Scout's Toolbox Talks

Engineering Controls for Noise

Toolbox Talk:

Engineering Controls to Reduce Workplace Noise

June 27, 2025

Engineering controls are your first line of defense against hazardous noise levels.

Why It Matters:

Instead of relying solely on hearing protection, OSHA recommends controlling noise at the source whenever possible. Reducing overall noise exposure benefits everyone on site, including those not directly involved in the task. Long-term exposure to high-decibel environments leads to permanent hearing loss — and once it’s gone, it doesn’t come back.

Key Points:

  • Engineering controls aim to eliminate or reduce noise at its source. Common examples include:
    • Installing sound barriers or enclosures around loud machinery.
    • Using vibration dampening pads or mounts to reduce noise from equipment.
    • Replacing older tools with quieter models or those labeled “low-noise.”
    • Adding acoustic panels or insulation in areas with consistent high-volume tasks.
  • Preventative maintenance is a form of engineering control — loose parts, worn bearings, and poor lubrication can all increase noise output.
  • Consider automating high-noise processes where possible, so workers spend less time near the source.
  • These controls not only reduce hearing risks, but also improve communication and concentration on site.
  • OSHA encourages implementation of feasible engineering controls over administrative or PPE-only solutions (29 CFR 1910.95 and 1926.52).

✅ Controlling the noise is safer than simply trying to block it.

Ask the Crew:

  • Are there any machines on-site that could benefit from noise-reducing enclosures?
  • Have we reported excessively noisy tools or malfunctioning equipment?
  • What areas of the site consistently exceed safe noise levels?