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Exposure to noise Associated hazards. Annoyance and irritationAffects concentration and efficiencyFatigue and proneness to accidentsInability to hear other sounds, instructions and warnings. Exposure to noise Associated hazards. Short exposure:can lead to temporary hearing lossRegular exposu
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1. The Noise at Work Regulations 1989 Sources of noise:
hammering
riveting
cartridge-operated tools
drilling:
a) hand drills
b) pneumatic drills
industrial machinery
engine-driven plant
2. Exposure to noiseAssociated hazards Annoyance and irritation
Affects concentration and efficiency
Fatigue and proneness to accidents
Inability to hear other sounds, instructions and warnings
3. Exposure to noiseAssociated hazards Short exposure:
can lead to temporary hearing loss
Regular exposure:
damage to inner ear
permanent loss of hearing
Note: Occupational deafness is a reportable disease
4. Noise exposure levels Three levels of daily personal exposure:
First action level = 85 dB(A)
(You have to shout to be heard at 2 metres)
5. Noise exposure levels Second action level = 90 dB(A)
(You have to shout to be heard at 1 metre)
Third action level = 140 dB(A)
(The noise level produced by some cartridge tools)
6. Noise First action level
Employers must:
arrange noise assessment to identify who is at risk
make ear protection available if requested
reduce noise to lowest practicable level
set up and keep records
provide information and training on risk of damage to ears, use of ear protectors, etc.
7. Noise Second action level
Employers must:
set up a control programme
create ear protection zones
provide and maintain ear protection
ensure ear protection is worn by anyone entering ear protection zone
8. Noise Employees must:
use ear protectors or other hearing protection measures provided
report any defects in the hearing protection measures provided to employer
9. Noise Remember the general duty of employees:
co-operation with employer
compliance with the law and employer’s safe systems
proper and correct use of safety equipment
10. Types of ear protection Disposable ear plugs:
correct insertion essential
not re-usable
handle only with clean hands
Re-usable ear plugs:
need regular and careful washing
supply and fitting by trained person
may need different sizes for each ear
dirt can cause ear irritation
11. Types of ear protection Ear defenders:
must be correct type for job
will not be effective if damaged or worn out
must fit correctly – headband not too tight or too loose
facial hair or spectacles may cause problems
12. Mandatory warning sign White symbol on a circular blue background with white lettering below the symbol
13. Noise Levels
14. Vibration Hand-arm vibration (HAVS):
chainsaws
hand-held rotary tools:
a) grinding
b) sanding
c) polishing
Whole body vibration:
ride-on plant operators
15. Vibration Hand-held percussive tools:
metal work
riveting
chipping
hammering
demolition
pneumatic drills
electric hammer drills
16. Vibration Affects:
blood vessels
some nerves
muscles and tendons
possibly other body organs
17. Vibration ‘Vibration white finger’ is a reportable disease
Use of anti-vibration handles, etc.
Other preventative measures include:
keep your hands warm and dry
avoid tensing hand and arm muscles
break up the job into ‘short bursts’