WBV, Noise, HAV - IOSH · What the law requires • Control of Noise at Work Regulations 2005...
Transcript of WBV, Noise, HAV - IOSH · What the law requires • Control of Noise at Work Regulations 2005...
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Health and Safety ExecutiveHealth and Safety Executive
WBV, Noise, HAV
HSE’s perspective
Paul Brereton
HM Principal Specialist Inspector (Noise & Vibration)
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What the law requires
• Control of Noise at Work Regulations 2005
– Guidance in L108
• Control of Vibration at Work Regulations 2005
– Guidance in L140 (HAV), L141 (WBV)
• RIDDOR 2013
– Reporting of HAVS and CTS
• Supply of Machinery (Safety) Regulations 2008
– Low noise, low vibration machinery
– Noise and vibration information facilitating
choice and helping with risk assessment
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Health and Safety ExecutiveHealth and Safety Executive
Whole-body vibration
(WBV)
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BIRD tool development
Compliance
Other Issues
Posture
Vehicle
Vibration
Health outcomes BIRD – Back Injury
Risk in Drivers
• WBV can cause
complaints of
discomfort or injury
• BIRD helps you
identify the most likely
cause of injury
• WBV likely to
aggravate – not cause
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BIRD tool development
Other similar tools
• HSE MACManual handling
Assessment Charts
• HSE ARTAssessment of Repetitive
Tasks of the upper limbs
• RULARapid Upper Limb
Assessment
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BIRD tool
Back Injury Risks In Driving Tool Progress: 50%
Seat condition
Ver
y p
oo
r
Po
or
OK
Go
od
Ver
y go
od
No
t ap
plic
able
Score
Seat coverings significantly
damaged or ripped
5 4 3 2 1
Seat coverings in very good
condition
Seat padding very compacted,
damaged or missing
5 4 3 2 1
Seat padding at full volume
Fore-aft control inoperable or
inaccessible
5 4 3 2 1 N/A
Fore-aft control in good
condition and operable
Backrest control inoperable or
inaccessible
5 4 3 2 1 N/A
Backrest control in good
condition and operable
Seat suspension control (may
operate in conjunction with
driver height adjustment)
Seat suspension control
inoperable or inaccessible
5 4 3 2 1 N/A
Seat suspension control in
good condition and operable
Weighted average score:
Summary:
Recommendations:
Backrest control
The backrest control should be in good
condition and fully operable. It allows
the driver to achieve effective back
support, and help adjust the reach
between hands and feet.
3
Backrest control sometimes di fficul t to operate
The seat suspension control should be in
good condition and fully operable. The
suspension is critical to providing
effective vibration control.
4
Seat suspens ion control di fficul t to operate or access
4
Seat needs some attention and may need replacing Seat coverings in good condition. Seat padding slightly compacted. Fore-aft control sometimes difficult to operate.
Seat repair work required Repair/maintain fore-aft control.
Seat padding Seat padding is a component of vibration
control, and aids general comfort and
support.
2
Seat padding s l ightly compacted
Fore-aft control
Fore-aft controls should be in good
condition and fully operable. They allow
the seat to be positioned such that the
driver can comfortably reach a little
beyond all main hand and foot controls.
3
Fore-aft control sometimes di fficul t to operate
2
Seat coverings in good condition
BIRD Tool
Not set
Seat coveringsSeat covering condition is an indication
of the general condition of the seat.
Seat condition and set up are crucial to allowing workers to achieve a good posture that can be maintained comfortably whilst driving.
The seat should be in good condition, that means:
- padding and seat covering in good condition,
- key controls for seat adjustment working and easy to operate (if the seat does not have the control, select 'not applicable').
NOTE - This section is about seat condition; the next section looks at the use of the seat and whether it is set up correctly.
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Summary
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Health and Safety ExecutiveHealth and Safety Executive
Noise
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Noise – Employer liability claims
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Liability claims – HSE response
Why so many claims for deafness?
• Are appropriate noise controls in place?
– Difficult to source in some sectors
• Proper use of noise control equipment?
• Buying Quiet?
• Are hearing protection programmes working?
– Selection of suitable hearing protection?
– Training of workers and supervisors?
– Health Surveillance?
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Buy Quiet – Market Surveillance
• European joint market
surveillance action on safe
use of chainsaws
– including Noise and HAV
• 20dB difference between
noisiest and quietest
chainsaws
– BUT not all chainsaws
equally efficient
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Buy Quiet
•Find tools good at the job
–Avoid unnecessarily high
noise models
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NOMAD
European project to –
• Improve compliance with noise
requirements on manufacturers
– Noise information used to compare
actual noise with the state-of-the-
art noise control
– Value(s) should represent noisiest
typical use
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Health and Safety ExecutiveHealth and Safety Executive
Hand-arm vibration
(HAV)
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Do I have to Measure Vibration?
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What can we do?
NO•Identify your risks and
how to control them
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Eliminate exposure to HAV
• Low maintenance planting
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Substitute lower HAV equipment
• Remote Control – reduce
noise and vibration, also
could be faster
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Administrative controls
• Last resort
– Job rotation
– Time limiting
• Plan the work
• Traffic light system
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PPE
• No PPE for HAV
• Gloves and warm clothes
help reduce likelihood of
symptoms, not exposure
• You should assume no
protection from ‘anti-
vibration’ gloves
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Sources of vibration data
• Measured vibration magnitude
– HAV – 3.3 m/s2 (4.5 hrs to EAV)
• Manufacturer data
– HAV – 2.8 m/s2 (6.5 hrs)
– WBV – 0.5 m/s2 (8 hrs)
• Measured vibration magnitude
– HAV – 5.5 m/s2 (1.5 hrs)
– WBV – 1.9 m/s2 (30 mins)
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http://www.hse.gov.uk/vibration/hav/index.htm
Sources of
vibration
data
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Sources of vibration data
• Caution required to
avoid misleading data
• Standard tests usually
produce good data for
some tools in a class
• Best to share good
data
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Sources of vibration data
• Use recommended initial value for RA
• Range indicates whether lower vibration alternatives may be available
• Responsibility on dutyholder to demonstrate validity of their data if using lower values
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Buy SmoothFind tools capable of the job
Avoid the models with unnecessarily high vibration
(LowVib)
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HAV – Too much data?
Not enough control!
• Too many sellers of measurements
– Assessment is to find out how to comply
• Is there a risk?
• What control measures will work?
• Too many suppliers of monitors
– Continual monitoring unnecessary
• Too few advisers on good practice
– Most companies know what to do but lack
confidence
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http://www.hse.gov.uk/vibration/hav/index.htm
Exposure
monitoring
Q&A
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Exposure monitoring
• No HSE requirement for
continual monitoring
• If measurements must be
made, instruments to
comply with ISO 8041
• Effort should be directed
at control ALARP and
health surveillance – not
monitoring
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Information, Instruction and Training
• Employees to know:
–vibration risk
–control measures
–how to identify and report signs and symptoms
–how health surveillance will help them
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Health Surveillance
• To keep people in
work
• To prevent
progression
• To avoid disability
• Consider change of
job
• No safe level (negligible risk at 1 m/s²)
• Presentation only, not for circulation
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Key messages
• Assess wisely – to identify controls
• Control the risk
• Share success stories
–The good processes and tools
• Share typical-use emission values
• Prevent disability – use health
surveillance findings
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Have a good day…
Questions?