Sometimes a 3-hour rated wall is the boundary between two separate buildings in 
the code sense. If that is the case then the pipe should not be a sprinkler 
system protecting one building that is crossing over to protect all or part of 
the other building.

Allan Seidel
St. Louis, MO


> On Feb 2, 2018, at 8:58 AM, Brian Harris <bhar...@bvssystemsinc.com> wrote:
> 
> Is there anything that precludes passing pipe thru a 3-hour rated wall? I 
> don’t see anything in 13 that says you can’t, we’d obviously fire calk the 
> holes.
>  
> Brian Harris, CET
> BVS Systems Inc.
> Design Manager
> bvssystemsinc.com <http://bvssystemsinc.com/>
> Phone: 704.896.9989
> Fax: 704.896.1935
>  
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