Practical Steps to Manage HAV

Jim Maccall

Session Plan

1. Health vs Safety 2. Vibration White Finger 3. Carpal Tunnel Syndrome 4. Other conditions 5. What do points make… 6. Other Controls 7. CDM 2015 8. Summary Practical Steps to Manage HAV

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What is HAVS?

“I know it like the back of my hand”

Practical Steps to Manage HAV

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Health vs Safety

Practical Steps to Manage HAV

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Vibration White Finger (VWF) Practical Steps to Manage HAV

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Carpal Tunnel Syndrome Practical Steps to Manage HAV

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Reynauds Phenomenon Practical Steps to Manage HAV

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Hypothenar Hammer Syndrome Practical Steps to Manage HAV

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Bible Bumps – Ganglion Cysts Practical Steps to Manage HAV

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Viking Hand – Dupuytrens Contracture Practical Steps to Manage HAV

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Tennis Elbow Practical Steps to Manage HAV

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Rotator Cuff Injury Practical Steps to Manage HAV

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Controlling Exposure

Practical Steps to Manage HAV

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What do points make… • • • • Job 1 - Risk Assess jobs being done and equipment used – Eliminate exposure Job 2 – Control - HSE Vibration Points Exposure Action Value – 100 Points – keep below if possible and make sure health surveillance is done Exposure Limit Value – 400 Points – maximum a worker can be exposed to in a working day Practical Steps to Manage HAV

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Managing the Risk • • • • • Risk Assessing is simply done: Look at the whole job How many workers What equipment is being used Different equipment exposes the worker to different amounts of vibration This is known as the vibration dose Practical Steps to Manage HAV

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Typical Vibration Values and Trigger Times Tool type Road breaker – Air – 25kg Stihl Saw – TS410 Stihl Saw – TS400 Breaker - JCB Beaver – Low Vibration Breaker – JCB Beaver Floor Saw – Clipper C99 Makita ½” drive Impact Wrench Atlas Copco 2 stroke breaker – Cobra Trench Rammer – 2 stroke Wacker Reversible Compaction Plate Practical Steps to Manage HAV Dose 3.6

3.9

6.8

3.2

4 4.7

16.5

4.6

9.8

10 Time to 100 Points 03h 51m 03h 17m Time to 400 Points 15h 26m 13h 09m 04h 20m 19h 32m 12h 30m 09h 03m 00h 44m 09h 27m 02h 05m 02h 00m Manufacturers Data - values in m/s 2

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George Practical Steps to Manage HAV

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Case Study - George • • • • • • • Vibration magnitude of CP9 at the time – 32m/s 2 Points per hour = (MxM)x2 (32 x 32) x 2 = 2048 point per hour Or 34 points per minute EAV (Exposure Action Value – 100 points) in 3 minutes ELV (Exposure Limit Value – 400 points) in 12 minutes George was regularly getting >8,000 points per day Practical Steps to Manage HAV

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Elimination – Pile Cropper Practical Steps to Manage HAV

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Elimination – Brokk Practical Steps to Manage HAV

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Trigger Time

Practical Steps to Manage HAV

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Measuring Trigger Time A stop watch - operated by 2 nd person A timer linked to the power source • A timer activated by vibration that also monitors points e.g. The HAVi Practical Steps to Manage HAV

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So how does HAVi work on site?

Retrofitted to any tool Vibration magnitude Colour coded HSE points Flashing Light Operated remotely Trigger time

Practical Steps to Manage HAV

Heavy Duty TRAINING

Other Controls • Train your team • Ergonomics • Equipment maintenance • Anti vibration gloves???

• Health surveillance • Planning – CDM 2015 Practical Steps to Manage HAV

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CDM 2015 – Regulation 12 • The construction phase plan must set out the arrangements for securing health and safety during the period construction work is carried out. These arrangements include site rules and any specific measures put in place where work involves one or more of the risks listed in Schedule 3 •

Work which puts workers at risk from chemical or biological substances constituting a particular danger to the safety or health of workers or involving a legal

requirement for health monitoring

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Conclusion • • • • • Remember HAVS has no cure but its progress can be halted Its now easier to prevent than ever Job risk assessment should aim to keep exposure below 100 points per person Legal limit is 400 points in 1 shift – for emergencies!

HAVi is a simple essential piece of PPE Practical Steps to Manage HAV

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HAVi Training • • • A range of training options including: IOSH HAV Management Essentials – 1 day HAV Essentials – ½ day HAV Basics – 2 hour • • New 1 day courses – to be accredited Construction Dust Management Essentials Noise Management Essentials Practical Steps to Manage HAV

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