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Walls not extending all the way to deck, what kind of protection is needed?

Question asked by Cory Long on May 15, 2018
Latest reply on May 16, 2018 by Milton Werner

I have a situation where the walls for a small HVAC closet (100sqft) does not extend all the way to the deck. The rooms surrounding the HVAC closet has ceilings, the HVAC closet does not have a ceiling. How far outside the HVAC closet does the sprinkler protection need to extend? The space above the surrounding rooms with ceilings is non-combustible and have sprinkler protection below the ceiling. I am being told that the whole space above the ceilings need to be protected throughout the whole floor, because of the HVAC closet walls not extending to deck and not having a ceiling. Any help on this matter would be appreciated. Thanks

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