Non combustible cable supports in escape routes.

[dlt27]

Hi all, I have just read a report by BRE on the effects on cable supports caused from fire. It stated the obvious about the plastic clips, plastic conduit etc failing. However what I found interesting was that the metal supports failed due to the plastic rawl plugs failing. So I just wondered what is the point of using non combustible supports if the rawl plugs fail. ( in concrete that is). Does this mean we should be fixing saddles up with those concrete screws rather than plastic rawl plugs!

 

[Octopus]

Hum..... how long was the fire alight before the plastic rawl plugs failed - quite a while I suspect - or does the report say how long?

 

[dlt27]

The supports failed at around 550 degrees and according to Google a normal house fire burns at 600 degrees!

 

[telectrix]

if the fire has got to the level of melting rawlplugs, then it's too late for anyone in there to get out without being incinerated.

 

[tomspark93]

And at that temperature dangling wires will be the least of their problems

 

[telectrix]

and no use to me. i prefer my meat medium rare.

 

[dlt27]

Firemen could still be in there though!

 

[silver surfer]

Ive just read the same report.
Looking like plastic plugs are not considered suitable given there failure to withstand a recommended temp of 600 degrees.

 

[DPG]

So the next update of the regs will advise that rawl plugs are not to be used then presumably. Daz

 

[SS-2015]

Better dust off my Chemfix gun and start adding 30mins drying time to all my quotes