sealers and Topcoats
• 13.0 Application Methods (brush, roller, spray and other techniques)
• 14.0 Environmental Controls (ventilation, temperature, humidity and overspray management)
• 15.0 Quality Control, Dry Film Thickness and Adhesion Testing
• 16.0 Waste Management, Spill Response and Environmental Protection
• 17.0 Confined Space and Hot Work Considerations (if applicable)
• 18.0 Emergency Procedures and First Aid
• 19.0 Inspection, Maintenance and Re‑coating Intervals
• 20.0 Documentation, Records and Review Requirements

Legislation & References

• Work Health and Safety Act 2011 (Cth) and corresponding state and territory WHS Acts
• Work Health and Safety Regulations 2011 (Cth) and corresponding state and territory WHS Regulations
• Safe Work Australia – Managing Risks of Hazardous Chemicals in the Workplace: Code of Practice
• Safe Work Australia – Managing the Work Environment and Facilities: Code of Practice
• Safe Work Australia – Confined Spaces: Code of Practice (where applicable)
• AS/NZS 2312.1: Guide to the protection of structural steel against atmospheric corrosion by the use of protective coatings – Paint coatings
• AS/NZS 2312.2: Guide to the protection of structural steel against atmospheric corrosion by the use of protective coatings – Hot dip galvanizing
• AS 1627 series: Metal finishing – Preparation and pre‑treatment of surfaces
• AS/NZS 4020: Testing of products for use in contact with drinking water (where applicable to coated items)
• AS/NZS 2161 series: Occupational protective gloves
• AS/NZS 1715: Selection, use and maintenance of respiratory protective equipment
• AS/NZS 1716: Respiratory protective devices
• AS/NZS 1337.1: Personal eye protection
• AS/NZS 60079 series: Explosive atmospheres (for hazardous area considerations where flammable vapours may be present)