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Cables and reaction to fire

lyledunn
Why do you suppose that the MHCLG did not feel it necessary to mandate levels of performance for cables with respect to their reaction to fire as was their prerogative under CPR?

Clearly the current non-prescriptive approach is either working or there is no significant evidence that cables and wiring systems have unduly contributed to the propagation of a fire or resulted in emissions that made a situation untenable when it would not have otherwise been. 

Further, what does it actually mean in the note in 422.2.1 that cables need to satisfy the requirements of the CPR in terms of their reaction to fire? I can find nothing specific in the CPR other than the need for CE marking and the requirements placed on the manufacturers for technical information.
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    OMS:

    I've put people on disciplinary warnings before now for adopting a "cavalier approach" to drills or false alarms - and I'm deadly serious about it. I accept that most people don't like being told what to do, but need telling for their own good. If nothing else, it shows that people understand risk and demonstrates the correct behaviours in a safety culture. For me, a guy who can't react sensibly to a warning system, is probably not safe to be acting as a designer. 




    Ignoring an alarm wouldn't have gone down well in a military establishment where we had role calls so nobody could pretend not to have heard.


    One slight snag was the sound-proofed audiology enclosures which were so good that the alarms could not be heard. That simply required somebody else to go and open the door - no use knocking! ?


    To be honest I don't know what the routine is in classified areas - you wouldn't normally even leave your desk if highly sensitive materials were in use. But there will be a risk analysis somewhere.

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  • 0

    OMS:

    I've put people on disciplinary warnings before now for adopting a "cavalier approach" to drills or false alarms - and I'm deadly serious about it. I accept that most people don't like being told what to do, but need telling for their own good. If nothing else, it shows that people understand risk and demonstrates the correct behaviours in a safety culture. For me, a guy who can't react sensibly to a warning system, is probably not safe to be acting as a designer. 




    Ignoring an alarm wouldn't have gone down well in a military establishment where we had role calls so nobody could pretend not to have heard.


    One slight snag was the sound-proofed audiology enclosures which were so good that the alarms could not be heard. That simply required somebody else to go and open the door - no use knocking! ?


    To be honest I don't know what the routine is in classified areas - you wouldn't normally even leave your desk if highly sensitive materials were in use. But there will be a risk analysis somewhere.

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