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Motor Vehicle Repair – Peter Woolgar. Motor Vehicle Repair (MVR) Industry structure – Main dealers and franchises – Independent/Family – Self employed.

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Presentation on theme: "Motor Vehicle Repair – Peter Woolgar. Motor Vehicle Repair (MVR) Industry structure – Main dealers and franchises – Independent/Family – Self employed."— Presentation transcript:

1 Motor Vehicle Repair – Peter Woolgar

2 Motor Vehicle Repair (MVR) Industry structure – Main dealers and franchises – Independent/Family – Self employed Industry structure – Mechanical – Bodyshop – Mobile/peripatetic

3 HSE approach to MVR HSE dedicated team Working with the industry – MVR H&S Forum – Industry needs simple specific information Guidance – Website – Example risk assessments – COSHH Essentials – HSG 261 – INDG 356, 388

4 Key hazardous substances in MVR Hazardous substanceWhere foundHealth risk Isocyanate based paints Bodyshops and peripateticAsthma, Dermatitis Bodywork fillers and dusts BodyshopsDermatitis, respiratory irritation. lead? Vehicle exhaust fumes MechanicalEye and respiratory irritation, lung cancer? Welding fumeMechanical, bodyshops, and peripatetic Asthma, pneumonia Used engine oils MechanicalDermatitis, skin cancer Solvents, adhesives, sealants Mechanical, bodyshops, and peripatetic Dermatitis, acute respiratory problems Vehicle fuelsMechanicalDermatitis

5 Isocyanates Found in MVR paints – hardener in 2 pack paints – used in some base coats and nearly all lacquers – also in many water-based paints Top cause of occupational asthma in UK Vehicle paint sprayers 80x more likely to get asthma than average worker

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8 Occupational asthma Early symptoms of asthma include: recurring blocked or runny nose; recurring sore or watering eyes; chest tightness, often occurring outside working hours; persistent cough; wheezing; and breathlessness.

9 Occupational asthma Continued exposure may lead to permanent and severe asthma. There is no cure. Once affected breathing in small amount of isocyanate can trigger an attack. Affected employees would have to give up their current job.

10 HSE Campaign Objective: to reduce incidence of occupational asthma in MVR by 20+% Strategy: Provide information on risks and controls to individual bodyshops Main activities: – half day workshops for bodyshop owners/managers and sprayers – communication through trade associations, magazines etc Based on evidence of effect, activity, cause and solutions

11 Campaign - Other activity Training and inspection packs for labour inspectors Updates to HSE website 10 myths Videos Revised free guidance

12 Key controls(1) Paint contents - labels and information Beware alternative names – eg 2 pack, 2K,

13 Key controls(2) Paint mixing – Well ventilated (10 air changes/hour) – Proprietary system with built in extraction (if possible) – Replace lids – Trays for spillages

14 Key controls(3) Paint Spraying - Use of spray booth/room

15 Isocyanate Exposure limits UK exposure limits for isocyanate – 20 microgram/m 3 (8 hours) – 70 microgram/m 3 (15 mins) microgram (ųg) = gm What are exposures like during spraying?

16 Spray rooms Rooms have an extraction fan, usually in a side wall. Entry of replacement air may be planned, or more usually unplanned.

17 Spray booths Spray booths are designed with air blown in and sucked out through filters in a planned way. Often down-draught, with air blown in through the ceiling and out through the floor

18 Isocyanate Exposure Spray room oIn the room = 1500 – 7000 ųg/m3 oSprayer = 1000 – 5000 ųg/m3 Spray booth oIn the booth = 500 – 1500 ųg/m3 oSprayer = <600 ųg/m3 UK exposure limits – 20 ųg/m3 (8 hours) – 70 ųg/m3 (15 mins)

19 5 minute exposure pattern

20 Purpose of spray room/booth Stop the spread of the fine paint mist Reduce exposure of sprayer Prevent exposure to others inside and outside the workplace Control the spread of vapour (during baking)

