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Posted By CVJM
hello
has anybody had a survey done of the 'slippiness' of their floors. If so - who did you use and what form did the report take?
Has anyone done any pedulum testing?
thanks
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Posted By DP CVJM - There are plenty of providers out there who will undertake Coefficient of Friction Testing on your behalf. I have a good relation ship with an Local Council and I borrow their kit when I need do some. They don’t use the pendulum they have new device called 'Kenny' because the measuring tool resembles Kenny from South park!! It takes different readings over the surface area and then you feed the reading into a laptop and your get your results. I don't think its that expensive to buy either. Info in this link http://www.slough.gov.uk/documents/slip-trips.pdf Hope this helps.
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Posted By CVJM
Hello DP
thanks for the response - the leaflet is interesting.
unfortuanely google'ing CoF testsing or survey is bring up nothing... but I will continue to search
we could buy a kenny (LOL) but i think I'd like to get a professional survey done first (cost dependant)
thanks again
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Posted By SteveD-M
CVJM
I have used the HSE SAT once and the have the required meter.
It was fairly straight forward and gave some good information, however that was part of a claims case and would question the practicality of the continued used in the workplace.
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Posted By Rachael Palmer Have you tried contacting the Health and Safety Laboratory at Buxton. www.hsl.gov.ukIt's an agency of the Health & Safety Exec but I believe they carry out work for businesses too.
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Posted By CVJM
thank you, i will
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Posted By safetyamateur
CVJM, suggest you make sure you're getting things pitched at the right level.
The pendulum test is the Rolls-Royce job. Sophisticated kit and a little tricky to set-up. If you're defending a claim or prosecution, this is what you need.
The Surtronic Duo (the aforementioned 'Kenny' - no way!) is perfectly good to measure slip resistance in most situations. You take ten readings, transfer them into the HSE's Slip Assessment Tool and you get an overall reading based on those figures and information around use, cleaning, material etc. However, all this does is measure resistance in the floor surface. It doesn't replicate a shoeheel in motion.
There's a middleground in the SlipAlert. This is a little truck that you send down a ramp at various angles to hit the floor and skid. The truck has a meter readout which you can the juggle with.
Don't forget the safety data from floor manufacturers if it's a preparatory surface. Not gospel as use changes properties but a good starting point.
The HSE Lab people have been very helpful to me in the past too. You can email or call and they'll do their best.
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Posted By CVJM
great - thanks for the advice - I will look into safety alert too
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Posted By Karen Todd
Have e-mailed you direct. It's worth getting a copy of the UK Slip Resistance Group guidelines (£30 I think and a bargain for all the info it contains), and taking a look at BS 7976.
UKSRG guidelines explain very well why you shouldn't solely rely on a surface microroughness meter alone (because 2 very different floor surfaces can give the same Rz value).
Pendulum costs about £5k, comes in a huge box, weighs a tonne and can be tricky to use - pay the experts! The surface microroughness meter fits in your pocket and costs about £800, but you need to understand it's limitations as above.
KT
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Posted By john@iley.fsnet.co.ukHi CVJM - Interestingly my project for the NTU Diploma in OSHE was on this subject. I evaluated a commercially available roughness meter i.e. Surtonic Duo on floors in my workplace (food industry). Its easy to use and measures the average surface roughness of potentially slippery surfaces. The concept behind the methodology is that rougher surfaces are more slip resistant. Rough surfaces on the micro scale consist of peaks and troughs and if the peaks can penetrate the squeeze film between the contacting shoe and the contaminant, grip is enhanced. By taking several measurements and putting the data into the HSE's Slip Assessment model for the respective contaminant the appropriate sip risk can be determined. Subsequently I used the same meter to provide information required concerning a civil claim in my workplace. There must be a correlation between the coefficient of friction generated using other slipperiness measurement methods e.g. sled tests and ramp tests and surface roughness, although I've not seen anything published so far. So if you decide to use the Surtronic Duo, I would recommend its use for the for the quantitative assessment of slippery surfaces in conjunction with the HSE's Slip Assessment Tool. But bear in mind it has limitations. If you need any more advice on this methodology please let me know.
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Posted By Peter F
Try the HSE website
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