NOISE CONTROLS FOR UNDERGROUND MINING

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NOISE CONTROLSFOR UNDERGROUND MINING
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SOURCE PATH RECEIVER
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NOISE EXPOSURE CAN BE REDUCED BY

• APPLYING CONTROLS TO THE SOURCE (S)
• BLOCKING THE PATH (S)
• ENCLOSING THE RECEIVER

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FLIGHTS CAN BE ISOLATED FROM PAN / CONVEYOR
WEAR STEEL
VIBRATION DAMPING MATERIAL
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FLIGHTS ARE HELD IN PLACEON THE BOTTOM OF THE PAN
WEAR STEEL
VIBRATION DAMPING
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THE MINED MATERIAL LAYS BETWEEN THE WEAR STRIPS
AND FURTHER HELPS TO REDUCE THE SOUND
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VENTILATION FANSSHOULD BE KEPT ISOLATED FROM
FACE AREA
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Fan Silencers Should be Inspected and Cleaned as
Necessary
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SOUND ABSORPTIVE MATERIALS CAN BE INSTALLED
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MUFFLERS CAN BE COVEREDDOORS CAN BE TREATED
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EXHAUST SYSTEMS SHOULD BE MAINTAINED
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Original Equipment Manufacturers Cabs
Jumbo Drill
L H D
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OEM CABS ARE BECOMING MORE COMMONIN UNDERGROUND
MINING
LHD
SCALER
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CABS CAN ALSO BE FABRICATEDAND ACOUSTICALLY
TREATED
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BARRIERS CAN BE USED TO BLOCK SOUND LEVELS
EMITTED BY UNDERGROUND MINING EQUIPMENT
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(No Transcript)
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HERE ARE TWO EXAMPLES OF THE USE OF BARRIERS
JUMBO DRILL
SCALER
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CENTRAL MONITORING OF UNDERGROUND LOCATIONS
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Additional Resources
www.msha.gov/1999noise/Guides/SurftotalFinal.pdf
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Your children can whisper to you now, Dont
make them shout at you in the future