I'm designing the suppression system for a new 17 story building.  The 
building sits next an existing 4 story building.  The separation between 
the two is just two feet.  Our wall has a two rating and their wall also 
has a two hour rating.   However, their wall has an ERIS finish on it.  
The top of their wall will be sealed to our wall by an expansion joint.   
There are no unprotected openings between the walls.  The owner of the 
other building is now asking if fire suppression is needed.  Does this 
void space need sprinklers?   Is this a combustible concealed space?  
 
I appreciate any thoughts on this situation.
 


John Kaminski
Burt Hill
724-431-1388
http://www.burthill.com
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