Fire Integrity of Plastic Pipes

[ca...@outsorce.com]

Can anyone help in locating NFPA (or US) code requirements for maintaining
the fire integrity of plastic pipes (eg PVC drainage pipes) crossing fire
rated walls. Have all NFPA Standards on CD but can only find mention to air
conditioning & electrical services but not hydraulic services. We have a
hospital in Vietnam with NFPA fire protection services, but other
international codes apply for other services. For example the Building Code
of Australia requires fire collars on PVC pipe with some important
exceptions, in the bathroom risers. Which US code covers this area????
Regards, Carl

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[J. S. Nunes]

Probably both Standard Building code and Standard Mechanical Code

<ca...@outsorce.com> wrote in message news:9a6sq4$ejf$1...@news.netmar.com...

> Can anyone help in locating NFPA (or US) code requirements for maintaining
> the fire integrity of plastic pipes (eg PVC drainage pipes) crossing fire
> rated walls. Have all NFPA Standards on CD but can only find mention to
air
> conditioning & electrical services but not hydraulic services. We have a
> hospital in Vietnam with NFPA fire protection services, but other
> international codes apply for other services. For example the Building
Code
> of Australia requires fire collars on PVC pipe with some important
> exceptions, in the bathroom risers. Which US code covers this area????
> Regards, Carl
>
>
>
>
>
>
> ----- Posted via NewsOne.Net: Free (anonymous) Usenet News via the

[Tyrone Washington]

You won't find what you need in the NFPA standards.

Depends on the building code in the jurisdiction in which the building
is going up. In the states, for example, the code I am under requires
a one hour fire wall between tenant spaces and most UL Listed fire
caulks can easily meet this requirement one, for example, being
Central Sprinkler Corporation "Caulk and Walk".

Assume a wood stud wall with 5/8" drywall each side, we have our one
hour tenant separation wall. Reading the UL Listing, on the Caulk and
Walk, we see that we need to make a hole so that we have a clear space
no smaller than 1/4", and no larger than 3/8" (referred to as annular
space) around the pipe. At this point we simply caulk this space
filling all the voids in strict accordance with the listing of the
caulk. This provides a one hour rated fire separation between tenant
spaces.

In short, NFPA standards to not adress building code issues.

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