Rock drilling and blasting support JHA: hazards, controls and PPE.
Start from this template, add what's different on your site today, and have the crew sign.
| Hazards · Rock drilling and blasting support |
|---|
| Silica dust |
| Flyrock and misfires |
| Noise |
| Rotating drill steel |
Controls
- Dust collector or water on the drill (Table 1).
- Only a licensed blaster handles explosives. Everyone follows the blaster's signals and clear zone.
- Nobody goes back in until the blaster calls all clear.
- Report misfires to the blaster. Don't drill near them.
All 5 hazards and 6 controls → · 29 CFR 1926.1153 Table 1
Toolbox talk: Silica dust
A starting point, not a finished JHA. Walk the site and have the competent person sign it.
Hazards
- Silica dust
- Flyrock and misfires
- Noise
- Rotating drill steel
- Falls at highwalls and benches
Controls
- Dust collector or water on the drill (Table 1).
- Only a licensed blaster handles explosives. Everyone follows the blaster's signals and clear zone.
- Nobody goes back in until the blaster calls all clear.
- Report misfires to the blaster. Don't drill near them.
- Guards on rotating parts. Hearing protection.
- Fall protection or barricades at highwall edges.
PPE
- Hard hat
- High-vis vest (Class 2; Class 3 at night)
- Safety glasses
- Hearing protection
- Respirator when Table 1 calls for it
- Steel-toe boots
OSHA rules
29 CFR 1926.1153 Table 1 · 29 CFR 1926 Subpart U (blasting)
Toolbox talk: Silica dust
- Cutting, grinding or drilling concrete, block, brick or stone makes silica dust. It causes silicosis and lung cancer.
- Water on the blade or a vacuum shroud, every time.
- Follow Table 1 for the tool. It says when you need a respirator.
- No dry sweeping or compressed air. Wet sweep or HEPA vac.
- A written exposure control plan is required, and a competent person runs it.
The full talk, with questions for the crew →
A starting point, not a finished JHA. Walk the site, add what's different today, and have the competent person sign it.
Tomorrow, the crew signs it on one phone.
Dozer writes the JHA and the toolbox talk from what you say and what the cameras saw yesterday. The crew signs on the foreman's phone, and it files itself in the site's day.
- One JHA per task, per day, in under a minute
- The toolbox talk that matches the work
- Signatures on one phone, no clipboard
- Filed with the daily log, ready for an inspector
LIVE Toolbox talk · trench safety · 12 signed Photo is an AI-generated stand-in, not a customer site.
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Questions crews ask
What are the hazards of rock drilling and blasting support?
Silica dust. Flyrock and misfires. Noise. Rotating drill steel. Falls at highwalls and benches.
What controls go in a rock drilling and blasting support JHA?
Dust collector or water on the drill (Table 1). Only a licensed blaster handles explosives. Everyone follows the blaster's signals and clear zone. Nobody goes back in until the blaster calls all clear. Report misfires to the blaster. Don't drill near them. Guards on rotating parts. Hearing protection.
What PPE is needed for rock drilling and blasting support?
Hard hat, High-vis vest (Class 2; Class 3 at night), Safety glasses, Hearing protection, Respirator when Table 1 calls for it, Steel-toe boots. Add what your site and the task's SDS call for.
Which OSHA rules cover rock drilling and blasting support?
29 CFR 1926.1153 Table 1; 29 CFR 1926 Subpart U (blasting).
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