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#1 Posted : 17 April 2008 12:51:00(UTC)
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Posted By David Matthew
I'm aware that it is becoming easier to obtain real time vibration information however I had been told previously that the HSE would accept using manufacturers test data provided that a multiplier was used due to the way test data is obtained. I've heard 2 figures, one to double the manufacturers test figure the other to multiply it by 1.5.

Does anyone know what the current accepted multiplier is?

Regards,
David
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#2 Posted : 17 April 2008 13:04:00(UTC)
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Posted By Ron Hunter
x2 was the figure quoted by HSE, and I'm sure it's in their guidance somewhere.
I would add the caveat that this approach can only be considered as an interim (short-medium term) pending first-hand commissioning or researching of real time data already conducted by others from reputable/trustworthy source.
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#3 Posted : 17 April 2008 21:04:00(UTC)
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Posted By busbybelle
INDG175 (available through the HSE website) says that it may be safer to double the manufacturer's data if that's all you have avilable.
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#4 Posted : 17 April 2008 21:37:00(UTC)
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Posted By jasonT
Our firm was issued with an Vibration Improvement Notice last year.

We added 20% to the manufacturers ratings and adopted the Traffic Light System.

The Hse were more than happy with this, please also ensure staff have regular medicals in place, since the notice 7 people have been diagnosed with Hav's

Jason
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#5 Posted : 18 April 2008 14:40:00(UTC)
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Posted By Dave Wilson
There is a vibration calculator which works all this out for you on the HSE website

http://www.hse.gov.uk/vi...on/hav/vibrationcalc.htm
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#6 Posted : 19 April 2008 04:51:00(UTC)
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Posted By SCN
x2 did come from a HSE circular as they reckon and quite rightly so that the data stated was from ropey sources such as medium breakers being tested in buckets of ball bearings !

However a long chat with our local HSE man and a representative of a hire company that rhymed with Impeedy or Seedy (you know who I am on about) sorted the position. They were getting their kit tested by some boffins at Loughborough for accurate readings. The HSE chap was more than happy to accept the Seedy data as acceptable and no multiplier needed. This was 16 or so months ago and it was in the NW of England so cant comment on rest of country but may be worth a sit down chat with them
Of course if you buy your kit or use a different supplier then safer to go with x2
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#7 Posted : 19 April 2008 08:11:00(UTC)
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Posted By steven bentham
David

I think as long as you fully recognise the low value of manufacturers data and put in protection measures and you are not having major problems, a regulator should be happy.

I have attended the IOSH course on this, and its well worth it; the company that runs the course has a large amount of real time measurements that you can subscribe to. If vibration is a serious problem to you I would recommend the course and course providor without any hesitation.

Steve
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