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RE: Fire Wall

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I don't know which code you would have to satisfy, but the only "fire wall"
that must remain standing in the Standard Building Code is a 4 hour wall,
the old Party Wall. A party wall is, essentially, a common wall separating
two separate buildings.

A 2 hour rated wall is not the same as a "4 Hour Wall" in respect to having
to remain in place in the event one of the buildings collapses. In fact, in
the SBCCI, 4 hour rated wall construction is not the same as a "4 Hour

I suggest you verify the need to have your wall stay in place if the
building collapses.


> -----Original Message-----
> From:	Bouffard, Tom [SMTP:TBouffard(--nospam--at)]
> Sent:	Thursday, November 19, 1998 10:46 AM
> To:	Seaint (E-mail)
> Subject:	Fire Wall
> I have a job (low seismic risk, Av=0.05) that requires a 4 story, 2 hour
> rated fire wall between a new 7 story addition and the existing 4 story
> building.  Both the buildings are 2 hour rated concrete framed buildings.
> We plan on using a masonry fire wall and would like to brace it to the new
> construction.  Does anyone know of any type of attachment that would be
> appropriate for these connections.  Based on the fire wall principle that
> either building should be able to collapse without the fire wall loosing
> it's ability to perform.
> Tom Bouffard