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Maximum floor area protected per riser. NFPA 13

Question asked by Rogelio Aguilar on Mar 7, 2017
Latest reply on Nov 15, 2017 by Nguyen Nhat

Dear colleagues,


I have a question for maximum area protected by risers limited by NFPA 13 for Ordinary Hazard 52 000 sq.ft (4 831 sq.m). Currently I have a building with 3 floors in height, each floor have an a floor area of 4800 sq.m. Do I need to consider 3 different risers?. One per floor?.

 

Thanks a lot.

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