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The hidden danger on-site: Silica dust 

Construction sites come with plenty of obvious hazards but some of the most dangerous ones are the ones you can’t see. One of those hidden risks is respirable crystalline silica dust (RCS), extremely small particles that can be breathed deep into your lungs, increasing the risk of serious lung diseases

If you’re cutting, grinding, sanding, or polishing materials like concrete, stone, brick, or mortar, there’s a good chance you’re creating RCS dust. And while it might not look like much, breathing it in can cause serious, long-term health problems.

Why silica dust is dangerous

When silica dust gets into your lungs, it can cause a disease called Accelerated Silicosis. This is a fast-acting, life-threatening condition that scars the lungs and makes it harder to breathe over time. The tricky part? You might not even notice symptoms until the damage is already done.

That’s why it’s so important to understand the risk and take simple steps to control it.

How to reduce the risk on-site

Safework Australia recommends several ways to reduce exposure and keep your crew safe:

1. Use safer materials: Whenever possible, choose materials with a lower silica content.
2. Isolate dusty work: Keep dusty work away from others using barriers or enclosed equipment like CNC machines.
3. Use the right gear: Fit your tools with dust collectors that have H-class HEPA filters.
4. Add water: Wet cutting helps stop dust from becoming airborne in the first place.
5. Clean up the right way: Avoid dry sweeping. Use low-pressure water, wet wipes, or a HEPA-filtered vacuum to clean instead.
6. Wear proper PPE: Make sure respirators are fit-tested and cleaned after each use. Disposable coveralls or other protective clothing can also help stop dust from going home with you.
7. Monitor exposure: Anyone exposed to silica dust should have regular health checks to pick up early signs of damage.

Keep your crew in the know

Most people who develop silicosis didn’t realise they were at risk. That’s why it’s vital to talk about RCS, train your team, and make sure everyone knows how to stay safe.

At the end of the day, the goal is simple: everyone goes home safe and healthy.

Want to learn more about managing silica dust on-site? Get in touch with the friendly team at HazardCo. We’re here to help you keep health and safety simple.