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Posted By Billy joe
Hello all, am i right in beleiving that,
we have a breaker to use, the havs rating say use 30 min per day, am i right in thinking that we could use it for 90min (obviously with adequate rest) a day, but then the breaker cannot be used for another 2 days after.
regards
bj
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Rank: Guest
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Posted By EE
NO - don't think you can do / recommend this on a regluar basis!!
The daily exposure rating is the maximum for any 24 hour period
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Rank: Guest
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Posted By Descarte Yes I believe exposure can be averaged over 1 week as long as total exposure does not exceed an max of 11m2/s per day . Though to suggest a exposure limit of 30 minutes per day (assuming this is reaching the exposure limit value not the action level) would mean an exposure of 20m2/s for this tool using the HSE's spread sheet. Therefore 20m2/s for 3x30 mins would be a total exposure of 8.7m/s2 using the HSE calculation http://www.hse.gov.uk/vibration/hav/hav.xls
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Rank: Guest
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Posted By Descarte
hmmm, going to check again in regs again.
ACOP Reg 6(5) para 67~: "The weekly averaging scheme would permit a maximum exposure on one day of 11m2/s when exposure on the remaining days of the week are zero.
But...
Where weekly averaging is used you should increase health surveilance, should be a regular occurance i.e. for emergency or I would say one off work. So not something you can do every week.
Try looking at other options such as job rotation or spreading work out over days etc...
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Rank: Guest
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Posted By Descarte
should be ^^^ obviously should be (ha) should not be, dam that sounds confusing->
Where weekly averaging is used you should increase health surveilance, should NOT be a regular occurance i.e. for emergency or I would say one off work. So not something you can do every week.
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