21 How do spray rooms/booths work Negative pressure is created by air extraction – prevents spread of mist/vapour into the workplace Spray mist is diluted and displaced – reducing exposure of users Exhaust air is filtered or discharged safely – prevents, or minimises, exposure of others

22 Theory of spray room

23 Reality of spray room

24 Effect on sprayer

25 Theory of downdraught booth

26 Reality of downdraught booth

27 Sprayer exposure

28 Effect of spray gun

29 Effect on sprayer

30 Sprayer behaviour Need/want to look at paint finish. Want to remove RPE. How long does it take for the air to clear of the paint mist?

31 Typical clearance time Spray booths – clearance time = 1 – 5 mins Spray rooms – clearance time = 3– 20 mins

32 How to check clearance time? Fill booth with smoke, using party smoke machine. Measure time to clear, check annually

33 Commercial vehicle spraying Spray booths for commercial vehicles – large volume – need professional type smoke generator

34 Show clearance time Put up sign on booth/room Not exact – round up the time.

35 Key Controls (4) Respiratory Protective Equipment – types

36 Unsuitable RPE Do not accept any kind of filtering device – Easily overloaded, cannot smell or taste isocyanate

37 Key controls (5) Gun cleaning Clean in spray booth or use proprietary equipment

38 Key controls (6) Health Surveillance – Annual lung function testing – spirometry – Annual questionaire For new employees – On starting work, 6 weeks, 12 weeks, annual If evidence that well controlled - questionaire

39 Key controls (7) Biological monitoring – Urine sample at end of shift – Analysis for diamine metabolite Only method to check whether all controls working

40 Isocyanate exposure from SMART SMART = small/medium area repair technique Mini spray gun < 2bar Exposure time < 1 min Sprayer wears air-fed RPE Indoors – room/booth = clearance time, or 30 mins in workshop Outdoors - no exposure > 5-10m

41 Key messages summary MVR Paint spraying 1.Isocyanate paints used in virtually every bodyshop 2.Spraying gives invisible mist - that can be breathed in 3.Booths/room take time to clear – know the clearance time 4.Isocyanates cause occupational asthma - it can ruin lives 5.Wear air fed breathing apparatus 6.Check controls are working 7.Have regular health surveillance

42 Key hazardous substances in MVR Hazardous substanceWhere foundHealth risk Isocyanate based paints Bodyshops and peripateticAsthma, Dermatitis Bodywork fillers and dusts BodyshopsDermatitis, respiratory irritation, lead? Vehicle exhaust fumes MechanicalEye and respiratory irritation, lung cancer? Welding fumeMechanical, bodyshops, and peripatetic Asthma, pneumonia Used engine oils MechanicalDermatitis, skin cancer Solvents, adhesives, sealants Mechanical, bodyshops, and peripatetic Dermatitis, acute respiratory problems Vehicle fuelsMechanicalDermatitis

43 Other hazardous substances in MVR Bodywork fillers and dusts – 2 pack fillers – reactive – Hardeners = skin irritants, & some skin sensitisers – Total dust – Lead in older vehicles Use least harmful fillers Protect skin when applying Minimise grinding Local exhaust ventilation Dust mask

44 Key hazardous substances in MVR Hazardous substanceWhere foundHealth risk Isocyanate based paints Bodyshops and peripateticAsthma, Dermatitis Bodywork fillers and dusts BodyshopsDermatitis, respiratory irritation. lead? Vehicle exhaust fumes MechanicalEye and respiratory irritation, lung cancer? Welding fumeMechanical, bodyshops, and peripatetic Asthma, pneumonia Used engine oils MechanicalDermatitis, skin cancer Solvents, adhesives, sealants Mechanical, bodyshops, and peripatetic Dermatitis, acute respiratory problems Vehicle fuelsMechanicalDermatitis

45 Other hazardous substances in MVR Vehicle exhaust fumes – carbon monoxide – diesel fume Local exhaust ventilation Beware pits

