Navigating Health and Safety in Abrasive Blasting: Your Crucial Role

Safety in Abrasive Blasting poses severe health and safety risks, leading to potential fatalities and permanent injuries. Workers in this industry may suffer from lung damage, hearing loss, tinnitus, eye damage, and severe lacerations. Fatalities can occur due to inhaling carbon monoxide present in the breathing air produced by the combustion of compressor oil or motor exhaust fumes.

WorkCover Queensland prohibits sand blasting with materials containing over 1% free crystalline silica, including river sand and beach sand. Alternatives to sandblasting media include garnet, crushed glass, glass bead, metal shot, aluminium oxide, granulated plastic, and certain metal slags.

Workers should avoid abrasive blasting media containing restricted hazardous chemicals, ensuring compliance with safety data sheets. Regular checks of plant, equipment, and machinery used in abrasive blasting are essential to identify wear and damage, requiring daily inspections by operators. Log books and inspection check sheets with a comprehensive service and repair history should be maintained by machinery and equipment owners.

Personal protective equipment (PPE) plays a crucial role in safeguarding workers against hazards. This includes air-line positive pressure hoods or helmets, protective suits, chemically resistant gloves, safety boots, aprons, and barrier cream for short-term protection.

Air supplied to an abrasive blaster's helmet must meet specified standards for breathability. Requirements include continuous cool air supply, oxygen content between 19.5 and 22%, carbon monoxide levels below 10 parts per million, and adherence to additional criteria.

Air compressors supplying breathing air should have safety features like carbon monoxide monitors with alarms and high-temperature protection cut-off switches for oil-lubricated compressors. Safe procedures involve periodic air quality testing, proper compressor placement, and a comprehensive respiratory protection program.

Housekeeping is crucial to minimize exposure risks. While preventive measures should contain dust during abrasive blasting, any escaped dust or residue should be promptly cleaned using wet methods or industrial vacuum cleaners designed for hazardous dust.

When working in confined spaces, the person in control of a business or undertaking must identify associated hazards, particularly when blasting walls inside tanks, vessels, or silos. Common confined space hazards include lack of oxygen, toxic gases, flammable substances, engulfment, and mechanical equipment risks.

By adhering to these safety measures, workers contribute to a safer abrasive blasting environment and reduce the potential for injuries and health issues.



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