Noise and Hearing Protection

Why it matters

Hearing loss is permanent, painless, and slow, which is why nobody takes it seriously until the ringing never stops. A demo saw runs at 110 decibels; damage starts at 85 over a workday. The rule of thumb: if you must shout to be heard at arm’s length, you are losing hearing right now.

Hazards

• ⚠ Saws, grinders, and demo tools above 100 dB
• ⚠ Generators and compressors droning all day near workers
• ⚠ Impact work in enclosed spaces multiplying exposure
• ⚠ Earbuds and music replacing hearing protection
• ⚠ Tinnitus ignored until it becomes permanent

Controls and safe practices

• ✓ Protection required when exposure exceeds the limits in 1926.52. Practically: plugs or muffs for any loud tool work.
• ✓ Plugs inserted right: rolled, pulled ear up, seated deep. A loose plug is decoration.
• ✓ Double up, plugs plus muffs, for demo saws, powder-actuated tools, and enclosed impact work.
• ✓ Move generators and compressors away from work areas; put barriers between noise and people.
• ✓ Take noise breaks; exposure is time times volume.
• ✓ Ringing ears after work is a warning shot. Report it and step up protection.

Crew discussion questions

1. Which tasks today need doubled-up protection?
2. Can we move the generator or compressor further away?
3. Who has ringing ears at the end of shifts?
4. Is anyone using earbuds instead of protection?

Applicable OSHA standards

29 CFR 1926.52, 29 CFR 1910.95

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