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Pedestrian Safety Get a Grip Dr. Paul Lemon PhD BScHons CPhys CSci MInstP Health Safety Laboratory Health S

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Pedestrian Safety Get a Grip Dr. Paul Lemon PhD BScHons CPhys CSci MInstP Health Safety Laboratory Health S

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    1. Pedestrian Safety? Get a Grip! Dr. Paul Lemon PhD BSc(Hons) CPhys CSci MInstP Health & Safety Laboratory Health & Safety Executive

    5. Human Costs Alison Hockaday Two slip accidents Thirty one operations 600,000 compensation

    7. Reportable Slip Accidents (to HSE) Over-3-Day 24% - 29,000 / annum Non Fatal (Major) 37% - 10,000 / annum Fatal Falls? Complications? The largest cause of reported accidents 1 significant slip accident every 3 minutes

    8. Falls from Height Workplace Transport Musculoskeletal Disorders Stress Agriculture Construction Health Services Slip and Trips

    9. Legislation Construction Design Management (CDM) Regs Health and Safety at Work Act Management of Health and Safety Regulations Building Regulations

    10. Legislation Workplace Health Safety and Welfare Regs, 1992 Regulation 12(2)(a): The floor, or surface of the traffic route, shall have no hole or slope, or be uneven or slippery so as, in each case, to expose any person to a risk to his health or safety.

    11. Legislation Approved codes of practice: The surface of floors or traffic routes should be free from any hole, slope or uneven or slippery surface which is likely to: Cause a person to trip or fall Cause a person to drop or loose control of anything being lifted or carried

    12. HSE Guidance

    13. HSE Guidance HS(G)156 The requirements for the construction of a floor are phrased in absolute terms. Therefore a floor must not be constructed which is slippery. This is a high standard of legal duty and it is not limited to doing only that which is reasonably practicable.

    15. Safer Surfaces to Walk On Document published by CIRIA Funded by HSE Summary of HSE slips research (HSL) Aimed at non-specialists for specification / maintenance / management of floors Aims to encourage a holistic approach to the management of slips

    16. Document Contains Introduction to slipperiness assessment Selection and management of floors Contamination and cleaning Footwear Environment Human Factors Test methods for assessing floors

    17. Slips Assessment Methods then Shoe shuffle? Subjective assessment? Reflectivity?

    18. Slips Assessment Methods now Surface microroughness analysis Coefficient of Dynamic Friction Laypersons tools Pedestrian Slipping Expert System (PSES) Slips Assessment Tool (SAT) Slips & Trips E-guidance Package (STEP)

    20. Surface Microroughness Analysis Large range of instruments Large range of parameters Rz not Ra A video was shown of meters being used to measure the microroughness of surfaces.

    22. CoF Test Methods Sled Tests Sled type CoF tests Not accepted by HSE, BSI or UKSRG Designed around classical physics Do not reproduce relevant fluid dynamics Misleading in wet conditions

    23. CoF Test Methods Pendulums Pendulum type CoF tests Imitate heel impact Produce correct fluid dynamics Realistic CoF measurements in wet and dry conditions HSE/HSL preferred method of test Arguments fed into BSI and UKSRG

    24. CoF Test Methods Pendulums Dry and wet testing Smooth stainless steel floor Four-S test slider material

    25. CoF Test Methods Pendulums Dry, dry contaminated, wet Wet heel simulation Smooth, vitrified ceramic floor Four-S test slider material

    26. Ramp Test Methods

    27. Ramp Test Methods German Standard tests methods DIN 51097 (barefoot with soap solution) DIN 51130 (EN345 boots with motor oil) BSI Standard test method BS 8445 (barefoot with bath-mats) HSL Standard test method Standardised footwear (Four-S soled) Potable water HSL Bespoke test method Any flooring surface (open grids, durbar..) Any footwear (existing, planned, experimental..) Any contaminant (sea water, drilling mud..)

    28. New Developments SlipAlert New design, American origins Designed by Chairman of BSI B/556 also Chairman of CEN TC/339 also Secretary of UK Slip Resistance Group

    29. New Developments CEN TC/161 Test Method The SATRA Test Footwear specific

    30. The SlipSTD Programme EC funded Euro/m 2.5 Design and specification of standard floor surfaces Test method synergy finally Strict deadlines Approach based on

    32. Pedestrian Safety Get a Grip! Dr. Paul Lemon PhD BSc(Hons) CPhys CSci MInstP Senior Scientist Pedestrian Safety Section Health & Safety Laboratory Harpur Hill, Buxton, Derbyshire, SK17 9JN Direct Tel: 01298 218345 e-mail: paul.lemon@hsl.gov.uk HSE Internet: www.hse.gov.uk/slips/index.htm HSL Internet: www.hsl.gov.uk/capabilities/pedestrian.htm CIRIA Document: www.hse.gov.uk/slips/safersurface.htm Slips Assessment Tool: www.hsesat.info

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