I am working on a group home which is being designed as NFPA 13R (2010). The owner is requiring instutional sprinklers in the bedrooms only. I cannot find any institutional residential sprinklers, so we are going to have to use commercial QR instutional sprinklers. Section 6.2.1.3.1 states that when using QR sprinklers, the density/area shall be a minimum of 0.10 gpm/sqft over the entire dwelling unit. In this situation, based on the NFPA 13R definition of dwelling unit, we would need to calculate 0.10 gpm/sqft over the entire 2 story house. That doens't make sense. Am I missing something? Todd G Williams, PE Fire Protection Design/Consulting Stonington, CT 860-535-2080 (tel:860-535-2080) (ofc) 860-553-3553 (tel:860-553-3553) (fax) 860-608-4559 (tel:860-608-4559) (cell)
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