46 Other hazardous substances in MVR Hazardous substanceWhere foundHealth risk Isocyanate based paints Bodyshops and peripateticAsthma, Dermatitis Bodywork fillers and dusts BodyshopsDermatitis, respiratory irritation. lead? Vehicle exhaust fumes MechanicalEye and respiratory irritation, lung cancer? Welding fumeMechanical, bodyshops, and peripatetic Asthma, pneumonia Used engine oils MechanicalDermatitis, skin cancer Solvents, adhesives, sealants Mechanical, bodyshops, and peripatetic Dermatitis, acute respiratory problems Vehicle fuelsMechanicalDermatitis

47 Other hazardous substances in MVR Welding Fume – Asthma – Pneumonia Local exhaust ventilation

48 Welding fume control 75mm 150mm Cross Draught

49 Welding - flammability risk Hot work – flammable fuels etc Gas welding/cutting – Safe storage – Turn off valves after use – Hose maintenance

50 Key hazardous substances in MVR Hazardous substanceWhere foundHealth risk Isocyanate based paints Bodyshops and peripateticAsthma, Dermatitis Bodywork fillers and dusts BodyshopsDermatitis, respiratory irritation. lead? Vehicle exhaust fumes MechanicalEye and respiratory irritation, lung cancer? Welding fumeMechanical, bodyshops, and peripatetic Asthma, pneumonia Used engine oils MechanicalDermatitis, skin cancer Solvents, adhesives, sealants Mechanical, bodyshops, and peripatetic Dermatitis, acute respiratory problems Vehicle fuelsMechanicalDermatitis

51 Other hazardous substances in MVR Used engine oils Dermatitis Skin cancer – Avoid contact – Wear gloves – Check skin

52 Key hazardous substances in MVR Hazardous substanceWhere foundHealth risk Isocyanate based paints Bodyshops and peripateticAsthma, Dermatitis Bodywork fillers and dusts BodyshopsDermatitis, respiratory irritation. lead? Vehicle exhaust fumes MechanicalEye and respiratory irritation, lung cancer? Welding fumeMechanical, bodyshops, and peripatetic Asthma, pneumonia Used engine oils MechanicalDermatitis, skin cancer Solvents, adhesives, sealants Mechanical, bodyshops, and peripatetic Dermatitis, acute respiratory problems Vehicle fuelsMechanicalDermatitis

53 Other hazardous substances in MVR Solvents - wide range Dermatitis – Avoid skin contact – Wear gloves – Check skin Inhalation – Good ventilation Flammable

54 Other hazardous substances in MVR Adhesives/sealants Some 2 pack are skin irritant/sensitisers Dermatitis – Avoid contact – Use dispensers – Wear gloves

55 Key hazardous substances in MVR Hazardous substanceWhere foundHealth risk Isocyanate based paints Bodyshops and peripateticAsthma, Dermatitis Bodywork fillers and dusts BodyshopsDermatitis, respiratory irritation. lead? Vehicle exhaust fumes MechanicalEye and respiratory irritation, lung cancer? Welding fumeMechanical, bodyshops, and peripatetic Asthma, pneumonia Used engine oils MechanicalDermatitis, skin cancer Solvents, adhesives, sealants Mechanical, bodyshops, and peripatetic Dermatitis, acute respiratory problems Vehicle fuelsMechanicalDermatitis

56 Other hazardous substances in MVR Vehicle fuels – Petrol, Diesel, Biofuels Flammable – Safe draining, storage Dermatitis – Avoid contact – Wear gloves – Check skin

57 General Good standard of washing facilities

58 Key messages summary Skin conditions 1.Dermatitis is common in MVR 2.Materials can cause problems by irritation, drying out the skin or allergy 3.Used engine oils can cause cancer 4.Risk of skin problems can be reduced by Avoiding contact Protect with suitable gloves Check for early signs of disease

59 Information and references Topic Pack Isocyanate spraying – Inspection pack – Inspection checklist


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