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Reducing Noise Exposure in Drill Operations: Source, Path, and Receiver Controls

Learn how to minimize noise exposure during drill operations by applying controls at the source, blocking the path, and enclosing the receiver. Discover effective solutions like barriers on drill masts, exhaust mufflers, and homemade operator barriers for a quieter work environment. Find out how to maintain noise controls with regular inspections and repairs. Remember, reducing noise now can protect your hearing for the future.

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Reducing Noise Exposure in Drill Operations: Source, Path, and Receiver Controls

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  1. SURFACE NOISE CONTROLS

  2. Source Path Receiver

  3. APPLYING CONTROLS TO THE SOURCE (S) BLOCKING THE PATH (S) ENCLOSING THE RECEIVER NOISE EXPOSURE CAN BE REDUCED BY:

  4. BARRIERS ON DRILL MASTS

  5. DRILL EXHAUST MUFFLERS

  6. HAMMER COVERS Conveyor Belting Over a Hammer

  7. Drill Barrier Shadow Zone Operator

  8. HOMEMADE BARRIERS FOR DRILL OPERATORS

  9. THREE SIDED ENCLOSURE

  10. OPERATOR CONSTRUCTED CABS

  11. Former Farm Equipment Cab Converted To A Portable Crusher Booth

  12. Original Equipment Manufacturers Cabs

  13. OPERATOR & HELPER CABS CABS

  14. INTERIOR RETROFIT

  15. FLOOR TREATMENTVIBRATION DAMPING ACOUSTICAL FLOORMAT

  16. AFTER MARKET SKIN KIT

  17. THE HOPPER IS MONITORED FROM THE CONTROL BOOTH Camera

  18. OPERATOR CONSTRUCTED ENGINE COVER

  19. MaintainYourNoise Controls • Exhaust components should be inspected and repaired when needed • Barriers should be cleaned and inspected • Acoustical materials should be replaced when worn or removed for servicing • Cabs or booths should be maintained • Engine covers should remain on when in use

  20. Additional Resources www.msha.gov/1999noise/Guides/SurftotalFinal.pdf

  21. Your children can whisper to you now, Don’t make them shout at you in the future

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