USB install with fire protected ducting

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SteveC

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#242886 19-Nov-2018 10:08

Can someone (perhaps @Chorusnz ) please point me to a concise document that includes advice on consideration of fire compliance for a small business UFB install? I'd have thought this would be a common scenario for apartments and small businesses, but haven't found any useful guide yet.

Steve

sbiddle

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#2129232 19-Nov-2018 10:27

What do you want to know? I wouldn't expect to see anything online as this is the sort of thing for the scoper and installer - not the end user.

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SteveC

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#2129239 19-Nov-2018 10:34

It is an complex issue, with numerous parties involved! Others will be talking with our RSP, who will talk to Chorus, who will talk with their contractor(s). I thought it might help if we had some general guidelines that could define a baseline from which to start discussion. I guess I was being naive!
Let the talking continue ...

Aredwood

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#2129347 19-Nov-2018 11:41

Why would a UFB install be any different from a copper install as far as fire safety is concerned?

If you are running a cable through a fire rated wall, it's not going to make any difference wether that cable is fibre or CAT6.

And the usual method that Chorus use, running conduit all over the sides of buildings. Is quite low risk from a fire safety point of view. As they are not making any holes between different interior fire cells.

SteveC

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#2129361 19-Nov-2018 11:53

Aredwood: Why would a UFB install be any different from a copper install as far as fire safety is concerned?

Totally agree. I should have asked for a concise document that includes advice on consideration of fire compliance for a small business retrospective cable install. :-)
Others are following this up, so no urgency. (It seems ATM to be our RSP's problem!)

sbiddle

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#2129371 19-Nov-2018 12:10

I'm still confused by what you're wanting.

The requirement to maintain fire protection is part of the scoping and install and this may mean that a 3rd party is required to complete this fire protection work if the installers are not certified on the type of fire sealant used. This is a basic part of pretty much every MDU install.

SteveC

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#2129546 19-Nov-2018 16:07

sbiddle:
I'm still confused by what you're wanting.

The requirement to maintain fire protection is part of the scoping and install and this may mean that a 3rd party is required to complete this fire protection work if the installers are not certified on the type of fire sealant used. This is a basic part of pretty much every MDU install.

That sounds like pretty much what I wanted to know thanks Steve. I've had some more details for a colleague closer to the site, and it appears the contractors who did the scoping visit thought they needed to drill through a firewall, when all that is required is to use existing ducting which the contractors didn't see at the time. Don't get me started on UFB provisioning contractors!
Thanks!
Other Steve

Tracer

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#2129701 19-Nov-2018 17:55

On a side note, we had a reasonably large fire at work a few weeks back. Some very critical fibre running through the area remains intact (links still up), although the sheath etc. is melted off the glass! The copper in the same ducts all failed because the cores shorted together.

mclean

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#2130062 20-Nov-2018 10:40

Auckland Council probably has the most clearly defined guidance on fire stopping. Look for Auckland Council Practice Note AC1825.

SteveC

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#2130069 20-Nov-2018 10:50

mclean:
Auckland Council probably has the most clearly defined guidance on fire stopping. Look for Auckland Council Practice Note AC1825.

Excellent document, updated in August this year. Thanks! :-)