Product Overview

Summary: This Dust Suppression Systems Safe Operating Procedure sets out clear, practical steps for planning, operating and maintaining dust control systems across Australian worksites. It helps businesses minimise airborne dust, protect worker health, and demonstrate compliance with WHS duties and environmental expectations.

Uncontrolled dust is one of the most common and underestimated hazards on Australian worksites, particularly in construction, mining, quarrying, waste management and bulk materials handling. Airborne dust can contain respirable crystalline silica, metals, organic matter and other contaminants that pose serious health risks, while also impacting visibility, damaging plant and equipment, and generating complaints from neighbouring properties and regulators. This Dust Suppression Systems Safe Operating Procedure provides a structured, step‑by‑step framework for selecting, operating and maintaining dust suppression systems so they perform effectively and consistently.

The SOP covers fixed and mobile dust suppression solutions such as water sprays, misting cannons, fogging systems, spray bars, road watering carts and integrated plant suppression systems. It guides your team through pre‑start checks, safe system setup, system adjustment for weather and task conditions, water quality considerations, and shutdown and maintenance routines. By implementing this procedure, businesses can reduce worker exposure to hazardous dust, improve site visibility and housekeeping, and show regulators that dust risks are being managed in line with Australian WHS legislation and relevant Codes of Practice.

This document also supports better planning and communication on site. It clarifies responsibilities between supervisors, operators, maintenance personnel and contractors, and embeds dust control into daily pre‑start meetings, risk assessments and permit processes. The result is a repeatable, auditable method for dust suppression that reduces reliance on individual operator judgement, supports training of new staff, and helps avoid costly non‑compliance notices, project delays and reputational damage.

Key Benefits

• Reduce worker exposure to hazardous airborne dust, including respirable crystalline silica, by implementing consistent, engineered control measures.
• Ensure compliance with WHS legislation and relevant Codes of Practice for managing dust, air quality and health risks on Australian worksites.
• Improve site visibility and housekeeping, reducing the likelihood of vehicle incidents, slips, trips and equipment damage caused by dust build‑up.
• Standardise the setup, operation and maintenance of dust suppression systems across multiple crews, shifts and locations.
• Demonstrate due diligence to regulators, clients and the community through documented, auditable dust control procedures.

Who is this for?

• Site Supervisors
• WHS Managers
• Project Managers
• Plant Operators
• Maintenance Supervisors
• Environmental Advisors
• Quarry and Mine Managers
• Construction Managers
• Facilities Managers
• Operations Managers

Hazards Addressed

• Inhalation of respirable crystalline silica and other hazardous dusts
• Chronic respiratory diseases such as silicosis, COPD and occupational asthma
• Eye irritation and temporary loss of visibility from airborne dust
• Reduced line‑of‑sight for mobile plant and vehicles leading to collisions
• Dust explosions in confined or enclosed plant where combustible dust is present
• Slips, trips and falls from dust accumulation on floors, walkways and platforms
• Equipment overheating and premature wear from dust ingress into moving parts and filters
• Environmental nuisance dust impacting neighbouring properties and public roads

Included Sections

• 1.0 Purpose and Scope
• 2.0 References, Standards and Legislative Requirements
• 3.0 Definitions and Types of Dust Suppression Systems
• 4.0 Roles and Responsibilities
• 5.0 Hazard Identification and Risk Assessment for Dust Generation
• 6.0 Selection of Appropriate Dust Suppression Methods
• 7.0 Required Plant, Equipment and Materials
• 8.0 Personal Protective Equipment (PPE) Requirements
• 9.0 Pre‑Start Inspections and System Readiness Checks
• 10.0 Safe Operating Procedure – Fixed Dust Suppression Systems
• 11.0 Safe Operating Procedure – Mobile and Vehicle‑Mounted Systems
• 12.0 Adjusting Systems for Weather, Task and Environmental Conditions
• 13.0 Water Quality, Run‑Off Management and Environmental Considerations
• 14.0 Monitoring Effectiveness of Dust Suppression and Airborne Dust Levels
• 15.0 Cleaning, Shutdown and Isolation Procedures
• 16.0 Maintenance, Fault Reporting and Corrective Actions
• 17.0 Emergency Procedures for System Failure and High‑Dust Events
• 18.0 Training, Competency and Induction Requirements
• 19.0 Recordkeeping, Inspection Forms and Audit Requirements
• 20.0 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
• Safe Work Australia – Managing the Risks of Airborne Contaminants at Work Code of Practice
• Safe Work Australia – Managing the Risk of Respirable Crystalline Silica from Engineered Stone in the Workplace Code of Practice (as applicable)
• Safe Work Australia – Managing Noise and Preventing Hearing Loss at Work Code of Practice (where dust control interacts with noisy plant)
• AS/NZS 1715: Selection, use and maintenance of respiratory protective equipment
• AS/NZS 1716: Respiratory protective devices
• AS/NZS ISO 45001: Occupational health and safety management systems – Requirements with guidance for use
• Environment Protection Authority (EPA) guidelines for dust and air quality management (state and territory specific)