Welding Fumes – Compliance

Welding Fumes in Industrial Facilities: Managing Exposure and Compliance

Welding and metal fabrication processes generate hazardous airborne fumes that can pose significant health risks to workers. In large industrial facilities, these contaminants can spread beyond the immediate welding area, affecting air quality throughout the building.

Understanding Welding Fume Exposure Risks

Welding fumes contain fine metallic particles and potentially harmful chemical compounds. Prolonged exposure has been associated with respiratory illnesses, lung damage and an increased risk of cancer.

In January 2024, the Australian workplace exposure standard for welding fumes (not otherwise classified) was reduced from 5 mg/m³ to 1 mg/m³, measured as an eight-hour time-weighted average.

This reduction reinforces the importance of effective fume extraction, workplace air monitoring and appropriate ventilation controls.

Why Source Extraction Alone May Not Address Building-Wide Air Quality

Local exhaust ventilation (LEV) is a primary engineering control for capturing welding fumes at their source. However, residual airborne contaminants may still circulate or accumulate within large manufacturing facilities, potentially affecting workers outside the immediate welding area.

Building-wide ventilation can complement effective source extraction by improving general airflow and assisting with the removal of residual airborne contaminants.

How Airocle Supports Industrial Air Quality

Airocle designs and manufactures engineered natural ventilation systems for industrial buildings, using wind-driven and thermal airflow to support air movement and the removal of accumulated heat and airborne contaminants.

Where suitable, these systems can complement local fume extraction and other engineering controls as part of a broader workplace air quality management strategy.

Improve Ventilation in Your Industrial Facility

Effective welding fume management requires consideration of contaminant sources, worker exposure, building airflow and appropriate engineering controls.

Looking for an engineered ventilation solution?

Explore Airocle’s Industrial Fumes & Airborne Contaminants Solutions →

Reference: Safe Work Australia – Welding Fumes.

Problem

Condensation & Moisture Control

Uncontrolled moisture infiltration in cold storage facilities can cause damage that remains largely invisible until it becomes an operational problem. Airocle helps identify airflow and moisture issues and develop engineered ventilation solutions to protect building assets.

Smoke & Hazard Management

Roof ventilators often form part of a building's smoke hazard management system under NCC Section E. Modifying or replacing existing ventilators without proper assessment can compromise smoke exhaust performance, occupant safety and building compliance.

Smoke Exhaust Capacity

Natural smoke exhaust systems must be designed around the project's defined fire scenarios and smoke hazard management objectives.

The required exhaust capacity depends on factors such as design fire characteristics, smoke production, building geometry and the intended smoke layer height.

Ventilator sizing, effective aerodynamic opening area and exhaust locations are assessed together to determine how the proposed system can support smoke removal under the specified design conditions.

Airocle works with project engineers to translate these requirements into suitable natural smoke ventilator selections and layouts.