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| Have you worn PPE above 40 cal/cm^2? https://brainfiller.com/arcflashforum/viewtopic.php?f=33&t=4317 |
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| Author: | Jim Phillips (brainfiller) [ Sun Feb 12, 2017 6:01 pm ] |
| Post subject: | Have you worn PPE above 40 cal/cm^2? |
PPE is available with Arc Ratings that exceed 100 cal/cm^2. This weeks question, Have you worn PPE with an arc rating above 40 cal/cm^2? Yes - Please tell us the rating No - I use 40 cal/cm^2 or less PPE not required for my job |
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| Author: | PaulEngr [ Mon Feb 13, 2017 8:00 am ] |
| Post subject: | Re: Have you worn PPE above 40 cal/cm^2? |
Does it count if I've got cotton underwear, followed by FR shirt and pants, followed by a 40 cal suit over the top of that? Our standard workwear is the typical ATPV 10 range and we haven't taken credit for or tested the combination of the 3 so technically I'm way higher but never treated it that way. |
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| Author: | bbaumer [ Mon Feb 13, 2017 8:09 am ] |
| Post subject: | Re: Have you worn PPE above 40 cal/cm^2? |
PaulEngr wrote: Does it count if I've got cotton underwear, followed by FR shirt and pants, followed by a 40 cal suit over the top of that? Our standard workwear is the typical ATPV 10 range and we haven't taken credit for or tested the combination of the 3 so technically I'm way higher but never treated it that way. Good points. I expect that is what most guys are wearing. Probably not wearing double balaclava's and face shields though. |
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| Author: | Voltrael [ Mon Feb 20, 2017 7:56 am ] |
| Post subject: | Re: Have you worn PPE above 40 cal/cm^2? |
I have not been in a situation where I personally needed to where clothing that exceeded 40 cal/cm2. At a prior location, the suit was rated for 46 cal and the actual equipment rating was around 42 cal, and I encouraged them to where that when necessary. |
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| Author: | vpower [ Wed Mar 01, 2017 6:59 am ] |
| Post subject: | Re: Have you worn PPE above 40 cal/cm^2? |
We have 65 and 100 calorie suits available at the station. I have been required to wear both. Current Engineering provided arc flash calculations list one breaker at 74, one at 52 and several between 42 and 46.5. Also our procedure directs a default to 100 calorie suits if addressing an energized situation that has not been previously evaluated and no Engineer is available to perform calculations. |
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