Safety checklist — Excessive noise
Hearing protection and exposure thresholds. Compliant with Québec's Construction Safety Code (CSTC) and CNESST standards.
Before work
9 items- ✓
Noise level assessed — sound level meter or task-based estimate
ℹ️ Jackhammer ~110 dB, circular saw ~105 dB, nailer ~100 dB
- ✓
Hearing protection selected by level: plugs (NRR 25+) and/or muffsCritical
ℹ️ OHS Reg: 85 dBA limit over 8 h — noise doubles every +3 dB
- ✓
Workers trained on correct use of hearing protectors
- ✓
High-noise zone identified and signed (pictogram)
- ✓
Baseline audiogram completed for regularly exposed workers
ℹ️ Hearing surveillance program recommended by CNESST
- ✓
Hearing protection worn AT ALL TIMES in identified zone
- ✓
Worker rotation if prolonged exposure > 85 dBA
- ✓
Low-noise tools used if available (silenced saw, etc.)
- ✓
Breaks in quiet zone to limit daily dose
After work
3 items- ✓
Tinnitus or hearing loss reported immediately
- ✓
Hearing protectors cleaned and inspected — replace worn plugs
- ✓
Exposure duration logged if surveillance program in place