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

+ 3 more checks

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