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Explanation Of NFPA 13 A.8.6.7.1

Question asked by hshengst on Jan 17, 2020
Latest reply on Jan 23, 2020 by hshengst

Can anyone offer a better explanation of this entry?

 

"NFPA13 A.8.6.7.1: Ceiling features in unobstructed construction that are protected by sprinklers in the lower ceiling elevation when the higher ceiling elevation is within 12 in. of the deflectors or greater for sprinklers with greater listed distances from the higher ceiling should not be considered unprotected ceiling pockets."

 

I understand the point of the entry, however the "or greater for sprinklers with greater listed distances from the higher ceiling" is a little vague.  Are they referring to extended coverage sprinklers?  Are they saying the 12" requirement can increase? Anyone with knowledge on the intent here would be appreciated.  

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